From da4a717ddcd6ba5b5b0819aabbe49fcd5f77ae4d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sat, 2 May 2015 10:09:28 +0200 Subject: remove unused sources --- jpeg/wrrle.c | 305 ----------------------------------------------------------- 1 file changed, 305 deletions(-) delete mode 100644 jpeg/wrrle.c (limited to 'jpeg/wrrle.c') diff --git a/jpeg/wrrle.c b/jpeg/wrrle.c deleted file mode 100644 index a4e7337..0000000 --- a/jpeg/wrrle.c +++ /dev/null @@ -1,305 +0,0 @@ -/* - * wrrle.c - * - * Copyright (C) 1991-1996, 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 routines to write output images in RLE format. - * The Utah Raster Toolkit library is required (version 3.1 or later). - * - * These routines may need modification for non-Unix environments or - * specialized applications. As they stand, they assume output to - * an ordinary stdio stream. - * - * Based on code contributed by Mike Lijewski, - * with updates from Robert Hutchinson. - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ - -#ifdef RLE_SUPPORTED - -/* rle.h is provided by the Utah Raster Toolkit. */ - -#include - -/* - * We assume that JSAMPLE has the same representation as rle_pixel, - * to wit, "unsigned char". Hence we can't cope with 12- or 16-bit samples. - */ - -#if BITS_IN_JSAMPLE != 8 - Sorry, this code only copes with 8-bit JSAMPLEs. /* deliberate syntax err */ -#endif - - -/* - * Since RLE stores scanlines bottom-to-top, we have to invert the image - * from JPEG's top-to-bottom order. To do this, we save the outgoing data - * in a virtual array during put_pixel_row calls, then actually emit the - * RLE file during finish_output. - */ - - -/* - * For now, if we emit an RLE color map then it is always 256 entries long, - * though not all of the entries need be used. - */ - -#define CMAPBITS 8 -#define CMAPLENGTH (1<<(CMAPBITS)) - -typedef struct { - struct djpeg_dest_struct pub; /* public fields */ - - jvirt_sarray_ptr image; /* virtual array to store the output image */ - rle_map *colormap; /* RLE-style color map, or NULL if none */ - rle_pixel **rle_row; /* To pass rows to rle_putrow() */ - -} rle_dest_struct; - -typedef rle_dest_struct * rle_dest_ptr; - -/* Forward declarations */ -METHODDEF(void) rle_put_pixel_rows - JPP((j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied)); - - -/* - * Write the file header. - * - * In this module it's easier to wait till finish_output to write anything. - */ - -METHODDEF(void) -start_output_rle (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) -{ - rle_dest_ptr dest = (rle_dest_ptr) dinfo; - size_t cmapsize; - int i, ci; -#ifdef PROGRESS_REPORT - cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress; -#endif - - /* - * Make sure the image can be stored in RLE format. - * - * - RLE stores image dimensions as *signed* 16 bit integers. JPEG - * uses unsigned, so we have to check the width. - * - * - Colorspace is expected to be grayscale or RGB. - * - * - The number of channels (components) is expected to be 1 (grayscale/ - * pseudocolor) or 3 (truecolor/directcolor). - * (could be 2 or 4 if using an alpha channel, but we aren't) - */ - - if (cinfo->output_width > 32767 || cinfo->output_height > 32767) - ERREXIT2(cinfo, JERR_RLE_DIMENSIONS, cinfo->output_width, - cinfo->output_height); - - if (cinfo->out_color_space != JCS_GRAYSCALE && - cinfo->out_color_space != JCS_RGB) - ERREXIT(cinfo, JERR_RLE_COLORSPACE); - - if (cinfo->output_components != 1 && cinfo->output_components != 3) - ERREXIT1(cinfo, JERR_RLE_TOOMANYCHANNELS, cinfo->num_components); - - /* Convert colormap, if any, to RLE format. */ - - dest->colormap = NULL; - - if (cinfo->quantize_colors) { - /* Allocate storage for RLE-style cmap, zero any extra entries */ - cmapsize = cinfo->out_color_components * CMAPLENGTH * SIZEOF(rle_map); - dest->colormap = (rle_map *) (*cinfo->mem->alloc_small) - ((j_common_ptr) cinfo, JPOOL_IMAGE, cmapsize); - MEMZERO(dest->colormap, cmapsize); - - /* Save away data in RLE format --- note 8-bit left shift! */ - /* Shifting would need adjustment for JSAMPLEs wider than 8 bits. */ - for (ci = 0; ci < cinfo->out_color_components; ci++) { - for (i = 0; i < cinfo->actual_number_of_colors; i++) { - dest->colormap[ci * CMAPLENGTH + i] = - GETJSAMPLE(cinfo->colormap[ci][i]) << 8; - } - } - } - - /* Set the output buffer to the first row */ - dest->pub.buffer = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, dest->image, (JDIMENSION) 0, (JDIMENSION) 1, TRUE); - dest->pub.buffer_height = 1; - - dest->pub.put_pixel_rows = rle_put_pixel_rows; - -#ifdef PROGRESS_REPORT - if (progress != NULL) { - progress->total_extra_passes++; /* count file writing as separate pass */ - } -#endif -} - - -/* - * Write some pixel data. - * - * This routine just saves the data away in a virtual array. - */ - -METHODDEF(void) -rle_put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied) -{ - rle_dest_ptr dest = (rle_dest_ptr) dinfo; - - if (cinfo->output_scanline < cinfo->output_height) { - dest->pub.buffer = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, dest->image, - cinfo->output_scanline, (JDIMENSION) 1, TRUE); - } -} - -/* - * Finish up at the end of the file. - * - * Here is where we really output the RLE file. - */ - -METHODDEF(void) -finish_output_rle (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) -{ - rle_dest_ptr dest = (rle_dest_ptr) dinfo; - rle_hdr header; /* Output file information */ - rle_pixel **rle_row, *red, *green, *blue; - JSAMPROW output_row; - char cmapcomment[80]; - int row, col; - int ci; -#ifdef PROGRESS_REPORT - cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress; -#endif - - /* Initialize the header info */ - header = *rle_hdr_init(NULL); - header.rle_file = dest->pub.output_file; - header.xmin = 0; - header.xmax = cinfo->output_width - 1; - header.ymin = 0; - header.ymax = cinfo->output_height - 1; - header.alpha = 0; - header.ncolors = cinfo->output_components; - for (ci = 0; ci < cinfo->output_components; ci++) { - RLE_SET_BIT(header, ci); - } - if (cinfo->quantize_colors) { - header.ncmap = cinfo->out_color_components; - header.cmaplen = CMAPBITS; - header.cmap = dest->colormap; - /* Add a comment to the output image with the true colormap length. */ - sprintf(cmapcomment, "color_map_length=%d", cinfo->actual_number_of_colors); - rle_putcom(cmapcomment, &header); - } - - /* Emit the RLE header and color map (if any) */ - rle_put_setup(&header); - - /* Now output the RLE data from our virtual array. - * We assume here that (a) rle_pixel is represented the same as JSAMPLE, - * and (b) we are not on a machine where FAR pointers differ from regular. - */ - -#ifdef PROGRESS_REPORT - if (progress != NULL) { - progress->pub.pass_limit = cinfo->output_height; - progress->pub.pass_counter = 0; - (*progress->pub.progress_monitor) ((j_common_ptr) cinfo); - } -#endif - - if (cinfo->output_components == 1) { - for (row = cinfo->output_height-1; row >= 0; row--) { - rle_row = (rle_pixel **) (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, dest->image, - (JDIMENSION) row, (JDIMENSION) 1, FALSE); - rle_putrow(rle_row, (int) cinfo->output_width, &header); -#ifdef PROGRESS_REPORT - if (progress != NULL) { - progress->pub.pass_counter++; - (*progress->pub.progress_monitor) ((j_common_ptr) cinfo); - } -#endif - } - } else { - for (row = cinfo->output_height-1; row >= 0; row--) { - rle_row = (rle_pixel **) dest->rle_row; - output_row = * (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, dest->image, - (JDIMENSION) row, (JDIMENSION) 1, FALSE); - red = rle_row[0]; - green = rle_row[1]; - blue = rle_row[2]; - for (col = cinfo->output_width; col > 0; col--) { - *red++ = GETJSAMPLE(*output_row++); - *green++ = GETJSAMPLE(*output_row++); - *blue++ = GETJSAMPLE(*output_row++); - } - rle_putrow(rle_row, (int) cinfo->output_width, &header); -#ifdef PROGRESS_REPORT - if (progress != NULL) { - progress->pub.pass_counter++; - (*progress->pub.progress_monitor) ((j_common_ptr) cinfo); - } -#endif - } - } - -#ifdef PROGRESS_REPORT - if (progress != NULL) - progress->completed_extra_passes++; -#endif - - /* Emit file trailer */ - rle_puteof(&header); - fflush(dest->pub.output_file); - if (ferror(dest->pub.output_file)) - ERREXIT(cinfo, JERR_FILE_WRITE); -} - - -/* - * The module selection routine for RLE format output. - */ - -GLOBAL(djpeg_dest_ptr) -jinit_write_rle (j_decompress_ptr cinfo) -{ - rle_dest_ptr dest; - - /* Create module interface object, fill in method pointers */ - dest = (rle_dest_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(rle_dest_struct)); - dest->pub.start_output = start_output_rle; - dest->pub.finish_output = finish_output_rle; - - /* Calculate output image dimensions so we can allocate space */ - jpeg_calc_output_dimensions(cinfo); - - /* Allocate a work array for output to the RLE library. */ - dest->rle_row = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - cinfo->output_width, (JDIMENSION) cinfo->output_components); - - /* Allocate a virtual array to hold the image. */ - dest->image = (*cinfo->mem->request_virt_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, FALSE, - (JDIMENSION) (cinfo->output_width * cinfo->output_components), - cinfo->output_height, (JDIMENSION) 1); - - return (djpeg_dest_ptr) dest; -} - -#endif /* RLE_SUPPORTED */ -- cgit v1.2.3