X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=frontend%2Fcommon%2Freadpng.c;fp=frontend%2Fcommon%2Freadpng.c;h=0000000000000000000000000000000000000000;hp=722dc26e729677c3c7420f6a8bc5c6ee8d14182d;hb=cc56203b76e1fcef2c7e55b460daf07e654a1547;hpb=0e2e3f498456d1175916ecd69d0a9e80e701e760 diff --git a/frontend/common/readpng.c b/frontend/common/readpng.c deleted file mode 100644 index 722dc26e..00000000 --- a/frontend/common/readpng.c +++ /dev/null @@ -1,266 +0,0 @@ -/* - * (C) Gražvydas "notaz" Ignotas, 2008-2011 - * - * This work is licensed under the terms of any of these licenses - * (at your option): - * - GNU GPL, version 2 or later. - * - GNU LGPL, version 2.1 or later. - * See the COPYING file in the top-level directory. - */ - -#include -#include -#include -#include -#include "readpng.h" -#include "lprintf.h" - -int readpng(void *dest, const char *fname, readpng_what what, int req_w, int req_h) -{ - FILE *fp; - png_structp png_ptr = NULL; - png_infop info_ptr = NULL; - png_bytepp row_ptr = NULL; - int ret = -1; - - if (dest == NULL || fname == NULL) - { - return -1; - } - - fp = fopen(fname, "rb"); - if (fp == NULL) - { - lprintf(__FILE__ ": failed to open: %s\n", fname); - return -1; - } - - png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); - if (!png_ptr) - { - lprintf(__FILE__ ": png_create_read_struct() failed\n"); - fclose(fp); - return -1; - } - - info_ptr = png_create_info_struct(png_ptr); - if (!info_ptr) - { - lprintf(__FILE__ ": png_create_info_struct() failed\n"); - goto done; - } - - // Start reading - png_init_io(png_ptr, fp); - png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_STRIP_ALPHA | PNG_TRANSFORM_PACKING, NULL); - row_ptr = png_get_rows(png_ptr, info_ptr); - if (row_ptr == NULL) - { - lprintf(__FILE__ ": png_get_rows() failed\n"); - goto done; - } - - // lprintf("%s: %ix%i @ %ibpp\n", fname, (int)png_get_image_width(png_ptr, info_ptr), (int)png_get_image_height(png_ptr, info_ptr), png_get_bit_depth(png_ptr, info_ptr)); - - switch (what) - { - case READPNG_BG: - { - int height, width, h; - unsigned short *dst = dest; - if (png_get_bit_depth(png_ptr, info_ptr) != 8) - { - lprintf(__FILE__ ": bg image uses %ibpc, needed 8bpc\n", png_get_bit_depth(png_ptr, info_ptr)); - break; - } - width = png_get_image_width(png_ptr, info_ptr); - if (width > req_w) - width = req_w; - height = png_get_image_height(png_ptr, info_ptr); - if (height > req_h) - height = req_h; - - for (h = 0; h < height; h++) - { - unsigned char *src = row_ptr[h]; - int len = width; - while (len--) - { -#ifdef PSP - *dst++ = ((src[2]&0xf8)<<8) | ((src[1]&0xf8)<<3) | (src[0] >> 3); // BGR -#else - *dst++ = ((src[0]&0xf8)<<8) | ((src[1]&0xf8)<<3) | (src[2] >> 3); // RGB -#endif - src += 3; - } - dst += req_w - width; - } - break; - } - - case READPNG_FONT: - { - int x, y, x1, y1; - unsigned char *dst = dest; - if (png_get_image_width(png_ptr, info_ptr) != req_w || png_get_image_height(png_ptr, info_ptr) != req_h) - { - lprintf(__FILE__ ": unexpected font image size %dx%d, needed %dx%d\n", - (int)png_get_image_width(png_ptr, info_ptr), (int)png_get_image_height(png_ptr, info_ptr), req_w, req_h); - break; - } - if (png_get_bit_depth(png_ptr, info_ptr) != 8) - { - lprintf(__FILE__ ": font image uses %ibpp, needed 8bpp\n", png_get_bit_depth(png_ptr, info_ptr)); - break; - } - for (y = 0; y < 16; y++) - { - for (x = 0; x < 16; x++) - { - /* 16x16 grid of syms */ - int sym_w = req_w / 16; - int sym_h = req_h / 16; - for (y1 = 0; y1 < sym_h; y1++) - { - unsigned char *src = row_ptr[y*sym_h + y1] + x*sym_w; - for (x1 = sym_w/2; x1 > 0; x1--, src+=2) - *dst++ = ((src[0]^0xff) & 0xf0) | ((src[1]^0xff) >> 4); - } - } - } - break; - } - - case READPNG_SELECTOR: - { - int x1, y1; - unsigned char *dst = dest; - if (png_get_image_width(png_ptr, info_ptr) != req_w || png_get_image_height(png_ptr, info_ptr) != req_h) - { - lprintf(__FILE__ ": unexpected selector image size %ix%i, needed %dx%d\n", - (int)png_get_image_width(png_ptr, info_ptr), (int)png_get_image_height(png_ptr, info_ptr), req_w, req_h); - break; - } - if (png_get_bit_depth(png_ptr, info_ptr) != 8) - { - lprintf(__FILE__ ": selector image uses %ibpp, needed 8bpp\n", png_get_bit_depth(png_ptr, info_ptr)); - break; - } - for (y1 = 0; y1 < req_h; y1++) - { - unsigned char *src = row_ptr[y1]; - for (x1 = req_w/2; x1 > 0; x1--, src+=2) - *dst++ = ((src[0]^0xff) & 0xf0) | ((src[1]^0xff) >> 4); - } - break; - } - - case READPNG_24: - { - int height, width, h; - unsigned char *dst = dest; - if (png_get_bit_depth(png_ptr, info_ptr) != 8) - { - lprintf(__FILE__ ": image uses %ibpc, needed 8bpc\n", png_get_bit_depth(png_ptr, info_ptr)); - break; - } - width = png_get_image_width(png_ptr, info_ptr); - if (width > req_w) - width = req_w; - height = png_get_image_height(png_ptr, info_ptr); - if (height > req_h) - height = req_h; - - for (h = 0; h < height; h++) - { - int len = width; - unsigned char *src = row_ptr[h]; - dst += (req_w - width) * 3; - for (len = width; len > 0; len--, dst+=3, src+=3) - dst[0] = src[2], dst[1] = src[1], dst[2] = src[0]; - } - break; - } - } - - - ret = 0; -done: - png_destroy_read_struct(&png_ptr, info_ptr ? &info_ptr : NULL, (png_infopp)NULL); - fclose(fp); - return ret; -} - -int writepng(const char *fname, unsigned short *src, int w, int h) -{ - png_structp png_ptr = NULL; - png_infop info_ptr = NULL; - png_bytepp row_pointers; - int i, j, ret = -1; - FILE *f; - - f = fopen(fname, "wb"); - if (f == NULL) { - lprintf(__FILE__ ": failed to open \"%s\"\n", fname); - return -1; - } - - row_pointers = calloc(h, sizeof(row_pointers[0])); - if (row_pointers == NULL) - goto end1; - - for (i = 0; i < h; i++) { - unsigned char *dst = malloc(w * 3); - if (dst == NULL) - goto end2; - row_pointers[i] = dst; - for (j = 0; j < w; j++, src++, dst += 3) { - dst[0] = (*src & 0xf800) >> 8; - dst[1] = (*src & 0x07e0) >> 3; - dst[2] = (*src & 0x001f) << 3; - } - } - - /* initialize stuff */ - png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); - if (png_ptr == NULL) { - fprintf(stderr, "png_create_write_struct() failed"); - goto end2; - } - - info_ptr = png_create_info_struct(png_ptr); - if (info_ptr == NULL) { - fprintf(stderr, "png_create_info_struct() failed"); - goto end3; - } - - if (setjmp(png_jmpbuf(png_ptr)) != 0) { - fprintf(stderr, "error in png code\n"); - goto end4; - } - - png_init_io(png_ptr, f); - - png_set_IHDR(png_ptr, info_ptr, w, h, - 8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE, - PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); - - png_write_info(png_ptr, info_ptr); - png_write_image(png_ptr, row_pointers); - png_write_end(png_ptr, NULL); - - ret = 0; - -end4: -// png_destroy_info_struct(png_ptr, &info_ptr); // freed below -end3: - png_destroy_write_struct(&png_ptr, &info_ptr); -end2: - for (i = 0; i < h; i++) - free(row_pointers[i]); - free(row_pointers); -end1: - fclose(f); - return ret; -} -