diff options
Diffstat (limited to 'libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jcapistd.c')
-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jcapistd.c | 322 |
1 files changed, 161 insertions, 161 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jcapistd.c b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jcapistd.c index fed66ca..c0320b1 100644 --- a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jcapistd.c +++ b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jcapistd.c | |||
@@ -1,161 +1,161 @@ | |||
1 | /* | 1 | /* |
2 | * jcapistd.c | 2 | * jcapistd.c |
3 | * | 3 | * |
4 | * Copyright (C) 1994-1996, Thomas G. Lane. | 4 | * Copyright (C) 1994-1996, 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 application interface code for the compression half | 8 | * This file contains application interface code for the compression half |
9 | * of the JPEG library. These are the "standard" API routines that are | 9 | * of the JPEG library. These are the "standard" API routines that are |
10 | * used in the normal full-compression case. They are not used by a | 10 | * used in the normal full-compression case. They are not used by a |
11 | * transcoding-only application. Note that if an application links in | 11 | * transcoding-only application. Note that if an application links in |
12 | * jpeg_start_compress, it will end up linking in the entire compressor. | 12 | * jpeg_start_compress, it will end up linking in the entire compressor. |
13 | * We thus must separate this file from jcapimin.c to avoid linking the | 13 | * We thus must separate this file from jcapimin.c to avoid linking the |
14 | * whole compression library into a transcoder. | 14 | * whole compression library into a transcoder. |
15 | */ | 15 | */ |
16 | 16 | ||
17 | #define JPEG_INTERNALS | 17 | #define JPEG_INTERNALS |
18 | #include "jinclude.h" | 18 | #include "jinclude.h" |
19 | #include "jpeglib.h" | 19 | #include "jpeglib.h" |
20 | 20 | ||
21 | 21 | ||
22 | /* | 22 | /* |
23 | * Compression initialization. | 23 | * Compression initialization. |
24 | * Before calling this, all parameters and a data destination must be set up. | 24 | * Before calling this, all parameters and a data destination must be set up. |
25 | * | 25 | * |
26 | * We require a write_all_tables parameter as a failsafe check when writing | 26 | * We require a write_all_tables parameter as a failsafe check when writing |
27 | * multiple datastreams from the same compression object. Since prior runs | 27 | * multiple datastreams from the same compression object. Since prior runs |
28 | * will have left all the tables marked sent_table=TRUE, a subsequent run | 28 | * will have left all the tables marked sent_table=TRUE, a subsequent run |
29 | * would emit an abbreviated stream (no tables) by default. This may be what | 29 | * would emit an abbreviated stream (no tables) by default. This may be what |
30 | * is wanted, but for safety's sake it should not be the default behavior: | 30 | * is wanted, but for safety's sake it should not be the default behavior: |
31 | * programmers should have to make a deliberate choice to emit abbreviated | 31 | * programmers should have to make a deliberate choice to emit abbreviated |
32 | * images. Therefore the documentation and examples should encourage people | 32 | * images. Therefore the documentation and examples should encourage people |
33 | * to pass write_all_tables=TRUE; then it will take active thought to do the | 33 | * to pass write_all_tables=TRUE; then it will take active thought to do the |
34 | * wrong thing. | 34 | * wrong thing. |
35 | */ | 35 | */ |
36 | 36 | ||
37 | GLOBAL(void) | 37 | GLOBAL(void) |
38 | jpeg_start_compress (j_compress_ptr cinfo, boolean write_all_tables) | 38 | jpeg_start_compress (j_compress_ptr cinfo, boolean write_all_tables) |
39 | { | 39 | { |
40 | if (cinfo->global_state != CSTATE_START) | 40 | if (cinfo->global_state != CSTATE_START) |
41 | ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); | 41 | ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); |
42 | 42 | ||
43 | if (write_all_tables) | 43 | if (write_all_tables) |
44 | jpeg_suppress_tables(cinfo, FALSE); /* mark all tables to be written */ | 44 | jpeg_suppress_tables(cinfo, FALSE); /* mark all tables to be written */ |
45 | 45 | ||
46 | /* (Re)initialize error mgr and destination modules */ | 46 | /* (Re)initialize error mgr and destination modules */ |
47 | (*cinfo->err->reset_error_mgr) ((j_common_ptr) cinfo); | 47 | (*cinfo->err->reset_error_mgr) ((j_common_ptr) cinfo); |
48 | (*cinfo->dest->init_destination) (cinfo); | 48 | (*cinfo->dest->init_destination) (cinfo); |
49 | /* Perform master selection of active modules */ | 49 | /* Perform master selection of active modules */ |
50 | jinit_compress_master(cinfo); | 50 | jinit_compress_master(cinfo); |
51 | /* Set up for the first pass */ | 51 | /* Set up for the first pass */ |
52 | (*cinfo->master->prepare_for_pass) (cinfo); | 52 | (*cinfo->master->prepare_for_pass) (cinfo); |
53 | /* Ready for application to drive first pass through jpeg_write_scanlines | 53 | /* Ready for application to drive first pass through jpeg_write_scanlines |
54 | * or jpeg_write_raw_data. | 54 | * or jpeg_write_raw_data. |
55 | */ | 55 | */ |
56 | cinfo->next_scanline = 0; | 56 | cinfo->next_scanline = 0; |
57 | cinfo->global_state = (cinfo->raw_data_in ? CSTATE_RAW_OK : CSTATE_SCANNING); | 57 | cinfo->global_state = (cinfo->raw_data_in ? CSTATE_RAW_OK : CSTATE_SCANNING); |
58 | } | 58 | } |
59 | 59 | ||
60 | 60 | ||
61 | /* | 61 | /* |
62 | * Write some scanlines of data to the JPEG compressor. | 62 | * Write some scanlines of data to the JPEG compressor. |
63 | * | 63 | * |
64 | * The return value will be the number of lines actually written. | 64 | * The return value will be the number of lines actually written. |
65 | * This should be less than the supplied num_lines only in case that | 65 | * This should be less than the supplied num_lines only in case that |
66 | * the data destination module has requested suspension of the compressor, | 66 | * the data destination module has requested suspension of the compressor, |
67 | * or if more than image_height scanlines are passed in. | 67 | * or if more than image_height scanlines are passed in. |
68 | * | 68 | * |
69 | * Note: we warn about excess calls to jpeg_write_scanlines() since | 69 | * Note: we warn about excess calls to jpeg_write_scanlines() since |
70 | * this likely signals an application programmer error. However, | 70 | * this likely signals an application programmer error. However, |
71 | * excess scanlines passed in the last valid call are *silently* ignored, | 71 | * excess scanlines passed in the last valid call are *silently* ignored, |
72 | * so that the application need not adjust num_lines for end-of-image | 72 | * so that the application need not adjust num_lines for end-of-image |
73 | * when using a multiple-scanline buffer. | 73 | * when using a multiple-scanline buffer. |
74 | */ | 74 | */ |
75 | 75 | ||
76 | GLOBAL(JDIMENSION) | 76 | GLOBAL(JDIMENSION) |
77 | jpeg_write_scanlines (j_compress_ptr cinfo, JSAMPARRAY scanlines, | 77 | jpeg_write_scanlines (j_compress_ptr cinfo, JSAMPARRAY scanlines, |
78 | JDIMENSION num_lines) | 78 | JDIMENSION num_lines) |
79 | { | 79 | { |
80 | JDIMENSION row_ctr, rows_left; | 80 | JDIMENSION row_ctr, rows_left; |
81 | 81 | ||
82 | if (cinfo->global_state != CSTATE_SCANNING) | 82 | if (cinfo->global_state != CSTATE_SCANNING) |
83 | ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); | 83 | ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); |
84 | if (cinfo->next_scanline >= cinfo->image_height) | 84 | if (cinfo->next_scanline >= cinfo->image_height) |
85 | WARNMS(cinfo, JWRN_TOO_MUCH_DATA); | 85 | WARNMS(cinfo, JWRN_TOO_MUCH_DATA); |
86 | 86 | ||
87 | /* Call progress monitor hook if present */ | 87 | /* Call progress monitor hook if present */ |
88 | if (cinfo->progress != NULL) { | 88 | if (cinfo->progress != NULL) { |
89 | cinfo->progress->pass_counter = (long) cinfo->next_scanline; | 89 | cinfo->progress->pass_counter = (long) cinfo->next_scanline; |
90 | cinfo->progress->pass_limit = (long) cinfo->image_height; | 90 | cinfo->progress->pass_limit = (long) cinfo->image_height; |
91 | (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); | 91 | (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); |
92 | } | 92 | } |
93 | 93 | ||
94 | /* Give master control module another chance if this is first call to | 94 | /* Give master control module another chance if this is first call to |
95 | * jpeg_write_scanlines. This lets output of the frame/scan headers be | 95 | * jpeg_write_scanlines. This lets output of the frame/scan headers be |
96 | * delayed so that application can write COM, etc, markers between | 96 | * delayed so that application can write COM, etc, markers between |
97 | * jpeg_start_compress and jpeg_write_scanlines. | 97 | * jpeg_start_compress and jpeg_write_scanlines. |
98 | */ | 98 | */ |
99 | if (cinfo->master->call_pass_startup) | 99 | if (cinfo->master->call_pass_startup) |
100 | (*cinfo->master->pass_startup) (cinfo); | 100 | (*cinfo->master->pass_startup) (cinfo); |
101 | 101 | ||
102 | /* Ignore any extra scanlines at bottom of image. */ | 102 | /* Ignore any extra scanlines at bottom of image. */ |
103 | rows_left = cinfo->image_height - cinfo->next_scanline; | 103 | rows_left = cinfo->image_height - cinfo->next_scanline; |
104 | if (num_lines > rows_left) | 104 | if (num_lines > rows_left) |
105 | num_lines = rows_left; | 105 | num_lines = rows_left; |
106 | 106 | ||
107 | row_ctr = 0; | 107 | row_ctr = 0; |
108 | (*cinfo->main->process_data) (cinfo, scanlines, &row_ctr, num_lines); | 108 | (*cinfo->main->process_data) (cinfo, scanlines, &row_ctr, num_lines); |
109 | cinfo->next_scanline += row_ctr; | 109 | cinfo->next_scanline += row_ctr; |
110 | return row_ctr; | 110 | return row_ctr; |
111 | } | 111 | } |
112 | 112 | ||
113 | 113 | ||
114 | /* | 114 | /* |
115 | * Alternate entry point to write raw data. | 115 | * Alternate entry point to write raw data. |
116 | * Processes exactly one iMCU row per call, unless suspended. | 116 | * Processes exactly one iMCU row per call, unless suspended. |
117 | */ | 117 | */ |
118 | 118 | ||
119 | GLOBAL(JDIMENSION) | 119 | GLOBAL(JDIMENSION) |
120 | jpeg_write_raw_data (j_compress_ptr cinfo, JSAMPIMAGE data, | 120 | jpeg_write_raw_data (j_compress_ptr cinfo, JSAMPIMAGE data, |
121 | JDIMENSION num_lines) | 121 | JDIMENSION num_lines) |
122 | { | 122 | { |
123 | JDIMENSION lines_per_iMCU_row; | 123 | JDIMENSION lines_per_iMCU_row; |
124 | 124 | ||
125 | if (cinfo->global_state != CSTATE_RAW_OK) | 125 | if (cinfo->global_state != CSTATE_RAW_OK) |
126 | ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); | 126 | ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); |
127 | if (cinfo->next_scanline >= cinfo->image_height) { | 127 | if (cinfo->next_scanline >= cinfo->image_height) { |
128 | WARNMS(cinfo, JWRN_TOO_MUCH_DATA); | 128 | WARNMS(cinfo, JWRN_TOO_MUCH_DATA); |
129 | return 0; | 129 | return 0; |
130 | } | 130 | } |
131 | 131 | ||
132 | /* Call progress monitor hook if present */ | 132 | /* Call progress monitor hook if present */ |
133 | if (cinfo->progress != NULL) { | 133 | if (cinfo->progress != NULL) { |
134 | cinfo->progress->pass_counter = (long) cinfo->next_scanline; | 134 | cinfo->progress->pass_counter = (long) cinfo->next_scanline; |
135 | cinfo->progress->pass_limit = (long) cinfo->image_height; | 135 | cinfo->progress->pass_limit = (long) cinfo->image_height; |
136 | (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); | 136 | (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); |
137 | } | 137 | } |
138 | 138 | ||
139 | /* Give master control module another chance if this is first call to | 139 | /* Give master control module another chance if this is first call to |
140 | * jpeg_write_raw_data. This lets output of the frame/scan headers be | 140 | * jpeg_write_raw_data. This lets output of the frame/scan headers be |
141 | * delayed so that application can write COM, etc, markers between | 141 | * delayed so that application can write COM, etc, markers between |
142 | * jpeg_start_compress and jpeg_write_raw_data. | 142 | * jpeg_start_compress and jpeg_write_raw_data. |
143 | */ | 143 | */ |
144 | if (cinfo->master->call_pass_startup) | 144 | if (cinfo->master->call_pass_startup) |
145 | (*cinfo->master->pass_startup) (cinfo); | 145 | (*cinfo->master->pass_startup) (cinfo); |
146 | 146 | ||
147 | /* Verify that at least one iMCU row has been passed. */ | 147 | /* Verify that at least one iMCU row has been passed. */ |
148 | lines_per_iMCU_row = cinfo->max_v_samp_factor * DCTSIZE; | 148 | lines_per_iMCU_row = cinfo->max_v_samp_factor * DCTSIZE; |
149 | if (num_lines < lines_per_iMCU_row) | 149 | if (num_lines < lines_per_iMCU_row) |
150 | ERREXIT(cinfo, JERR_BUFFER_SIZE); | 150 | ERREXIT(cinfo, JERR_BUFFER_SIZE); |
151 | 151 | ||
152 | /* Directly compress the row. */ | 152 | /* Directly compress the row. */ |
153 | if (! (*cinfo->coef->compress_data) (cinfo, data)) { | 153 | if (! (*cinfo->coef->compress_data) (cinfo, data)) { |
154 | /* If compressor did not consume the whole row, suspend processing. */ | 154 | /* If compressor did not consume the whole row, suspend processing. */ |
155 | return 0; | 155 | return 0; |
156 | } | 156 | } |
157 | 157 | ||
158 | /* OK, we processed one iMCU row. */ | 158 | /* OK, we processed one iMCU row. */ |
159 | cinfo->next_scanline += lines_per_iMCU_row; | 159 | cinfo->next_scanline += lines_per_iMCU_row; |
160 | return lines_per_iMCU_row; | 160 | return lines_per_iMCU_row; |
161 | } | 161 | } |