bsnes/nall/image.hpp

170 lines
6.8 KiB
C++
Executable File

#pragma once
#include <algorithm>
#include <nall/file-map.hpp>
#include <nall/interpolation.hpp>
#include <nall/stdint.hpp>
#include <nall/decode/bmp.hpp>
#include <nall/decode/png.hpp>
namespace nall {
struct image {
enum class blend : uint {
add,
sourceAlpha, //color = sourceColor * sourceAlpha + targetColor * (1 - sourceAlpha)
sourceColor, //color = sourceColor
targetAlpha, //color = targetColor * targetAlpha + sourceColor * (1 - targetAlpha)
targetColor, //color = targetColor
};
struct channel {
channel(uint64_t mask, uint depth, uint shift) : _mask(mask), _depth(depth), _shift(shift) {
}
auto operator==(const channel& source) const -> bool {
return _mask == source._mask && _depth == source._depth && _shift == source._shift;
}
auto operator!=(const channel& source) const -> bool {
return !operator==(source);
}
alwaysinline auto mask() const { return _mask; }
alwaysinline auto depth() const { return _depth; }
alwaysinline auto shift() const { return _shift; }
private:
uint64_t _mask;
uint _depth;
uint _shift;
};
//core.hpp
inline image(const image& source);
inline image(image&& source);
inline image(bool endian, uint depth, uint64_t alphaMask, uint64_t redMask, uint64_t greenMask, uint64_t blueMask);
inline image(const string& filename);
inline image(const void* data, uint size);
inline image(const vector<uint8_t>& buffer);
template<uint Size> inline image(const uint8_t (&Name)[Size]);
inline image();
inline ~image();
inline auto operator=(const image& source) -> image&;
inline auto operator=(image&& source) -> image&;
inline explicit operator bool() const;
inline auto operator==(const image& source) const -> bool;
inline auto operator!=(const image& source) const -> bool;
inline auto read(const uint8_t* data) const -> uint64_t;
inline auto write(uint8_t* data, uint64_t value) const -> void;
inline auto free() -> void;
inline auto load(const string& filename) -> bool;
inline auto copy(const void* data, uint pitch, uint width, uint height) -> void;
inline auto allocate(uint width, uint height) -> void;
//fill.hpp
inline auto fill(uint64_t color = 0) -> void;
inline auto gradient(uint64_t a, uint64_t b, uint64_t c, uint64_t d) -> void;
inline auto gradient(uint64_t a, uint64_t b, int radiusX, int radiusY, int centerX, int centerY, function<double (double, double)> callback) -> void;
inline auto crossGradient(uint64_t a, uint64_t b, int radiusX, int radiusY, int centerX, int centerY) -> void;
inline auto diamondGradient(uint64_t a, uint64_t b, int radiusX, int radiusY, int centerX, int centerY) -> void;
inline auto horizontalGradient(uint64_t a, uint64_t b, int radiusX, int radiusY, int centerX, int centerY) -> void;
inline auto radialGradient(uint64_t a, uint64_t b, int radiusX, int radiusY, int centerX, int centerY) -> void;
inline auto sphericalGradient(uint64_t a, uint64_t b, int radiusX, int radiusY, int centerX, int centerY) -> void;
inline auto squareGradient(uint64_t a, uint64_t b, int radiusX, int radiusY, int centerX, int centerY) -> void;
inline auto verticalGradient(uint64_t a, uint64_t b, int radiusX, int radiusY, int centerX, int centerY) -> void;
//scale.hpp
inline auto scale(uint width, uint height, bool linear = true) -> void;
//blend.hpp
inline auto impose(blend mode, uint targetX, uint targetY, image source, uint x, uint y, uint width, uint height) -> void;
//utility.hpp
inline auto shrink(uint64_t transparentColor = 0) -> void;
inline auto crop(uint x, uint y, uint width, uint height) -> bool;
inline auto alphaBlend(uint64_t alphaColor) -> void;
inline auto alphaMultiply() -> void;
inline auto transform(const image& source = {}) -> void;
inline auto transform(bool endian, uint depth, uint64_t alphaMask, uint64_t redMask, uint64_t greenMask, uint64_t blueMask) -> void;
//static.hpp
static inline auto bitDepth(uint64_t color) -> uint;
static inline auto bitShift(uint64_t color) -> uint;
static inline auto normalize(uint64_t color, uint sourceDepth, uint targetDepth) -> uint64_t;
//access
alwaysinline auto data() { return _data; }
alwaysinline auto data() const { return _data; }
alwaysinline auto width() const { return _width; }
alwaysinline auto height() const { return _height; }
alwaysinline auto endian() const { return _endian; }
alwaysinline auto depth() const { return _depth; }
alwaysinline auto stride() const { return (_depth + 7) >> 3; }
alwaysinline auto pitch() const { return _width * stride(); }
alwaysinline auto size() const { return _height * pitch(); }
alwaysinline auto alpha() const { return _alpha; }
alwaysinline auto red() const { return _red; }
alwaysinline auto green() const { return _green; }
alwaysinline auto blue() const { return _blue; }
private:
//core.hpp
inline auto allocate(uint width, uint height, uint stride) -> uint8_t*;
//scale.hpp
inline auto scaleLinearWidth(uint width) -> void;
inline auto scaleLinearHeight(uint height) -> void;
inline auto scaleLinear(uint width, uint height) -> void;
inline auto scaleNearest(uint width, uint height) -> void;
//load.hpp
inline auto loadBMP(const string& filename) -> bool;
inline auto loadBMP(const uint8_t* data, uint size) -> bool;
inline auto loadPNG(const string& filename) -> bool;
inline auto loadPNG(const uint8_t* data, uint size) -> bool;
//interpolation.hpp
alwaysinline auto isplit(uint64_t* component, uint64_t color) -> void;
alwaysinline auto imerge(const uint64_t* component) -> uint64_t;
alwaysinline auto interpolate1f(uint64_t a, uint64_t b, double x) -> uint64_t;
alwaysinline auto interpolate1f(uint64_t a, uint64_t b, uint64_t c, uint64_t d, double x, double y) -> uint64_t;
alwaysinline auto interpolate1i(int64_t a, int64_t b, uint32_t x) -> uint64_t;
alwaysinline auto interpolate1i(int64_t a, int64_t b, int64_t c, int64_t d, uint32_t x, uint32_t y) -> uint64_t;
inline auto interpolate4f(uint64_t a, uint64_t b, double x) -> uint64_t;
inline auto interpolate4f(uint64_t a, uint64_t b, uint64_t c, uint64_t d, double x, double y) -> uint64_t;
inline auto interpolate4i(uint64_t a, uint64_t b, uint32_t x) -> uint64_t;
inline auto interpolate4i(uint64_t a, uint64_t b, uint64_t c, uint64_t d, uint32_t x, uint32_t y) -> uint64_t;
uint8_t* _data = nullptr;
uint _width = 0;
uint _height = 0;
bool _endian = 0; //0 = lsb, 1 = msb
uint _depth = 32;
channel _alpha{255u << 24, 8, 24};
channel _red {255u << 16, 8, 16};
channel _green{255u << 8, 8, 8};
channel _blue {255u << 0, 8, 0};
};
}
#include <nall/image/static.hpp>
#include <nall/image/core.hpp>
#include <nall/image/load.hpp>
#include <nall/image/interpolation.hpp>
#include <nall/image/fill.hpp>
#include <nall/image/scale.hpp>
#include <nall/image/blend.hpp>
#include <nall/image/utility.hpp>