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authorDavid Walter Seikel2013-01-13 18:54:10 +1000
committerDavid Walter Seikel2013-01-13 18:54:10 +1000
commit959831f4ef5a3e797f576c3de08cd65032c997ad (patch)
treee7351908be5995f0b325b2ebeaa02d5a34b82583 /libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c
parentAdd 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 'libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c')
-rw-r--r--libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c280
1 files changed, 140 insertions, 140 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c
index a51d69d..22dd47f 100644
--- a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c
+++ b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c
@@ -1,140 +1,140 @@
1/* 1/*
2 * jdtrans.c 2 * jdtrans.c
3 * 3 *
4 * Copyright (C) 1995-1997, Thomas G. Lane. 4 * Copyright (C) 1995-1997, Thomas G. Lane.
5 * Modified 2000-2009 by Guido Vollbeding. 5 * Modified 2000-2009 by Guido Vollbeding.
6 * This file is part of the Independent JPEG Group's software. 6 * This file is part of the Independent JPEG Group's software.
7 * For conditions of distribution and use, see the accompanying README file. 7 * For conditions of distribution and use, see the accompanying README file.
8 * 8 *
9 * This file contains library routines for transcoding decompression, 9 * This file contains library routines for transcoding decompression,
10 * that is, reading raw DCT coefficient arrays from an input JPEG file. 10 * that is, reading raw DCT coefficient arrays from an input JPEG file.
11 * The routines in jdapimin.c will also be needed by a transcoder. 11 * The routines in jdapimin.c will also be needed by a transcoder.
12 */ 12 */
13 13
14#define JPEG_INTERNALS 14#define JPEG_INTERNALS
15#include "jinclude.h" 15#include "jinclude.h"
16#include "jpeglib.h" 16#include "jpeglib.h"
17 17
18 18
19/* Forward declarations */ 19/* Forward declarations */
20LOCAL(void) transdecode_master_selection JPP((j_decompress_ptr cinfo)); 20LOCAL(void) transdecode_master_selection JPP((j_decompress_ptr cinfo));
21 21
22 22
23/* 23/*
24 * Read the coefficient arrays from a JPEG file. 24 * Read the coefficient arrays from a JPEG file.
25 * jpeg_read_header must be completed before calling this. 25 * jpeg_read_header must be completed before calling this.
26 * 26 *
27 * The entire image is read into a set of virtual coefficient-block arrays, 27 * The entire image is read into a set of virtual coefficient-block arrays,
28 * one per component. The return value is a pointer to the array of 28 * one per component. The return value is a pointer to the array of
29 * virtual-array descriptors. These can be manipulated directly via the 29 * virtual-array descriptors. These can be manipulated directly via the
30 * JPEG memory manager, or handed off to jpeg_write_coefficients(). 30 * JPEG memory manager, or handed off to jpeg_write_coefficients().
31 * To release the memory occupied by the virtual arrays, call 31 * To release the memory occupied by the virtual arrays, call
32 * jpeg_finish_decompress() when done with the data. 32 * jpeg_finish_decompress() when done with the data.
33 * 33 *
34 * An alternative usage is to simply obtain access to the coefficient arrays 34 * An alternative usage is to simply obtain access to the coefficient arrays
35 * during a buffered-image-mode decompression operation. This is allowed 35 * during a buffered-image-mode decompression operation. This is allowed
36 * after any jpeg_finish_output() call. The arrays can be accessed until 36 * after any jpeg_finish_output() call. The arrays can be accessed until
37 * jpeg_finish_decompress() is called. (Note that any call to the library 37 * jpeg_finish_decompress() is called. (Note that any call to the library
38 * may reposition the arrays, so don't rely on access_virt_barray() results 38 * may reposition the arrays, so don't rely on access_virt_barray() results
39 * to stay valid across library calls.) 39 * to stay valid across library calls.)
40 * 40 *
41 * Returns NULL if suspended. This case need be checked only if 41 * Returns NULL if suspended. This case need be checked only if
42 * a suspending data source is used. 42 * a suspending data source is used.
43 */ 43 */
44 44
45GLOBAL(jvirt_barray_ptr *) 45GLOBAL(jvirt_barray_ptr *)
46jpeg_read_coefficients (j_decompress_ptr cinfo) 46jpeg_read_coefficients (j_decompress_ptr cinfo)
47{ 47{
48 if (cinfo->global_state == DSTATE_READY) { 48 if (cinfo->global_state == DSTATE_READY) {
49 /* First call: initialize active modules */ 49 /* First call: initialize active modules */
50 transdecode_master_selection(cinfo); 50 transdecode_master_selection(cinfo);
51 cinfo->global_state = DSTATE_RDCOEFS; 51 cinfo->global_state = DSTATE_RDCOEFS;
52 } 52 }
53 if (cinfo->global_state == DSTATE_RDCOEFS) { 53 if (cinfo->global_state == DSTATE_RDCOEFS) {
54 /* Absorb whole file into the coef buffer */ 54 /* Absorb whole file into the coef buffer */
55 for (;;) { 55 for (;;) {
56 int retcode; 56 int retcode;
57 /* Call progress monitor hook if present */ 57 /* Call progress monitor hook if present */
58 if (cinfo->progress != NULL) 58 if (cinfo->progress != NULL)
59 (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); 59 (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo);
60 /* Absorb some more input */ 60 /* Absorb some more input */
61 retcode = (*cinfo->inputctl->consume_input) (cinfo); 61 retcode = (*cinfo->inputctl->consume_input) (cinfo);
62 if (retcode == JPEG_SUSPENDED) 62 if (retcode == JPEG_SUSPENDED)
63 return NULL; 63 return NULL;
64 if (retcode == JPEG_REACHED_EOI) 64 if (retcode == JPEG_REACHED_EOI)
65 break; 65 break;
66 /* Advance progress counter if appropriate */ 66 /* Advance progress counter if appropriate */
67 if (cinfo->progress != NULL && 67 if (cinfo->progress != NULL &&
68 (retcode == JPEG_ROW_COMPLETED || retcode == JPEG_REACHED_SOS)) { 68 (retcode == JPEG_ROW_COMPLETED || retcode == JPEG_REACHED_SOS)) {
69 if (++cinfo->progress->pass_counter >= cinfo->progress->pass_limit) { 69 if (++cinfo->progress->pass_counter >= cinfo->progress->pass_limit) {
70 /* startup underestimated number of scans; ratchet up one scan */ 70 /* startup underestimated number of scans; ratchet up one scan */
71 cinfo->progress->pass_limit += (long) cinfo->total_iMCU_rows; 71 cinfo->progress->pass_limit += (long) cinfo->total_iMCU_rows;
72 } 72 }
73 } 73 }
74 } 74 }
75 /* Set state so that jpeg_finish_decompress does the right thing */ 75 /* Set state so that jpeg_finish_decompress does the right thing */
76 cinfo->global_state = DSTATE_STOPPING; 76 cinfo->global_state = DSTATE_STOPPING;
77 } 77 }
78 /* At this point we should be in state DSTATE_STOPPING if being used 78 /* At this point we should be in state DSTATE_STOPPING if being used
79 * standalone, or in state DSTATE_BUFIMAGE if being invoked to get access 79 * standalone, or in state DSTATE_BUFIMAGE if being invoked to get access
80 * to the coefficients during a full buffered-image-mode decompression. 80 * to the coefficients during a full buffered-image-mode decompression.
81 */ 81 */
82 if ((cinfo->global_state == DSTATE_STOPPING || 82 if ((cinfo->global_state == DSTATE_STOPPING ||
83 cinfo->global_state == DSTATE_BUFIMAGE) && cinfo->buffered_image) { 83 cinfo->global_state == DSTATE_BUFIMAGE) && cinfo->buffered_image) {
84 return cinfo->coef->coef_arrays; 84 return cinfo->coef->coef_arrays;
85 } 85 }
86 /* Oops, improper usage */ 86 /* Oops, improper usage */
87 ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); 87 ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
88 return NULL; /* keep compiler happy */ 88 return NULL; /* keep compiler happy */
89} 89}
90 90
91 91
92/* 92/*
93 * Master selection of decompression modules for transcoding. 93 * Master selection of decompression modules for transcoding.
94 * This substitutes for jdmaster.c's initialization of the full decompressor. 94 * This substitutes for jdmaster.c's initialization of the full decompressor.
95 */ 95 */
96 96
97LOCAL(void) 97LOCAL(void)
98transdecode_master_selection (j_decompress_ptr cinfo) 98transdecode_master_selection (j_decompress_ptr cinfo)
99{ 99{
100 /* This is effectively a buffered-image operation. */ 100 /* This is effectively a buffered-image operation. */
101 cinfo->buffered_image = TRUE; 101 cinfo->buffered_image = TRUE;
102 102
103 /* Compute output image dimensions and related values. */ 103 /* Compute output image dimensions and related values. */
104 jpeg_core_output_dimensions(cinfo); 104 jpeg_core_output_dimensions(cinfo);
105 105
106 /* Entropy decoding: either Huffman or arithmetic coding. */ 106 /* Entropy decoding: either Huffman or arithmetic coding. */
107 if (cinfo->arith_code) 107 if (cinfo->arith_code)
108 jinit_arith_decoder(cinfo); 108 jinit_arith_decoder(cinfo);
109 else { 109 else {
110 jinit_huff_decoder(cinfo); 110 jinit_huff_decoder(cinfo);
111 } 111 }
112 112
113 /* Always get a full-image coefficient buffer. */ 113 /* Always get a full-image coefficient buffer. */
114 jinit_d_coef_controller(cinfo, TRUE); 114 jinit_d_coef_controller(cinfo, TRUE);
115 115
116 /* We can now tell the memory manager to allocate virtual arrays. */ 116 /* We can now tell the memory manager to allocate virtual arrays. */
117 (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo); 117 (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo);
118 118
119 /* Initialize input side of decompressor to consume first scan. */ 119 /* Initialize input side of decompressor to consume first scan. */
120 (*cinfo->inputctl->start_input_pass) (cinfo); 120 (*cinfo->inputctl->start_input_pass) (cinfo);
121 121
122 /* Initialize progress monitoring. */ 122 /* Initialize progress monitoring. */
123 if (cinfo->progress != NULL) { 123 if (cinfo->progress != NULL) {
124 int nscans; 124 int nscans;
125 /* Estimate number of scans to set pass_limit. */ 125 /* Estimate number of scans to set pass_limit. */
126 if (cinfo->progressive_mode) { 126 if (cinfo->progressive_mode) {
127 /* Arbitrarily estimate 2 interleaved DC scans + 3 AC scans/component. */ 127 /* Arbitrarily estimate 2 interleaved DC scans + 3 AC scans/component. */
128 nscans = 2 + 3 * cinfo->num_components; 128 nscans = 2 + 3 * cinfo->num_components;
129 } else if (cinfo->inputctl->has_multiple_scans) { 129 } else if (cinfo->inputctl->has_multiple_scans) {
130 /* For a nonprogressive multiscan file, estimate 1 scan per component. */ 130 /* For a nonprogressive multiscan file, estimate 1 scan per component. */
131 nscans = cinfo->num_components; 131 nscans = cinfo->num_components;
132 } else { 132 } else {
133 nscans = 1; 133 nscans = 1;
134 } 134 }
135 cinfo->progress->pass_counter = 0L; 135 cinfo->progress->pass_counter = 0L;
136 cinfo->progress->pass_limit = (long) cinfo->total_iMCU_rows * nscans; 136 cinfo->progress->pass_limit = (long) cinfo->total_iMCU_rows * nscans;
137 cinfo->progress->completed_passes = 0; 137 cinfo->progress->completed_passes = 0;
138 cinfo->progress->total_passes = 1; 138 cinfo->progress->total_passes = 1;
139 } 139 }
140} 140}