1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*
% Copyright (C) 2003-2019 GraphicsMagick Group
% Copyright (C) 2002 ImageMagick Studio
% Copyright 1991-1999 E. I. du Pont de Nemours and Company
%
% This program is covered by multiple licenses, which are described in
% Copyright.txt. You should have received a copy of Copyright.txt with this
% package; otherwise see http://www.graphicsmagick.org/www/Copyright.html.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% TTTTT IIIII L EEEEE %
% T I L E %
% T I L EEE %
% T I L E %
% T IIIII LLLLL EEEEE %
% %
% %
% Return A Tiled Image Using Texture. %
% %
% %
% Software Design %
% John Cristy %
% July 1992 %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
/*
Include declarations.
*/
#include "magick/studio.h"
#include "magick/blob.h"
#include "magick/composite.h"
#include "magick/constitute.h"
#include "magick/magick.h"
#include "magick/monitor.h"
#include "magick/utility.h"
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d T I L E I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method ReadTILEImage tiles a texture on an image. It allocates the
% memory necessary for the new Image structure and returns a pointer to the
% new image.
%
% The format of the ReadTILEImage method is:
%
% Image *ReadTILEImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image: Method ReadTILEImage returns a pointer to the image after
% reading. A null image is returned if there is a memory shortage or
% if the image cannot be read.
%
% o image_info: Specifies a pointer to a ImageInfo structure.
%
% o exception: return any errors or warnings in this structure.
%
%
*/
static Image *ReadTILEImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
Image
*image,
*tile_image;
ImageInfo
*clone_info;
RectangleInfo
geometry;
/*
Initialize Image structure.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
clone_info=CloneImageInfo(image_info);
clone_info->blob=(void *) NULL;
clone_info->length=0;
*clone_info->magick='\0';
MagickFreeMemory(clone_info->size);
tile_image=ReadImage(clone_info,exception);
DestroyImageInfo(clone_info);
if (tile_image == (Image *) NULL)
return((Image *) NULL);
/*
Adapt tile image to desired image type.
*/
if (image_info->type != UndefinedType)
(void) SetImageType(tile_image,image_info->type);
/*
Create tiled canvas image.
*/
(void) GetGeometry(image_info->size,&geometry.x,&geometry.y,&geometry.width,
&geometry.height);
image=ConstituteTextureImage(geometry.width,geometry.height,tile_image,exception);
DestroyImage(tile_image);
return(image);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t e r T I L E I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method RegisterTILEImage adds attributes for the TILE image format to
% the list of supported formats. The attributes include the image format
% tag, a method to read and/or write the format, whether the format
% supports the saving of more than one frame to the same file or blob,
% whether the format supports native in-memory I/O, and a brief
% description of the format.
%
% The format of the RegisterTILEImage method is:
%
% RegisterTILEImage(void)
%
*/
ModuleExport void RegisterTILEImage(void)
{
MagickInfo
*entry;
static const char
TILENote[]=
{
"Use the syntax \"-size WIDTHxHEIGHT TILE:imagename\" to tile the\n"
"specified tile image over a canvas image of size WIDTHxHEIGHT."
};
entry=SetMagickInfo("TILE");
entry->decoder=(DecoderHandler) ReadTILEImage;
entry->raw=True;
entry->description="Tile image with a texture";
entry->note=TILENote;
entry->module="TILE";
entry->coder_class=PrimaryCoderClass;
entry->extension_treatment=IgnoreExtensionTreatment;
(void) RegisterMagickInfo(entry);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r T I L E I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method UnregisterTILEImage removes format registrations made by the
% TILE module from the list of supported formats.
%
% The format of the UnregisterTILEImage method is:
%
% UnregisterTILEImage(void)
%
*/
ModuleExport void UnregisterTILEImage(void)
{
(void) UnregisterMagickInfo("TILE");
}
|
