From 07cfb8fe799901948afd6af05ef4674173713bcb Mon Sep 17 00:00:00 2001 From: Elliott Hughes Date: Fri, 10 Apr 2015 13:12:05 -0700 Subject: Switch minui over to C++. Change-Id: I59e08a304ae514a3fdb6fab58721f11670bc1b01 --- minui/resources.c | 456 ------------------------------------------------------ 1 file changed, 456 deletions(-) delete mode 100644 minui/resources.c (limited to 'minui/resources.c') diff --git a/minui/resources.c b/minui/resources.c deleted file mode 100644 index 886c3255d..000000000 --- a/minui/resources.c +++ /dev/null @@ -1,456 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include -#include -#include - -#include -#include - -#include -#include -#include - -#include -#include - -#include - -#include "minui.h" - -extern char* locale; - -#define SURFACE_DATA_ALIGNMENT 8 - -static gr_surface malloc_surface(size_t data_size) { - unsigned char* temp = malloc(sizeof(GRSurface) + data_size + SURFACE_DATA_ALIGNMENT); - if (temp == NULL) return NULL; - gr_surface surface = (gr_surface) temp; - surface->data = temp + sizeof(GRSurface) + - (SURFACE_DATA_ALIGNMENT - (sizeof(GRSurface) % SURFACE_DATA_ALIGNMENT)); - return surface; -} - -static int open_png(const char* name, png_structp* png_ptr, png_infop* info_ptr, - png_uint_32* width, png_uint_32* height, png_byte* channels) { - char resPath[256]; - unsigned char header[8]; - int result = 0; - - snprintf(resPath, sizeof(resPath)-1, "/res/images/%s.png", name); - resPath[sizeof(resPath)-1] = '\0'; - FILE* fp = fopen(resPath, "rb"); - if (fp == NULL) { - result = -1; - goto exit; - } - - size_t bytesRead = fread(header, 1, sizeof(header), fp); - if (bytesRead != sizeof(header)) { - result = -2; - goto exit; - } - - if (png_sig_cmp(header, 0, sizeof(header))) { - result = -3; - goto exit; - } - - *png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); - if (!*png_ptr) { - result = -4; - goto exit; - } - - *info_ptr = png_create_info_struct(*png_ptr); - if (!*info_ptr) { - result = -5; - goto exit; - } - - if (setjmp(png_jmpbuf(*png_ptr))) { - result = -6; - goto exit; - } - - png_init_io(*png_ptr, fp); - png_set_sig_bytes(*png_ptr, sizeof(header)); - png_read_info(*png_ptr, *info_ptr); - - int color_type, bit_depth; - png_get_IHDR(*png_ptr, *info_ptr, width, height, &bit_depth, - &color_type, NULL, NULL, NULL); - - *channels = png_get_channels(*png_ptr, *info_ptr); - - if (bit_depth == 8 && *channels == 3 && color_type == PNG_COLOR_TYPE_RGB) { - // 8-bit RGB images: great, nothing to do. - } else if (bit_depth <= 8 && *channels == 1 && color_type == PNG_COLOR_TYPE_GRAY) { - // 1-, 2-, 4-, or 8-bit gray images: expand to 8-bit gray. - png_set_expand_gray_1_2_4_to_8(*png_ptr); - } else if (bit_depth <= 8 && *channels == 1 && color_type == PNG_COLOR_TYPE_PALETTE) { - // paletted images: expand to 8-bit RGB. Note that we DON'T - // currently expand the tRNS chunk (if any) to an alpha - // channel, because minui doesn't support alpha channels in - // general. - png_set_palette_to_rgb(*png_ptr); - *channels = 3; - } else { - fprintf(stderr, "minui doesn't support PNG depth %d channels %d color_type %d\n", - bit_depth, *channels, color_type); - result = -7; - goto exit; - } - - return result; - - exit: - if (result < 0) { - png_destroy_read_struct(png_ptr, info_ptr, NULL); - } - if (fp != NULL) { - fclose(fp); - } - - return result; -} - -// "display" surfaces are transformed into the framebuffer's required -// pixel format (currently only RGBX is supported) at load time, so -// gr_blit() can be nothing more than a memcpy() for each row. The -// next two functions are the only ones that know anything about the -// framebuffer pixel format; they need to be modified if the -// framebuffer format changes (but nothing else should). - -// Allocate and return a gr_surface sufficient for storing an image of -// the indicated size in the framebuffer pixel format. -static gr_surface init_display_surface(png_uint_32 width, png_uint_32 height) { - gr_surface surface; - - surface = malloc_surface(width * height * 4); - if (surface == NULL) return NULL; - - surface->width = width; - surface->height = height; - surface->row_bytes = width * 4; - surface->pixel_bytes = 4; - - return surface; -} - -// Copy 'input_row' to 'output_row', transforming it to the -// framebuffer pixel format. The input format depends on the value of -// 'channels': -// -// 1 - input is 8-bit grayscale -// 3 - input is 24-bit RGB -// 4 - input is 32-bit RGBA/RGBX -// -// 'width' is the number of pixels in the row. -static void transform_rgb_to_draw(unsigned char* input_row, - unsigned char* output_row, - int channels, int width) { - int x; - unsigned char* ip = input_row; - unsigned char* op = output_row; - - switch (channels) { - case 1: - // expand gray level to RGBX - for (x = 0; x < width; ++x) { - *op++ = *ip; - *op++ = *ip; - *op++ = *ip; - *op++ = 0xff; - ip++; - } - break; - - case 3: - // expand RGBA to RGBX - for (x = 0; x < width; ++x) { - *op++ = *ip++; - *op++ = *ip++; - *op++ = *ip++; - *op++ = 0xff; - } - break; - - case 4: - // copy RGBA to RGBX - memcpy(output_row, input_row, width*4); - break; - } -} - -int res_create_display_surface(const char* name, gr_surface* pSurface) { - gr_surface surface = NULL; - int result = 0; - png_structp png_ptr = NULL; - png_infop info_ptr = NULL; - png_uint_32 width, height; - png_byte channels; - - *pSurface = NULL; - - result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels); - if (result < 0) return result; - - surface = init_display_surface(width, height); - if (surface == NULL) { - result = -8; - goto exit; - } - -#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA) - png_set_bgr(png_ptr); -#endif - - unsigned char* p_row = malloc(width * 4); - unsigned int y; - for (y = 0; y < height; ++y) { - png_read_row(png_ptr, p_row, NULL); - transform_rgb_to_draw(p_row, surface->data + y * surface->row_bytes, channels, width); - } - free(p_row); - - *pSurface = surface; - - exit: - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - if (result < 0 && surface != NULL) free(surface); - return result; -} - -int res_create_multi_display_surface(const char* name, int* frames, gr_surface** pSurface) { - gr_surface* surface = NULL; - int result = 0; - png_structp png_ptr = NULL; - png_infop info_ptr = NULL; - png_uint_32 width, height; - png_byte channels; - int i; - - *pSurface = NULL; - *frames = -1; - - result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels); - if (result < 0) return result; - - *frames = 1; - png_textp text; - int num_text; - if (png_get_text(png_ptr, info_ptr, &text, &num_text)) { - for (i = 0; i < num_text; ++i) { - if (text[i].key && strcmp(text[i].key, "Frames") == 0 && text[i].text) { - *frames = atoi(text[i].text); - break; - } - } - printf(" found frames = %d\n", *frames); - } - - if (height % *frames != 0) { - printf("bad height (%d) for frame count (%d)\n", height, *frames); - result = -9; - goto exit; - } - - surface = malloc(*frames * sizeof(gr_surface)); - if (surface == NULL) { - result = -8; - goto exit; - } - for (i = 0; i < *frames; ++i) { - surface[i] = init_display_surface(width, height / *frames); - if (surface[i] == NULL) { - result = -8; - goto exit; - } - } - -#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA) - png_set_bgr(png_ptr); -#endif - - unsigned char* p_row = malloc(width * 4); - unsigned int y; - for (y = 0; y < height; ++y) { - png_read_row(png_ptr, p_row, NULL); - int frame = y % *frames; - unsigned char* out_row = surface[frame]->data + - (y / *frames) * surface[frame]->row_bytes; - transform_rgb_to_draw(p_row, out_row, channels, width); - } - free(p_row); - - *pSurface = (gr_surface*) surface; - -exit: - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - - if (result < 0) { - if (surface) { - for (i = 0; i < *frames; ++i) { - if (surface[i]) free(surface[i]); - } - free(surface); - } - } - return result; -} - -int res_create_alpha_surface(const char* name, gr_surface* pSurface) { - gr_surface surface = NULL; - int result = 0; - png_structp png_ptr = NULL; - png_infop info_ptr = NULL; - png_uint_32 width, height; - png_byte channels; - - *pSurface = NULL; - - result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels); - if (result < 0) return result; - - if (channels != 1) { - result = -7; - goto exit; - } - - surface = malloc_surface(width * height); - if (surface == NULL) { - result = -8; - goto exit; - } - surface->width = width; - surface->height = height; - surface->row_bytes = width; - surface->pixel_bytes = 1; - -#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA) - png_set_bgr(png_ptr); -#endif - - unsigned char* p_row; - unsigned int y; - for (y = 0; y < height; ++y) { - p_row = surface->data + y * surface->row_bytes; - png_read_row(png_ptr, p_row, NULL); - } - - *pSurface = surface; - - exit: - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - if (result < 0 && surface != NULL) free(surface); - return result; -} - -static int matches_locale(const char* loc, const char* locale) { - if (locale == NULL) return 0; - - if (strcmp(loc, locale) == 0) return 1; - - // if loc does *not* have an underscore, and it matches the start - // of locale, and the next character in locale *is* an underscore, - // that's a match. For instance, loc == "en" matches locale == - // "en_US". - - int i; - for (i = 0; loc[i] != 0 && loc[i] != '_'; ++i); - if (loc[i] == '_') return 0; - - return (strncmp(locale, loc, i) == 0 && locale[i] == '_'); -} - -int res_create_localized_alpha_surface(const char* name, - const char* locale, - gr_surface* pSurface) { - gr_surface surface = NULL; - int result = 0; - png_structp png_ptr = NULL; - png_infop info_ptr = NULL; - png_uint_32 width, height; - png_byte channels; - - *pSurface = NULL; - - if (locale == NULL) { - surface = malloc_surface(0); - surface->width = 0; - surface->height = 0; - surface->row_bytes = 0; - surface->pixel_bytes = 1; - goto exit; - } - - result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels); - if (result < 0) return result; - - if (channels != 1) { - result = -7; - goto exit; - } - - unsigned char* row = malloc(width); - png_uint_32 y; - for (y = 0; y < height; ++y) { - png_read_row(png_ptr, row, NULL); - int w = (row[1] << 8) | row[0]; - int h = (row[3] << 8) | row[2]; - int len = row[4]; - char* loc = (char*)row+5; - - if (y+1+h >= height || matches_locale(loc, locale)) { - printf(" %20s: %s (%d x %d @ %d)\n", name, loc, w, h, y); - - surface = malloc_surface(w*h); - if (surface == NULL) { - result = -8; - goto exit; - } - surface->width = w; - surface->height = h; - surface->row_bytes = w; - surface->pixel_bytes = 1; - - int i; - for (i = 0; i < h; ++i, ++y) { - png_read_row(png_ptr, row, NULL); - memcpy(surface->data + i*w, row, w); - } - - *pSurface = (gr_surface) surface; - break; - } else { - int i; - for (i = 0; i < h; ++i, ++y) { - png_read_row(png_ptr, row, NULL); - } - } - } - -exit: - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - if (result < 0 && surface != NULL) free(surface); - return result; -} - -void res_free_surface(gr_surface surface) { - free(surface); -} -- cgit v1.2.3