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authorJinkun Jang <jinkun.jang@samsung.com>2013-03-13 01:49:53 +0900
committerJinkun Jang <jinkun.jang@samsung.com>2013-03-13 01:49:53 +0900
commitb8ccdef0306cf19cde9511ec244fd43b4ae1d863 (patch)
treeedfb6fbb5a168525e60cbcf918d84217bd667586 /src/codec/IfegDecodeAGIF.c
parent06e2dff413544d0e1465e0cb4897fe32e4de2c22 (diff)
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Tizen 2.1 base
Diffstat (limited to 'src/codec/IfegDecodeAGIF.c')
-rw-r--r--src/codec/IfegDecodeAGIF.c4169
1 files changed, 4169 insertions, 0 deletions
diff --git a/src/codec/IfegDecodeAGIF.c b/src/codec/IfegDecodeAGIF.c
new file mode 100644
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--- /dev/null
+++ b/src/codec/IfegDecodeAGIF.c
@@ -0,0 +1,4169 @@
+/*
+ * libmedia-thumbnail
+ *
+ * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Contact: Hyunjun Ko <zzoon.ko@samsung.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "media-thumb-debug.h"
+#include "img-codec-common.h"
+#include "IfegDecodeAGIF.h"
+
+
+
+#define MAX_CODES 4096
+
+int __FastImgGetNextFrameAGIF_NoBuffer (AGifFrameInfo *pFrameData, BOOL bCenterAlign);
+int __FastImgGetNextFrameAGIF_UseBuffer (AGifFrameInfo *pFrameData, BOOL bCenterAlign);
+
+int image_left_pos_N = 0; /* left position of image in Logical screeen */
+int image_top_pos_N = 0;
+
+AGifFrameInfo *FastImgCreateAGIFFrameData(unsigned int width, unsigned int height, unsigned char *pEncodedData, unsigned int file_size, unsigned int ui_backcolor, BOOL bLoop)
+{
+ int header_temp;
+ int backcolor_index;
+ unsigned int image_backcolor;
+ unsigned int backcolor_parsing;
+ unsigned int transcolor_565 = 0;
+ int transparent = 0;
+ int transIndex = 0;
+ int local_color_table_flag;
+
+ int inputPos = 0;
+ int inputPos_temp = 0;
+
+ AGifFrameInfo *pFrameData;
+ if (0 == (pFrameData = IfegMemAlloc(sizeof(AGifFrameInfo)))) {
+ return 0;
+ }
+
+ IfegMemset(pFrameData, 0, sizeof(AGifFrameInfo));
+
+ inputPos += 13;
+
+ pFrameData->logi_wdt = pEncodedData[6] | (pEncodedData[7]<<8);
+ pFrameData->logi_hgt = pEncodedData[8] | (pEncodedData[9]<<8);
+#ifdef INTERNAL_IMGCODEC
+ thumb_dbg("logi_wdt:%d, logi_hgt:%d\n", pFrameData->logi_wdt, pFrameData->logi_hgt);
+#else
+ thumb_dbg("logi_wdt:%d, logi_hgt:%d\n", pFrameData->logi_wdt, pFrameData->logi_hgt);
+ if ((pFrameData->logi_wdt > MAXWIDTH) || (pFrameData->logi_hgt > MAXHEIGHT)) {
+ if (pFrameData) {
+ IfegMemFree(pFrameData);
+ pFrameData = 0;
+ }
+ return 0;
+ }
+#endif
+
+ /* save nReapeatCount assigned by content */
+
+ if ((pEncodedData[10]&0x80) == 0x80) {
+ header_temp = 3 * (1<<((pEncodedData[10] & 0x07) + 1));
+ } else {
+ header_temp = 0;
+ }
+
+ if (file_size > 30+header_temp && pEncodedData[14+header_temp] == 0xFF) {
+ pFrameData->nLoopCount = pEncodedData[30+header_temp]<<8 | pEncodedData[29+header_temp];
+ } else if (file_size > 30+8+header_temp && pEncodedData[14+8+header_temp] == 0xFF) {
+ pFrameData->nLoopCount = pEncodedData[30+8+header_temp]<<8 | pEncodedData[29+8+header_temp];
+ } else {
+ pFrameData->nLoopCount = -1;
+ }
+
+ pFrameData->nRepeatCount = 0;
+
+ thumb_dbg("10st data : 0x%x , global color table num : %d\n", pEncodedData[10], header_temp);
+ thumb_dbg("13: 0x%x ,14: 0x%x, 15: 0x%x, nRepeatCount : %d, nLoopCount : %d\n", pEncodedData[13+header_temp], pEncodedData[14+header_temp], pEncodedData[15+header_temp], pFrameData->nRepeatCount, pFrameData->nLoopCount);
+
+ backcolor_index = pEncodedData[11];
+
+ if (pEncodedData[14+header_temp] == 0xF9) {
+ inputPos_temp = 14+header_temp+17;
+ transparent = pEncodedData[16+header_temp] & 0x01;
+ transIndex = pEncodedData[19+header_temp];
+ local_color_table_flag = pEncodedData[30+header_temp] & 0x80;
+
+ if (local_color_table_flag == 0x80) {
+ transcolor_565 = ((pEncodedData[inputPos_temp+transIndex*3]>>3)<<11)|((pEncodedData[inputPos_temp+transIndex*3+1]>>2)<<5)|(pEncodedData[inputPos_temp+transIndex*3+2]>>3);
+ } else {
+ transcolor_565 = ((pEncodedData[13+transIndex*3]>>3)<<11)|((pEncodedData[13+transIndex*3+1]>>2)<<5)|(pEncodedData[13+transIndex*3+2]>>3);
+ }
+
+ backcolor_parsing = (unsigned short)((pEncodedData[inputPos+backcolor_index*3] >> 3)<<11) | ((pEncodedData[inputPos+backcolor_index*3+1] >> 2)<<5) | (pEncodedData[inputPos+backcolor_index*3+2] >> 3);
+ } else if (pEncodedData[14+19+header_temp] == 0xF9) {
+ inputPos_temp = 14+19+header_temp+17;
+ transparent = pEncodedData[35+header_temp] & 0x01;
+ transIndex = pEncodedData[38+header_temp];
+ local_color_table_flag = pEncodedData[49+header_temp] & 0x80;
+
+ if (local_color_table_flag == 0x80) {
+ transcolor_565 = ((pEncodedData[inputPos_temp+transIndex*3]>>3)<<11)|((pEncodedData[inputPos_temp+transIndex*3+1]>>2)<<5)|(pEncodedData[inputPos_temp+transIndex*3+2]>>3);
+ } else {
+ transcolor_565 = ((pEncodedData[13+transIndex*3]>>3)<<11)|((pEncodedData[13+transIndex*3+1]>>2)<<5)|(pEncodedData[13+transIndex*3+2]>>3);
+ }
+
+ backcolor_parsing = (unsigned short)((pEncodedData[inputPos+backcolor_index*3] >> 3)<<11) | ((pEncodedData[inputPos+backcolor_index*3+1] >> 2)<<5) | (pEncodedData[inputPos+backcolor_index*3+2] >> 3);
+ } else if ((pEncodedData[10]&0x80) != 0x80) { /* global color table */
+ backcolor_parsing = ui_backcolor;
+ } else {
+ backcolor_parsing = (unsigned short)((pEncodedData[inputPos+backcolor_index*3] >> 3)<<11) | ((pEncodedData[inputPos+backcolor_index*3+1] >> 2)<<5) | (pEncodedData[inputPos+backcolor_index*3+2] >> 3);
+ }
+
+ /* graphic extension block */
+ if (pEncodedData[14+header_temp] == 0xF9 || pEncodedData[14+19+header_temp] == 0xF9) {
+
+ if (transparent == 1 && backcolor_index == transIndex) {
+ image_backcolor = ui_backcolor;
+ } else if (transparent == 1 && backcolor_index != transIndex) {
+ image_backcolor = backcolor_parsing;
+ } else {
+ image_backcolor = backcolor_parsing;
+ }
+ } else {
+ image_backcolor = backcolor_parsing;
+ }
+
+#if MODE == 0
+ if (0 == (pFrameData->pPrevImg = IfegMemAlloc(sizeof(unsigned char)*width*height*2))) {
+ if (pFrameData) {
+ IfegMemFree(pFrameData);
+ pFrameData = 0;
+ }
+ return 0;
+ }
+ pFrameData->useBuffer = 0;
+#endif
+
+#if MODE == 1
+ if (0 == (pFrameData->pPrevImg = IfegMemAlloc(sizeof(unsigned int)*pFrameData->logi_wdt*pFrameData->logi_hgt))) {
+ if (pFrameData) {
+ IfegMemFree(pFrameData);
+ pFrameData = 0;
+ }
+ return 0;
+ }
+ pFrameData->useBuffer = 1;
+#endif
+
+
+#if MODE == 2
+ if (((pFrameData->logi_wdt <= width) && (pFrameData->logi_hgt <= height))) {
+ if (0 == (pFrameData->pPrevImg = IfegMemAlloc(sizeof(unsigned char)*width*height*2))) {
+ if (pFrameData) {
+ IfegMemFree(pFrameData);
+ pFrameData = 0;
+ }
+ return 0;
+ }
+ pFrameData->useBuffer = 0;
+ } else {
+ if (0 == (pFrameData->pPrevImg = IfegMemAlloc(sizeof(unsigned int)*pFrameData->logi_wdt*pFrameData->logi_hgt))) {
+ if (pFrameData) {
+ IfegMemFree(pFrameData);
+ pFrameData = 0;
+ }
+ return 0;
+ }
+ pFrameData->useBuffer = 1;
+ }
+#endif
+
+ if (0 == (pFrameData->pOutBits = IfegMemAlloc(sizeof(unsigned char)*width*height*2))) {
+ if (pFrameData->pPrevImg) {
+ IfegMemFree(pFrameData->pPrevImg);
+ pFrameData->pPrevImg = 0;
+ }
+ if (pFrameData) {
+ IfegMemFree(pFrameData);
+ pFrameData = 0;
+ }
+ return 0;
+ }
+
+ pFrameData->inputSize = file_size;
+ pFrameData->pEncodedData = pEncodedData;
+
+ if (0 == (pFrameData->pGlobal_table = IfegMemAlloc(sizeof(unsigned int)*256))) {
+ if (pFrameData->pPrevImg) {
+ IfegMemFree(pFrameData->pPrevImg);
+ pFrameData->pPrevImg = 0;
+ }
+
+ if (pFrameData->pOutBits) {
+ IfegMemFree(pFrameData->pOutBits);
+ pFrameData->pOutBits = 0;
+ }
+
+ if (pFrameData) {
+ IfegMemFree(pFrameData);
+ pFrameData = 0;
+ }
+ return 0;
+ }
+
+ if (0 == (pFrameData->pPrefix = IfegMemAlloc(sizeof(unsigned short)*4097))) {
+ if (pFrameData->pPrevImg) {
+ IfegMemFree(pFrameData->pPrevImg);
+ pFrameData->pPrevImg = 0;
+ }
+ if (pFrameData->pOutBits) {
+ IfegMemFree(pFrameData->pOutBits);
+ pFrameData->pOutBits = 0;
+ }
+ if (pFrameData->pGlobal_table) {
+ IfegMemFree(pFrameData->pGlobal_table);
+ pFrameData->pGlobal_table = 0;
+ }
+ if (pFrameData) {
+ IfegMemFree(pFrameData);
+ pFrameData = 0;
+ }
+ return 0;
+ }
+
+ if (0 == (pFrameData->pDstack = IfegMemAlloc(sizeof(unsigned char)*4097))) {
+ if (pFrameData->pPrevImg) {
+ IfegMemFree(pFrameData->pPrevImg);
+ pFrameData->pPrevImg = 0;
+ }
+ if (pFrameData->pOutBits) {
+ IfegMemFree(pFrameData->pOutBits);
+ pFrameData->pOutBits = 0;
+ }
+ if (pFrameData->pGlobal_table) {
+ IfegMemFree(pFrameData->pGlobal_table);
+ pFrameData->pGlobal_table = 0;
+ }
+ if (pFrameData->pPrefix) {
+ IfegMemFree(pFrameData->pPrefix);
+ pFrameData->pPrefix = 0;
+ }
+ if (pFrameData) {
+ IfegMemFree(pFrameData);
+ pFrameData = 0;
+ }
+ return 0;
+ }
+
+ if (0 == (pFrameData->pSuffix = IfegMemAlloc(sizeof(unsigned char)*4097))) {
+ if (pFrameData->pPrevImg) {
+ IfegMemFree(pFrameData->pPrevImg);
+ pFrameData->pPrevImg = 0;
+ }
+ if (pFrameData->pOutBits) {
+ IfegMemFree(pFrameData->pOutBits);
+ pFrameData->pOutBits = 0;
+ }
+ if (pFrameData->pGlobal_table) {
+ IfegMemFree(pFrameData->pGlobal_table);
+ pFrameData->pGlobal_table = 0;
+ }
+ if (pFrameData->pPrefix) {
+ IfegMemFree(pFrameData->pPrefix);
+ pFrameData->pPrefix = 0;
+ }
+ if (pFrameData->pDstack) {
+ IfegMemFree(pFrameData->pDstack);
+ pFrameData->pDstack = 0;
+ }
+ if (pFrameData) {
+ IfegMemFree(pFrameData);
+ pFrameData = 0;
+ }
+ return 0;
+ }
+
+ pFrameData->width = width;
+ pFrameData->height = height;
+ pFrameData->imgCount = -1;
+ pFrameData->offset = 0;
+ pFrameData->backcolor = image_backcolor;
+ pFrameData->ui_backcolor = ui_backcolor;
+ pFrameData->delay = 10;
+ pFrameData->bLoop = bLoop;
+ return pFrameData;
+}
+
+void FastImgDestroyAGIFFrameData(AGifFrameInfo *pFrameData)
+{
+ if (pFrameData == NULL) {
+ return;
+ }
+
+ if (pFrameData->pPrevImg) {
+ IfegMemFree(pFrameData->pPrevImg);
+ pFrameData->pPrevImg = 0;
+ }
+
+ if (pFrameData->pEncodedData) {
+ IfegMemFree(pFrameData->pEncodedData);
+ pFrameData->pEncodedData = 0;
+ }
+ if (pFrameData->pOutBits) {
+ IfegMemFree(pFrameData->pOutBits);
+ pFrameData->pOutBits = 0;
+ }
+
+ if (pFrameData->pGlobal_table) {
+ IfegMemFree(pFrameData->pGlobal_table);
+ pFrameData->pGlobal_table = 0;
+ }
+
+ if (pFrameData->pPrefix) {
+ IfegMemFree(pFrameData->pPrefix);
+ pFrameData->pPrefix = 0;
+ }
+
+ if (pFrameData->pDstack) {
+ IfegMemFree(pFrameData->pDstack);
+ pFrameData->pDstack = 0;
+ }
+
+ if (pFrameData->pSuffix) {
+ IfegMemFree(pFrameData->pSuffix);
+ pFrameData->pSuffix = 0;
+ }
+
+ if (pFrameData) {
+ IfegMemFree(pFrameData);
+ pFrameData = 0;
+ }
+}
+
+/* macro */
+#define __get_next_code_first_nbits_left_0(pInputStream) \
+{\
+ {\
+ if (navail_bytes == 0) {\
+ navail_bytes = (pInputStream)[inputPos++];\
+ if ((inputPos + navail_bytes) > filesize) {\
+ if (decoderline) {\
+ IfegMemFree(decoderline);\
+ decoderline = 0;\
+ } \
+ if (pDecBuf) {\
+ IfegMemFree(pDecBuf);\
+ pDecBuf = 0;\
+ } \
+ return -1;\
+ } \
+ } \
+ b1 = (pInputStream)[inputPos++];\
+ ret = b1;\
+ nbits_left = 8;\
+ --navail_bytes;\
+ } \
+}
+
+#define __get_next_code_first_nbits_left_not_0(pInputStream) \
+{\
+ {\
+ ret = b1 >> (8 - nbits_left); \
+ } \
+}
+
+#define __get_next_code_first_while(pInputStream) \
+{\
+ while (curr_size > nbits_left) {\
+ if (navail_bytes == 0) {\
+ navail_bytes = (pInputStream)[inputPos++];\
+ if ((inputPos + navail_bytes) > filesize) {\
+ if (decoderline) {\
+ IfegMemFree(decoderline);\
+ decoderline = 0;\
+ } \
+ if (pDecBuf) {\
+ IfegMemFree(pDecBuf);\
+ pDecBuf = 0;\
+ } \
+ return -1;\
+ } \
+ } \
+ b1 = (pInputStream)[inputPos++];\
+ ret |= b1 << nbits_left;\
+ nbits_left += 8;\
+ --navail_bytes;\
+ } \
+ nbits_left -= curr_size;\
+ ret &= (1<<curr_size)-1;\
+ c = ret;\
+}
+
+#define __get_next_code_second_nbits_left_0(pInputStream) \
+{\
+ {\
+ b1 = (pInputStream)[inputPos++];\
+ ret = b1;\
+ nbits_left = 8;\
+ --navail_bytes;\
+ } \
+}
+
+#define __get_next_code_second_nbits_left_not_0(pInputStream) \
+{\
+ {\
+ ret = b1 >> (8 - nbits_left);\
+ } \
+}
+
+#define __get_next_code_second_while(pInputStream) \
+{\
+ while (curr_size > nbits_left) {\
+ b1 = (pInputStream)[inputPos++];\
+ ret |= b1 << nbits_left;\
+ nbits_left += 8;\
+ --navail_bytes;\
+ } \
+ nbits_left -= curr_size;\
+ ret &= (1 << curr_size)-1;\
+ c = ret;\
+}
+
+int FastImgGetNextFrameAGIF(AGifFrameInfo *pFrameData, BOOL bCenterAlign)
+{
+ if (pFrameData->useBuffer) {
+ return __FastImgGetNextFrameAGIF_UseBuffer(pFrameData, bCenterAlign);
+ } else {
+ return __FastImgGetNextFrameAGIF_NoBuffer(pFrameData, bCenterAlign);
+ }
+}
+
+int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAlign)
+{
+ unsigned int *pImage32, *pImage32_2;
+ unsigned short *pImage16;
+ unsigned char *sp;
+ unsigned char *bufptr;
+ unsigned int code, fc, oc, bufcnt;
+ unsigned char buffer[16];
+ unsigned char val1;
+ unsigned char *buf;
+ unsigned int *pDacbox;
+ unsigned char *decoderline = 0;
+ unsigned int size;
+
+ unsigned int c = 0;
+ unsigned int clear;
+ unsigned int ending;
+ unsigned int newcodes;
+ unsigned int top_slot;
+ unsigned int slot;
+
+ int numcolors;
+ int i, j, k;
+ int rowcount;
+ int orgwdt_1, orgwdt, orghgt;
+ int decwdt, dechgt;
+ int len;
+ int inter_step, interLaced;
+ int transparent = 0;
+ int startloc = 0;
+ int transIndex = 0;
+ int spCount = 0;
+ int logi_wdt; /* logical screen width */
+ int logi_hgt;
+ int logi_image_size;
+ int image_backcolor;
+ int ui_backcolor;
+ int backcolor;
+ int image_left_pos; /* left position of image in Logical screeen */
+ int image_top_pos;
+ int disposal_method = 0;
+ int margin_wdt1_2, margin_hgt1_2;
+ int inputPos;
+
+ unsigned int dacbox[256];
+
+ /* Variable for Resize */
+ unsigned int a_x, a_y;
+ unsigned int b_x, b_y;
+ unsigned int c_x, c_y;
+ unsigned int d_x, d_y;
+ int out_x = 0, out_y = 0;
+ int d1, d2;
+ int flag = 0;
+ unsigned int end;
+
+ int count = 0;
+
+ unsigned char *pDecBuf = 0;
+
+ int expected_width = pFrameData->width;
+ int expected_height = pFrameData->height;
+ int resized_width;
+ int resized_height;
+
+ /* macro */
+ register unsigned int curr_size;
+ register int navail_bytes = 0;
+ register unsigned int nbits_left = 0;
+ register unsigned int b1 = 0;
+ register unsigned int ret;
+
+ /* parameter */
+ int filesize = pFrameData->inputSize;
+ unsigned int *global_dacbox = pFrameData->pGlobal_table;
+ register unsigned char *pInputStream = pFrameData->pEncodedData;
+ void *pOutBits = pFrameData->pOutBits;
+ unsigned short *prefix = pFrameData->pPrefix;
+ unsigned char *dstack = pFrameData->pDstack;
+ unsigned char *suffix = pFrameData->pSuffix;
+
+ inputPos = pFrameData->offset;
+
+ IfegMemset(prefix, 0, sizeof(unsigned short)*(MAX_CODES+1));
+ IfegMemset(dstack, 0, sizeof(unsigned char)*(MAX_CODES+1));
+ IfegMemset(suffix, 0, sizeof(unsigned char)*(MAX_CODES+1));
+
+ image_backcolor = pFrameData->backcolor;
+ ui_backcolor = pFrameData->ui_backcolor;
+
+ backcolor = image_backcolor;
+
+ if (pFrameData->imgCount == -1) {
+ /* Input stream index set to 0 */
+ inputPos = 0;
+ inter_step = 1;
+ interLaced = 0;
+ transparent = 0;
+
+ /* read a GIF HEADER */
+ IfegMemcpy(buffer, pInputStream, 13);
+ inputPos += 13;
+
+ /* wheather GIF file or not */
+ if (buffer[0] != 'G' || buffer[1] != 'I' || buffer[2] != 'F' ||
+ buffer[3] < '0' || buffer[3] > '9' ||
+ buffer[4] < '0' || buffer[4] > '9' ||
+ buffer[5] < 'A' || buffer[5] > 'z') {
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+
+ /* Regard the width/height of image block as the size of thumbnails. */
+ pFrameData->logi_wdt = logi_wdt = expected_width;
+ pFrameData->logi_hgt = logi_hgt = expected_height;
+ logi_image_size = logi_wdt * logi_hgt;
+
+ /* ouput resized image size */
+ if (logi_wdt <= expected_width && logi_hgt <= expected_height) {
+ resized_width = logi_wdt;
+ resized_height = logi_hgt;
+ pFrameData->flag = flag = 1;
+ } else {
+ if ((logi_wdt/(float)expected_width) >= (logi_hgt/(float)expected_height)) {
+ resized_height = logi_hgt * expected_width / logi_wdt;
+ resized_width = expected_width;
+ } else {
+ resized_width = logi_wdt * expected_height / logi_hgt;
+ resized_height = expected_height;
+ }
+ }
+ if (!resized_width || !resized_height) {
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return 0;
+ }
+
+ /* ouput resized image size */
+ pFrameData->resizedwidth = resized_width;
+ pFrameData->resizedheight = resized_height;
+
+ /* Color Resolution */
+ IfegMemset(global_dacbox, 0, 1024);
+ numcolors = (buffer[10] & 0x7) + 1;
+ if ((buffer[10] & 0x80) == 0) { /* Global color table */
+ global_dacbox[0] = 0x000000;
+ global_dacbox[1] = 0x3f3f3f;
+ numcolors = 2;
+ } else { /* Global color table */
+ numcolors = 1 << numcolors;
+
+ /* Make color table */
+ for (i = 0 ; i < numcolors; i++) {
+ global_dacbox[i] = ((pInputStream[inputPos++] >> 2)<<16);
+ global_dacbox[i] |= ((pInputStream[inputPos++] >> 2)<<8);
+ global_dacbox[i] |= (pInputStream[inputPos++] >> 2);
+ }
+ }
+
+ /* Background Color */
+ pImage16 = (unsigned short *)pFrameData->pPrevImg;
+ for (i = 0; i < expected_width * expected_height; i++) {
+ *pImage16++ = ui_backcolor;
+ }
+
+ if (numcolors > 16) {
+ numcolors = 256;
+ }
+ if (numcolors > 2 && numcolors < 16) {
+ numcolors = 16;
+ }
+
+ pFrameData->global_numcol = numcolors;
+ pFrameData->imgCount++;
+ pFrameData->firstpos = inputPos;
+ } else {
+
+ logi_wdt = pFrameData->logi_wdt;
+ logi_hgt = pFrameData->logi_hgt;
+ resized_width = pFrameData->resizedwidth;
+ resized_height = pFrameData->resizedheight;
+
+ flag = pFrameData->flag ;
+
+ numcolors = pFrameData->global_numcol;
+ }
+
+
+ while (1) {
+ if (inputPos > filesize) {
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ pFrameData->imgCount = 0;
+ pFrameData->offset = pFrameData->firstpos;
+
+ if (pFrameData->bLoop) {
+ /* Background Color */
+ pImage16 = (unsigned short *)pFrameData->pPrevImg;
+ for (i = 0; i < expected_width * expected_height; i++) {
+ *pImage16++ = ui_backcolor;
+ }
+ return 1;
+ } else {
+ return 0;
+ }
+ }
+
+ switch (pInputStream[inputPos++]) {
+ case 0x3b: /* End of the GIF dataset */
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ if (pFrameData->imgCount == 0) {
+ return -1;
+ }
+ pFrameData->imgCount = 0;
+ pFrameData->offset = pFrameData->firstpos;
+
+#ifdef INTERNAL_IMGCODEC
+ pFrameData->nRepeatCount++;
+ thumb_dbg("(no_buffer) bLoop : %d, nRepeatCount : %d, nLoopCount : %d" , pFrameData->bLoop, pFrameData->nRepeatCount , pFrameData->nLoopCount);
+
+ if (pFrameData->nLoopCount == -1) {
+ break;
+ } else if (pFrameData->bLoop || (pFrameData->nRepeatCount <= pFrameData->nLoopCount) || (pFrameData->nLoopCount == 0)) {
+ /* Background Color */
+ pImage16 = (unsigned short *)pFrameData->pPrevImg;
+
+ for (i = 0; i < expected_width * expected_height; i++) {
+ *pImage16++ = ui_backcolor;
+ }
+
+ inputPos = pFrameData->offset;
+ continue;
+ } else {
+ /* if there is last frame and bLoop is FALSE, return 2. */
+ return 2;
+ }
+#else
+ if (pFrameData->bLoop) {
+ /* Background Color */
+ pImage16 = (unsigned short *)pFrameData->pPrevImg;
+ for (i = 0; i < expected_width * expected_height; i++) {
+ *pImage16++ = backcolor;
+ }
+ return 1;
+ } else {
+ return 0;
+ }
+#endif
+ break;
+ case 0x21: /* Extension Block */
+ switch (pInputStream[inputPos++]) {
+ case 0xf9: /* Graphic control extension block */
+ if (4 != pInputStream[inputPos++]) { /* data length : fixed 4 bytes */
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+
+ disposal_method = ((pInputStream[inputPos] & 0x1c) >> 2);
+ transparent = pInputStream[inputPos++] & 0x01; /* does it use? 1:on 0:off */
+ pFrameData->delay = (pInputStream[inputPos] | (pInputStream[inputPos+1] << 8))*10;
+ inputPos += 2; /* Delay time (skip) */
+ transIndex = pInputStream[inputPos++];
+ inputPos++; /* block end */
+ break;
+
+ case 0x01: /* Plain Text block */
+ while ((i = pInputStream[inputPos++]) > 0) {/* get the data length */
+ inputPos += i;
+ if (inputPos > filesize) {
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+ }
+ break;
+
+ case 0xfe: /* Comment Extension block */
+ while ((i = pInputStream[inputPos++]) > 0) { /* get the data length */
+ inputPos += i;
+ if (inputPos > filesize) {
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+ }
+ break;
+
+ case 0xff: /* Appliation Extension block */
+ while ((i = pInputStream[inputPos++]) > 0) { /* get the data length */
+ inputPos += i;
+ if (inputPos > filesize) {
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+ break;
+
+ case 0x2c: /* Start of an image object. Read the image description. */
+
+ /* initialize */
+ IfegMemcpy(pOutBits, pFrameData->pPrevImg, expected_width * expected_height * 2);
+ pDacbox = global_dacbox;
+
+ IfegMemcpy(buffer, pInputStream+inputPos, 9);
+ inputPos += 9;
+
+ image_left_pos = (buffer[0] | (buffer[1]<<8));
+ image_top_pos = (buffer[2] | (buffer[3]<<8));
+ orgwdt_1 = orgwdt = (buffer[4] | (buffer[5] << 8));
+ orghgt = (buffer[6] | (buffer[7] << 8));
+
+#ifdef INTERNAL_IMGCODEC
+#else
+ if ((orgwdt > MAXWIDTH) || (orghgt > MAXHEIGHT)) {
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+#endif
+
+ /* Interlaced check */
+ interLaced = buffer[8] & 0x40;
+ if (interLaced) {
+ startloc = -8;
+ }
+
+ inter_step = 1;
+
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ }
+ decoderline = (unsigned char *)IfegMemAlloc(orgwdt);
+ if (!decoderline) {
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return 0;
+ }
+ IfegMemset(decoderline, 0, orgwdt);
+
+ decwdt = ((orgwdt * resized_width+logi_wdt-1) / logi_wdt);
+ dechgt = ((orghgt * resized_height+logi_hgt-1) / logi_hgt);
+
+ if (!decwdt || !dechgt) {
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return 0;
+ }
+
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ }
+ pDecBuf = (unsigned char *)IfegMemAlloc(decwdt * dechgt * 4);
+ if (!pDecBuf) {
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return 0;
+ }
+ IfegMemset(pDecBuf, 0, decwdt * dechgt * 4);
+
+ /* assign out_888_image plane */
+ pImage32 = (unsigned int *)(pDecBuf);
+
+ /* Initialize */
+ a_x = orgwdt>>2, a_y = orghgt>>2;
+ b_x = ((orgwdt*3)>>2), b_y = orghgt>>2;
+ c_x = orgwdt>>2, c_y = ((orghgt*3)>>2);
+ d_x = ((orgwdt*3)>>2), d_y = ((orghgt*3)>>2);
+
+ end = dechgt * orghgt;
+ out_x = 0, out_y = -dechgt;
+
+ /* Color Resolution */
+ if ((buffer[8] & 0x80) == 0) { /* Logical color table */
+ /* use global table */
+ } else { /* Logical color table */
+ IfegMemset(dacbox, 0, 1024);
+
+ numcolors = (buffer[8] & 0x7) + 1;
+ numcolors = 1 << numcolors;
+
+ count = 0;
+
+ /* Make color table */
+ for (i = 0 ; i < numcolors; i++) {
+ dacbox[i] = ((pInputStream[inputPos++] >> 2)<<16);
+ dacbox[i] |= ((pInputStream[inputPos++] >> 2)<<8);
+ dacbox[i] |= (pInputStream[inputPos++] >> 2);
+ }
+ pDacbox = dacbox;
+ }
+
+ if (numcolors > 16) {
+ numcolors = 256;
+ }
+ if (numcolors > 2 && numcolors < 16) {
+ numcolors = 16;
+ }
+
+ /****************************************************************************
+ decoder(WDT, pInputStream, pBitmapElem->pBits);
+ int decoder(int linewidth, UCHAR* pInputStream, UCHAR *pBitmapElem->pBits)
+ ****************************************************************************/
+
+ size = pInputStream[inputPos++];
+ if (size < 2 || 9 < size) {
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+
+ rowcount = oc = fc = 0;
+ buf = decoderline;
+ sp = dstack;
+ bufptr = buf;
+ bufcnt = orgwdt_1;
+
+ /************************
+ init_exp(size);
+ int init_exp(int size)
+ ************************/
+ curr_size = size + 1;
+ top_slot = 1 << curr_size;
+ clear = 1 << size;
+ ending = clear + 1;
+ slot = newcodes = ending + 1;
+ navail_bytes = nbits_left = 0;
+ /************************/
+
+
+ /* __get_next_code(pInputStream) */
+ if (navail_bytes < 2) {
+ if (nbits_left == 0) {
+ __get_next_code_first_nbits_left_0(pInputStream)
+ } else
+ __get_next_code_first_nbits_left_not_0(pInputStream)
+
+ __get_next_code_first_while(pInputStream)
+ } else {
+ if (nbits_left == 0)
+ __get_next_code_second_nbits_left_0(pInputStream)
+ else
+ __get_next_code_second_nbits_left_not_0(pInputStream)
+
+ __get_next_code_second_while(pInputStream)
+ }
+
+ if (c == ending) {
+ break;
+ }
+ /**********************************************************/
+
+ if (c == clear) {
+ curr_size = size + 1;
+ slot = newcodes;
+ top_slot = 1 << curr_size;
+
+ do {
+ /* __get_next_code(pInputStream); */
+ if (navail_bytes < 2) {
+ if (nbits_left == 0)
+ __get_next_code_first_nbits_left_0(pInputStream)
+ else
+ __get_next_code_first_nbits_left_not_0(pInputStream)
+
+ __get_next_code_first_while(pInputStream)
+ } else {
+ if (nbits_left == 0)
+ __get_next_code_second_nbits_left_0(pInputStream)
+ else
+ __get_next_code_second_nbits_left_not_0(pInputStream)
+
+ __get_next_code_second_while(pInputStream)
+ }
+
+ } while (c == clear);
+
+ if (c == ending) {
+ break;
+ }
+
+ if (c >= slot) {
+ c = 0;
+ }
+
+ oc = fc = c;
+ *sp++ = (unsigned char)c;
+ } else {
+ if (c >= slot) {
+ c = 0;
+ }
+
+ oc = fc = c;
+ *sp++ = (unsigned char)c;
+ }
+
+ while (rowcount < orghgt) {
+ if ((sp - dstack) > 0) {
+ spCount = sp - dstack;
+ }
+ /* Now that we've pushed the decoded string (in reverse order)
+ * onto the stack, lets pop it off and put it into our decode
+ * buffer... And when the decode buffer is full, write another
+ * line...
+ */
+ while (sp > dstack) {
+ --sp;
+ *bufptr++ = *sp;
+
+ if (--bufcnt == 0) {
+
+ /********************************************************************************
+ if ((ret = put_line(rowcount++, bufptr - buf, WDT, buf, pBitmapElem->pBits)) < 0)
+ ********************************************************************************/
+ rowcount++;
+ len = bufptr - buf;
+ if (len >= orgwdt) {
+ len = orgwdt;
+ }
+
+ if (interLaced == 0) { /* interlaced image */
+ if (!flag) {
+ out_x = 0, out_y += dechgt;
+ }
+ } else { /* interlaced image */
+ if (inter_step == 1) {
+ startloc += 8;
+ } else if (inter_step == 2) {
+ startloc += 8;
+ } else if (inter_step == 3) {
+ startloc += 4;
+ } else if (inter_step == 4) {
+ startloc += 2;
+ }
+
+ if (startloc >= orghgt) {
+ inter_step++;
+ if (inter_step == 2) {
+ startloc = 4;
+ } else if (inter_step == 3) {
+ startloc = 2;
+ } else if (inter_step == 4) {
+ startloc = 1;
+ }
+ }
+
+ /* gif to rgb 565 */
+ if (flag) {
+ pImage32 = (unsigned int *)(pDecBuf) + startloc * decwdt;
+ } else {
+ out_x = 0, out_y = startloc * dechgt;
+ a_x = orgwdt>>2;
+ b_x = ((orgwdt*3)>>2);
+ c_x = orgwdt>>2;
+ d_x = ((orgwdt*3)>>2);
+ if (out_y <= (orghgt >> 2)) {
+ a_y = orghgt>>2;
+ b_y = orghgt>>2;
+ c_y = ((orghgt*3)>>2);
+ d_y = ((orghgt*3)>>2);
+ } else {
+ if (((out_y%orghgt) - (orghgt>>2)) > 0) {
+ a_y = ((out_y/orghgt)+1) * orghgt + (orghgt>>2);
+ } else if (((out_y%orghgt) - (orghgt>>2)) < 0 || !(out_y%orghgt)) {
+ a_y = ((out_y/orghgt)) * orghgt + (orghgt>>2);
+ } else {
+ a_y = out_y;
+ }
+
+ if (((out_y % orghgt) - ((orghgt * 3) >> 2)) > 0) {
+ c_y = ((out_y/orghgt)+1) * orghgt + ((orghgt*3)>>2);
+ } else if (((out_y%orghgt) - ((orghgt*3)>>2)) < 0 || !(out_y%orghgt)) {
+ c_y = ((out_y/orghgt)) * orghgt + ((orghgt * 3) >> 2);
+ } else {
+ c_y = out_y;
+ }
+ b_y = a_y, d_y = c_y;
+ }
+ }
+ }
+
+ if (transparent == 1) {
+ if (flag) {
+ for (i = 0; i < len; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ if (val1 == transIndex) {
+ *pImage32++ = 0x4000000; /* Set *pImage32 MSB 1 */
+ } else {
+ *pImage32++ = pDacbox[val1]<<2;
+ }
+ }
+ } else {
+ if (c_y < end) {
+ d1 = a_y - out_y;
+ d2 = c_y - out_y;
+ if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/orghgt) * decwdt;
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/orghgt) * decwdt;
+
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+
+ if (0 <= d1 && d1 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (a_x/orgwdt)) += 0x1000000;
+ *(pImage32_2 + (c_x/orgwdt)) += 0x1000000;
+ a_x += orgwdt, c_x += orgwdt;
+ } else {
+ *(pImage32 + (a_x/orgwdt)) += pDacbox[val1];
+ *(pImage32_2 + (c_x/orgwdt)) += pDacbox[val1];
+ a_x += orgwdt, c_x += orgwdt;
+ }
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (b_x/orgwdt)) += 0x1000000;
+ *(pImage32_2 + (d_x/orgwdt)) += 0x1000000;
+ b_x += orgwdt, d_x += orgwdt;
+ } else {
+ *(pImage32 + (b_x/orgwdt)) += pDacbox[val1];
+ *(pImage32_2 + (d_x/orgwdt)) += pDacbox[val1];
+ b_x += orgwdt, d_x += orgwdt;
+ }
+ }
+ out_x += decwdt;
+ }
+ if (!interLaced) {
+ a_x = orgwdt>>2, a_y += orghgt;
+ b_x = ((orgwdt*3)>>2), b_y += orghgt;
+ c_x = orgwdt>>2, c_y += orghgt;
+ d_x = ((orgwdt*3)>>2), d_y += orghgt;
+ }
+ } else if (0 <= d1 && d1 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/orghgt) * decwdt;
+
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (a_x/orgwdt)) += 0x1000000;
+ a_x += orgwdt;
+ } else {
+ *(pImage32 + (a_x/orgwdt)) += pDacbox[val1];
+ a_x += orgwdt;
+ }
+ } if (0 <= d2 && d2 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (b_x/orgwdt)) += 0x1000000;
+ b_x += orgwdt;
+ } else {
+ *(pImage32 + (b_x/orgwdt)) += pDacbox[val1];
+ b_x += orgwdt;
+ }
+ }
+ out_x += decwdt;
+ }
+ if (!interLaced) {
+ a_x = orgwdt>>2, a_y += orghgt;
+ b_x = ((orgwdt*3)>>2), b_y += orghgt;
+ }
+ } else if (0 <= d2 && d2 < dechgt) {
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/orghgt) * decwdt;
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32_2 + (c_x/orgwdt)) += 0x1000000;
+ c_x += orgwdt;
+ } else {
+ *(pImage32_2 + (c_x/orgwdt)) += pDacbox[val1];
+ c_x += orgwdt;
+ }
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32_2 + (d_x/orgwdt)) += 0x1000000;
+ d_x += orgwdt;
+ } else {
+ *(pImage32_2 + (d_x/orgwdt)) += pDacbox[val1];
+ d_x += orgwdt;
+ }
+ }
+ out_x += decwdt;
+ }
+ if (!interLaced) {
+ c_x = orgwdt>>2, c_y += orghgt;
+ d_x = ((orgwdt*3)>>2), d_y += orghgt;
+ }
+ }
+ }
+ }
+ } else {
+ if (flag) {
+ for (i = 0; i < len; i++) {
+ val1 = buf[i] & (numcolors-1);
+ *pImage32++ = pDacbox[val1]<<2;
+ }
+ } else {
+ if (c_y < end) {
+ d1 = a_y - out_y;
+ d2 = c_y - out_y;
+ if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/orghgt) * decwdt;
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/orghgt) * decwdt;
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/orgwdt)) += pDacbox[val1];
+ *(pImage32_2 + (c_x/orgwdt)) += pDacbox[val1];
+ a_x += orgwdt, c_x += orgwdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/orgwdt)) += pDacbox[val1];
+ *(pImage32_2 + (d_x/orgwdt)) += pDacbox[val1];
+ b_x += orgwdt, d_x += orgwdt;
+ }
+ out_x += decwdt;
+ }
+ if (!interLaced) {
+ a_x = orgwdt>>2, a_y += orghgt;
+ b_x = ((orgwdt*3)>>2), b_y += orghgt;
+ c_x = orgwdt>>2, c_y += orghgt;
+ d_x = ((orgwdt*3)>>2), d_y += orghgt;
+ }
+ } else if (0 <= d1 && d1 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/orghgt) * decwdt;
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/orgwdt)) += pDacbox[val1];
+ a_x += orgwdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/orgwdt)) += pDacbox[val1];
+ b_x += orgwdt;
+ }
+ out_x += decwdt;
+ }
+ if (!interLaced) {
+ a_x = orgwdt>>2, a_y += orghgt;
+ b_x = ((orgwdt*3)>>2), b_y += orghgt;
+ }
+ } else if (0 <= d2 && d2 < dechgt) {
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/orghgt) * decwdt;
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/orgwdt)) += pDacbox[val1];
+ c_x += orgwdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/orgwdt)) += pDacbox[val1];
+ d_x += orgwdt;
+ }
+ out_x += decwdt;
+ }
+
+ if (!interLaced) {
+ c_x = orgwdt>>2, c_y += orghgt;
+ d_x = ((orgwdt*3)>>2), d_y += orghgt;
+ }
+ }
+ }
+ }
+ }
+ bufptr = buf;
+ bufcnt = orgwdt_1;
+ }
+ }
+
+ if (rowcount == orghgt) {
+ break;
+ }
+
+ /* __get_next_code(pInputStream) */
+ if (navail_bytes < 2) {
+ if (nbits_left == 0)
+ __get_next_code_first_nbits_left_0(pInputStream)
+ else
+ __get_next_code_first_nbits_left_not_0(pInputStream)
+ __get_next_code_first_while(pInputStream)
+ } else {
+ if (nbits_left == 0)
+ __get_next_code_second_nbits_left_0(pInputStream)
+ else
+ __get_next_code_second_nbits_left_not_0(pInputStream)
+
+ __get_next_code_second_while(pInputStream)
+ }
+
+ if (c == ending) {
+ break;
+ }
+ /*************************************************************/
+
+ if (c == clear) {
+ curr_size = size + 1;
+ slot = newcodes;
+ top_slot = 1 << curr_size;
+
+ do {
+ /* __get_next_code(pInputStream); */
+ if (navail_bytes < 2) {
+ if (nbits_left == 0)
+ __get_next_code_first_nbits_left_0(pInputStream)
+ else
+ __get_next_code_first_nbits_left_not_0(pInputStream)
+ __get_next_code_first_while(pInputStream)
+ } else {
+ if (nbits_left == 0)
+ __get_next_code_second_nbits_left_0(pInputStream)
+ else
+ __get_next_code_second_nbits_left_not_0(pInputStream)
+
+ __get_next_code_second_while(pInputStream)
+ }
+ } while (c == clear);
+
+ if (c == ending) {
+ break;
+ }
+
+ if (c >= slot) {
+ c = 0;
+ }
+
+ oc = fc = c;
+ *sp++ = (unsigned char)c;
+ } else {
+ code = c;
+
+ if (code >= slot) {
+ code = oc;
+ *sp++ = (unsigned char)fc;
+ }
+ while (code >= newcodes) {
+ *sp++ = suffix[code];
+ code = prefix[code];
+ }
+
+ *sp++ = (unsigned char)code;
+ spCount++;
+ if (slot < top_slot) {
+ fc = code;
+ suffix[slot] = (unsigned char)fc;
+ prefix[slot++] = oc;
+ oc = c;
+ }
+ if (slot >= top_slot) {
+ if (curr_size < 12) {
+ top_slot <<= 1;
+ ++curr_size;
+ }
+ }
+ }
+ }
+ /*************************************************************/
+
+ if (bCenterAlign) {
+ margin_wdt1_2 = (expected_width - resized_width)>>1;
+ margin_hgt1_2 = (expected_height - resized_height)>>1;
+ } else {
+ margin_wdt1_2 = 0;
+ margin_hgt1_2 = 0;
+ }
+
+ pImage32 = (unsigned int *)(pDecBuf);
+
+ /* Only make a first image frame as a thumbnail */
+ image_left_pos = 0;
+ image_top_pos = 0;
+ len = decwdt;
+
+ if (orgwdt > logi_wdt) {
+ decwdt = resized_width;
+ }
+ if (orghgt > logi_hgt) {
+ dechgt = resized_height;
+ }
+
+ if ((image_left_pos + decwdt) > resized_width) {
+ decwdt = resized_width - image_left_pos;
+ if (decwdt < 0) {
+ decwdt = 0;
+ }
+ }
+ if ((image_top_pos+dechgt) > resized_height) {
+ dechgt = resized_height - image_top_pos;
+ if (dechgt < 0) {
+ dechgt = 0;
+ }
+ }
+
+ if (pFrameData->imgCount == 0) {
+ for (i = 0, k = margin_hgt1_2; i < resized_height; i++) {
+ pImage16 = (unsigned short *)((unsigned char *)pOutBits + ((margin_wdt1_2 + expected_width * k) << 1));
+ for (j = 0; j < resized_width; j++) {
+ *pImage16++ = backcolor;
+ }
+ k++;
+ }
+ if (transparent == 1) {
+ for (i = 0, k = image_top_pos+margin_hgt1_2; i < dechgt; i++) {
+ pImage16 = (unsigned short *)((unsigned char *)pOutBits + ((image_left_pos+margin_wdt1_2 + expected_width * k) << 1));
+ for (j = 0; j < decwdt; j++) {
+ *pImage16++ = ui_backcolor;
+ }
+ k++;
+ }
+ }
+ }
+
+ for (i = 0, k = image_top_pos+margin_hgt1_2; i < dechgt; i++) {
+ pImage16 = (unsigned short *)((unsigned char*)pOutBits + ((image_left_pos+margin_wdt1_2 + (expected_width) * k) << 1));
+ pImage32 = (unsigned int *)(pDecBuf) + (i * len);
+
+ for (j = 0; j < decwdt; j++) {
+ if ((*pImage32>>24) == 0) {
+ *(pImage16++) = ((*pImage32 & 0xf80000) >> 8) | ((*pImage32 & 0xfc00) >> 5) | ((*pImage32 & 0xf8) >> 3);
+ } else if ((*pImage32 >> 24) == 4) {
+ pImage16++;
+ } else if ((*pImage32 >> 24) == 3) {
+ *pImage16 =
+ (((*pImage32 & 0xf80000) >> 8)+(((((*pImage16) & 0xf800) * 3) >> 2) & 0xf800)) |
+ (((*pImage32 & 0xfc00) >> 5)+(((((*pImage16) & 0x07c0) * 3) >> 2) & 0x07c0)) |
+ (((*pImage32 & 0xf8) >> 3)+((((*pImage16) & 0x001f) * 3) >> 2));
+ pImage16++;
+ } else if ((*pImage32 >> 24) == 1) {
+ *pImage16 =
+ (((*pImage32 & 0xf80000) >> 8)+((((*pImage16) & 0xf800) >> 2) & 0xf800)) |
+ (((*pImage32 & 0xfc00) >> 5)+((((*pImage16) & 0x07c0) >> 2) & 0x07c0)) |
+ (((*pImage32 & 0xf8) >> 3)+((((*pImage16) & 0x001f) >> 2)));
+ pImage16++;
+ } else {
+ *pImage16 =
+ (((*pImage32 & 0xf80000) >> 8)+((((*pImage16) & 0xf800) >> 1) & 0xf800)) |
+ (((*pImage32 & 0xfc00) >> 5)+((((*pImage16) & 0x07c0) >> 1) & 0x07c0)) |
+ (((*pImage32 & 0xf8) >> 3)+((((*pImage16) & 0x001f) >> 1)));
+ pImage16++;
+ }
+ pImage32++;
+ }
+ k++;
+ }
+
+ switch (disposal_method) {
+ /* No disposal specified. The decoder is not required to take any action */
+ case 0:
+
+ /* Do not dispose. The graphic is to be left in place. */
+ case 1:
+ IfegMemcpy(pFrameData->pPrevImg, pOutBits, expected_width * expected_height * 2);
+ break;
+
+ /* Restore to background color. The area used by the graphic must be restored to the background color. */
+ case 2:
+ IfegMemcpy(pFrameData->pPrevImg, pOutBits, expected_width * expected_height * 2);
+
+ if (transparent == 1) {
+ for (i = 0, k = image_top_pos+margin_hgt1_2; i < dechgt; i++) {
+ pImage16 = (unsigned short *)((pFrameData->pPrevImg) + ((image_left_pos+margin_wdt1_2 + expected_width * k) << 1));
+ for (j = 0; j < decwdt; j++) {
+ *pImage16++ = ui_backcolor;
+ }
+ k++;
+ }
+ } else {
+ for (i = 0, k = image_top_pos+margin_hgt1_2; i < dechgt; i++) {
+ pImage16 = (unsigned short *)((pFrameData->pPrevImg) + ((image_left_pos+margin_wdt1_2 + expected_width * k) << 1));
+ for (j = 0; j < decwdt; j++) {
+ *pImage16++ = image_backcolor;
+ }
+ k++;
+ }
+ }
+ break;
+
+ /* Restore to previous. The decoder is required to restore the area overwritten by the graphic with what was there prior to rendering the graphic.*/
+ case 3:
+ break;
+
+ default:
+ IfegMemcpy(pFrameData->pPrevImg, pOutBits, expected_width * expected_height * 2);
+ /* same with case 1 */
+ break;
+ }
+
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+
+ pFrameData->offset = inputPos;
+ pFrameData->imgCount++;
+
+ return 1;
+
+ break;
+
+ default:
+ break;
+
+ }
+ }
+}
+
+
+/* use buffer */
+int __FastImgGetNextFrameAGIF_UseBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAlign)
+{
+ unsigned int *pImage32, *pImage32_2, *backGround;
+ unsigned short *pImage16;
+ unsigned char *sp;
+ unsigned char *bufptr;
+ unsigned int code, fc, oc, bufcnt;
+ unsigned char buffer[16];
+ unsigned char val1;
+ unsigned char *buf;
+ unsigned int *pDacbox;
+ unsigned char *decoderline = 0;
+ unsigned int size;
+ unsigned int c = 0;
+
+ unsigned int clear;
+ unsigned int ending;
+ unsigned int newcodes;
+ unsigned int top_slot;
+ unsigned int slot;
+
+ int numcolors;
+ int i, j, k;
+ int rowcount;
+ int orgwdt_1, orgwdt, orghgt;
+ int decwdt, dechgt;
+ int len;
+ int inter_step, interLaced, intercount;
+ int transparent = 0;
+ int startloc = 0;
+ int backgroundIndex = 0;
+ int transIndex = 0;
+ int spCount = 0;
+ int logi_wdt; /* logical screen width */
+ int logi_hgt;
+ int logi_image_size;
+ int ui_backcolor565;
+ int backcolor565;
+
+ int ui_backcolor888;
+ int backcolor888;
+
+ int image_left_pos; /* left position of image in Logical screeen */
+ int image_top_pos;
+ int disposal_method = 0;
+ int margin_wdt1_2, margin_hgt1_2;
+
+ int inputPos;
+
+
+ unsigned int dacbox[256];
+
+ /* Variable for Resize */
+
+ unsigned int a_x, a_y;
+ unsigned int b_x, b_y;
+ unsigned int c_x, c_y;
+ unsigned int d_x, d_y;
+ int out_x = 0, out_y = 0;
+ int d1, d2;
+ int flag = 0;
+ unsigned int end;
+
+ int count = 0;
+
+ unsigned char *pDecBuf = 0;
+
+ int expected_width = pFrameData->width;
+ int expected_height = pFrameData->height;
+ int resized_width;
+ int resized_height;
+
+ /* macro */
+ register unsigned int curr_size;
+ register int navail_bytes = 0;
+ register unsigned int nbits_left = 0;
+ register unsigned int b1 = 0;
+ register unsigned int ret;
+
+ /* parameter */
+ unsigned int *global_dacbox = pFrameData->pGlobal_table;
+ unsigned char *pInputStream = pFrameData->pEncodedData;
+ void *pOutBits = pFrameData->pOutBits;
+ unsigned short *prefix = pFrameData->pPrefix;
+ unsigned char *dstack = pFrameData->pDstack;
+ unsigned char *suffix = pFrameData->pSuffix;
+ int filesize = pFrameData->inputSize;
+
+ inputPos = pFrameData->offset;
+
+ IfegMemset(prefix, 0, sizeof(unsigned short)*(MAX_CODES+1));
+ IfegMemset(dstack, 0, sizeof(unsigned char)*(MAX_CODES+1));
+ IfegMemset(suffix, 0, sizeof(unsigned char)*(MAX_CODES+1));
+
+ ui_backcolor565 = pFrameData->ui_backcolor;
+ ui_backcolor888 =
+ ((ui_backcolor565&0xf800) << 6)|
+ ((ui_backcolor565&0x7e0) << 3)|
+ ((ui_backcolor565&0x1f) << 1);
+
+ backcolor565 = pFrameData->backcolor;
+ backcolor888 =
+ ((backcolor565&0xf800) << 6)|
+ ((backcolor565&0x7e0) << 3)|
+ ((backcolor565&0x1f) << 1);
+
+ backGround = (unsigned int *)pFrameData->pPrevImg;
+
+ intercount = 0;
+
+ if (pFrameData->imgCount == -1) {
+ /* Input stream index set to 0 */
+ inputPos = 0;
+ inter_step = 1;
+ interLaced = 0;
+ transparent = 0;
+
+ /* read a GIF HEADER */
+ IfegMemcpy(buffer, pInputStream, 13);
+ inputPos += 13;
+
+ /* wheather GIF file or not */
+ if (buffer[0] != 'G' || buffer[1] != 'I' || buffer[2] != 'F' ||
+ buffer[3] < '0' || buffer[3] > '9' ||
+ buffer[4] < '0' || buffer[4] > '9' ||
+ buffer[5] < 'A' || buffer[5] > 'z') {
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+
+ /* get Logical width, height */
+ pFrameData->logi_wdt = logi_wdt = buffer[6] | (buffer[7] << 8);
+ pFrameData->logi_hgt = logi_hgt = buffer[8] | (buffer[9] << 8);
+
+ logi_image_size = logi_wdt * logi_hgt;
+
+ /* ouput resized image size */
+ if (logi_wdt <= expected_width && logi_hgt <= expected_height) {
+ resized_width = logi_wdt;
+ resized_height = logi_hgt;
+ pFrameData->flag = flag = 1;
+ } else {
+ if ((logi_wdt/(float)expected_width) >= (logi_hgt/(float)expected_height)) {
+ resized_height = logi_hgt * expected_width / logi_wdt;
+ resized_width = expected_width;
+ } else {
+ resized_width = logi_wdt * expected_height / logi_hgt;
+ resized_height = expected_height;
+ }
+ }
+ if (!resized_width || !resized_height) {
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return 0;
+ }
+
+ /* ouput resized image size */
+ pFrameData->resizedwidth = resized_width;
+ pFrameData->resizedheight = resized_height;
+
+ /* Color Resolution */
+ IfegMemset(global_dacbox, 0, 1024);
+ numcolors = (buffer[10] & 0x7) + 1;
+ if ((buffer[10] & 0x80) == 0) { /* Global color table */
+ global_dacbox[0] = 0x000000;
+ global_dacbox[1] = 0x3f3f3f;
+ numcolors = 2;
+ } else { /* Global color table */
+ numcolors = 1 << numcolors;
+
+ /* Make color table */
+ for (i = 0; i < numcolors; i++) {
+ global_dacbox[i] = ((pInputStream[inputPos++] >> 2) << 16);
+ global_dacbox[i] |= ((pInputStream[inputPos++] >> 2) << 8);
+ global_dacbox[i] |= (pInputStream[inputPos++] >> 2);
+ }
+ }
+
+ backgroundIndex = buffer[11];
+ /* Background Color */
+ backcolor888 = global_dacbox[backgroundIndex];
+ backcolor565 = pFrameData->backcolor = (((backcolor888 & 0xff0000) >> 17) << 11) | (((backcolor888 & 0x00ff00) >> 8) << 5) | (((backcolor888 & 0xff) >> 1));
+
+ pImage16 = pOutBits;
+
+ ui_backcolor565 = pFrameData->ui_backcolor ;
+ for (i = 0; i < expected_width * expected_height; i++) {
+ *pImage16++ = ui_backcolor565;
+ }
+
+ pImage32 = (unsigned int *)pFrameData->pPrevImg;
+
+ if (numcolors > 16) {
+ numcolors = 256;
+ }
+ if (numcolors > 2 && numcolors < 16) {
+ numcolors = 16;
+ }
+ pFrameData->global_numcol = numcolors;
+ pFrameData->imgCount++;
+ pFrameData->firstpos = inputPos;
+ } else {
+ logi_wdt = pFrameData->logi_wdt;
+ logi_hgt = pFrameData->logi_hgt;
+ resized_width = pFrameData->resizedwidth;
+ resized_height = pFrameData->resizedheight;
+ flag = pFrameData->flag ;
+
+ numcolors = pFrameData->global_numcol;
+ }
+
+ /* still gif image (image_cnt = 1) */
+ while (1) {
+ if (inputPos > filesize) {
+
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ pFrameData->imgCount = 0;
+ pFrameData->offset = pFrameData->firstpos;
+
+ if (pFrameData->bLoop) {
+ return 1;
+ } else {
+ return 0;
+ }
+ }
+
+ switch (pInputStream[inputPos++]) {
+ case 0x3b:/* End of the GIF dataset */
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ if (pFrameData->imgCount == 0) {
+ return -1;
+ }
+ pFrameData->imgCount = 0;
+ pFrameData->offset = pFrameData->firstpos;
+#ifdef INTERNAL_IMGCODEC
+ pFrameData->nRepeatCount++;
+
+ if (pFrameData->nLoopCount == -1) {
+ break;
+ } else if (pFrameData->bLoop || (pFrameData->nRepeatCount <= pFrameData->nLoopCount) || (pFrameData->nLoopCount == 0)) {
+ inputPos = pFrameData->offset;
+ continue;
+ } else {
+ return 2;
+ }
+#else
+ if (pFrameData->bLoop) {
+ return 1;
+ } else {
+ return 0;
+ }
+
+#endif
+ break;
+ case 0x21: /* Extension Block */
+ switch (pInputStream[inputPos++]) {
+ case 0xf9: /* Graphic control extension block */
+ if (4 != pInputStream[inputPos++]) { /* data length : fixed 4 bytes */
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+
+ disposal_method = ((pInputStream[inputPos] & 0x1c) >> 2);
+ transparent = pInputStream[inputPos++] & 0x01; /* does it use? 1:on 0:off */
+ pFrameData->delay = (pInputStream[inputPos] | (pInputStream[inputPos+1] << 8))*10;
+ inputPos += 2; /* Delay time (skip) */
+ transIndex = pInputStream[inputPos++];
+ inputPos++; /* block end */
+
+ if (backgroundIndex == transIndex && transparent == 1) {
+ backcolor888 = 0x1000000;
+ backcolor565 = pFrameData->ui_backcolor;
+ }
+
+ break;
+ case 0x01: /* Plain Text block */
+ while ((i = pInputStream[inputPos++]) > 0) { /* get the data length */
+ inputPos += i;
+ if (inputPos > filesize) {
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+ }
+ break;
+ case 0xfe: /* Comment Extension block */
+ while ((i = pInputStream[inputPos++]) > 0) { /* get the data length */
+ inputPos += i;
+ if (inputPos > filesize) {
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+ }
+ break;
+ case 0xff: /* Appliation Extension block */
+
+ while ((i = pInputStream[inputPos++]) > 0) { /* get the data length */
+ inputPos += i;
+ if (inputPos > filesize) {
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+
+ break;
+
+ case 0x2c: /* Start of an image object. Read the image description. */
+
+ /* initialize */
+ pDacbox = global_dacbox;
+
+ IfegMemcpy(buffer, pInputStream+inputPos, 9);
+ inputPos += 9;
+
+ if (pFrameData->imgCount == 0) {
+ image_left_pos_N = (buffer[0] | (buffer[1] << 8));
+ image_top_pos_N = (buffer[2] | (buffer[3] << 8));
+
+ image_left_pos = image_left_pos_N;
+ image_top_pos = image_top_pos_N;
+ }
+ image_left_pos = (buffer[0] | (buffer[1] << 8));
+ image_top_pos = (buffer[2] | (buffer[3] << 8));
+ orgwdt_1 = orgwdt = (buffer[4] | (buffer[5] << 8));
+ orghgt = (buffer[6] | (buffer[7] << 8));
+
+
+#ifdef INTERNAL_IMGCODEC
+#else
+ if ((orgwdt > MAXWIDTH) || (orghgt > MAXHEIGHT)) {
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+#endif
+
+ /* Initialize */
+ a_x = logi_wdt >> 2, a_y = logi_hgt >> 2;
+ b_x = ((logi_wdt*3) >> 2), b_y = logi_hgt >> 2;
+ c_x = logi_wdt >> 2, c_y = ((logi_hgt*3) >> 2);
+ d_x = ((logi_wdt*3) >> 2), d_y = ((logi_hgt*3) >> 2);
+
+ /* Interlaced check */
+ interLaced = buffer[8] & 0x40;
+ if (interLaced) {
+ startloc = -8+image_top_pos;
+ }
+
+ inter_step = 1;
+
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ }
+ decoderline = (unsigned char *)IfegMemAlloc(orgwdt);
+ if (!decoderline) {
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return 0;
+ }
+ IfegMemset(decoderline, 0, orgwdt);
+
+ decwdt = resized_width;
+ dechgt = resized_height;
+
+ if (!decwdt || !dechgt) {
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return 0;
+ }
+
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ }
+ pDecBuf = (unsigned char *)IfegMemAlloc(decwdt * dechgt * 4);
+ if (!pDecBuf) {
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return 0;
+ }
+
+ IfegMemset(pDecBuf, 0, decwdt * dechgt * 4);
+
+ /* assign out_888_image plane */
+ pImage32 = (unsigned int *)(pDecBuf);
+
+ end = dechgt * logi_hgt;
+ out_x = 0, out_y = -dechgt;
+
+ /* Color Resolution */
+ if ((buffer[8] & 0x80) == 0) { /* Logical color table */
+ ;/* use global table */
+ } else { /* Logical color table */
+ IfegMemset(dacbox, 0, 1024);
+
+ numcolors = (buffer[8] & 0x7) + 1;
+ numcolors = 1 << numcolors;
+
+ count = 0;
+
+ /* Make color table */
+ for (i = 0; i < numcolors; i++) {
+ dacbox[i] = ((pInputStream[inputPos++] >> 2) << 16);
+ dacbox[i] |= ((pInputStream[inputPos++] >> 2) << 8);
+ dacbox[i] |= (pInputStream[inputPos++] >> 2);
+ }
+ pDacbox = dacbox;
+ }
+
+ if (numcolors > 16) {
+ numcolors = 256;
+ }
+ if (numcolors > 2 && numcolors < 16) {
+ numcolors = 16;
+ }
+
+ if (logi_wdt < (image_left_pos + orgwdt)) {
+ if (image_left_pos > logi_wdt) {
+ image_left_pos = logi_wdt;
+ }
+ orgwdt = logi_wdt - image_left_pos;
+ flag = 0;
+ }
+ if (logi_hgt < (image_top_pos + orghgt)) {
+ flag = 0;
+ }
+
+ if (pFrameData->imgCount == 0) {
+ if (disposal_method == 3) {
+ pImage32 = (unsigned int *)pFrameData->pPrevImg;
+ for (i = 0; i < logi_wdt * logi_hgt; i++) {
+ *pImage32++ = 0x1000000;
+ }
+ } else {
+ pImage32 = (unsigned int *)pFrameData->pPrevImg;
+ for (i = 0; i < logi_wdt * logi_hgt; i++) {
+ *pImage32++ = backcolor888;
+ }
+ }
+ if (transparent == 1) {
+ /* Background Color */
+ pImage32 = (unsigned int *)pFrameData->pPrevImg;
+ pImage32 += image_top_pos * logi_wdt + image_left_pos;
+ if (logi_hgt < (image_top_pos + orghgt)) {
+ for (i = 0; i < logi_hgt - image_top_pos; i++) {
+ for (j = 0; j < orgwdt; j++) {
+ pImage32[j] = 0x1000000; /* set ui color */
+ }
+ pImage32 += logi_wdt;
+ }
+ } else {
+ for (i = 0; i < orghgt; i++) {
+ for (j = 0; j < orgwdt; j++) {
+ pImage32[j] = 0x1000000; /* set ui color */
+ }
+ pImage32 += logi_wdt;
+ }
+ }
+ }
+ }
+
+ /* assign out_888_image plane */
+ pImage32 = (unsigned int *)(pDecBuf);
+
+ for (rowcount = 0; rowcount < image_top_pos; rowcount++) {
+ if (flag) {
+ for (i = 0; i < logi_wdt; i++) {
+ *pImage32++ = backGround[i] << 2;
+ }
+ } else {
+ out_x = 0, out_y += dechgt;
+ if (c_y < end) {
+ d1 = a_y - out_y;
+ d2 = c_y - out_y;
+ if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ } else if (0 <= d1 && d1 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ for (i = 0; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ } else if (0 <= d2 && d2 < dechgt) {
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < logi_wdt; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ }
+ }
+ backGround += logi_wdt;
+ }
+
+
+ /***************************************************************************
+ decoder(WDT, pInputStream, pBitmapElem->pBits); //this does the grunt work
+ int decoder(int linewidth, UCHAR* pInputStream, UCHAR *pBitmapElem->pBits)
+ ***************************************************************************/
+
+ size = pInputStream[inputPos++];
+ if (size < 2 || 9 < size) {
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ return -1;
+ }
+ rowcount = oc = fc = 0;
+ buf = decoderline;
+ sp = dstack;
+ bufptr = buf;
+ bufcnt = orgwdt_1;
+
+ /************************
+ init_exp(size);
+ int init_exp(int size)
+ ************************/
+ curr_size = size + 1;
+ top_slot = 1 << curr_size;
+ clear = 1 << size;
+ ending = clear + 1;
+ slot = newcodes = ending + 1;
+ navail_bytes = nbits_left = 0;
+ /************************/
+
+
+ /* __get_next_code(pInputStream) */
+ if (navail_bytes < 2) {
+ if (nbits_left == 0)
+ __get_next_code_first_nbits_left_0(pInputStream)
+ else
+ __get_next_code_first_nbits_left_not_0(pInputStream)
+ __get_next_code_first_while(pInputStream)
+ } else {
+ if (nbits_left == 0)
+ __get_next_code_second_nbits_left_0(pInputStream)
+ else
+ __get_next_code_second_nbits_left_not_0(pInputStream)
+
+ __get_next_code_second_while(pInputStream)
+ }
+ if (c == ending) {
+ break;
+ }
+
+ if (c == clear) {
+ curr_size = size + 1;
+ slot = newcodes;
+ top_slot = 1 << curr_size;
+
+ do {
+ /* __get_next_code(pInputStream); */
+ if (navail_bytes < 2) {
+ if (nbits_left == 0)
+ __get_next_code_first_nbits_left_0(pInputStream)
+ else
+ __get_next_code_first_nbits_left_not_0(pInputStream)
+ __get_next_code_first_while(pInputStream)
+ } else {
+ if (nbits_left == 0)
+ __get_next_code_second_nbits_left_0(pInputStream)
+ else
+ __get_next_code_second_nbits_left_not_0(pInputStream)
+
+ __get_next_code_second_while(pInputStream)
+ }
+ } while (c == clear);
+
+ if (c == ending) {
+ break;
+ }
+
+ if (c >= slot) {
+ c = 0;
+ }
+
+ oc = fc = c;
+ *sp++ = (unsigned char)c;
+ } else {
+ if (c >= slot) {
+ c = 0;
+ }
+
+ oc = fc = c;
+ *sp++ = (unsigned char)c;
+ }
+
+ switch (disposal_method) {
+
+ /* Restore to previous. The decoder is required to restore the area overwritten by the graphic with what was there prior to rendering the graphic. */
+ case 3:
+ while (rowcount < orghgt) {
+ if ((sp - dstack) > 0) {
+ spCount = sp - dstack;
+ }
+ /* Now that we've pushed the decoded string (in reverse order)
+ * onto the stack, lets pop it off and put it into our decode
+ * buffer... And when the decode buffer is full, write another
+ * line...
+ */
+ while (sp > dstack) {
+ --sp;
+ *bufptr++ = *sp;
+
+ if (--bufcnt == 0) {
+ /**********************************************************************************
+ if ((ret = put_line(rowcount++, bufptr - buf, WDT, buf, pBitmapElem->pBits)) < 0)
+ **********************************************************************************/
+ rowcount++;
+ len = bufptr - buf;
+ if (len >= orgwdt) {
+ len = orgwdt;
+ }
+
+ if (interLaced == 0) { /* interlaced image */
+ if (!flag) {
+ out_x = 0, out_y += dechgt;
+ }
+ } else { /* interlaced image */
+ if (inter_step == 1) {
+ startloc += 8;
+ intercount++;
+ } else if (inter_step == 2) {
+ startloc += 8;
+ intercount++;
+ } else if (inter_step == 3) {
+ startloc += 4;
+ intercount++;
+ } else if (inter_step == 4) {
+ startloc += 2;
+ intercount++;
+ }
+
+ if (startloc >= orghgt+image_top_pos) {
+ inter_step++;
+ if (inter_step == 2) {
+ startloc = 4+image_top_pos;
+ } else if (inter_step == 3) {
+ startloc = 2+image_top_pos;
+ } else if (inter_step == 4) {
+ startloc = 1+image_top_pos;
+ }
+ }
+
+ backGround = (unsigned int *)(pFrameData->pPrevImg + ((startloc * logi_wdt) << 2));
+ /* gif to rgb 565 */
+ if (flag) {
+ pImage32 = (unsigned int *)(pDecBuf) + startloc * decwdt;
+ } else {
+ out_x = 0, out_y = startloc * dechgt;
+ a_x = logi_wdt >> 2;
+ b_x = ((logi_wdt*3) >> 2);
+ c_x = logi_wdt >> 2;
+ d_x = ((logi_wdt*3) >> 2);
+ if (out_y <= (logi_hgt >> 2)) {
+ a_y = logi_hgt >> 2;
+ b_y = logi_hgt >> 2;
+ c_y = ((logi_hgt*3) >> 2);
+ d_y = ((logi_hgt*3) >> 2);
+ } else {
+ if (((out_y % logi_hgt) - (logi_hgt >> 2)) > 0) {
+ a_y = ((out_y/logi_hgt)+1) * logi_hgt + (logi_hgt >> 2);
+ } else if (((out_y % logi_hgt) - (logi_hgt >> 2)) < 0 || !(out_y%logi_hgt)) {
+ a_y = ((out_y/logi_hgt)) * logi_hgt + (logi_hgt>>2);
+ } else {
+ a_y = out_y;
+ }
+
+ if (((out_y % logi_hgt) - ((logi_hgt*3) >> 2)) > 0) {
+ c_y = ((out_y/logi_hgt+1) * logi_hgt + ((logi_hgt*3) >> 2));
+ } else if (((out_y % logi_hgt) - ((logi_hgt*3) >> 2)) < 0 || !(out_y % logi_hgt)) {
+ c_y = ((out_y/logi_hgt)) * logi_hgt + ((logi_hgt*3) >> 2);
+ } else {
+ c_y = out_y;
+ }
+ b_y = a_y, d_y = c_y;
+ }
+ }
+ }
+
+ if (transparent == 1) {
+ if (flag) {
+ for (i = 0; i < image_left_pos; i++) {
+ *pImage32++ = backGround[i]<<2;
+ }
+ for (i = 0; i < len; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ if (val1 == transIndex) {
+ *pImage32++ = backGround[i+image_left_pos] << 2;
+ } else {
+ *pImage32++ = pDacbox[val1] << 2;
+ }
+ }
+ for (i = orgwdt+image_left_pos; i < logi_wdt; i++) {
+ *pImage32++ = backGround[i] << 2;
+ }
+ } else {
+ if (c_y < end) {
+ d1 = a_y - out_y;
+ d2 = c_y - out_y;
+ if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i+image_left_pos];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i+image_left_pos];
+ a_x += logi_wdt, c_x += logi_wdt;
+ } else {
+ *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
+ *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i+image_left_pos];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i+image_left_pos];
+ b_x += logi_wdt, d_x += logi_wdt;
+ } else {
+ *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
+ *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ }
+ out_x += decwdt;
+ }
+
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+
+ if (!interLaced) {
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ c_x = logi_wdt>>2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ } else if (0 <= d1 && d1 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i+image_left_pos];
+ a_x += logi_wdt;
+ } else {
+ *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
+ a_x += logi_wdt;
+ }
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i+image_left_pos];
+ b_x += logi_wdt;
+ } else {
+ *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
+ b_x += logi_wdt;
+ }
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ if (!interLaced) {
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ }
+ } else if (0 <= d2 && d2 < dechgt) {
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i+image_left_pos];
+ c_x += logi_wdt;
+ } else {
+ *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
+ c_x += logi_wdt;
+ }
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i+image_left_pos];
+ d_x += logi_wdt;
+ } else {
+ *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
+ d_x += logi_wdt;
+ }
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ if (!interLaced) {
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ }
+ }
+ }
+ } else {
+ if (flag) {
+ for (i = 0; i < image_left_pos; i++) {
+ *pImage32++ = backGround[i] << 2;
+ }
+ for (i = 0; i < len; i++) {
+ val1 = buf[i] & (numcolors - 1);
+ *pImage32++ = pDacbox[val1] << 2;
+ }
+ for (i = orgwdt+image_left_pos; i < logi_wdt; i++) {
+ *pImage32++ = backGround[i] << 2;
+ }
+ } else {
+ if (c_y < end) {
+ d1 = a_y - out_y;
+ d2 = c_y - out_y;
+ if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
+ *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
+ *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ if (!interLaced) {
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ } else if (0 <= d1 && d1 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ if (!interLaced) {
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ }
+ } else if (0 <= d2 && d2 < dechgt) {
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ if (!interLaced) {
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ }
+ }
+ }
+ }
+
+ backGround += logi_wdt;
+ bufptr = buf;
+ bufcnt = orgwdt_1;
+ }
+ }
+
+ if (rowcount == orghgt) {
+ break;
+ }
+ /* __get_next_code(pInputStream) */
+ if (navail_bytes < 2) {
+ if (nbits_left == 0)
+ __get_next_code_first_nbits_left_0(pInputStream)
+ else
+ __get_next_code_first_nbits_left_not_0(pInputStream)
+ __get_next_code_first_while(pInputStream)
+ } else {
+ if (nbits_left == 0)
+ __get_next_code_second_nbits_left_0(pInputStream)
+ else
+ __get_next_code_second_nbits_left_not_0(pInputStream)
+
+ __get_next_code_second_while(pInputStream)
+ }
+
+ if (c == ending) {
+ break;
+ }
+
+ if (c == clear) {
+ curr_size = size + 1;
+ slot = newcodes;
+ top_slot = 1 << curr_size;
+
+ do {
+ /* __get_next_code(pInputStream); */
+ if (navail_bytes < 2) {
+ if (nbits_left == 0)
+ __get_next_code_first_nbits_left_0(pInputStream)
+ else
+ __get_next_code_first_nbits_left_not_0(pInputStream)
+ __get_next_code_first_while(pInputStream)
+ } else {
+ if (nbits_left == 0)
+ __get_next_code_second_nbits_left_0(pInputStream)
+ else
+ __get_next_code_second_nbits_left_not_0(pInputStream)
+
+ __get_next_code_second_while(pInputStream)
+ }
+ } while (c == clear);
+
+ if (c == ending) {
+ break;
+ }
+
+ if (c >= slot) {
+ c = 0;
+ }
+
+ oc = fc = c;
+
+ *sp++ = (unsigned char)c;
+ } else {
+ code = c;
+
+ if (code >= slot) {
+ code = oc;
+ *sp++ = (unsigned char)fc;
+ }
+
+ while (code >= newcodes) {
+ *sp++ = suffix[code];
+ code = prefix[code];
+ }
+
+ *sp++ = (unsigned char)code;
+ spCount++;
+ if (slot < top_slot) {
+ fc = code;
+ suffix[slot] = (unsigned char)fc;
+ prefix[slot++] = oc;
+ oc = c;
+ }
+ if (slot >= top_slot) {
+ if (curr_size < 12) {
+ top_slot <<= 1;
+ ++curr_size;
+ }
+ }
+ }
+ }
+ break;
+
+ /* Restore to background color. The area used by the graphic must be restored to the background color. */
+ case 2:
+ while (rowcount < orghgt) {
+ if ((sp - dstack) > 0) {
+ spCount = sp - dstack;
+ }
+ while (sp > dstack) {
+ --sp;
+ *bufptr++ = *sp;
+
+ if (--bufcnt == 0) {
+ /********************************************************************************
+ if ((ret = put_line(rowcount++, bufptr - buf, WDT, buf, pBitmapElem->pBits)) < 0)
+ ********************************************************************************/
+ rowcount++;
+ len = bufptr - buf;
+ if (len >= orgwdt) {
+ len = orgwdt;
+ }
+
+ if (interLaced == 0) { /* interlaced image */
+ if (!flag) {
+ out_x = 0, out_y += dechgt;
+ }
+ } else { /* interlaced image */
+ if (inter_step == 1) {
+ startloc += 8;
+ } else if (inter_step == 2) {
+ startloc += 8;
+ } else if (inter_step == 3) {
+ startloc += 4;
+ } else if (inter_step == 4) {
+ startloc += 2;
+ }
+
+ if (startloc >= orghgt + image_top_pos) {
+ inter_step++;
+ if (inter_step == 2) {
+ startloc = 4 + image_top_pos;
+ } else if (inter_step == 3) {
+ startloc = 2+image_top_pos;
+ } else if (inter_step == 4) {
+ startloc = 1+image_top_pos;
+ }
+ }
+ backGround = (unsigned int *)(pFrameData->pPrevImg + ((startloc * logi_wdt) << 2));
+ /* gif to rgb 565 */
+ if (flag) {
+ pImage32 = (unsigned int *)(pDecBuf) + startloc * decwdt;
+ } else {
+ out_x = 0, out_y = startloc * dechgt;
+ a_x = logi_wdt >> 2;
+ b_x = ((logi_wdt*3) >> 2);
+ c_x = logi_wdt>>2;
+ d_x = ((logi_wdt*3) >> 2);
+ if (out_y <= (logi_hgt >> 2)) {
+ a_y = logi_hgt>>2;
+ b_y = logi_hgt>>2;
+ c_y = ((logi_hgt*3)>>2);
+ d_y = ((logi_hgt*3)>>2);
+ } else {
+ if (((out_y % logi_hgt) - (logi_hgt >> 2)) > 0) {
+ a_y = ((out_y/logi_hgt)+1) * logi_hgt + (logi_hgt >> 2);
+ } else if (((out_y%logi_hgt) - (logi_hgt >> 2)) < 0 || !(out_y%logi_hgt)) {
+ a_y = ((out_y/logi_hgt)) * logi_hgt + (logi_hgt >> 2);
+ } else {
+ a_y = out_y;
+ }
+
+ if (((out_y%logi_hgt) - ((logi_hgt*3) >> 2)) > 0) {
+ c_y = ((out_y/logi_hgt+1) * logi_hgt + ((logi_hgt*3) >> 2));
+ } else if (((out_y%logi_hgt) - ((logi_hgt*3) >> 2)) < 0 || !(out_y%logi_hgt)) {
+ c_y = ((out_y/logi_hgt)) * logi_hgt + ((logi_hgt*3) >> 2);
+ } else {
+ c_y = out_y;
+ }
+ b_y = a_y, d_y = c_y;
+ }
+ }
+ }
+
+ if (transparent == 1) {
+ if (flag) {
+ for (i = 0; i < image_left_pos; i++) {
+ *pImage32++ = backGround[i] << 2;
+ }
+ for (i = 0; i < len; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ if (val1 == transIndex) {
+ *pImage32++ = backGround[i+image_left_pos] << 2;
+ backGround[i+image_left_pos] = 0x1000000;
+ } else {
+ *pImage32++ = pDacbox[val1] << 2;
+ backGround[i+image_left_pos] = 0x1000000;
+ }
+ }
+ for (i = orgwdt+image_left_pos; i < logi_wdt; i++) {
+ *pImage32++ = backGround[i] << 2;
+ }
+ } else {
+ if (c_y < end) {
+ d1 = a_y - out_y;
+ d2 = c_y - out_y;
+ if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i+image_left_pos];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i+image_left_pos];
+ a_x += logi_wdt, c_x += logi_wdt;
+ } else {
+ *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
+ *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i+image_left_pos];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i+image_left_pos];
+ b_x += logi_wdt, d_x += logi_wdt;
+ } else {
+ *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
+ *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ }
+ backGround[i+image_left_pos] = 0x1000000;
+ out_x += decwdt;
+ }
+
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+
+ if (!interLaced) {
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ } else if (0 <= d1 && d1 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i+image_left_pos];
+ a_x += logi_wdt;
+ } else {
+ *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
+ a_x += logi_wdt;
+ }
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i+image_left_pos];
+ b_x += logi_wdt;
+ } else {
+ *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
+ b_x += logi_wdt;
+ }
+ }
+ backGround[i+image_left_pos] = 0x1000000;
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ if (!interLaced) {
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ }
+ } else if (0 <= d2 && d2 < dechgt) {
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i+image_left_pos];
+ c_x += logi_wdt;
+ } else {
+ *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
+ c_x += logi_wdt;
+ }
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i+image_left_pos];
+ d_x += logi_wdt;
+ } else {
+ *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
+ d_x += logi_wdt;
+ }
+ }
+ backGround[i+image_left_pos] = 0x1000000;
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ if (!interLaced) {
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ }
+ }
+ }
+ } else {
+ if (flag) {
+ for (i = 0; i < image_left_pos; i++) {
+ *pImage32++ = backGround[i]<<2;
+ }
+ for (i = 0; i < len; i++) {
+ val1 = buf[i] & (numcolors-1);
+ *pImage32++ = pDacbox[val1] << 2;
+ backGround[i+image_left_pos] = backcolor888;
+ }
+ for (i = orgwdt+image_left_pos; i < logi_wdt; i++) {
+ *pImage32++ = backGround[i] << 2;
+ }
+ } else {
+ if (c_y < end) {
+ d1 = a_y - out_y;
+ d2 = c_y - out_y;
+ if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
+ *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
+ a_x += logi_wdt, c_x += logi_wdt;
+ backGround[i+image_left_pos] = backcolor888;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
+ *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
+ b_x += logi_wdt, d_x += logi_wdt;
+ backGround[i+image_left_pos] = backcolor888;
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ if (!interLaced) {
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ } else if (0 <= d1 && d1 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
+ a_x += logi_wdt;
+ backGround[i+image_left_pos] = backcolor888;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
+ b_x += logi_wdt;
+ backGround[i+image_left_pos] = backcolor888;
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ if (!interLaced) {
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ }
+ } else if (0 <= d2 && d2 < dechgt) {
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
+ c_x += logi_wdt;
+ backGround[i+image_left_pos] = backcolor888;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
+ d_x += logi_wdt;
+ backGround[i+image_left_pos] = backcolor888;
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ if (!interLaced) {
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ }
+ }
+ }
+ }
+
+ backGround += logi_wdt;
+ bufptr = buf;
+ bufcnt = orgwdt_1;
+ }
+ }
+
+ if (rowcount == orghgt) {
+ break;
+ }
+ /* __get_next_code(pInputStream) */
+ if (navail_bytes < 2) {
+ if (nbits_left == 0)
+ __get_next_code_first_nbits_left_0(pInputStream)
+ else
+ __get_next_code_first_nbits_left_not_0(pInputStream)
+ __get_next_code_first_while(pInputStream)
+ } else {
+ if (nbits_left == 0)
+ __get_next_code_second_nbits_left_0(pInputStream)
+ else
+ __get_next_code_second_nbits_left_not_0(pInputStream)
+
+ __get_next_code_second_while(pInputStream)
+ }
+ if (c == ending) {
+ break;
+ }
+
+ if (c == clear) {
+ curr_size = size + 1;
+ slot = newcodes;
+ top_slot = 1 << curr_size;
+
+ do {
+ /* __get_next_code(pInputStream); */
+ if (navail_bytes < 2) {
+ if (nbits_left == 0)
+ __get_next_code_first_nbits_left_0(pInputStream)
+ else
+ __get_next_code_first_nbits_left_not_0(pInputStream)
+ __get_next_code_first_while(pInputStream)
+ } else {
+ if (nbits_left == 0)
+ __get_next_code_second_nbits_left_0(pInputStream)
+ else
+ __get_next_code_second_nbits_left_not_0(pInputStream)
+
+ __get_next_code_second_while(pInputStream)
+ }
+ } while (c == clear);
+
+ if (c == ending) {
+ break;
+ }
+
+ if (c >= slot) {
+ c = 0;
+ }
+
+ oc = fc = c;
+
+ *sp++ = (unsigned char)c;
+ } else {
+ code = c;
+
+ if (code >= slot) {
+ code = oc;
+ *sp++ = (unsigned char)fc;
+ }
+
+ while (code >= newcodes) {
+ *sp++ = suffix[code];
+ code = prefix[code];
+ }
+
+ *sp++ = (unsigned char)code;
+ spCount++;
+ if (slot < top_slot) {
+ fc = code;
+ suffix[slot] = (unsigned char)fc;
+ prefix[slot++] = oc;
+ oc = c;
+ }
+ if (slot >= top_slot) {
+ if (curr_size < 12) {
+ top_slot <<= 1;
+ ++curr_size;
+ }
+ }
+ }
+
+ }
+
+ break;
+
+
+ /* No disposal specified. The decoder is not required to take any action */
+ case 0:
+
+ /* Do not dispose. The graphic is to be left in place. */
+ case 1:
+
+ default:
+ while (rowcount < orghgt) {
+ if ((sp - dstack) > 0) {
+ spCount = sp - dstack;
+ }
+ /* Now that we've pushed the decoded string (in reverse order)
+ * onto the stack, lets pop it off and put it into our decode
+ * buffer... And when the decode buffer is full, write another
+ * line...
+ */
+ while (sp > dstack) {
+ --sp;
+ *bufptr++ = *sp;
+
+ if (--bufcnt == 0) {
+ /**********************************************************************************
+ if ((ret = put_line(rowcount++, bufptr - buf, WDT, buf, pBitmapElem->pBits)) < 0)
+ **********************************************************************************/
+ rowcount++;
+ len = bufptr - buf;
+ if (len >= orgwdt) {
+ len = orgwdt;
+ }
+
+ if (interLaced == 0) { /* interlaced image */
+ if (!flag) {
+ out_x = 0, out_y += dechgt;
+ }
+ } else { /* interlaced image */
+ if (inter_step == 1) {
+ startloc += 8;
+ intercount++;
+ } else if (inter_step == 2) {
+ startloc += 8;
+ intercount++;
+ } else if (inter_step == 3) {
+ startloc += 4;
+ intercount++;
+ } else if (inter_step == 4) {
+ startloc += 2;
+ intercount++;
+ }
+
+ if (startloc >= orghgt+image_top_pos) {
+ inter_step++;
+ if (inter_step == 2) {
+ startloc = 4+image_top_pos;
+ } else if (inter_step == 3) {
+ startloc = 2+image_top_pos;
+ } else if (inter_step == 4) {
+ startloc = 1+image_top_pos;
+ }
+ }
+
+ backGround = (unsigned int *)(pFrameData->pPrevImg + ((startloc * logi_wdt) << 2));
+ /* gif to rgb 565 */
+ if (flag) {
+ pImage32 = (unsigned int *)(pDecBuf) + startloc * decwdt;
+ } else {
+ out_x = 0, out_y = startloc * dechgt;
+ a_x = logi_wdt >> 2;
+ b_x = ((logi_wdt*3) >> 2);
+ c_x = logi_wdt >> 2;
+ d_x = ((logi_wdt*3) >> 2);
+ if (out_y <= (logi_hgt >> 2)) {
+ a_y = logi_hgt >> 2;
+ b_y = logi_hgt >> 2;
+ c_y = ((logi_hgt*3) >> 2);
+ d_y = ((logi_hgt*3) >> 2);
+ } else {
+ if (((out_y%logi_hgt) - (logi_hgt >> 2)) > 0) {
+ a_y = ((out_y/logi_hgt)+1) * logi_hgt + (logi_hgt >> 2);
+ } else if (((out_y%logi_hgt) - (logi_hgt >> 2)) < 0 || !(out_y%logi_hgt)) {
+ a_y = ((out_y/logi_hgt)) * logi_hgt + (logi_hgt >> 2);
+ } else {
+ a_y = out_y;
+ }
+
+ if (((out_y%logi_hgt) - ((logi_hgt*3) >> 2)) > 0) {
+ c_y = ((out_y/logi_hgt+1) * logi_hgt + ((logi_hgt*3) >> 2));
+ } else if (((out_y%logi_hgt) - ((logi_hgt*3) >> 2)) < 0 || !(out_y%logi_hgt)) {
+ c_y = ((out_y/logi_hgt)) * logi_hgt + ((logi_hgt*3) >> 2);
+ } else {
+ c_y = out_y;
+ }
+ b_y = a_y, d_y = c_y;
+ }
+ }
+ }
+
+ if (transparent == 1) {
+ if (flag) {
+ for (i = 0; i < image_left_pos; i++) {
+ *pImage32++ = backGround[i] << 2;
+ }
+ for (i = 0; i < len; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ if (val1 == transIndex) {
+ *pImage32++ = backGround[i+image_left_pos] << 2; /* Set *pImage32 MSB 1 */
+ } else {
+ *pImage32++ = pDacbox[val1] << 2;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ }
+ for (i = orgwdt+image_left_pos; i < logi_wdt; i++) {
+ *pImage32++ = backGround[i] << 2;
+ }
+ } else {
+ if (c_y < end) {
+ d1 = a_y - out_y;
+ d2 = c_y - out_y;
+ if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i+image_left_pos];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i+image_left_pos];
+ a_x += logi_wdt, c_x += logi_wdt;
+ } else {
+ *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
+ *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
+ a_x += logi_wdt, c_x += logi_wdt;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i+image_left_pos];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i+image_left_pos];
+ b_x += logi_wdt, d_x += logi_wdt;
+ } else {
+ *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
+ *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
+ b_x += logi_wdt, d_x += logi_wdt;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ }
+ out_x += decwdt;
+ }
+
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+
+ if (!interLaced) {
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ } else if (0 <= d1 && d1 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i+image_left_pos];
+ a_x += logi_wdt;
+ } else {
+ *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
+ a_x += logi_wdt;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i+image_left_pos];
+ b_x += logi_wdt;
+ } else {
+ *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
+ b_x += logi_wdt;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ if (!interLaced) {
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ }
+ } else if (0 <= d2 && d2 < dechgt) {
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i+image_left_pos];
+ c_x += logi_wdt;
+ } else {
+ *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
+ c_x += logi_wdt;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ if (val1 == transIndex) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i+image_left_pos];
+ d_x += logi_wdt;
+ } else {
+ *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
+ d_x += logi_wdt;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ if (!interLaced) {
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ }
+ }
+ }
+ } else {
+ if (flag) {
+ for (i = 0; i < image_left_pos; i++) {
+ *pImage32++ = backGround[i] << 2;
+ }
+ for (i = 0; i < len; i++) {
+ val1 = buf[i] & (numcolors-1);
+ *pImage32++ = pDacbox[val1] << 2;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ for (i = orgwdt+image_left_pos; i < logi_wdt; i++) {
+ *pImage32++ = backGround[i] << 2;
+ }
+ } else {
+ if (c_y < end) {
+ d1 = a_y - out_y;
+ d2 = c_y - out_y;
+ if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
+ *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
+ a_x += logi_wdt, c_x += logi_wdt;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
+ *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
+ b_x += logi_wdt, d_x += logi_wdt;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ if (!interLaced) {
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ } else if (0 <= d1 && d1 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
+ a_x += logi_wdt;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
+ b_x += logi_wdt;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ if (!interLaced) {
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ }
+ } else if (0 <= d2 && d2 < dechgt) {
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < image_left_pos; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ for (i = 0; i < orgwdt; i++) {
+ val1 = buf[i] & (numcolors-1);
+
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
+ c_x += logi_wdt;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
+ d_x += logi_wdt;
+ backGround[i+image_left_pos] = pDacbox[val1];
+ }
+ out_x += decwdt;
+ }
+ for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+
+ }
+ if (!interLaced) {
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ }
+ }
+ }
+ }
+
+ backGround += logi_wdt;
+ bufptr = buf;
+ bufcnt = orgwdt_1;
+ }
+ }
+ if (rowcount == orghgt) {
+ break;
+ }
+ /* __get_next_code(pInputStream) */
+ if (navail_bytes < 2) {
+ if (nbits_left == 0)
+ __get_next_code_first_nbits_left_0(pInputStream)
+ else
+ __get_next_code_first_nbits_left_not_0(pInputStream)
+ __get_next_code_first_while(pInputStream)
+ } else {
+ if (nbits_left == 0)
+ __get_next_code_second_nbits_left_0(pInputStream)
+ else
+ __get_next_code_second_nbits_left_not_0(pInputStream)
+
+ __get_next_code_second_while(pInputStream)
+ }
+ if (c == ending) {
+ break;
+ }
+
+ if (c == clear) {
+ curr_size = size + 1;
+ slot = newcodes;
+ top_slot = 1 << curr_size;
+
+ do {
+ /* __get_next_code(pInputStream); */
+ if (navail_bytes < 2) {
+ if (nbits_left == 0)
+ __get_next_code_first_nbits_left_0(pInputStream)
+ else
+ __get_next_code_first_nbits_left_not_0(pInputStream)
+ __get_next_code_first_while(pInputStream)
+ } else {
+ if (nbits_left == 0)
+ __get_next_code_second_nbits_left_0(pInputStream)
+ else
+ __get_next_code_second_nbits_left_not_0(pInputStream)
+
+ __get_next_code_second_while(pInputStream)
+ }
+ } while (c == clear);
+
+ if (c == ending) {
+ break;
+ }
+
+ if (c >= slot) {
+ c = 0;
+ }
+
+ oc = fc = c;
+
+ *sp++ = (unsigned char)c;
+ } else {
+ code = c;
+
+ if (code >= slot) {
+ code = oc;
+ *sp++ = (unsigned char)fc;
+ }
+
+ while (code >= newcodes) {
+ *sp++ = suffix[code];
+ code = prefix[code];
+ }
+
+ *sp++ = (unsigned char)code;
+ spCount++;
+ if (slot < top_slot) {
+ fc = code;
+ suffix[slot] = (unsigned char)fc;
+ prefix[slot++] = oc;
+ oc = c;
+ }
+ if (slot >= top_slot) {
+ if (curr_size < 12) {
+ top_slot <<= 1;
+ ++curr_size;
+ }
+ }
+ }
+ }
+
+ break;
+ }
+
+ if (interLaced) {
+ startloc = orghgt+image_top_pos;
+ pImage32 = (unsigned int *)(pDecBuf) + startloc * decwdt;
+ if (!flag) {
+ out_x = 0, out_y = startloc * dechgt;
+ a_x = logi_wdt >> 2;
+ b_x = ((logi_wdt*3) >> 2);
+ c_x = logi_wdt >> 2;
+ d_x = ((logi_wdt*3) >> 2);
+ if (out_y <= (logi_hgt >> 2)) {
+ a_y = logi_hgt >> 2;
+ b_y = logi_hgt >> 2;
+ c_y = ((logi_hgt*3) >> 2);
+ d_y = ((logi_hgt*3) >> 2);
+ } else {
+ if (((out_y%logi_hgt) - (logi_hgt >> 2)) > 0) {
+ a_y = ((out_y/logi_hgt)+1) * logi_hgt + (logi_hgt >> 2);
+ } else if (((out_y%logi_hgt) - (logi_hgt >> 2)) < 0 || !(out_y%logi_hgt)) {
+ a_y = ((out_y/logi_hgt)) * logi_hgt + (logi_hgt >> 2);
+ } else {
+ a_y = out_y;
+ }
+
+ if (((out_y%logi_hgt) - ((logi_hgt*3) >> 2)) > 0) {
+ c_y = ((out_y/logi_hgt+1) * logi_hgt + ((logi_hgt*3) >> 2));
+ } else if (((out_y%logi_hgt) - ((logi_hgt*3) >> 2)) < 0 || !(out_y%logi_hgt)) {
+ c_y = ((out_y/logi_hgt)) * logi_hgt + ((logi_hgt*3) >> 2);
+ } else {
+ c_y = out_y;
+ }
+ b_y = a_y, d_y = c_y;
+ }
+ }
+ out_y -= dechgt;
+ }
+
+ backGround = (unsigned int *)(pFrameData->pPrevImg + (((image_top_pos+orghgt) * logi_wdt) << 2));
+ for (rowcount = image_top_pos+orghgt; rowcount < logi_hgt; rowcount++) {
+ if (flag) {
+ for (i = 0; i < logi_wdt; i++) {
+ *pImage32++ = backGround[i] << 2;
+ }
+ } else {
+ out_x = 0, out_y += dechgt;
+ if (c_y < end) {
+ d1 = a_y - out_y;
+ d2 = c_y - out_y;
+ if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt, c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt, d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ } else if (0 <= d1 && d1 < dechgt) {
+ pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
+ for (i = 0; i < logi_wdt; i++) {
+ d1 = a_x - out_x;
+ d2 = b_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32 + (a_x/logi_wdt)) += backGround[i];
+ a_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32 + (b_x/logi_wdt)) += backGround[i];
+ b_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ a_x = logi_wdt >> 2, a_y += logi_hgt;
+ b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
+ } else if (0 <= d2 && d2 < dechgt) {
+ pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
+ for (i = 0; i < logi_wdt; i++) {
+ d1 = c_x - out_x;
+ d2 = d_x - out_x;
+ if (0 <= d1 && d1 < decwdt) {
+ *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
+ c_x += logi_wdt;
+ }
+ if (0 <= d2 && d2 < decwdt) {
+ *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
+ d_x += logi_wdt;
+ }
+ out_x += decwdt;
+ }
+ c_x = logi_wdt >> 2, c_y += logi_hgt;
+ d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
+ }
+ }
+ }
+ backGround += logi_wdt;
+ }
+
+
+ if (bCenterAlign) {
+ margin_wdt1_2 = (expected_width - resized_width) >> 1;
+ margin_hgt1_2 = (expected_height - resized_height) >> 1;
+ } else {
+ margin_wdt1_2 = 0;
+ margin_hgt1_2 = 0;
+ }
+
+
+ /* 565 Conversion */
+ pImage32 = (unsigned int *)(pDecBuf);
+
+ for (i = 0, k = margin_hgt1_2; i < dechgt; i++) {
+ pImage16 = (unsigned short *)((unsigned char *)pOutBits + ((margin_wdt1_2 + (expected_width) * k) << 1));
+ for (j = 0; j < decwdt; j++) {
+ if ((*pImage32>>24) == 0) {
+ *(pImage16++) = ((*pImage32 & 0xf80000) >> 8) | ((*pImage32 & 0xfc00) >> 5) | ((*pImage32 & 0xf8) >> 3);
+ } else if ((*pImage32 >> 24) == 1) {
+ *(pImage16++) = (((*pImage32 & 0xf80000) >> 6) / 3) | (((*pImage32 & 0xfc00) >> 3)/3) | (((*pImage32 & 0xf8) >> 1)/3);
+ } else if ((*pImage32 >> 24) == 2) {
+ *(pImage16++) = ((*pImage32 & 0xf80000) >> 7) | ((*pImage32 & 0xfc00) >> 4) | ((*pImage32 & 0xf8) >> 2);
+ } else {
+ *(pImage16++) = ui_backcolor565;
+ }
+ pImage32++;
+ }
+ k++;
+ }
+
+ if (decoderline) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+
+ pFrameData->offset = inputPos;
+ pFrameData->imgCount++;
+
+ return 1;
+
+ break;
+
+ default:
+ break;
+
+ }
+ }
+}