diff options
Diffstat (limited to 'new/bitmap.c')
-rw-r--r-- | new/bitmap.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/new/bitmap.c b/new/bitmap.c index 923d072f3..2813ff1b4 100644 --- a/new/bitmap.c +++ b/new/bitmap.c @@ -27,3 +27,198 @@ HASH_32 * Generate_Hash_x86_32(FT_Bitmap * bitmap, HASH_32 * murmur) return murmur; } +PIXEL * Pixel_At (IMAGE * bitmap, int x, int y) +{ + return bitmap->pixels + bitmap->width * y + x; +} + +int Generate_PNG (IMAGE *bitmap, const char *path,int render_mode) +{ + FILE * fp; + png_structp png_ptr = NULL; + png_infop info_ptr = NULL; + size_t x, y; + png_byte ** row_pointers = NULL; + + int status = -1; + + int pixel_size = 4; + int depth = 8; + + fp = fopen (path, "wb"); + if (! fp) { + goto fopen_failed; + } + + png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); + if (png_ptr == NULL) { + goto png_create_write_struct_failed; + } + + info_ptr = png_create_info_struct (png_ptr); + if (info_ptr == NULL) { + goto png_create_info_struct_failed; + } + + if (setjmp (png_jmpbuf (png_ptr))) { + goto png_failure; + } + + png_set_IHDR (png_ptr, + info_ptr, + bitmap->width, + bitmap->height, + depth, + PNG_COLOR_TYPE_RGBA, + PNG_INTERLACE_NONE, + PNG_COMPRESSION_TYPE_DEFAULT, + PNG_FILTER_TYPE_DEFAULT); + + row_pointers = png_malloc (png_ptr, bitmap->height * sizeof (png_byte *)); + + for (y = 0; y < bitmap->height; y++) { + + png_byte *row = png_malloc (png_ptr, sizeof (uint8_t) * bitmap->width * pixel_size); + row_pointers[y] = row; + + for (x = 0; x < bitmap->width; x++) { + + PIXEL * pixel = Pixel_At (bitmap, x, y); + + if (render_mode == 3 || render_mode == 5) + { + *row++ = pixel->blue; + *row++ = pixel->green; + *row++ = pixel->red; + *row++ = pixel->alpha; + continue; + } + *row++ = pixel->red; + *row++ = pixel->green; + *row++ = pixel->blue; + *row++ = pixel->alpha; + } + } + + png_init_io (png_ptr, fp); + png_set_rows (png_ptr, info_ptr, row_pointers); + png_write_png (png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, NULL); + + status = 0; + + for (y = 0; y < bitmap->height; y++) { + png_free (png_ptr, row_pointers[y]); + } + png_free (png_ptr, row_pointers); + + png_failure: + png_create_info_struct_failed: + png_destroy_write_struct (&png_ptr, &info_ptr); + png_create_write_struct_failed: + fclose (fp); + fopen_failed: + return status; +} + +void Make_PNG(FT_Bitmap* bitmap,char* name,int i,int render_mode){ + + IMAGE fruit; + int x; + int y; + + unsigned char value; + int p; + + switch(render_mode){ + + case 0 : + case 1 : fruit.width = bitmap->width; // MONO and GRAY + fruit.height = bitmap->rows; + + fruit.pixels = calloc (fruit.width * fruit.height, sizeof (PIXEL)); + + for (y = 0; y < fruit.height; y++) { + for (x = 0; x < fruit.width; x++) { + + PIXEL * pixel = Pixel_At (& fruit, x, y); + p = (y * bitmap->pitch ) + x; + + value = bitmap->buffer[p]; + + pixel->red = 255- value; + pixel->green = 255- value; + pixel->blue = 255- value; + pixel->alpha = 255; + } + } + break; + + case 2 : + case 3 : fruit.width = bitmap->width / 3; // LCD + fruit.height = bitmap->rows; + + fruit.pixels = calloc (fruit.width * fruit.height, sizeof (PIXEL)); + + for (y = 0; y < fruit.height; y++) { + for (x = 0; x < fruit.width; x++) { + + PIXEL * pixel = Pixel_At (& fruit, x, y); + p = (y * bitmap->pitch ) + (x)*3; + + value = bitmap->buffer[p]; + pixel->red = 255- value; + p++; + + value = bitmap->buffer[p]; + pixel->green = 255- value; + p++; + + value = bitmap->buffer[p]; + pixel->blue = 255- value; + + pixel->alpha = 255; + } + } + break; + + case 4 : + case 5 : fruit.width = bitmap->width; // LCD_V + fruit.height = bitmap->rows / 3; + + fruit.pixels = calloc (fruit.width * fruit.height, sizeof (PIXEL)); + + for (y = 0; y < fruit.height; y++) { + for (x = 0; x < fruit.width; x++) { + + PIXEL * pixel = Pixel_At (& fruit, x, y); + p = ((y*3) * bitmap->pitch ) + x; + + value = bitmap->buffer[p]; + pixel->red = 255- value; + p += bitmap->pitch; + + value = bitmap->buffer[p]; + pixel->green = 255- value; + p += bitmap->pitch; + + value = bitmap->buffer[p]; + pixel->blue = 255- value; + + pixel->alpha = 255; + } + } + break; + + default : fruit.width = bitmap->width; + fruit.height = bitmap->rows; + break; + } + + char * file_name = ( char * )calloc(150,sizeof(char)); + + sprintf(file_name, "%s_%d",name,i); + + Generate_PNG (& fruit, file_name,render_mode); + + free (fruit.pixels); +}
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