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