mirror of
https://github.com/zeldaret/oot.git
synced 2024-12-29 08:16:11 +00:00
5015af4c57
subrepo: subdir: "tools/ZAPD" merged: "f54f2fa96" upstream: origin: "https://github.com/zeldaret/ZAPD.git" branch: "master" commit: "f54f2fa96" git-subrepo: version: "0.4.3" origin: "???" commit: "???"
506 lines
12 KiB
C++
506 lines
12 KiB
C++
#include "ImageBackend.h"
|
|
|
|
#include <cassert>
|
|
#include <cstdlib>
|
|
#include <png.h>
|
|
#include <stdexcept>
|
|
|
|
#include "Utils/StringHelper.h"
|
|
#include "WarningHandler.h"
|
|
|
|
/* ImageBackend */
|
|
|
|
ImageBackend::~ImageBackend()
|
|
{
|
|
FreeImageData();
|
|
}
|
|
|
|
void ImageBackend::ReadPng(const char* filename)
|
|
{
|
|
FreeImageData();
|
|
|
|
FILE* fp = fopen(filename, "rb");
|
|
if (fp == nullptr)
|
|
{
|
|
std::string errorHeader = StringHelper::Sprintf("could not open file '%s'", filename);
|
|
HANDLE_ERROR(WarningType::InvalidPNG, errorHeader, "");
|
|
}
|
|
|
|
png_structp png = png_create_read_struct(PNG_LIBPNG_VER_STRING, nullptr, nullptr, nullptr);
|
|
if (png == nullptr)
|
|
{
|
|
HANDLE_ERROR(WarningType::InvalidPNG, "could not create png struct", "");
|
|
}
|
|
|
|
png_infop info = png_create_info_struct(png);
|
|
if (info == nullptr)
|
|
{
|
|
HANDLE_ERROR(WarningType::InvalidPNG, "could not create png info", "");
|
|
}
|
|
|
|
if (setjmp(png_jmpbuf(png)))
|
|
{
|
|
// TODO: better warning explanation
|
|
HANDLE_ERROR(WarningType::InvalidPNG, "setjmp(png_jmpbuf(png))", "");
|
|
}
|
|
|
|
png_init_io(png, fp);
|
|
|
|
png_read_info(png, info);
|
|
|
|
width = png_get_image_width(png, info);
|
|
height = png_get_image_height(png, info);
|
|
colorType = png_get_color_type(png, info);
|
|
bitDepth = png_get_bit_depth(png, info);
|
|
|
|
#ifdef TEXTURE_DEBUG
|
|
printf("Width: %u\n", width);
|
|
printf("Height: %u\n", height);
|
|
printf("ColorType: ");
|
|
switch (colorType)
|
|
{
|
|
case PNG_COLOR_TYPE_RGBA:
|
|
printf("PNG_COLOR_TYPE_RGBA\n");
|
|
break;
|
|
|
|
case PNG_COLOR_TYPE_RGB:
|
|
printf("PNG_COLOR_TYPE_RGB\n");
|
|
break;
|
|
|
|
case PNG_COLOR_TYPE_PALETTE:
|
|
printf("PNG_COLOR_TYPE_PALETTE\n");
|
|
break;
|
|
|
|
default:
|
|
printf("%u\n", colorType);
|
|
break;
|
|
}
|
|
printf("BitDepth: %u\n", bitDepth);
|
|
printf("\n");
|
|
#endif
|
|
|
|
// Read any color_type into 8bit depth, RGBA format.
|
|
// See http://www.libpng.org/pub/png/libpng-manual.txt
|
|
|
|
if (bitDepth == 16)
|
|
png_set_strip_16(png);
|
|
|
|
if (colorType == PNG_COLOR_TYPE_PALETTE)
|
|
{
|
|
// png_set_palette_to_rgb(png);
|
|
isColorIndexed = true;
|
|
}
|
|
|
|
// PNG_COLOR_TYPE_GRAY_ALPHA is always 8 or 16bit depth.
|
|
if (colorType == PNG_COLOR_TYPE_GRAY && bitDepth < 8)
|
|
png_set_expand_gray_1_2_4_to_8(png);
|
|
|
|
/*if (png_get_valid(png, info, PNG_INFO_tRNS))
|
|
png_set_tRNS_to_alpha(png);*/
|
|
|
|
// These color_type don't have an alpha channel then fill it with 0xff.
|
|
/*if(*color_type == PNG_COLOR_TYPE_RGB ||
|
|
*color_type == PNG_COLOR_TYPE_GRAY ||
|
|
*color_type == PNG_COLOR_TYPE_PALETTE)
|
|
png_set_filler(png, 0xFF, PNG_FILLER_AFTER);*/
|
|
|
|
if (colorType == PNG_COLOR_TYPE_GRAY || colorType == PNG_COLOR_TYPE_GRAY_ALPHA)
|
|
png_set_gray_to_rgb(png);
|
|
|
|
png_read_update_info(png, info);
|
|
|
|
size_t rowBytes = png_get_rowbytes(png, info);
|
|
pixelMatrix = (uint8_t**)malloc(sizeof(uint8_t*) * height);
|
|
for (size_t y = 0; y < height; y++)
|
|
{
|
|
pixelMatrix[y] = (uint8_t*)malloc(rowBytes);
|
|
}
|
|
|
|
png_read_image(png, pixelMatrix);
|
|
|
|
#ifdef TEXTURE_DEBUG
|
|
printf("rowBytes: %zu\n", rowBytes);
|
|
|
|
size_t bytePerPixel = GetBytesPerPixel();
|
|
printf("imgData\n");
|
|
for (size_t y = 0; y < height; y++)
|
|
{
|
|
for (size_t x = 0; x < width; x++)
|
|
{
|
|
for (size_t z = 0; z < bytePerPixel; z++)
|
|
{
|
|
printf("%02X ", pixelMatrix[y][x * bytePerPixel + z]);
|
|
}
|
|
printf(" ");
|
|
}
|
|
printf("\n");
|
|
}
|
|
printf("\n");
|
|
#endif
|
|
|
|
fclose(fp);
|
|
|
|
png_destroy_read_struct(&png, &info, nullptr);
|
|
|
|
hasImageData = true;
|
|
}
|
|
|
|
void ImageBackend::ReadPng(const fs::path& filename)
|
|
{
|
|
ReadPng(filename.c_str());
|
|
}
|
|
|
|
void ImageBackend::WritePng(const char* filename)
|
|
{
|
|
assert(hasImageData);
|
|
|
|
FILE* fp = fopen(filename, "wb");
|
|
if (fp == nullptr)
|
|
{
|
|
std::string errorHeader =
|
|
StringHelper::Sprintf("could not open file '%s' in write mode", filename);
|
|
HANDLE_ERROR(WarningType::InvalidPNG, errorHeader, "");
|
|
}
|
|
|
|
png_structp png = png_create_write_struct(PNG_LIBPNG_VER_STRING, nullptr, nullptr, nullptr);
|
|
if (png == nullptr)
|
|
{
|
|
HANDLE_ERROR(WarningType::InvalidPNG, "could not create png struct", "");
|
|
}
|
|
|
|
png_infop info = png_create_info_struct(png);
|
|
if (info == nullptr)
|
|
{
|
|
HANDLE_ERROR(WarningType::InvalidPNG, "could not create png info", "");
|
|
}
|
|
|
|
if (setjmp(png_jmpbuf(png)))
|
|
{
|
|
// TODO: better warning description
|
|
HANDLE_ERROR(WarningType::InvalidPNG, "setjmp(png_jmpbuf(png))", "");
|
|
}
|
|
|
|
png_init_io(png, fp);
|
|
|
|
png_set_IHDR(png, info, width, height,
|
|
bitDepth, // 8,
|
|
colorType, // PNG_COLOR_TYPE_RGBA,
|
|
PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
|
|
|
|
if (isColorIndexed)
|
|
{
|
|
png_set_PLTE(png, info, static_cast<png_color*>(colorPalette), paletteSize);
|
|
|
|
#ifdef TEXTURE_DEBUG
|
|
printf("palette\n");
|
|
png_color* aux = (png_color*)colorPalette;
|
|
for (size_t y = 0; y < paletteSize; y++)
|
|
{
|
|
printf("#%02X%02X%02X ", aux[y].red, aux[y].green, aux[y].blue);
|
|
if ((y + 1) % 8 == 0)
|
|
printf("\n");
|
|
}
|
|
printf("\n");
|
|
#endif
|
|
|
|
png_set_tRNS(png, info, alphaPalette, paletteSize, nullptr);
|
|
}
|
|
|
|
png_write_info(png, info);
|
|
|
|
// To remove the alpha channel for PNG_COLOR_TYPE_RGB format,
|
|
// Use png_set_filler().
|
|
// png_set_filler(png, 0, PNG_FILLER_AFTER);
|
|
|
|
#ifdef TEXTURE_DEBUG
|
|
size_t bytePerPixel = GetBytesPerPixel();
|
|
printf("imgData\n");
|
|
for (size_t y = 0; y < height; y++)
|
|
{
|
|
for (size_t x = 0; x < width * bytePerPixel; x++)
|
|
{
|
|
printf("%02X ", pixelMatrix[y][x]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
printf("\n");
|
|
#endif
|
|
|
|
png_write_image(png, pixelMatrix);
|
|
png_write_end(png, nullptr);
|
|
|
|
fclose(fp);
|
|
|
|
png_destroy_write_struct(&png, &info);
|
|
}
|
|
|
|
void ImageBackend::WritePng(const fs::path& filename)
|
|
{
|
|
// Note: The .string() is necessary for MSVC, due to the implementation of std::filesystem
|
|
// differing from GCC. Do not remove!
|
|
WritePng(filename.string().c_str());
|
|
}
|
|
|
|
void ImageBackend::SetTextureData(const std::vector<std::vector<RGBAPixel>>& texData,
|
|
uint32_t nWidth, uint32_t nHeight, uint8_t nColorType,
|
|
uint8_t nBitDepth)
|
|
{
|
|
FreeImageData();
|
|
|
|
width = nWidth;
|
|
height = nHeight;
|
|
colorType = nColorType;
|
|
bitDepth = nBitDepth;
|
|
|
|
size_t bytePerPixel = GetBytesPerPixel();
|
|
|
|
pixelMatrix = static_cast<uint8_t**>(malloc(sizeof(uint8_t*) * height));
|
|
for (size_t y = 0; y < height; y++)
|
|
{
|
|
pixelMatrix[y] = static_cast<uint8_t*>(malloc(sizeof(uint8_t*) * width * bytePerPixel));
|
|
for (size_t x = 0; x < width; x++)
|
|
{
|
|
pixelMatrix[y][x * bytePerPixel + 0] = texData.at(y).at(x).r;
|
|
pixelMatrix[y][x * bytePerPixel + 1] = texData.at(y).at(x).g;
|
|
pixelMatrix[y][x * bytePerPixel + 2] = texData.at(y).at(x).b;
|
|
|
|
if (colorType == PNG_COLOR_TYPE_RGBA)
|
|
pixelMatrix[y][x * bytePerPixel + 3] = texData.at(y).at(x).a;
|
|
}
|
|
}
|
|
hasImageData = true;
|
|
}
|
|
|
|
void ImageBackend::InitEmptyRGBImage(uint32_t nWidth, uint32_t nHeight, bool alpha)
|
|
{
|
|
FreeImageData();
|
|
|
|
width = nWidth;
|
|
height = nHeight;
|
|
colorType = PNG_COLOR_TYPE_RGB;
|
|
if (alpha)
|
|
colorType = PNG_COLOR_TYPE_RGBA;
|
|
bitDepth = 8; // nBitDepth;
|
|
|
|
size_t bytePerPixel = GetBytesPerPixel();
|
|
|
|
pixelMatrix = static_cast<uint8_t**>(malloc(sizeof(uint8_t*) * height));
|
|
for (size_t y = 0; y < height; y++)
|
|
{
|
|
pixelMatrix[y] = static_cast<uint8_t*>(calloc(width * bytePerPixel, sizeof(uint8_t*)));
|
|
}
|
|
|
|
hasImageData = true;
|
|
}
|
|
|
|
void ImageBackend::InitEmptyPaletteImage(uint32_t nWidth, uint32_t nHeight)
|
|
{
|
|
FreeImageData();
|
|
|
|
width = nWidth;
|
|
height = nHeight;
|
|
colorType = PNG_COLOR_TYPE_PALETTE;
|
|
bitDepth = 8;
|
|
|
|
size_t bytePerPixel = GetBytesPerPixel();
|
|
|
|
pixelMatrix = (uint8_t**)malloc(sizeof(uint8_t*) * height);
|
|
for (size_t y = 0; y < height; y++)
|
|
{
|
|
pixelMatrix[y] = static_cast<uint8_t*>(calloc(width * bytePerPixel, sizeof(uint8_t*)));
|
|
}
|
|
colorPalette = calloc(paletteSize, sizeof(png_color));
|
|
alphaPalette = static_cast<uint8_t*>(calloc(paletteSize, sizeof(uint8_t)));
|
|
|
|
hasImageData = true;
|
|
isColorIndexed = true;
|
|
}
|
|
|
|
RGBAPixel ImageBackend::GetPixel(size_t y, size_t x) const
|
|
{
|
|
assert(y < height);
|
|
assert(x < width);
|
|
assert(!isColorIndexed);
|
|
|
|
RGBAPixel pixel;
|
|
size_t bytePerPixel = GetBytesPerPixel();
|
|
pixel.r = pixelMatrix[y][x * bytePerPixel + 0];
|
|
pixel.g = pixelMatrix[y][x * bytePerPixel + 1];
|
|
pixel.b = pixelMatrix[y][x * bytePerPixel + 2];
|
|
if (colorType == PNG_COLOR_TYPE_RGBA)
|
|
pixel.a = pixelMatrix[y][x * bytePerPixel + 3];
|
|
return pixel;
|
|
}
|
|
|
|
uint8_t ImageBackend::GetIndexedPixel(size_t y, size_t x) const
|
|
{
|
|
assert(y < height);
|
|
assert(x < width);
|
|
assert(isColorIndexed);
|
|
|
|
return pixelMatrix[y][x];
|
|
}
|
|
|
|
void ImageBackend::SetRGBPixel(size_t y, size_t x, uint8_t nR, uint8_t nG, uint8_t nB, uint8_t nA)
|
|
{
|
|
assert(hasImageData);
|
|
assert(y < height);
|
|
assert(x < width);
|
|
|
|
size_t bytePerPixel = GetBytesPerPixel();
|
|
pixelMatrix[y][x * bytePerPixel + 0] = nR;
|
|
pixelMatrix[y][x * bytePerPixel + 1] = nG;
|
|
pixelMatrix[y][x * bytePerPixel + 2] = nB;
|
|
if (colorType == PNG_COLOR_TYPE_RGBA)
|
|
pixelMatrix[y][x * bytePerPixel + 3] = nA;
|
|
}
|
|
|
|
void ImageBackend::SetGrayscalePixel(size_t y, size_t x, uint8_t grayscale, uint8_t alpha)
|
|
{
|
|
assert(hasImageData);
|
|
assert(y < height);
|
|
assert(x < width);
|
|
|
|
size_t bytePerPixel = GetBytesPerPixel();
|
|
pixelMatrix[y][x * bytePerPixel + 0] = grayscale;
|
|
pixelMatrix[y][x * bytePerPixel + 1] = grayscale;
|
|
pixelMatrix[y][x * bytePerPixel + 2] = grayscale;
|
|
if (colorType == PNG_COLOR_TYPE_RGBA)
|
|
pixelMatrix[y][x * bytePerPixel + 3] = alpha;
|
|
}
|
|
|
|
void ImageBackend::SetIndexedPixel(size_t y, size_t x, uint8_t index, uint8_t grayscale)
|
|
{
|
|
assert(hasImageData);
|
|
assert(y < height);
|
|
assert(x < width);
|
|
|
|
size_t bytePerPixel = GetBytesPerPixel();
|
|
pixelMatrix[y][x * bytePerPixel + 0] = index;
|
|
|
|
assert(index < paletteSize);
|
|
png_color* pal = static_cast<png_color*>(colorPalette);
|
|
pal[index].red = grayscale;
|
|
pal[index].green = grayscale;
|
|
pal[index].blue = grayscale;
|
|
alphaPalette[index] = 255;
|
|
}
|
|
|
|
void ImageBackend::SetPaletteIndex(size_t index, uint8_t nR, uint8_t nG, uint8_t nB, uint8_t nA)
|
|
{
|
|
assert(isColorIndexed);
|
|
assert(index < paletteSize);
|
|
|
|
png_color* pal = static_cast<png_color*>(colorPalette);
|
|
pal[index].red = nR;
|
|
pal[index].green = nG;
|
|
pal[index].blue = nB;
|
|
alphaPalette[index] = nA;
|
|
}
|
|
|
|
void ImageBackend::SetPalette(const ImageBackend& pal, uint32_t offset)
|
|
{
|
|
assert(isColorIndexed);
|
|
size_t bytePerPixel = pal.GetBytesPerPixel();
|
|
|
|
for (size_t y = 0; y < pal.height; y++)
|
|
{
|
|
for (size_t x = 0; x < pal.width; x++)
|
|
{
|
|
size_t index = y * pal.width + x;
|
|
if (index >= paletteSize)
|
|
{
|
|
/*
|
|
* Some TLUTs are bigger than 256 colors.
|
|
* For those cases, we will only take the first 256
|
|
* to colorize this CI texture.
|
|
*/
|
|
return;
|
|
}
|
|
|
|
uint8_t r = pal.pixelMatrix[y][x * bytePerPixel + 0];
|
|
uint8_t g = pal.pixelMatrix[y][x * bytePerPixel + 1];
|
|
uint8_t b = pal.pixelMatrix[y][x * bytePerPixel + 2];
|
|
uint8_t a = pal.pixelMatrix[y][x * bytePerPixel + 3];
|
|
SetPaletteIndex(index + offset, r, g, b, a);
|
|
}
|
|
}
|
|
}
|
|
|
|
uint32_t ImageBackend::GetWidth() const
|
|
{
|
|
return width;
|
|
}
|
|
|
|
uint32_t ImageBackend::GetHeight() const
|
|
{
|
|
return height;
|
|
}
|
|
|
|
uint8_t ImageBackend::GetColorType() const
|
|
{
|
|
return colorType;
|
|
}
|
|
|
|
uint8_t ImageBackend::GetBitDepth() const
|
|
{
|
|
return bitDepth;
|
|
}
|
|
|
|
double ImageBackend::GetBytesPerPixel() const
|
|
{
|
|
switch (colorType)
|
|
{
|
|
case PNG_COLOR_TYPE_RGBA:
|
|
return 4 * bitDepth / 8;
|
|
|
|
case PNG_COLOR_TYPE_RGB:
|
|
return 3 * bitDepth / 8;
|
|
|
|
case PNG_COLOR_TYPE_PALETTE:
|
|
return 1 * bitDepth / 8;
|
|
|
|
default:
|
|
HANDLE_ERROR(WarningType::InvalidPNG, "invalid color type", "");
|
|
}
|
|
}
|
|
|
|
void ImageBackend::FreeImageData()
|
|
{
|
|
if (hasImageData)
|
|
{
|
|
for (size_t y = 0; y < height; y++)
|
|
free(pixelMatrix[y]);
|
|
free(pixelMatrix);
|
|
pixelMatrix = nullptr;
|
|
}
|
|
|
|
if (isColorIndexed)
|
|
{
|
|
free(colorPalette);
|
|
free(alphaPalette);
|
|
colorPalette = nullptr;
|
|
alphaPalette = nullptr;
|
|
isColorIndexed = false;
|
|
}
|
|
|
|
hasImageData = false;
|
|
}
|
|
|
|
/* RGBAPixel */
|
|
|
|
void RGBAPixel::SetRGBA(uint8_t nR, uint8_t nG, uint8_t nB, uint8_t nA)
|
|
{
|
|
r = nR;
|
|
g = nG;
|
|
b = nB;
|
|
a = nA;
|
|
}
|
|
|
|
void RGBAPixel::SetGrayscale(uint8_t grayscale, uint8_t alpha)
|
|
{
|
|
r = grayscale;
|
|
g = grayscale;
|
|
b = grayscale;
|
|
a = alpha;
|
|
}
|