1 files changed, 140 insertions, 0 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c
new file mode 100644
index 0000000..a51d69d
--- /dev/null
+++ b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c
@@ -0,0 +1,140 @@
+/*
+ * jdtrans.c
+ *
+ * Copyright (C) 1995-1997, Thomas G. Lane.
+ * Modified 2000-2009 by Guido Vollbeding.
+ * This file is part of the Independent JPEG Group's software.
+ * For conditions of distribution and use, see the accompanying README file.
+ *
+ * This file contains library routines for transcoding decompression,
+ * that is, reading raw DCT coefficient arrays from an input JPEG file.
+ * The routines in jdapimin.c will also be needed by a transcoder.
+ */
+#define JPEG_INTERNALS
+#include "jinclude.h"
+#include "jpeglib.h"
+/* Forward declarations */
+LOCAL(void) transdecode_master_selection JPP((j_decompress_ptr cinfo));
+/*
+ * Read the coefficient arrays from a JPEG file.
+ * jpeg_read_header must be completed before calling this.
+ *
+ * The entire image is read into a set of virtual coefficient-block arrays,
+ * one per component.  The return value is a pointer to the array of
+ * virtual-array descriptors.  These can be manipulated directly via the
+ * JPEG memory manager, or handed off to jpeg_write_coefficients().
+ * To release the memory occupied by the virtual arrays, call
+ * jpeg_finish_decompress() when done with the data.
+ *
+ * An alternative usage is to simply obtain access to the coefficient arrays
+ * during a buffered-image-mode decompression operation.  This is allowed
+ * after any jpeg_finish_output() call.  The arrays can be accessed until
+ * jpeg_finish_decompress() is called.  (Note that any call to the library
+ * may reposition the arrays, so don't rely on access_virt_barray() results
+ * to stay valid across library calls.)
+ *
+ * Returns NULL if suspended.  This case need be checked only if
+ * a suspending data source is used.
+ */
+GLOBAL(jvirt_barray_ptr *)
+jpeg_read_coefficients (j_decompress_ptr cinfo)
+{
+  if (cinfo->global_state == DSTATE_READY) {
+    /* First call: initialize active modules */
+    transdecode_master_selection(cinfo);
+    cinfo->global_state = DSTATE_RDCOEFS;
+  }
+  if (cinfo->global_state == DSTATE_RDCOEFS) {
+    /* Absorb whole file into the coef buffer */
+    for (;;) {
+      int retcode;
+      /* Call progress monitor hook if present */
+      if (cinfo->progress != NULL)
+        (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo);
+      /* Absorb some more input */
+      retcode = (*cinfo->inputctl->consume_input) (cinfo);
+      if (retcode == JPEG_SUSPENDED)
+        return NULL;
+      if (retcode == JPEG_REACHED_EOI)
+        break;
+      /* Advance progress counter if appropriate */
+      if (cinfo->progress != NULL &&
+          (retcode == JPEG_ROW_COMPLETED || retcode == JPEG_REACHED_SOS)) {
+        if (++cinfo->progress->pass_counter >= cinfo->progress->pass_limit) {
+          /* startup underestimated number of scans; ratchet up one scan */
+          cinfo->progress->pass_limit += (long) cinfo->total_iMCU_rows;
+        }
+      }
+    }
+    /* Set state so that jpeg_finish_decompress does the right thing */
+    cinfo->global_state = DSTATE_STOPPING;
+  }
+  /* At this point we should be in state DSTATE_STOPPING if being used
+   * standalone, or in state DSTATE_BUFIMAGE if being invoked to get access
+   * to the coefficients during a full buffered-image-mode decompression.
+   */
+  if ((cinfo->global_state == DSTATE_STOPPING ||
+       cinfo->global_state == DSTATE_BUFIMAGE) && cinfo->buffered_image) {
+    return cinfo->coef->coef_arrays;
+  }
+  /* Oops, improper usage */
+  ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
+  return NULL;                  /* keep compiler happy */
+}
+/*
+ * Master selection of decompression modules for transcoding.
+ * This substitutes for jdmaster.c's initialization of the full decompressor.
+ */
+LOCAL(void)
+transdecode_master_selection (j_decompress_ptr cinfo)
+{
+  /* This is effectively a buffered-image operation. */
+  cinfo->buffered_image = TRUE;
+  /* Compute output image dimensions and related values. */
+  jpeg_core_output_dimensions(cinfo);
+  /* Entropy decoding: either Huffman or arithmetic coding. */
+  if (cinfo->arith_code)
+    jinit_arith_decoder(cinfo);
+  else {
+    jinit_huff_decoder(cinfo);
+  }
+  /* Always get a full-image coefficient buffer. */
+  jinit_d_coef_controller(cinfo, TRUE);
+  /* We can now tell the memory manager to allocate virtual arrays. */
+  (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo);
+  /* Initialize input side of decompressor to consume first scan. */
+  (*cinfo->inputctl->start_input_pass) (cinfo);
+  /* Initialize progress monitoring. */
+  if (cinfo->progress != NULL) {
+    int nscans;
+    /* Estimate number of scans to set pass_limit. */
+    if (cinfo->progressive_mode) {
+      /* Arbitrarily estimate 2 interleaved DC scans + 3 AC scans/component. */
+      nscans = 2 + 3 * cinfo->num_components;
+    } else if (cinfo->inputctl->has_multiple_scans) {
+      /* For a nonprogressive multiscan file, estimate 1 scan per component. */
+      nscans = cinfo->num_components;
+    } else {
+      nscans = 1;
+    }
+    cinfo->progress->pass_counter = 0L;
+    cinfo->progress->pass_limit = (long) cinfo->total_iMCU_rows * nscans;
+    cinfo->progress->completed_passes = 0;
+    cinfo->progress->total_passes = 1;
+  }
+}

diff --git a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c new file mode 100644 index 0000000..a51d69d --- /dev/null +++ b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/jdtrans.c
@@ -0,0 +1,140 @@
	1	/*
	2	* jdtrans.c
	3	*
	4	* Copyright (C) 1995-1997, Thomas G. Lane.
	5	* Modified 2000-2009 by Guido Vollbeding.
	6	* This file is part of the Independent JPEG Group's software.
	7	* For conditions of distribution and use, see the accompanying README file.
	8	*
	9	* This file contains library routines for transcoding decompression,
	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.
	12	*/
	13
	14	#define JPEG_INTERNALS
	15	#include "jinclude.h"
	16	#include "jpeglib.h"
	17
	18
	19	/* Forward declarations */
	20	LOCAL(void) transdecode_master_selection JPP((j_decompress_ptr cinfo));
	21
	22
	23	/*
	24	* Read the coefficient arrays from a JPEG file.
	25	* jpeg_read_header must be completed before calling this.
	26	*
	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
	29	* virtual-array descriptors. These can be manipulated directly via the
	30	* JPEG memory manager, or handed off to jpeg_write_coefficients().
	31	* To release the memory occupied by the virtual arrays, call
	32	* jpeg_finish_decompress() when done with the data.
	33	*
	34	* An alternative usage is to simply obtain access to the coefficient arrays
	35	* during a buffered-image-mode decompression operation. This is allowed
	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
	38	* may reposition the arrays, so don't rely on access_virt_barray() results
	39	* to stay valid across library calls.)
	40	*
	41	* Returns NULL if suspended. This case need be checked only if
	42	* a suspending data source is used.
	43	*/
	44
	45	GLOBAL(jvirt_barray_ptr *)
	46	jpeg_read_coefficients (j_decompress_ptr cinfo)
	47	{
	48	if (cinfo->global_state == DSTATE_READY) {
	49	/* First call: initialize active modules */
	50	transdecode_master_selection(cinfo);
	51	cinfo->global_state = DSTATE_RDCOEFS;
	52	}
	53	if (cinfo->global_state == DSTATE_RDCOEFS) {
	54	/* Absorb whole file into the coef buffer */
	55	for (;;) {
	56	int retcode;
	57	/* Call progress monitor hook if present */
	58	if (cinfo->progress != NULL)
	59	(*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo);
	60	/* Absorb some more input */
	61	retcode = (*cinfo->inputctl->consume_input) (cinfo);
	62	if (retcode == JPEG_SUSPENDED)
	63	return NULL;
	64	if (retcode == JPEG_REACHED_EOI)
	65	break;
	66	/* Advance progress counter if appropriate */
	67	if (cinfo->progress != NULL &&
	68	(retcode == JPEG_ROW_COMPLETED \|\| retcode == JPEG_REACHED_SOS)) {
	69	if (++cinfo->progress->pass_counter >= cinfo->progress->pass_limit) {
	70	/* startup underestimated number of scans; ratchet up one scan */
	71	cinfo->progress->pass_limit += (long) cinfo->total_iMCU_rows;
	72	}
	73	}
	74	}
	75	/* Set state so that jpeg_finish_decompress does the right thing */
	76	cinfo->global_state = DSTATE_STOPPING;
	77	}
	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
	80	* to the coefficients during a full buffered-image-mode decompression.
	81	*/
	82	if ((cinfo->global_state == DSTATE_STOPPING \|\|
	83	cinfo->global_state == DSTATE_BUFIMAGE) && cinfo->buffered_image) {
	84	return cinfo->coef->coef_arrays;
	85	}
	86	/* Oops, improper usage */
	87	ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
	88	return NULL; /* keep compiler happy */
	89	}
	90
	91
	92	/*
	93	* Master selection of decompression modules for transcoding.
	94	* This substitutes for jdmaster.c's initialization of the full decompressor.
	95	*/
	96
	97	LOCAL(void)
	98	transdecode_master_selection (j_decompress_ptr cinfo)
	99	{
	100	/* This is effectively a buffered-image operation. */
	101	cinfo->buffered_image = TRUE;
	102
	103	/* Compute output image dimensions and related values. */
	104	jpeg_core_output_dimensions(cinfo);
	105
	106	/* Entropy decoding: either Huffman or arithmetic coding. */
	107	if (cinfo->arith_code)
	108	jinit_arith_decoder(cinfo);
	109	else {
	110	jinit_huff_decoder(cinfo);
	111	}
	112
	113	/* Always get a full-image coefficient buffer. */
	114	jinit_d_coef_controller(cinfo, TRUE);
	115
	116	/* We can now tell the memory manager to allocate virtual arrays. */
	117	(*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo);
	118
	119	/* Initialize input side of decompressor to consume first scan. */
	120	(*cinfo->inputctl->start_input_pass) (cinfo);
	121
	122	/* Initialize progress monitoring. */
	123	if (cinfo->progress != NULL) {
	124	int nscans;
	125	/* Estimate number of scans to set pass_limit. */
	126	if (cinfo->progressive_mode) {
	127	/* Arbitrarily estimate 2 interleaved DC scans + 3 AC scans/component. */
	128	nscans = 2 + 3 * cinfo->num_components;
	129	} else if (cinfo->inputctl->has_multiple_scans) {
	130	/* For a nonprogressive multiscan file, estimate 1 scan per component. */
	131	nscans = cinfo->num_components;
	132	} else {
	133	nscans = 1;
	134	}
	135	cinfo->progress->pass_counter = 0L;
	136	cinfo->progress->pass_limit = (long) cinfo->total_iMCU_rows * nscans;
	137	cinfo->progress->completed_passes = 0;
	138	cinfo->progress->total_passes = 1;
	139	}
	140	}