diff options
| author | Taeksu Shin <taeksu.shin@samsung.com> | 2012-08-21 18:39:39 +0900 |
|---|---|---|
| committer | Taeksu Shin <taeksu.shin@samsung.com> | 2012-08-21 18:39:39 +0900 |
| commit | 2742d6ca5da37180225fab6ef8bf55467956d25c (patch) | |
| tree | c850c3679b282551927505d3162e6c60118d0609 /lib/epson-escpage-mono.c | |
| parent | b5dc236b1575fe5846d01881893b3aaef43ecbcc (diff) | |
| download | epson-inkjet-printer-escpr-6d43a6c7dff7368165f237cef22d0231d977484b.tar.gz epson-inkjet-printer-escpr-6d43a6c7dff7368165f237cef22d0231d977484b.tar.bz2 epson-inkjet-printer-escpr-6d43a6c7dff7368165f237cef22d0231d977484b.zip | |
Diffstat (limited to 'lib/epson-escpage-mono.c')
| -rw-r--r-- | lib/epson-escpage-mono.c | 1551 |
1 files changed, 1551 insertions, 0 deletions
diff --git a/lib/epson-escpage-mono.c b/lib/epson-escpage-mono.c new file mode 100644 index 0000000..beb9246 --- /dev/null +++ b/lib/epson-escpage-mono.c @@ -0,0 +1,1551 @@ +/*_______________________________ epson-escpage-mono.c ______________________________*/
+
+/* 1 2 3 4 5 6 7 8 */
+/*34567890123456789012345678901234567890123456789012345678901234567890123456789012345678*/
+/*******************************************|********************************************/
+/*
+ * Copyright (c) 2010 Seiko Epson Corporation All rights reserved.
+ *
+ * Copyright protection claimed includes all forms and matters of
+ * copyrightable material and information now allowed by statutory or judicial
+ * law or hereinafter granted, including without limitation, material generated
+ * from the software programs which are displayed on the screen such as icons,
+ * screen display looks, etc.
+ *
+ */
+
+/*------------------------------------ Includes -------------------------------------*/
+/*******************************************|********************************************/
+#include "epson-escpr-err.h"
+#include "epson-escpr-media.h"
+#include "epson-escpr-mem.h"
+#include "epson-escpage.h"
+#include "epson-escpage-mono.h"
+
+/*----------------------------- Local Macro Definitions -------------------------------*/
+/*******************************************|********************************************/
+#ifdef EPS_LOG_MODULE_PAGE
+#define EPS_LOG_MODULE EPS_LOG_MODULE_PAGE
+#else
+#define EPS_LOG_MODULE 0
+#endif
+
+/*-------------------------------- ESC/PAGE commands ----------------------------------*/
+/*******************************************|********************************************/
+const static EPS_UINT8 sbCR[] = {0x0D}; /* Carriage return "CR" */
+const static EPS_UINT8 sbFF[] = {0x0C}; /* Form Feed "FF" */
+const static EPS_UINT8 sbIP[] = {0x1D, 'r', 'h', 'E'}; /* Initialize printer */
+const static EPS_UINT8 sbSU150[] = {0x1D, '0', ';', '.', '4', '8', 'm', 'u', 'E'}; /* Set unit to 150 */
+const static EPS_UINT8 sbSU300[] = {0x1D, '0', ';', '.', '2', '4', 'm', 'u', 'E'}; /* Set unit to 300 */
+const static EPS_UINT8 sbSU600[] = {0x1D, '0', ';', '.', '1', '2', 'm', 'u', 'E'}; /* Set unit to 600 */
+
+const static EPS_UINT8 sbPSSL[] = {0x1D, '3', '0', 'p', 's', 'E'}; /* Set Letter paper */
+const static EPS_UINT8 sbPSSA4[] = {0x1D, '1', '4', 'p', 's', 'E'}; /* Set A4 paper */
+const static EPS_UINT8 sbPSSB5[] = {0x1D, '2', '5', 'p', 's', 'E'}; /* Set B5 paper */
+const static EPS_UINT8 sbPSSLE[] = {0x1D, '3', '2', 'p', 's', 'E'}; /* Set Legal paper */
+const static EPS_UINT8 sbPSSA3[] = {0x1D, '1', '3', 'p', 's', 'E'}; /* Set A3 paper */
+const static EPS_UINT8 sbPSSB4[] = {0x1D, '2', '4', 'p', 's', 'E'}; /* Set B4 paper */
+const static EPS_UINT8 sbPSSPS[] = {0x1D, '3', '8', 'p', 's', 'E'}; /* Set B4 paper */
+
+const static EPS_UINT8 sbPTE0[] = {0x1D, '0', 'p', 't', 'E'}; /* select paper type 0:other */
+const static EPS_UINT8 sbPTE1[] = {0x1D, '1', 'p', 't', 'E'}; /* select paper type 1:plane */
+
+const static EPS_UINT8 sbCMS[] = {0x1D, '1', 'c', 'm', 'E'}; /* Clip Mode Set */
+const static EPS_UINT8 sbSDS150[] = {0x1D, '0', ';', '1', '5', '0', ';', '1', '5', '0', 'd', 'r', 'E'}; /* Select Dot Size(150) */
+const static EPS_UINT8 sbSDS300[] = {0x1D, '0', ';', '3', '0', '0', ';', '3', '0', '0', 'd', 'r', 'E'}; /* Select Dot Size(300) */
+const static EPS_UINT8 sbSDS600[] = {0x1D, '0', ';', '6', '0', '0', ';', '6', '0', '0', 'd', 'r', 'E'}; /* Select Dot Size(600) */
+
+const static EPS_UINT8 sbMMS[] = {0x1D, '0', 'm', 'm', 'E'}; /* Select Page memory mode */
+const static EPS_UINT8 sbPDS[] = {0x1D, '0', 'p', 'o', 'E'}; /* Set paper direction to normal */
+const static EPS_UINT8 sbACRLFS[] = {0x1D, '0', 'a', 'l', 'f', 'P'}; /* Does not perform auto carriage return */
+const static EPS_UINT8 sbAFFS[] = {0x1D, '0', 'a', 'f', 'f', 'P'}; /* Does not perform auto Form Feed */
+const static EPS_UINT8 sbABPS[] = {0x1D, '0', 'a', 'b', 'P'}; /* Set current position to 0 after bit image draw */
+const static EPS_UINT8 sbSARGAS[] = {0x1D, '0', 's', 'a', 'r', 'G'}; /* Set Absolute Graph Coordinate mode */
+const static EPS_UINT8 sbPMPPS[] = {0x1D, '1', 'p', 'm', 'P'}; /* Set current move mode to print pitch mode */
+
+const static EPS_UINT8 sbSPRCS[] = {0x1D, '1', '6', '0', 'i', 's', 'E'}; /* Screen Pattern Record Count set to 160 */
+const static EPS_UINT8 sbFASCS[] = {0x1D, '7', 'i', 'a', 'F'}; /* Font Attribute Store Count set to 7 */
+const static EPS_UINT8 sbCPSCS[] = {0x1D, '5', 'i', 'p', 'P'}; /* Current Position Store Count set to 5 */
+const static EPS_UINT8 sbMRCS[] = {0x1D, '1', '6', '0', 'i', 'm', 'M'}; /* Macro Record Store Count set to 160 */
+const static EPS_UINT8 sbBIRCS[] = {0x1D, '2', '3', '2', '8', 'i', 'b', 'I'}; /* Bit Image Count Store Count set to 2328 */
+const static EPS_UINT8 sbBIOS[] = {0x1D, '0', 'b', 'o', 'P'}; /* Set the bit image drawing offset to 0 */
+const static EPS_UINT8 sbILGS[] = {0x1D, '1', '6', '0', 'i', 'l', 'G'}; /* Set line type record count to 160 */
+const static EPS_UINT8 sbTSESS[] = {0x1D, '1', 't', 's', 'E'}; /* Set Screen Mode */
+const static EPS_UINT8 sbSPES[] = {0x1D, '1', ';', '0', ';', '1', '0', '0', 's', 'p', 'E'}; /* Set Screen Pattern */
+const static EPS_UINT8 sbOWES[] = {0x1D, '2', 'o', 'w', 'E'}; /* Set Superimpose Mode */
+const static EPS_UINT8 sbBCI1S[] = {0x1D, '1', 'b', 'c', 'I'}; /* Select Data compression type #1 */
+const static EPS_INT8 sbBID[] = "\x1D""%d;%d;1;0bi{I"; /* Output data */
+
+/*----------------------------- Local Macro Definitions -------------------------------*/
+/*******************************************|********************************************/
+#define EPS_EJL_LINEMAX (256)
+#define EPS_PAGE_CMDBUFF_SIZE EPS_EJL_LINEMAX
+
+#define EMIT_TIFF_REPEAT(n, x) \
+{ \
+ nRowTIFF += 3; \
+ if (RowTIFF) \
+ { \
+ *RowTIFF++ = x; \
+ *RowTIFF++ = x; \
+ *RowTIFF++ = (EPS_UINT8)n; \
+ } \
+}
+
+#define EMIT_TIFF_LITERAL(n, p) \
+{ \
+ nRowTIFF += n; \
+ if (RowTIFF) \
+ { \
+ memcpy(RowTIFF, p, n); \
+ RowTIFF += n; \
+ } \
+}
+
+#define TIFF_MAXIMUM_LITERAL 128
+#define TIFF_MAXIMUM_REPEAT 129
+
+#define CALCULATE_INTENSITY(r,g,b) (((((b)<<8) * 11)/100 + (((g)<<8) * 59)/100 + (((r)<<8) * 30)/100)/256)
+#define MAX_8 ((1 << 8) - 1)
+#define DOT_K 100
+#define E_MAX (1 << 13)
+#define E_MID (E_MAX >> 1)
+
+/* The following table is used to convert a from an intensity we desire */
+/* to an intensity to tell the device. It is calibrated for the */
+/* error-diffusion code. */
+const EPS_UINT8 Intensity2Intensity[256] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 4, 5, 6, 7, 8,
+ 9, 9, 10, 10, 11, 12, 12, 13, 13, 14, 14, 14, 15, 15, 16, 16,
+ 16, 17, 17, 17, 18, 18, 19, 19, 19, 20, 20, 21, 21, 21, 22, 22,
+ 22, 23, 23, 23, 24, 24, 24, 25, 25, 25, 26, 26, 26, 27, 27, 27,
+ 27, 28, 28, 28, 29, 30, 31, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 41, 42, 43, 44, 44, 45, 46, 47, 47, 48, 48, 49, 49, 49,
+ 50, 50, 50, 51, 51, 51, 52, 52, 52, 53, 53, 54, 54, 54, 55, 55,
+ 55, 56, 56, 56, 57, 57, 58, 59, 59, 60, 60, 61, 61, 62, 63, 64,
+ 64, 65, 65, 65, 66, 66, 67, 67, 68, 68, 69, 70, 70, 71, 72, 73,
+ 74, 75, 76, 76, 77, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87,
+ 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,100,101,103,104,
+ 105,106,108,109,110,112,113,114,115,116,118,120,122,124,126,128,
+ 130,132,134,136,138,140,142,144,146,148,150,152,154,156,158,159,
+ 160,162,164,165,166,168,170,172,173,174,176,178,180,182,184,186,
+ 188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,
+ 220,222,224,226,228,230,232,234,236,238,240,242,244,248,252,255
+};
+
+/* Used in color correction */
+const static EPS_INT32 BitMask[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
+
+
+/*--------------------------- Data Structure Declarations ---------------------------*/
+/*******************************************|********************************************/
+/* Band data */
+typedef struct _tagEPS_PAGE_BAND_M_ {
+ EPS_INT32 WidthInBytes;
+ EPS_INT32 WidthInPixels;
+ EPS_INT32 currentWidthInPixels;
+ EPS_UINT8 *pRasterData;
+ EPS_UINT8 *pIntensity;
+ EPS_INT32 encDataSize;
+ EPS_UINT8 *pEncData;
+ EPS_UINT8 *pZeroRow;
+}EPS_PAGE_BAND_M;
+
+/* Error Diffusion */
+typedef struct tagHT_PARAM{
+ EPS_INT32 iDK;
+ EPS_INT16 *pEK;
+ EPS_INT32 iOrder;
+ EPS_INT32 iScanPels;
+} HT_PARAM;
+
+
+/*---------------------------- ESC/P-R Lib Global Variables --------------------------*/
+/*******************************************|********************************************/
+extern EPS_CMN_FUNC epsCmnFnc;
+extern EPS_PRINT_JOB printJob;
+
+/*---------------------------------- Local Variables --------------------------------*/
+/*******************************************|********************************************/
+static EPS_PAGE_BAND_M band;
+static EPS_COMMAND_BUFFER cmdBuf;
+static EPS_UINT8* Palette2DeviceIntensity = NULL;
+static EPS_INT32 iRow = 0;
+static EPS_INT32 iNumBytes = 0;
+static EPS_INT32 iNumDots = 0;
+static EPS_INT32 pageCount = 0; /* Current Page number */
+
+#if EPS_PAGE_HT_ERR_DIFFUSION
+HT_PARAM htParam;
+#else
+EPS_UINT8 * pP = 0;
+EPS_INT32 iOrder;
+EPS_INT32 iScanPels;
+#endif
+
+/*-------------------------- Local Functions Declaration ----------------------------*/
+/*******************************************|********************************************/
+static EPS_ERR_CODE CmdBuffInit (EPS_COMMAND_BUFFER *pCmdBuff);
+static EPS_ERR_CODE CmdBuffGrow (EPS_COMMAND_BUFFER *pCmdBuff, EPS_INT32 addSize);
+static void CmdBuffTerm (EPS_COMMAND_BUFFER *pCmdBuff);
+
+static void ConvertBYTE2Intensity (const EPS_BANDBMP* pInBmp, EPS_PAGE_BAND_M *pBand);
+static EPS_ERR_CODE ConvertPaletteToIntensity(EPS_UINT16 paletteSize, EPS_UINT8 *paletteData);
+
+static EPS_ERR_CODE BandInit (EPS_PAGE_BAND_M *pBand, EPS_INT32 widthInPixels);
+static void BandTerm (EPS_PAGE_BAND_M* pBand);
+static void BandEncode (EPS_PAGE_BAND_M* pBand);
+static EPS_ERR_CODE BandEmit (EPS_PAGE_BAND_M *pBand, EPS_INT32 iNByte, EPS_INT32 iNDot);
+
+static EPS_ERR_CODE HT_Init (EPS_INT32 WidthPixels);
+static void HT_End (void);
+static void HT_StartPage (void);
+static void HT_Scan (EPS_UINT8 *Con, EPS_UINT8 *Bin, EPS_INT32 widthInPixels);
+
+static EPS_INT32 DoDeltaRow (EPS_UINT8 *Row, EPS_INT32 nRow, EPS_UINT8 *RowDeltaRow, EPS_UINT8 *Seed);
+
+
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%*/
+/*-------------------- Public Functions ---------------------*/
+/*%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+/*******************************************|********************************************/
+/* */
+/* Function name: pageAllocBuffer_M() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* N/A */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success */
+/* EPS_ERR_MEMORY_ALLOCATION - Fail to memory allocation */
+/* */
+/* Description: */
+/* Allocate buffer for ESC/Page Job. */
+/* */
+/*******************************************|********************************************/
+EPS_ERR_CODE pageAllocBuffer_M(void)
+{
+ EPS_ERR_CODE ret = EPS_ERR_NONE;
+
+ EPS_LOG_FUNCIN
+
+ ret = BandInit(&band, printJob.printableAreaWidth);
+ if ( EPS_ERR_NONE != ret ) {
+ EPS_RETURN( ret )
+ }
+
+ if (printJob.attr.colorPlane == EPS_CP_256COLOR){
+ ret = ConvertPaletteToIntensity(printJob.attr.paletteSize, printJob.attr.paletteData);
+ if ( EPS_ERR_NONE != ret ) {
+ EPS_RETURN( ret )
+ }
+ }
+
+ /* Halftoning Initialization */
+ ret = HT_Init( printJob.printableAreaWidth );
+ if ( EPS_ERR_NONE != ret ) {
+ EPS_RETURN( ret )
+ }
+
+ ret = CmdBuffInit(&cmdBuf);
+
+ EPS_RETURN( ret )
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: pageRelaseBuffer_M() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* N/A */
+/* */
+/* Return value: */
+/* N/A */
+/* */
+/* Description: */
+/* Free buffer for ESC/Page Job. */
+/* */
+/*******************************************|********************************************/
+void pageRelaseBuffer_M(void)
+{
+ EPS_LOG_FUNCIN
+
+ BandTerm(&band);
+
+ EPS_SAFE_RELEASE( Palette2DeviceIntensity );
+
+ CmdBuffTerm(&cmdBuf);
+
+ /* Halftoning Ending process */
+ HT_End();
+
+ EPS_RETURN_VOID
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: pageStartJob_M() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* N/A */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success */
+/* EPS_ERR_MEMORY_ALLOCATION - Fail to memory allocation */
+/* EPS_ERR_OPR_FAIL - Internal Error */
+/* EPS_ERR_COMM_ERROR - Communication Error */
+/* EPS_ERR_PRINTER_ERR_OCCUR - Printer Error happened */
+/* */
+/* Description: */
+/* Send ESC/Page start job commands. */
+/* */
+/*******************************************|********************************************/
+EPS_ERR_CODE pageStartJob_M(void)
+{
+ EPS_ERR_CODE ret = EPS_ERR_NONE;
+ EPS_UINT32 retBufSize = 0;
+
+ EPS_LOG_FUNCIN
+
+#define pgStartJob_ADDCMD(CMD) { \
+ ret = CmdBuffGrow(&cmdBuf, sizeof(CMD) ); \
+ if( EPS_ERR_NONE != ret){EPS_RETURN( ret )} \
+ memcpy(cmdBuf.p + cmdBuf.len, CMD, sizeof(CMD)); \
+ cmdBuf.len += sizeof(CMD); \
+ }
+
+ cmdBuf.len = 0; /* reset */
+
+ ret = ejlStart(&cmdBuf, CmdBuffGrow);
+ if( EPS_ERR_NONE != ret){
+ EPS_RETURN( ret )
+ }
+
+ /* Step 1 - Start Job */
+ /* Initialize the printer. */
+ pgStartJob_ADDCMD(sbIP)
+
+ /* Set the minimum Unit Setting (600 or 300 resolution) */
+ /* Dot Pattern Resolution Selection */
+ if( EPS_IR_600X600 == printJob.attr.inputResolution) {
+ pgStartJob_ADDCMD(sbSU600);
+ pgStartJob_ADDCMD(sbSDS600);
+ } else if(EPS_IR_300X300 == printJob.attr.inputResolution) {
+ pgStartJob_ADDCMD(sbSU300);
+ pgStartJob_ADDCMD(sbSDS300);
+ }else{
+ pgStartJob_ADDCMD(sbSU150);
+ pgStartJob_ADDCMD(sbSDS150);
+ }
+
+ /* Set Memory Mode Selection to Page memory mode */
+ pgStartJob_ADDCMD(sbMMS);
+
+ /* Set Screen Record Count */
+ pgStartJob_ADDCMD(sbSPRCS);
+
+ /* Set Font Attribute Store Count */
+ pgStartJob_ADDCMD(sbFASCS);
+
+ /* Set Current Position Store Count */
+ pgStartJob_ADDCMD(sbCPSCS);
+
+ /* Set Macro Record Store Count */
+ pgStartJob_ADDCMD(sbMRCS);
+
+ /* Set Bit Image Record Store Count */
+ pgStartJob_ADDCMD(sbBIRCS);
+
+ /* Set Paper Size */
+ switch ( printJob.attr.mediaSizeIdx ) {
+ case EPS_MSID_A4: pgStartJob_ADDCMD(sbPSSA4); break;
+ case EPS_MSID_B5: pgStartJob_ADDCMD(sbPSSB5); break;
+ case EPS_MSID_B4: pgStartJob_ADDCMD(sbPSSB4); break;
+ case EPS_MSID_A3: pgStartJob_ADDCMD(sbPSSA3); break;
+ case EPS_MSID_LETTER: pgStartJob_ADDCMD(sbPSSL); break;
+ case EPS_MSID_LEGAL: pgStartJob_ADDCMD(sbPSSLE); break;
+ case EPS_MSID_POSTCARD: pgStartJob_ADDCMD(sbPSSPS); break;
+ default: pgStartJob_ADDCMD(sbPSSA4); break;
+ }
+
+ /* select paper type */
+ if(printJob.attr.mediaTypeIdx == EPS_MTID_PLAIN){
+ pgStartJob_ADDCMD(sbPTE1);
+ }else{
+ pgStartJob_ADDCMD(sbPTE0);
+ }
+
+ /* Set paper direction */
+ pgStartJob_ADDCMD(sbPDS);
+
+ ret = ejlPageEsc(&cmdBuf, CmdBuffGrow);
+ if( EPS_ERR_NONE != ret){
+ EPS_RETURN( ret )
+ }
+
+ /* Set Clip Mode */
+ pgStartJob_ADDCMD(sbCMS);
+
+ /* Does not perform automatic carriage return line feed */
+ pgStartJob_ADDCMD(sbACRLFS);
+
+ /* Does not perform automatic Form Feed */
+ pgStartJob_ADDCMD(sbAFFS);
+
+ /* Set the bit image drawing offset to 0 */
+ pgStartJob_ADDCMD(sbBIOS);
+
+ /* Set current position to 0 after Bit image draw */
+ pgStartJob_ADDCMD(sbABPS);
+
+ /* Set line type record count to 160 */
+ pgStartJob_ADDCMD(sbILGS);
+
+ /* Step 4 - Adjust Vertical Print Position (if necessary) */
+ /* CR */
+ pgStartJob_ADDCMD(sbCR);
+
+ /* Select compression type */
+ pgStartJob_ADDCMD(sbBCI1S);
+
+ /* Set Absolute graph coordinate mode */
+ pgStartJob_ADDCMD(sbSARGAS);
+
+ /* Set current position move mode to print pitch */
+ pgStartJob_ADDCMD(sbPMPPS);
+
+ /* Set Screen Mode */
+ pgStartJob_ADDCMD(sbTSESS);
+
+ /* Set Screen Pattern */
+ pgStartJob_ADDCMD(sbSPES);
+
+ /* Set Screen Pattern */
+ pgStartJob_ADDCMD(sbOWES);
+
+ ret = SendCommand((EPS_UINT8*)cmdBuf.p, cmdBuf.len, &retBufSize, TRUE);
+
+ pageCount = 0;
+
+ EPS_RETURN( ret )
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: pageEndJob_M() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* N/A */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success */
+/* EPS_ERR_MEMORY_ALLOCATION - Fail to memory allocation */
+/* EPS_ERR_OPR_FAIL - Internal Error */
+/* EPS_ERR_COMM_ERROR - Communication Error */
+/* EPS_ERR_PRINTER_ERR_OCCUR - Printer Error happened */
+/* */
+/* Description: */
+/* Send ESC/Page end job commands. */
+/* */
+/*******************************************|********************************************/
+EPS_ERR_CODE pageEndJob_M()
+{
+ EPS_ERR_CODE ret = EPS_ERR_NONE; /* Return status of internal calls */
+ EPS_UINT32 retBufSize = 0;
+
+ EPS_LOG_FUNCIN
+
+ cmdBuf.len = 0; /* reset */
+
+ /* Check empty document */
+ if( iRow != 0 ) {
+ /* Formfeed (FF) */
+ memcpy((EPS_INT8*)cmdBuf.p, sbFF, sizeof(sbFF));
+ cmdBuf.len += sizeof(sbFF);
+
+ /* Send command to initialize the printer. */
+ memcpy((EPS_INT8*)cmdBuf.p+cmdBuf.len, sbIP, sizeof(sbIP));
+ cmdBuf.len += sizeof(sbIP);
+ }
+
+ /*** Make EJL Command ***/
+ ret = ejlEnd(&cmdBuf, CmdBuffGrow, pageCount);
+ if( EPS_ERR_NONE != ret){
+ EPS_RETURN( ret )
+ }
+
+ ret = SendCommand((EPS_UINT8*)cmdBuf.p, cmdBuf.len, &retBufSize, TRUE);
+
+ EPS_RETURN( ret )
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: pageStartPage_M() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* N/A */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success */
+/* EPS_ERR_MEMORY_ALLOCATION - Fail to memory allocation */
+/* EPS_ERR_OPR_FAIL - Internal Error */
+/* EPS_ERR_COMM_ERROR - Communication Error */
+/* EPS_ERR_PRINTER_ERR_OCCUR - Printer Error happened */
+/* */
+/* Description: */
+/* Send ESC/Page start page commands. */
+/* */
+/*******************************************|********************************************/
+EPS_ERR_CODE pageStartPage_M()
+{
+ EPS_ERR_CODE ret = EPS_ERR_NONE;
+ EPS_UINT32 retBufSize = 0;
+
+ EPS_LOG_FUNCIN
+
+ HT_StartPage();
+ iRow = 0;
+
+ if (pageCount++) {
+
+ cmdBuf.len = 0; /* reset */
+
+ memcpy(cmdBuf.p, sbFF, sizeof(sbFF));
+ cmdBuf.len += sizeof(sbFF);
+
+ ret = ejlPageEsc(&cmdBuf, CmdBuffGrow);
+ if( EPS_ERR_NONE != ret){
+ EPS_RETURN( ret )
+ }
+
+ ret = SendCommand((EPS_UINT8*)cmdBuf.p, cmdBuf.len, &retBufSize, TRUE);
+ }
+
+ EPS_RETURN( ret );
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: pageColorRow_M() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* N/A */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success */
+/* EPS_ERR_MEMORY_ALLOCATION - Fail to memory allocation */
+/* EPS_ERR_OPR_FAIL - Internal Error */
+/* EPS_ERR_COMM_ERROR - Communication Error */
+/* EPS_ERR_PRINTER_ERR_OCCUR - Printer Error happened */
+/* */
+/* Description: */
+/* Send ESC/Page raster commands. */
+/* */
+/*******************************************|********************************************/
+EPS_ERR_CODE pageColorRow_M(
+
+ const EPS_BANDBMP* pInBmp,
+ EPS_RECT* pBandRec
+
+){
+ EPS_ERR_CODE ret = EPS_ERR_NONE;
+
+ EPS_LOG_FUNCIN
+
+ if( (EPS_UINT32)(pBandRec->right - pBandRec->left) <= printJob.printableAreaWidth){
+ band.currentWidthInPixels = (EPS_UINT16)(pBandRec->right - pBandRec->left);
+ } else{
+ band.currentWidthInPixels = (EPS_UINT16) printJob.printableAreaWidth;
+ }
+
+ ConvertBYTE2Intensity( pInBmp, &band );
+
+ memset( band.pRasterData, 0, band.WidthInBytes);
+ HT_Scan( band.pIntensity, (EPS_UINT8*)band.pRasterData, band.currentWidthInPixels);
+
+ iNumBytes = 0;
+ iNumDots = 0;
+
+ BandEncode(&band);
+
+ if( band.encDataSize ) {
+ ret = BandEmit(&band, iNumBytes, iNumDots);
+ }
+
+ iRow++;
+
+ EPS_RETURN( ret )
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: pageSendLeftovers_M() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* N/A */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success */
+/* EPS_ERR_INVALID_CALL - This call was unnecessary */
+/* EPS_ERR_OPR_FAIL - Internal Error */
+/* EPS_ERR_COMM_ERROR - Communication Error */
+/* EPS_ERR_PRINTER_ERR_OCCUR - Printer Error happened */
+/* */
+/* Description: */
+/* send leftovers data. */
+/* */
+/*******************************************|********************************************/
+EPS_ERR_CODE pageSendLeftovers_M(
+
+ void
+
+){
+ EPS_ERR_CODE ret = EPS_ERR_NONE;
+ EPS_UINT32 retBufSize = 0;
+
+ EPS_LOG_FUNCIN
+
+ if( NULL != printJob.contData.sendData && 0 < printJob.contData.sendDataSize){
+ /* send command */
+ ret = SendCommand(printJob.contData.sendData,
+ printJob.contData.sendDataSize, &retBufSize, TRUE);
+ } else{
+ ret = EPS_ERR_INVALID_CALL;
+ }
+
+ EPS_RETURN( ret )
+}
+
+
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%*/
+/*-------------------- Local Functions ---------------------*/
+/*%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CmdBuffInit() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* pCmdBuff EPS_COMMAND_BUFFER* I: command buffer strcture */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success */
+/* EPS_ERR_MEMORY_ALLOCATION - Fail to memory allocation */
+/* */
+/* Description: */
+/* Allocate command buffer. */
+/* */
+/*******************************************|********************************************/
+static EPS_ERR_CODE CmdBuffInit(
+
+ EPS_COMMAND_BUFFER *pCmdBuff
+
+){
+ pCmdBuff->size = EPS_EJL_LINEMAX*2;
+ pCmdBuff->p = (EPS_INT8*)EPS_ALLOC(pCmdBuff->size);
+ if( NULL == pCmdBuff->p){
+ return EPS_ERR_MEMORY_ALLOCATION;
+ }
+
+ pCmdBuff->len = 0;
+
+ return EPS_ERR_NONE;
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CmdBuffGrow() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* pCmdBuff EPS_COMMAND_BUFFER* I: command buffer strcture */
+/* addSize EPS_INT32 I: growing size */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success */
+/* EPS_ERR_MEMORY_ALLOCATION - Fail to memory allocation */
+/* */
+/* Description: */
+/* ReAllocate command buffer. */
+/* */
+/*******************************************|********************************************/
+static EPS_ERR_CODE CmdBuffGrow(
+
+ EPS_COMMAND_BUFFER *pCmdBuff,
+ EPS_INT32 addSize
+
+){
+ EPS_INT32 block, sizeNew;
+
+ if(pCmdBuff->size < pCmdBuff->len + addSize){
+ block = (((pCmdBuff->len+addSize) / EPS_PAGE_CMDBUFF_SIZE) + 1);
+ sizeNew = block * EPS_PAGE_CMDBUFF_SIZE;
+ pCmdBuff->p = memRealloc(pCmdBuff->p, pCmdBuff->size, sizeNew);
+ if( NULL == pCmdBuff->p){
+ return EPS_ERR_MEMORY_ALLOCATION;
+ }
+ pCmdBuff->size = sizeNew;
+ }
+
+ return EPS_ERR_NONE;
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: CmdBuffTerm() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* pCmdBuff EPS_COMMAND_BUFFER* I: command buffer strcture */
+/* */
+/* Return value: */
+/* N/A */
+/* */
+/* Description: */
+/* Free command buffer. */
+/* */
+/*******************************************|********************************************/
+static void CmdBuffTerm (
+
+ EPS_COMMAND_BUFFER *pCmdBuff
+
+){
+ EPS_SAFE_RELEASE(pCmdBuff->p);
+ pCmdBuff->len = 0;
+ pCmdBuff->size = 0;
+ pCmdBuff->pExtent = NULL;
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: ConvertBYTE2Intensity() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* paletteSize EPS_UINT16 I: Palette Size */
+/* paletteData EPS_UINT8* I: Palette Size */
+/* */
+/* Return value: */
+/* N/A */
+/* */
+/* Description: */
+/* Convert palette to Intensity. */
+/* */
+/*******************************************|********************************************/
+static void ConvertBYTE2Intensity(
+
+ const EPS_BANDBMP* pInBmp,
+ EPS_PAGE_BAND_M *pBand
+
+){
+ EPS_UINT32 idx;
+ EPS_INT32 i, j, widthBytes;
+
+ EPS_LOG_FUNCIN;
+
+ widthBytes = pBand->currentWidthInPixels * printJob.bpp;
+ j = 0;
+ if(printJob.bpp == 3){
+ for (i = 0; i < widthBytes; i += printJob.bpp) {
+ /* idx = CALCULATE_INTENSITY(pInBmp->bits[i], pInBmp->bits[i+1], pInBmp->bits[i+2]);*/
+ idx = pInBmp->bits[i];
+ idx = 255 - idx;
+ if (idx > 255) idx = 255;
+
+ pBand->pIntensity[j++] = Intensity2Intensity[idx];
+
+ if(j >= pBand->WidthInPixels){
+ break;
+ }
+ }
+ } else{
+ for (i = 0; i < widthBytes; i += printJob.bpp) {
+ idx = pInBmp->bits[i];
+ pBand->pIntensity[j++] = Palette2DeviceIntensity[idx];
+ if(j >= pBand->WidthInPixels){
+ break;
+ }
+ }
+ }
+
+ EPS_RETURN_VOID
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: ConvertPaletteToIntensity() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* paletteSize EPS_UINT16 I: Palette Size */
+/* paletteData EPS_UINT8* I: Palette Size */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success */
+/* EPS_ERR_MEMORY_ALLOCATION - Fail to memory allocation */
+/* */
+/* Description: */
+/* Convert palette to Intensity. */
+/* */
+/*******************************************|********************************************/
+static EPS_ERR_CODE ConvertPaletteToIntensity(
+
+ EPS_UINT16 paletteSize,
+ EPS_UINT8 *paletteData
+
+){
+ EPS_UINT32 idx;
+ EPS_UINT32 i, j;
+ EPS_LOG_FUNCIN;
+
+ Palette2DeviceIntensity = (EPS_UINT8*)EPS_ALLOC( (paletteSize/3)*sizeof(EPS_UINT8) );
+ if (!Palette2DeviceIntensity) {
+ EPS_RETURN( EPS_ERR_MEMORY_ALLOCATION )
+ }
+ j = 0;
+ for (i = 0; i < paletteSize; i += 3) {
+ /* idx = CALCULATE_INTENSITY(paletteData[i], paletteData[i+1], paletteData[i+2]); */
+ idx = paletteData[i];
+ idx = 255 - idx;
+ if (idx > 255) idx = 255;
+ Palette2DeviceIntensity[j++] = Intensity2Intensity[idx];
+ }
+
+ EPS_RETURN( EPS_ERR_NONE )
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: BandInit() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* pBand EPS_PAGE_BAND_M* I: band data strcture */
+/* widthInPixels EPS_INT32 I: width in Pixels */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success */
+/* EPS_ERR_MEMORY_ALLOCATION - Fail to memory allocation */
+/* */
+/* Description: */
+/* Allocate band data buffers. */
+/* */
+/*******************************************|********************************************/
+static EPS_ERR_CODE BandInit(
+
+ EPS_PAGE_BAND_M* pBand,
+ EPS_INT32 widthInPixels
+
+){
+ EPS_ERR_CODE ret = EPS_ERR_NONE;
+ EPS_INT32 maxEpsonEncodedData;
+
+ EPS_LOG_FUNCIN;
+
+ memset(pBand, 0, sizeof(pBand));
+
+ pBand->WidthInPixels = widthInPixels;
+ pBand->WidthInBytes = (pBand->WidthInPixels+7)/8;
+
+ /* We leave room for an entire TIFF literal -plus- room */
+ /* for the longest possible XFER header (3 bytes). */
+ maxEpsonEncodedData = 256 + 3 + pBand->WidthInBytes
+ + (pBand->WidthInBytes + TIFF_MAXIMUM_LITERAL - 1)/TIFF_MAXIMUM_LITERAL;
+
+ pBand->pRasterData = (EPS_UINT8*)EPS_ALLOC(pBand->WidthInBytes);
+ if (NULL == pBand->pRasterData) {
+ EPS_RETURN( EPS_ERR_MEMORY_ALLOCATION )
+ }
+
+ pBand->pEncData = (EPS_UINT8*)EPS_ALLOC(maxEpsonEncodedData);
+ if (NULL == pBand->pEncData) {
+ EPS_RETURN( EPS_ERR_MEMORY_ALLOCATION )
+ }
+
+ pBand->pZeroRow = (EPS_UINT8*)EPS_ALLOC(pBand->WidthInBytes);
+ if (NULL == pBand->pZeroRow) {
+ EPS_RETURN( EPS_ERR_MEMORY_ALLOCATION )
+ }
+ memset(pBand->pZeroRow, 0, pBand->WidthInBytes);
+
+ pBand->pIntensity = (EPS_UINT8*)EPS_ALLOC(pBand->WidthInPixels);
+ if (!pBand->pIntensity){
+ EPS_RETURN( EPS_ERR_MEMORY_ALLOCATION )
+ }
+
+ EPS_RETURN(ret)
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: BandTerm() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* pBand EPS_PAGE_BAND_M* I: band data strcture */
+/* */
+/* Return value: */
+/* N/A */
+/* */
+/* Description: */
+/* free band data buffers. */
+/* */
+/*******************************************|********************************************/
+static void BandTerm(
+
+ EPS_PAGE_BAND_M* pBand
+
+){
+ EPS_LOG_FUNCIN
+
+ EPS_SAFE_RELEASE( pBand->pRasterData );
+ EPS_SAFE_RELEASE( pBand->pEncData );
+ EPS_SAFE_RELEASE( pBand->pZeroRow );
+ EPS_SAFE_RELEASE( pBand->pIntensity );
+
+ EPS_RETURN_VOID
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: BandEmit() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* pBand EPS_PAGE_BAND_M* I: band data strcture */
+/* pCmdBuff EPS_COMMAND_BUFFER* I: command buffer strcture */
+/* iNByte EPS_INT32 I: number of data bytes */
+/* iNDot EPS_INT32 I: number of data dots */
+/* */
+/* Return value: */
+/* EPS_ERR_NONE - Success */
+/* EPS_ERR_MEMORY_ALLOCATION - Fail to memory allocation */
+/* EPS_ERR_OPR_FAIL - Internal Error */
+/* EPS_ERR_COMM_ERROR - Communication Error */
+/* EPS_ERR_PRINTER_ERR_OCCUR - Printer Error happened */
+/* */
+/* Description: */
+/* Emit data to printer. */
+/* */
+/*******************************************|********************************************/
+static EPS_ERR_CODE BandEmit(
+
+ EPS_PAGE_BAND_M* pBand,
+ EPS_INT32 iNByte,
+ EPS_INT32 iNDot
+
+){
+ EPS_ERR_CODE ret = EPS_ERR_NONE;
+ EPS_INT8 *p;
+ EPS_UINT32 retBufSize = 0;
+
+ EPS_LOG_FUNCIN
+
+ cmdBuf.len = 0; /* reset */
+ p = (EPS_INT8*)cmdBuf.p;
+
+ EPS_DBGPRINT(("Y = %d \r\n", iRow));
+ sprintf(p, "\x1D%dY", iRow);
+ p += strlen(p);
+
+ /* Number of data bytes */
+ /* Bit image width */
+ /* Bit image height */
+ /* Angle of rotation */
+ sprintf(p, sbBID, iNByte, iNDot);
+ p += strlen(p);
+
+ cmdBuf.len += (EPS_UINT32)(p - cmdBuf.p);
+ ret = CmdBuffGrow(&cmdBuf, pBand->encDataSize);
+ if( EPS_ERR_NONE != ret){
+ EPS_RETURN( ret )
+ }
+ p = cmdBuf.p + cmdBuf.len;
+
+ memcpy(p, pBand->pEncData, pBand->encDataSize);
+ cmdBuf.len += pBand->encDataSize;
+
+ pBand->encDataSize = 0;
+
+ ret = SendCommand((EPS_UINT8*)cmdBuf.p, cmdBuf.len, &retBufSize, TRUE);
+
+ EPS_RETURN(ret)
+}
+
+
+/*******************************************|********************************************/
+/* */
+/* Function name: BandEncode() */
+/* */
+/* Arguments */
+/* --------- */
+/* Name: Type: Description: */
+/* pBand EPS_PAGE_BAND_M* I: band data strcture */
+/* */
+/* Return value: */
+/* N/A */
+/* */
+/* Description: */
+/* Do Compression. */
+/* */
+/*******************************************|********************************************/
+static void BandEncode(
+
+ EPS_PAGE_BAND_M* pBand
+
+){
+ EPS_BOOL isZero = FALSE;
+ EPS_INT32 widthInBytes = (pBand->currentWidthInPixels+7)/8;
+
+ EPS_LOG_FUNCIN
+
+ /* Check blank line */
+ isZero = (memcmp(pBand->pRasterData, pBand->pZeroRow, widthInBytes) == 0)?TRUE:FALSE;
+
+ /* No compression for blank line */
+ if( isZero ) {
+ pBand->encDataSize = 0;
+ } else{
+ pBand->encDataSize = DoDeltaRow( pBand->pRasterData,
+ widthInBytes,
+ pBand->pEncData,
+ pBand->pZeroRow
+ );
+ }
+
+ EPS_RETURN_VOID
+}
+
+
+/*=========================================================*/
+/* */
+/* Function: */
+/* */
+/* HT_Init */
+/* */
+/* Description: */
+/* */
+/* Halftoning initialization */
+/* */
+/*=========================================================*/
+static EPS_ERR_CODE HT_Init(EPS_INT32 WidthPixels)
+{
+ EPS_LOG_FUNCIN
+
+ srand(119);
+
+ htParam.pEK = NULL;
+ htParam.iScanPels = WidthPixels;
+ htParam.iOrder = 5;
+ htParam.iDK = DOT_K * E_MAX / 100;
+
+ htParam.pEK = (EPS_INT16*)EPS_ALLOC((htParam.iScanPels + 2)*sizeof(EPS_INT16));
+ if( NULL == htParam.pEK){
+ EPS_RETURN( EPS_ERR_MEMORY_ALLOCATION )
+ }
+
+ EPS_RETURN( EPS_ERR_NONE )
+}
+
+
+/*=========================================================*/
+/* */
+/* Function: */
+/* */
+/* HT_End */
+/* */
+/* Description: */
+/* */
+/* Halftoning Ending process */
+/* */
+/*=========================================================*/
+static void HT_End()
+{
+EPS_LOG_FUNCIN
+ EPS_SAFE_RELEASE( htParam.pEK );
+EPS_RETURN_VOID
+}
+
+
+/*=========================================================*/
+/* */
+/* Function: */
+/* */
+/* HT_StartPage */
+/* */
+/* Description: */
+/* */
+/* Halftoning start page process */
+/* */
+/*=========================================================*/
+static void HT_StartPage()
+{
+ EPS_LOG_FUNCIN
+
+ if (htParam.pEK){
+ memset(htParam.pEK, 0, (htParam.iScanPels + 2) * sizeof(EPS_INT16));
+ }
+
+ EPS_RETURN_VOID
+}
+
+
+/*=========================================================*/
+/* */
+/* Function: */
+/* */
+/* HT_Scan */
+/* */
+/* Description: */
+/* */
+/* Check halftoning method */
+/* */
+/*=========================================================*/
+static void HT_Scan(EPS_UINT8 *Con, EPS_UINT8 *Bin, EPS_INT32 widthInPixels)
+{
+/* Error Diffusion */
+ EPS_INT32 i, j, k;
+ EPS_INT32 iE, iE1, iE3, iE5, iE7, iR;
+ EPS_INT32 iCon;
+ EPS_INT32 iDot;
+ EPS_INT32 iF;
+ EPS_INT16 *p;
+
+ EPS_LOG_FUNCIN
+
+ p = htParam.pEK + 1;
+ iDot = htParam.iDK;
+
+ iE1 = 0;
+ iE7 = 0;
+ iR = 0;
+
+ i = 0;
+ j = 1;
+
+ for (k = 0; k < widthInPixels; k++) {
+ if (Con[i] == 0) {
+ } else if (Con[i] == MAX_8) {
+ Bin[i >> 3] |= BitMask[i & 7];
+ } else {
+ iCon = Con[i] * (E_MAX / (MAX_8 + 1));
+
+ iE = rand() * (iCon - E_MID) / RAND_MAX;
+ if (((iR > 0) && (iE > 0)) || ((iR < 0) && (iE < 0))) {
+ iE = -iE;
+ }
+ iR = iE;
+
+ iCon += p[i] + iE7;
+
+ if (iCon + iR > E_MID) {
+ Bin[i >> 3] |= BitMask[i & 7];
+ iE = iCon - iDot;
+ } else {
+ iE = iCon;
+ }
+
+ iF = iE / 16;
+ iE3 = iF * 3;
+ iE5 = iF * 5;
+
+ p[i] = iE5 + iE1;
+ p[i - j] += iE3;
+
+ iE1 = iF;
+ iE7 = iE - iE1 - iE3 - iE5;
+ }
+
+ i += j;
+ }
+
+ p[i - j] += iE7 + iE1;
+
+ p[0] += p[-1];
+ p[htParam.iScanPels - 1] += p[htParam.iScanPels];
+
+ p[-1] = 0;
+ p[htParam.iScanPels] = 0;
+
+ EPS_RETURN_VOID
+}
+
+
+/*=========================================================*/
+/* */
+/* Function: */
+/* */
+/* DoTIFF */
+/* */
+/* Description: */
+/* */
+/* Do TIFF compression */
+/* */
+/*=========================================================*/
+EPS_INT32 DoTIFF(EPS_UINT8 *Row, EPS_INT32 nRow, EPS_UINT8 *RowTIFF)
+{
+ EPS_INT32 nRowTIFF = 0; /* Total size of TIFF encoded row. */
+ EPS_INT32 nLiteral = 0; /* Count of literal bytes. */
+ EPS_INT32 nRepeat = 0; /* Count of repeated byte. */
+ EPS_UINT8 ch;
+ EPS_INT32 n;
+
+ /* Load first byte from row into parser. */
+ nRepeat++;
+ nLiteral++;
+ ch = *Row++;
+
+ for( ; nRow--; ch = *Row++ ) {
+ if( nLiteral > TIFF_MAXIMUM_LITERAL ) {
+ /* Literal part has grown too large, emit the largest literal pattern we can. */
+ EMIT_TIFF_LITERAL( TIFF_MAXIMUM_LITERAL, Row-nLiteral );
+ nLiteral -= TIFF_MAXIMUM_LITERAL;
+ } else if( nRepeat > TIFF_MAXIMUM_REPEAT ) {
+ /* Repeated part has grown too large, emit the literal (if present) and then */
+ /* emit the largest repeated pattern we can. */
+ EMIT_TIFF_REPEAT( TIFF_MAXIMUM_REPEAT, ch );
+ nRepeat -= TIFF_MAXIMUM_REPEAT;
+ }
+ if( ch == *Row ) {
+ if( nLiteral ) {
+ if( nLiteral >= 2 ) {
+ EMIT_TIFF_LITERAL( nLiteral-1, Row-nLiteral );
+ }
+ nLiteral = 1;
+ }
+ nRepeat++;
+ } else {
+ if( nRepeat >= 2 ) {
+ EMIT_TIFF_REPEAT( nRepeat, ch );
+ nRepeat = 1;
+ nLiteral = 0;
+ }
+ nLiteral++;
+ }
+ }
+ if( nRepeat == 1 ) {
+ nRepeat = 0;
+ }
+ if( nLiteral == 1 && nRepeat >= 2 ) {
+ nLiteral = 0;
+ }
+
+ while (nLiteral) {
+ n = nLiteral;
+ if (n > TIFF_MAXIMUM_LITERAL) {
+ n = TIFF_MAXIMUM_LITERAL;
+ }
+ if( nRepeat ) {
+ EMIT_TIFF_LITERAL(n-1, Row-nLiteral);
+ } else {
+ EMIT_TIFF_LITERAL(n-1, Row-nLiteral);
+ }
+ nLiteral -= n;
+ }
+
+ while (nRepeat) {
+ n = nRepeat;
+ if (n > TIFF_MAXIMUM_REPEAT) {
+ n = TIFF_MAXIMUM_REPEAT;
+ }
+ EMIT_TIFF_REPEAT(n, ch);
+ nRepeat -= n;
+ }
+
+ return nRowTIFF;
+}
+
+
+/*=========================================================*/
+/* */
+/* Function: */
+/* */
+/* DeltaRowEmitXFER */
+/* */
+/* Description: */
+/* */
+/* Construct DeltaRow control code and data */
+/* */
+/*=========================================================*/
+void DeltaRowEmitXFER(EPS_UINT8 *Row, EPS_INT32 nXFER, EPS_INT32 nXFERTIFF, EPS_INT32 *nRowDeltaRow, EPS_UINT8 **RowDeltaRow)
+{
+ EPS_LOG_FUNCIN;
+
+ /* Get data length and send before all data of the current row */
+ iNumBytes += nXFERTIFF;
+ iNumDots += nXFER * 8;
+
+ /* TIFF data for XFER */
+ *nRowDeltaRow += nXFERTIFF;
+ if (*RowDeltaRow)
+ {
+ DoTIFF(Row, nXFER, *RowDeltaRow);
+ *RowDeltaRow += nXFERTIFF;
+ }
+
+ EPS_RETURN_VOID
+}
+
+/*=========================================================*/
+/* */
+/* Function: */
+/* */
+/* DeltaRowEmitMOVX */
+/* */
+/* Description: */
+/* */
+/* Construct DeltaRow horizontal position movement */
+/* */
+/*=========================================================*/
+void DeltaRowEmitMOVX(EPS_INT32 nSkip, EPS_INT32 *nRowDeltaRow, EPS_UINT8 **RowDeltaRow)
+{
+ EPS_UINT8 N;
+ EPS_INT32 num=0;
+ EPS_INT32 num1=0;
+
+ EPS_LOG_FUNCIN;
+
+ /* Send repeat "00" instead. Send 255 "00" the most each time */
+ if( nSkip == 0 ) {
+ EPS_RETURN_VOID
+ }
+
+ if( nSkip > 255 ) {
+ num1 = nSkip - 255;
+ num = 255;
+ } else {
+ num = nSkip;
+ }
+ *nRowDeltaRow += 3;
+ iNumBytes += 3;
+ iNumDots += num * 8;
+
+ if (*RowDeltaRow) {
+ N = num;
+ *((*RowDeltaRow)++) = 0x00;
+ *((*RowDeltaRow)++) = 0x00;
+ *((*RowDeltaRow)++) = N;
+ }
+ if( num1 > 255 ) {
+ /* Still have more than 255 "00" */
+ DeltaRowEmitMOVX(num1, nRowDeltaRow, RowDeltaRow);
+ } else {
+ if( num1 > 0 ) {
+ *nRowDeltaRow += 3;
+ iNumBytes += 3;
+ iNumDots += num1 * 8;
+ if (*RowDeltaRow)
+ {
+ N = num1;
+ *((*RowDeltaRow)++) = 0x00;
+ *((*RowDeltaRow)++) = 0x00;
+ *((*RowDeltaRow)++) = N;
+ }
+ }
+ }
+
+ EPS_RETURN_VOID
+}
+
+
+/*=========================================================*/
+/* */
+/* Function: */
+/* */
+/* DeltaRowEmitReduce */
+/* */
+/* Description: */
+/* */
+/* */
+/* */
+/*=========================================================*/
+void DeltaRowEmitReduce(EPS_UINT8 *Row, EPS_INT32 *nDelta0, EPS_INT32 *nSkip, EPS_INT32 *nDelta1, EPS_INT32 *nRowDeltaRow, EPS_UINT8 **RowDeltaRow)
+{
+ EPS_INT32 nDelta0TIFF, nDelta1TIFF, nDeltaTIFF, SizeofDSD, SizeofD;
+
+ EPS_LOG_FUNCIN;
+
+ if (*nDelta0) {
+ /* (DSD) state. */
+ nDelta0TIFF = DoTIFF(Row - *nDelta1 - *nSkip - *nDelta0, *nDelta0, 0);
+ nDelta1TIFF = DoTIFF(Row - *nDelta1, *nDelta1, 0);
+ nDeltaTIFF = DoTIFF(Row - *nDelta1 - *nSkip - *nDelta0, *nDelta0 + *nSkip + *nDelta1, 0);
+
+ SizeofDSD = nDelta0TIFF + nDelta1TIFF + (nDelta0TIFF>15?1:0)
+ + (nDelta0TIFF>255?1:0) + (nDelta1TIFF>15?1:0)
+ + (nDelta1TIFF>255?1:0) + (*nSkip>7?1:0) + (*nSkip>127?1:0) + 3;
+ SizeofD = nDeltaTIFF + (nDeltaTIFF>15?1:0) + (nDeltaTIFF>255?1:0) + 1;
+
+ } else {
+ /* (-SD) state. */
+ nDelta0TIFF = 0;
+ nDelta1TIFF = DoTIFF(Row - *nDelta1, *nDelta1, 0);
+ nDeltaTIFF = DoTIFF(Row - *nDelta1 - *nSkip, *nSkip + *nDelta1, 0);
+
+ SizeofDSD = nDelta1TIFF + (nDelta1TIFF>15?1:0)
+ + (nDelta1TIFF>255?1:0) + (*nSkip>7?1:0) + (*nSkip>127?1:0) + 2;
+ SizeofD = nDeltaTIFF + (nDeltaTIFF>15?1:0) + (nDeltaTIFF>255?1:0) + 1;
+ }
+
+ if (SizeofD <= SizeofDSD) {
+ /* Turn the delta/skip/delta into a single delta. */
+ *nDelta0 += *nSkip + *nDelta1;
+ *nSkip = 0;
+ *nDelta1 = 0;
+
+ } else {
+ /* Emit a delta, then a skip, and the shift the leftover delta. */
+ if (*nDelta0) {
+ DeltaRowEmitXFER(Row- *nDelta0 - *nSkip - *nDelta1, *nDelta0, nDelta0TIFF, nRowDeltaRow, RowDeltaRow);
+ }
+ DeltaRowEmitMOVX(*nSkip, nRowDeltaRow, RowDeltaRow);
+
+ /* Shift remaining delta */
+ *nDelta0 = *nDelta1;
+ *nSkip = 0;
+ *nDelta1 = 0;
+ }
+
+ EPS_RETURN_VOID
+}
+
+
+/*=========================================================*/
+/* */
+/* Function: */
+/* */
+/* DoDeltaRow */
+/* */
+/* Description: */
+/* */
+/* Do DeltaRow compression */
+/* */
+/*=========================================================*/
+static EPS_INT32 DoDeltaRow(EPS_UINT8 *Row, EPS_INT32 nRow, EPS_UINT8 *RowDeltaRow, EPS_UINT8 *Seed)
+{
+ EPS_INT32 nRowDeltaRow = 0;
+ EPS_INT32 nSkip = 0;
+ EPS_INT32 nDelta1 = 0;
+ EPS_INT32 nDelta0 = 0;
+ EPS_INT32 nDelta0TIFF;
+
+ for ( ; nRow--; Row++, Seed++) {
+ if (*Row != *Seed) {
+ nDelta1++;
+ }
+ else
+ {
+ if (nDelta1)
+ {
+ if (nDelta0 == 0 && nSkip ==0)
+ {
+ nDelta0 = nDelta1;
+ nDelta1 = 0;
+ }
+ else
+ {
+ if (nSkip <= 3)
+ {
+ nDelta0 += nSkip + nDelta1;
+ nSkip = 0;
+ nDelta1 = 0;
+ }
+ else
+ {
+ DeltaRowEmitReduce(Row, &nDelta0, &nSkip, &nDelta1,
+ &nRowDeltaRow, &RowDeltaRow);
+ }
+ }
+ }
+ nSkip++;
+ }
+ }
+
+ /* Have reached the end of the line. */
+ if (nDelta0)
+ {
+ if (nDelta1)
+ {
+ DeltaRowEmitReduce(Row, &nDelta0, &nSkip, &nDelta1, &nRowDeltaRow, &RowDeltaRow);
+ nDelta0TIFF = DoTIFF(Row-nDelta0, nDelta0, 0);
+ DeltaRowEmitXFER(Row-nDelta0, nDelta0, nDelta0TIFF, &nRowDeltaRow, &RowDeltaRow);
+ }
+ else
+ {
+ nDelta0TIFF = DoTIFF(Row-nSkip-nDelta0, nDelta0, 0);
+ DeltaRowEmitXFER(Row-nDelta0-nSkip, nDelta0, nDelta0TIFF, &nRowDeltaRow, &RowDeltaRow);
+ }
+ }
+ else if (nDelta1)
+ {
+ if (nSkip)
+ {
+ DeltaRowEmitReduce(Row, &nDelta0, &nSkip, &nDelta1, &nRowDeltaRow, &RowDeltaRow);
+ nDelta0TIFF = DoTIFF(Row-nDelta0, nDelta0, 0);
+ DeltaRowEmitXFER(Row-nDelta0, nDelta0, nDelta0TIFF, &nRowDeltaRow, &RowDeltaRow);
+ }
+ else
+ {
+ nDelta0TIFF = DoTIFF(Row-nDelta1, nDelta1, 0);
+ DeltaRowEmitXFER(Row-nDelta1, nDelta1, nDelta0TIFF, &nRowDeltaRow, &RowDeltaRow);
+ }
+ }
+
+ return nRowDeltaRow;
+}
+
+/*_______________________________ epson-escpage-mono.c ______________________________*/
+
+/*34567890123456789012345678901234567890123456789012345678901234567890123456789012345678*/
+/* 1 2 3 4 5 6 7 8 */
+/*******************************************|********************************************/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
+/***** End of File *** End of File *** End of File *** End of File *** End of File ******/
+/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
|