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Diffstat (limited to '')
-rw-r--r-- | minuitwrp/resourcesnew.c | 353 |
1 files changed, 0 insertions, 353 deletions
diff --git a/minuitwrp/resourcesnew.c b/minuitwrp/resourcesnew.c deleted file mode 100644 index a13c0fdb5..000000000 --- a/minuitwrp/resourcesnew.c +++ /dev/null @@ -1,353 +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 <stdlib.h> -#include <unistd.h> - -#include <fcntl.h> -#include <stdio.h> - -#include <sys/ioctl.h> -#include <sys/mman.h> -#include <sys/types.h> - -#include <linux/fb.h> -#include <linux/kd.h> - -#include <pixelflinger/pixelflinger.h> - -#include <png.h> -#include "jpeglib.h" - -#include "minui.h" - -// libpng gives "undefined reference to 'pow'" errors, and I have no -// idea how to convince the build system to link with -lm. We don't -// need this functionality (it's used for gamma adjustment) so provide -// a dummy implementation to satisfy the linker. -double pow(double x, double y) { - return x; -} - -#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_surface_png(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; -printf("png trying to open '%s'\n", name); - 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; - } - - 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->data; - - exit: - png_destroy_read_struct(&png_ptr, &info_ptr, NULL); - if (result < 0 && surface != NULL) free(surface); - printf("res_create_surface_png returning: %i\n", result); - return result; -} - -int res_create_surface_jpg(const char* name, gr_surface* pSurface) { - GGLSurface* surface = NULL; - int result = 0; - struct jpeg_decompress_struct cinfo; - struct jpeg_error_mgr jerr; - - FILE* fp = fopen(name, "rb"); - if (fp == NULL) { - char resPath[256]; - - snprintf(resPath, sizeof(resPath)-1, "/res/images/%s", name); - resPath[sizeof(resPath)-1] = '\0'; - fp = fopen(resPath, "rb"); - if (fp == NULL) { - result = -1; - goto exit; - } - } - - cinfo.err = jpeg_std_error(&jerr); - jpeg_create_decompress(&cinfo); - - /* Specify data source for decompression */ - jpeg_stdio_src(&cinfo, fp); - - /* Read file header, set default decompression parameters */ - if (jpeg_read_header(&cinfo, TRUE) != JPEG_HEADER_OK) - goto exit; - - /* Start decompressor */ - (void) jpeg_start_decompress(&cinfo); - - size_t width = cinfo.image_width; - size_t height = cinfo.image_height; - size_t stride = 4 * width; - size_t pixelSize = stride * height; - - surface = malloc(sizeof(GGLSurface) + pixelSize); - if (surface == NULL) { - result = -8; - goto exit; - } - - unsigned char* pData = (unsigned char*) (surface + 1); - surface->version = sizeof(GGLSurface); - surface->width = width; - surface->height = height; - surface->stride = width; /* Yes, pixels, not bytes */ - surface->data = pData; - surface->format = GGL_PIXEL_FORMAT_RGBX_8888; - - int y; - for (y = 0; y < (int) height; ++y) { - unsigned char* pRow = pData + y * stride; - jpeg_read_scanlines(&cinfo, &pRow, 1); - - int x; - for(x = width - 1; x >= 0; x--) { - int sx = x * 3; - int dx = x * 4; - unsigned char r = pRow[sx]; - unsigned char g = pRow[sx + 1]; - unsigned char b = pRow[sx + 2]; - unsigned char a = 0xff; - pRow[dx ] = r; // r - pRow[dx + 1] = g; // g - pRow[dx + 2] = b; // b - pRow[dx + 3] = a; - } - } - *pSurface = (gr_surface) surface; - -exit: - if (fp != NULL) - { - if (surface) - { - (void) jpeg_finish_decompress(&cinfo); - if (result < 0) - { - free(surface); - } - } - jpeg_destroy_decompress(&cinfo); - fclose(fp); - } - return result; -} - -int res_create_surface(const char* name, gr_surface* pSurface) { - int ret; - - if (!name) return -1; - - if (strlen(name) > 4 && strcmp(name + strlen(name) - 4, ".jpg") == 0) - return res_create_surface_jpg(name,pSurface); - - ret = res_create_surface_png(name,pSurface); - if (ret < 0) - ret = res_create_surface_jpg(name,pSurface); - - return ret; -} - -void res_free_surface(gr_surface surface) { - GGLSurface* pSurface = (GGLSurface*) surface; - if (pSurface) { - free(pSurface); - } -} |