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Add proper scaling for the 24x24 icon.

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This commit is contained in:
Steveice10
2015-02-01 18:48:13 -08:00
parent 7601fd1c0c
commit 228ea4e976
3 changed files with 93 additions and 44 deletions
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87
source/3ds/util.cpp
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@@ -33,44 +33,53 @@ u16 pack_color(u8 r, u8 g, u8 b, u8 a, PixelFormat format) {
}
}
u8* load_image(const char* image, u32 width, u32 height) {
unsigned char *img;
unsigned int imgWidth, imgHeight;
if(lodepng_decode32_file(&img, &imgWidth, &imgHeight, image)) {
printf("ERROR: Could not load png file.\n");
return NULL;
}
if(width == 0) {
width = imgWidth;
}
if(height == 0) {
height = imgHeight;
}
if(imgWidth != width || imgHeight != height) {
printf("ERROR: Image must be exactly %d x %d in size.\n", width, height);
return NULL;
}
return img;
}
u16* image_data_to_tiles(u8* img, u32 width, u32 height, PixelFormat format, u32* size) {
u16* converted = (u16*) malloc(width * height * sizeof(u16));
u32 n = 0;
for(int y = 0; y < height; y += 8) {
for(int x = 0; x < width; x += 8) {
for(int k = 0; k < 8 * 8; k++) {
u32 xx = (u32) (TILE_ORDER[k] & 0x7);
u32 yy = (u32) (TILE_ORDER[k] >> 3);
u8* pixel = img + (((y + yy) * width + (x + xx)) * 4);
converted[n++] = pack_color(pixel[0], pixel[1], pixel[2], pixel[3], format);
}
}
}
if(size != NULL) {
*size = width * height * (u32) sizeof(u16);
}
return converted;
}
u16* image_to_tiles(const char* image, u32 width, u32 height, PixelFormat format, u32* size) {
unsigned char* img;
unsigned int imgWidth, imgHeight;
if(lodepng_decode32_file(&img, &imgWidth, &imgHeight, image)) {
printf("ERROR: Could not load png file.\n");
return NULL;
}
if(width == 0) {
width = imgWidth;
}
if(height == 0) {
height = imgHeight;
}
if(imgWidth != width || imgHeight != height) {
printf("ERROR: Image must be exactly %d x %d in size.\n", width, height);
return NULL;
}
u16* converted = (u16*) malloc(width * height * sizeof(u16));
u32 n = 0;
for(int y = 0; y < height; y += 8) {
for(int x = 0; x < width; x += 8) {
for(int k = 0; k < 8 * 8; k++) {
u32 xx = (u32) (TILE_ORDER[k] & 0x7);
u32 yy = (u32) (TILE_ORDER[k] >> 3);
u8* pixel = img + (((y + yy) * width + (x + xx)) * 4);
converted[n++] = pack_color(pixel[0], pixel[1], pixel[2], pixel[3], format);
}
}
}
if(size != NULL) {
*size = width * height * (u32) sizeof(u16);
}
return converted;
u8* img = load_image(image, width, height);
return image_data_to_tiles(img, width, height, format, size);
}