Update netRadiant source

[voretournament/voretournament.git] / misc / source / netradiant-src / libs / jpeg6 / jdtrans.cpp

diff --git a/misc/source/netradiant-src/libs/jpeg6/jdtrans.cpp b/misc/source/netradiant-src/libs/jpeg6/jdtrans.cpp
deleted file mode 100644 (file)
index 3f05ae3..0000000
--- a/misc/source/netradiant-src/libs/jpeg6/jdtrans.cpp
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * jdtrans.c
- *
- * Copyright (C) 1995, Thomas G. Lane.
- * 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 "radiant_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.
- *
- * 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;
-  } else if (cinfo->global_state != DSTATE_RDCOEFS)
-    ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
-  /* 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;
-  return cinfo->coef->coef_arrays;
-}
-
-
-/*
- * 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)
-{
-  /* Entropy decoding: either Huffman or arithmetic coding. */
-  if (cinfo->arith_code) {
-    ERREXIT(cinfo, JERR_ARITH_NOTIMPL);
-  } else {
-    if (cinfo->progressive_mode) {
-#ifdef D_PROGRESSIVE_SUPPORTED
-      jinit_phuff_decoder(cinfo);
-#else
-      ERREXIT(cinfo, JERR_NOT_COMPILED);
-#endif
-    } 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;
-  }
-}