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author | David Walter Seikel | 2013-01-13 18:54:10 +1000 |
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committer | David Walter Seikel | 2013-01-13 18:54:10 +1000 |
commit | 959831f4ef5a3e797f576c3de08cd65032c997ad (patch) | |
tree | e7351908be5995f0b325b2ebeaa02d5a34b82583 /libraries/irrlicht-1.8/source/Irrlicht/jpeglib/wrtarga.c | |
parent | Add info about changes to Irrlicht. (diff) | |
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Remove damned ancient DOS line endings from Irrlicht. Hopefully I did not go overboard.
Diffstat (limited to '')
-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/jpeglib/wrtarga.c | 506 |
1 files changed, 253 insertions, 253 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/wrtarga.c b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/wrtarga.c index 6566273..cf104d2 100644 --- a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/wrtarga.c +++ b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/wrtarga.c | |||
@@ -1,253 +1,253 @@ | |||
1 | /* | 1 | /* |
2 | * wrtarga.c | 2 | * wrtarga.c |
3 | * | 3 | * |
4 | * Copyright (C) 1991-1996, Thomas G. Lane. | 4 | * Copyright (C) 1991-1996, Thomas G. Lane. |
5 | * This file is part of the Independent JPEG Group's software. | 5 | * This file is part of the Independent JPEG Group's software. |
6 | * For conditions of distribution and use, see the accompanying README file. | 6 | * For conditions of distribution and use, see the accompanying README file. |
7 | * | 7 | * |
8 | * This file contains routines to write output images in Targa format. | 8 | * This file contains routines to write output images in Targa format. |
9 | * | 9 | * |
10 | * These routines may need modification for non-Unix environments or | 10 | * These routines may need modification for non-Unix environments or |
11 | * specialized applications. As they stand, they assume output to | 11 | * specialized applications. As they stand, they assume output to |
12 | * an ordinary stdio stream. | 12 | * an ordinary stdio stream. |
13 | * | 13 | * |
14 | * Based on code contributed by Lee Daniel Crocker. | 14 | * Based on code contributed by Lee Daniel Crocker. |
15 | */ | 15 | */ |
16 | 16 | ||
17 | #include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ | 17 | #include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ |
18 | 18 | ||
19 | #ifdef TARGA_SUPPORTED | 19 | #ifdef TARGA_SUPPORTED |
20 | 20 | ||
21 | 21 | ||
22 | /* | 22 | /* |
23 | * To support 12-bit JPEG data, we'd have to scale output down to 8 bits. | 23 | * To support 12-bit JPEG data, we'd have to scale output down to 8 bits. |
24 | * This is not yet implemented. | 24 | * This is not yet implemented. |
25 | */ | 25 | */ |
26 | 26 | ||
27 | #if BITS_IN_JSAMPLE != 8 | 27 | #if BITS_IN_JSAMPLE != 8 |
28 | Sorry, this code only copes with 8-bit JSAMPLEs. /* deliberate syntax err */ | 28 | Sorry, this code only copes with 8-bit JSAMPLEs. /* deliberate syntax err */ |
29 | #endif | 29 | #endif |
30 | 30 | ||
31 | /* | 31 | /* |
32 | * The output buffer needs to be writable by fwrite(). On PCs, we must | 32 | * The output buffer needs to be writable by fwrite(). On PCs, we must |
33 | * allocate the buffer in near data space, because we are assuming small-data | 33 | * allocate the buffer in near data space, because we are assuming small-data |
34 | * memory model, wherein fwrite() can't reach far memory. If you need to | 34 | * memory model, wherein fwrite() can't reach far memory. If you need to |
35 | * process very wide images on a PC, you might have to compile in large-memory | 35 | * process very wide images on a PC, you might have to compile in large-memory |
36 | * model, or else replace fwrite() with a putc() loop --- which will be much | 36 | * model, or else replace fwrite() with a putc() loop --- which will be much |
37 | * slower. | 37 | * slower. |
38 | */ | 38 | */ |
39 | 39 | ||
40 | 40 | ||
41 | /* Private version of data destination object */ | 41 | /* Private version of data destination object */ |
42 | 42 | ||
43 | typedef struct { | 43 | typedef struct { |
44 | struct djpeg_dest_struct pub; /* public fields */ | 44 | struct djpeg_dest_struct pub; /* public fields */ |
45 | 45 | ||
46 | char *iobuffer; /* physical I/O buffer */ | 46 | char *iobuffer; /* physical I/O buffer */ |
47 | JDIMENSION buffer_width; /* width of one row */ | 47 | JDIMENSION buffer_width; /* width of one row */ |
48 | } tga_dest_struct; | 48 | } tga_dest_struct; |
49 | 49 | ||
50 | typedef tga_dest_struct * tga_dest_ptr; | 50 | typedef tga_dest_struct * tga_dest_ptr; |
51 | 51 | ||
52 | 52 | ||
53 | LOCAL(void) | 53 | LOCAL(void) |
54 | write_header (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, int num_colors) | 54 | write_header (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, int num_colors) |
55 | /* Create and write a Targa header */ | 55 | /* Create and write a Targa header */ |
56 | { | 56 | { |
57 | char targaheader[18]; | 57 | char targaheader[18]; |
58 | 58 | ||
59 | /* Set unused fields of header to 0 */ | 59 | /* Set unused fields of header to 0 */ |
60 | MEMZERO(targaheader, SIZEOF(targaheader)); | 60 | MEMZERO(targaheader, SIZEOF(targaheader)); |
61 | 61 | ||
62 | if (num_colors > 0) { | 62 | if (num_colors > 0) { |
63 | targaheader[1] = 1; /* color map type 1 */ | 63 | targaheader[1] = 1; /* color map type 1 */ |
64 | targaheader[5] = (char) (num_colors & 0xFF); | 64 | targaheader[5] = (char) (num_colors & 0xFF); |
65 | targaheader[6] = (char) (num_colors >> 8); | 65 | targaheader[6] = (char) (num_colors >> 8); |
66 | targaheader[7] = 24; /* 24 bits per cmap entry */ | 66 | targaheader[7] = 24; /* 24 bits per cmap entry */ |
67 | } | 67 | } |
68 | 68 | ||
69 | targaheader[12] = (char) (cinfo->output_width & 0xFF); | 69 | targaheader[12] = (char) (cinfo->output_width & 0xFF); |
70 | targaheader[13] = (char) (cinfo->output_width >> 8); | 70 | targaheader[13] = (char) (cinfo->output_width >> 8); |
71 | targaheader[14] = (char) (cinfo->output_height & 0xFF); | 71 | targaheader[14] = (char) (cinfo->output_height & 0xFF); |
72 | targaheader[15] = (char) (cinfo->output_height >> 8); | 72 | targaheader[15] = (char) (cinfo->output_height >> 8); |
73 | targaheader[17] = 0x20; /* Top-down, non-interlaced */ | 73 | targaheader[17] = 0x20; /* Top-down, non-interlaced */ |
74 | 74 | ||
75 | if (cinfo->out_color_space == JCS_GRAYSCALE) { | 75 | if (cinfo->out_color_space == JCS_GRAYSCALE) { |
76 | targaheader[2] = 3; /* image type = uncompressed gray-scale */ | 76 | targaheader[2] = 3; /* image type = uncompressed gray-scale */ |
77 | targaheader[16] = 8; /* bits per pixel */ | 77 | targaheader[16] = 8; /* bits per pixel */ |
78 | } else { /* must be RGB */ | 78 | } else { /* must be RGB */ |
79 | if (num_colors > 0) { | 79 | if (num_colors > 0) { |
80 | targaheader[2] = 1; /* image type = colormapped RGB */ | 80 | targaheader[2] = 1; /* image type = colormapped RGB */ |
81 | targaheader[16] = 8; | 81 | targaheader[16] = 8; |
82 | } else { | 82 | } else { |
83 | targaheader[2] = 2; /* image type = uncompressed RGB */ | 83 | targaheader[2] = 2; /* image type = uncompressed RGB */ |
84 | targaheader[16] = 24; | 84 | targaheader[16] = 24; |
85 | } | 85 | } |
86 | } | 86 | } |
87 | 87 | ||
88 | if (JFWRITE(dinfo->output_file, targaheader, 18) != (size_t) 18) | 88 | if (JFWRITE(dinfo->output_file, targaheader, 18) != (size_t) 18) |
89 | ERREXIT(cinfo, JERR_FILE_WRITE); | 89 | ERREXIT(cinfo, JERR_FILE_WRITE); |
90 | } | 90 | } |
91 | 91 | ||
92 | 92 | ||
93 | /* | 93 | /* |
94 | * Write some pixel data. | 94 | * Write some pixel data. |
95 | * In this module rows_supplied will always be 1. | 95 | * In this module rows_supplied will always be 1. |
96 | */ | 96 | */ |
97 | 97 | ||
98 | METHODDEF(void) | 98 | METHODDEF(void) |
99 | put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, | 99 | put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, |
100 | JDIMENSION rows_supplied) | 100 | JDIMENSION rows_supplied) |
101 | /* used for unquantized full-color output */ | 101 | /* used for unquantized full-color output */ |
102 | { | 102 | { |
103 | tga_dest_ptr dest = (tga_dest_ptr) dinfo; | 103 | tga_dest_ptr dest = (tga_dest_ptr) dinfo; |
104 | register JSAMPROW inptr; | 104 | register JSAMPROW inptr; |
105 | register char * outptr; | 105 | register char * outptr; |
106 | register JDIMENSION col; | 106 | register JDIMENSION col; |
107 | 107 | ||
108 | inptr = dest->pub.buffer[0]; | 108 | inptr = dest->pub.buffer[0]; |
109 | outptr = dest->iobuffer; | 109 | outptr = dest->iobuffer; |
110 | for (col = cinfo->output_width; col > 0; col--) { | 110 | for (col = cinfo->output_width; col > 0; col--) { |
111 | outptr[0] = (char) GETJSAMPLE(inptr[2]); /* RGB to BGR order */ | 111 | outptr[0] = (char) GETJSAMPLE(inptr[2]); /* RGB to BGR order */ |
112 | outptr[1] = (char) GETJSAMPLE(inptr[1]); | 112 | outptr[1] = (char) GETJSAMPLE(inptr[1]); |
113 | outptr[2] = (char) GETJSAMPLE(inptr[0]); | 113 | outptr[2] = (char) GETJSAMPLE(inptr[0]); |
114 | inptr += 3, outptr += 3; | 114 | inptr += 3, outptr += 3; |
115 | } | 115 | } |
116 | (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); | 116 | (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); |
117 | } | 117 | } |
118 | 118 | ||
119 | METHODDEF(void) | 119 | METHODDEF(void) |
120 | put_gray_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, | 120 | put_gray_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, |
121 | JDIMENSION rows_supplied) | 121 | JDIMENSION rows_supplied) |
122 | /* used for grayscale OR quantized color output */ | 122 | /* used for grayscale OR quantized color output */ |
123 | { | 123 | { |
124 | tga_dest_ptr dest = (tga_dest_ptr) dinfo; | 124 | tga_dest_ptr dest = (tga_dest_ptr) dinfo; |
125 | register JSAMPROW inptr; | 125 | register JSAMPROW inptr; |
126 | register char * outptr; | 126 | register char * outptr; |
127 | register JDIMENSION col; | 127 | register JDIMENSION col; |
128 | 128 | ||
129 | inptr = dest->pub.buffer[0]; | 129 | inptr = dest->pub.buffer[0]; |
130 | outptr = dest->iobuffer; | 130 | outptr = dest->iobuffer; |
131 | for (col = cinfo->output_width; col > 0; col--) { | 131 | for (col = cinfo->output_width; col > 0; col--) { |
132 | *outptr++ = (char) GETJSAMPLE(*inptr++); | 132 | *outptr++ = (char) GETJSAMPLE(*inptr++); |
133 | } | 133 | } |
134 | (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); | 134 | (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); |
135 | } | 135 | } |
136 | 136 | ||
137 | 137 | ||
138 | /* | 138 | /* |
139 | * Write some demapped pixel data when color quantization is in effect. | 139 | * Write some demapped pixel data when color quantization is in effect. |
140 | * For Targa, this is only applied to grayscale data. | 140 | * For Targa, this is only applied to grayscale data. |
141 | */ | 141 | */ |
142 | 142 | ||
143 | METHODDEF(void) | 143 | METHODDEF(void) |
144 | put_demapped_gray (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, | 144 | put_demapped_gray (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, |
145 | JDIMENSION rows_supplied) | 145 | JDIMENSION rows_supplied) |
146 | { | 146 | { |
147 | tga_dest_ptr dest = (tga_dest_ptr) dinfo; | 147 | tga_dest_ptr dest = (tga_dest_ptr) dinfo; |
148 | register JSAMPROW inptr; | 148 | register JSAMPROW inptr; |
149 | register char * outptr; | 149 | register char * outptr; |
150 | register JSAMPROW color_map0 = cinfo->colormap[0]; | 150 | register JSAMPROW color_map0 = cinfo->colormap[0]; |
151 | register JDIMENSION col; | 151 | register JDIMENSION col; |
152 | 152 | ||
153 | inptr = dest->pub.buffer[0]; | 153 | inptr = dest->pub.buffer[0]; |
154 | outptr = dest->iobuffer; | 154 | outptr = dest->iobuffer; |
155 | for (col = cinfo->output_width; col > 0; col--) { | 155 | for (col = cinfo->output_width; col > 0; col--) { |
156 | *outptr++ = (char) GETJSAMPLE(color_map0[GETJSAMPLE(*inptr++)]); | 156 | *outptr++ = (char) GETJSAMPLE(color_map0[GETJSAMPLE(*inptr++)]); |
157 | } | 157 | } |
158 | (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); | 158 | (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); |
159 | } | 159 | } |
160 | 160 | ||
161 | 161 | ||
162 | /* | 162 | /* |
163 | * Startup: write the file header. | 163 | * Startup: write the file header. |
164 | */ | 164 | */ |
165 | 165 | ||
166 | METHODDEF(void) | 166 | METHODDEF(void) |
167 | start_output_tga (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) | 167 | start_output_tga (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) |
168 | { | 168 | { |
169 | tga_dest_ptr dest = (tga_dest_ptr) dinfo; | 169 | tga_dest_ptr dest = (tga_dest_ptr) dinfo; |
170 | int num_colors, i; | 170 | int num_colors, i; |
171 | FILE *outfile; | 171 | FILE *outfile; |
172 | 172 | ||
173 | if (cinfo->out_color_space == JCS_GRAYSCALE) { | 173 | if (cinfo->out_color_space == JCS_GRAYSCALE) { |
174 | /* Targa doesn't have a mapped grayscale format, so we will */ | 174 | /* Targa doesn't have a mapped grayscale format, so we will */ |
175 | /* demap quantized gray output. Never emit a colormap. */ | 175 | /* demap quantized gray output. Never emit a colormap. */ |
176 | write_header(cinfo, dinfo, 0); | 176 | write_header(cinfo, dinfo, 0); |
177 | if (cinfo->quantize_colors) | 177 | if (cinfo->quantize_colors) |
178 | dest->pub.put_pixel_rows = put_demapped_gray; | 178 | dest->pub.put_pixel_rows = put_demapped_gray; |
179 | else | 179 | else |
180 | dest->pub.put_pixel_rows = put_gray_rows; | 180 | dest->pub.put_pixel_rows = put_gray_rows; |
181 | } else if (cinfo->out_color_space == JCS_RGB) { | 181 | } else if (cinfo->out_color_space == JCS_RGB) { |
182 | if (cinfo->quantize_colors) { | 182 | if (cinfo->quantize_colors) { |
183 | /* We only support 8-bit colormap indexes, so only 256 colors */ | 183 | /* We only support 8-bit colormap indexes, so only 256 colors */ |
184 | num_colors = cinfo->actual_number_of_colors; | 184 | num_colors = cinfo->actual_number_of_colors; |
185 | if (num_colors > 256) | 185 | if (num_colors > 256) |
186 | ERREXIT1(cinfo, JERR_TOO_MANY_COLORS, num_colors); | 186 | ERREXIT1(cinfo, JERR_TOO_MANY_COLORS, num_colors); |
187 | write_header(cinfo, dinfo, num_colors); | 187 | write_header(cinfo, dinfo, num_colors); |
188 | /* Write the colormap. Note Targa uses BGR byte order */ | 188 | /* Write the colormap. Note Targa uses BGR byte order */ |
189 | outfile = dest->pub.output_file; | 189 | outfile = dest->pub.output_file; |
190 | for (i = 0; i < num_colors; i++) { | 190 | for (i = 0; i < num_colors; i++) { |
191 | putc(GETJSAMPLE(cinfo->colormap[2][i]), outfile); | 191 | putc(GETJSAMPLE(cinfo->colormap[2][i]), outfile); |
192 | putc(GETJSAMPLE(cinfo->colormap[1][i]), outfile); | 192 | putc(GETJSAMPLE(cinfo->colormap[1][i]), outfile); |
193 | putc(GETJSAMPLE(cinfo->colormap[0][i]), outfile); | 193 | putc(GETJSAMPLE(cinfo->colormap[0][i]), outfile); |
194 | } | 194 | } |
195 | dest->pub.put_pixel_rows = put_gray_rows; | 195 | dest->pub.put_pixel_rows = put_gray_rows; |
196 | } else { | 196 | } else { |
197 | write_header(cinfo, dinfo, 0); | 197 | write_header(cinfo, dinfo, 0); |
198 | dest->pub.put_pixel_rows = put_pixel_rows; | 198 | dest->pub.put_pixel_rows = put_pixel_rows; |
199 | } | 199 | } |
200 | } else { | 200 | } else { |
201 | ERREXIT(cinfo, JERR_TGA_COLORSPACE); | 201 | ERREXIT(cinfo, JERR_TGA_COLORSPACE); |
202 | } | 202 | } |
203 | } | 203 | } |
204 | 204 | ||
205 | 205 | ||
206 | /* | 206 | /* |
207 | * Finish up at the end of the file. | 207 | * Finish up at the end of the file. |
208 | */ | 208 | */ |
209 | 209 | ||
210 | METHODDEF(void) | 210 | METHODDEF(void) |
211 | finish_output_tga (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) | 211 | finish_output_tga (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) |
212 | { | 212 | { |
213 | /* Make sure we wrote the output file OK */ | 213 | /* Make sure we wrote the output file OK */ |
214 | fflush(dinfo->output_file); | 214 | fflush(dinfo->output_file); |
215 | if (ferror(dinfo->output_file)) | 215 | if (ferror(dinfo->output_file)) |
216 | ERREXIT(cinfo, JERR_FILE_WRITE); | 216 | ERREXIT(cinfo, JERR_FILE_WRITE); |
217 | } | 217 | } |
218 | 218 | ||
219 | 219 | ||
220 | /* | 220 | /* |
221 | * The module selection routine for Targa format output. | 221 | * The module selection routine for Targa format output. |
222 | */ | 222 | */ |
223 | 223 | ||
224 | GLOBAL(djpeg_dest_ptr) | 224 | GLOBAL(djpeg_dest_ptr) |
225 | jinit_write_targa (j_decompress_ptr cinfo) | 225 | jinit_write_targa (j_decompress_ptr cinfo) |
226 | { | 226 | { |
227 | tga_dest_ptr dest; | 227 | tga_dest_ptr dest; |
228 | 228 | ||
229 | /* Create module interface object, fill in method pointers */ | 229 | /* Create module interface object, fill in method pointers */ |
230 | dest = (tga_dest_ptr) | 230 | dest = (tga_dest_ptr) |
231 | (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, | 231 | (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, |
232 | SIZEOF(tga_dest_struct)); | 232 | SIZEOF(tga_dest_struct)); |
233 | dest->pub.start_output = start_output_tga; | 233 | dest->pub.start_output = start_output_tga; |
234 | dest->pub.finish_output = finish_output_tga; | 234 | dest->pub.finish_output = finish_output_tga; |
235 | 235 | ||
236 | /* Calculate output image dimensions so we can allocate space */ | 236 | /* Calculate output image dimensions so we can allocate space */ |
237 | jpeg_calc_output_dimensions(cinfo); | 237 | jpeg_calc_output_dimensions(cinfo); |
238 | 238 | ||
239 | /* Create I/O buffer. Note we make this near on a PC. */ | 239 | /* Create I/O buffer. Note we make this near on a PC. */ |
240 | dest->buffer_width = cinfo->output_width * cinfo->output_components; | 240 | dest->buffer_width = cinfo->output_width * cinfo->output_components; |
241 | dest->iobuffer = (char *) | 241 | dest->iobuffer = (char *) |
242 | (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, | 242 | (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, |
243 | (size_t) (dest->buffer_width * SIZEOF(char))); | 243 | (size_t) (dest->buffer_width * SIZEOF(char))); |
244 | 244 | ||
245 | /* Create decompressor output buffer. */ | 245 | /* Create decompressor output buffer. */ |
246 | dest->pub.buffer = (*cinfo->mem->alloc_sarray) | 246 | dest->pub.buffer = (*cinfo->mem->alloc_sarray) |
247 | ((j_common_ptr) cinfo, JPOOL_IMAGE, dest->buffer_width, (JDIMENSION) 1); | 247 | ((j_common_ptr) cinfo, JPOOL_IMAGE, dest->buffer_width, (JDIMENSION) 1); |
248 | dest->pub.buffer_height = 1; | 248 | dest->pub.buffer_height = 1; |
249 | 249 | ||
250 | return (djpeg_dest_ptr) dest; | 250 | return (djpeg_dest_ptr) dest; |
251 | } | 251 | } |
252 | 252 | ||
253 | #endif /* TARGA_SUPPORTED */ | 253 | #endif /* TARGA_SUPPORTED */ |