86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
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#pragma once
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#if !defined(BAD_APPLE_OS_DRAW_HPP_INCLUDED)
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#define BAD_APPLE_OS_DRAW_HPP_INCLUDED
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#include <stdint.h>
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#include <array>
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#include <vector>
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namespace psf
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{
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class Font;
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}
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namespace draw
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{
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const unsigned SIZE_FULL = static_cast<unsigned>(-1);
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struct Pixel
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{
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uint8_t blue = 0;
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uint8_t green = 0;
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uint8_t red = 0;
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uint8_t reserved_ = 0;
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};
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inline Pixel PIXEL_WHITE = {255, 255, 255};
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inline Pixel PIXEL_BLACK = {0, 0, 0};
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extern const std::array<Pixel, 16> VGA_PIXELS;
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class Framebuffer
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{
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protected:
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Pixel* mBase = nullptr;
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unsigned mWidth = 0;
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unsigned mHeight = 0;
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unsigned mPitch = 0;
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public:
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Framebuffer() = default;
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Framebuffer(const Framebuffer&) = default;
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Framebuffer(Pixel* base, unsigned width, unsigned height, unsigned pitch) noexcept
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: mBase(base), mWidth(width), mHeight(height), mPitch(pitch) {}
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[[nodiscard]] Pixel* getBase() const noexcept { return mBase; }
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[[nodiscard]] unsigned getWidth() const noexcept { return mWidth; }
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[[nodiscard]] unsigned getHeight() const noexcept { return mHeight; }
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[[nodiscard]] unsigned getPitch() const noexcept { return mPitch; }
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[[nodiscard]] unsigned getBufferSize() const noexcept { return mPitch * mHeight * sizeof(Pixel); }
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const Pixel& getPixel(unsigned posX, unsigned posY) noexcept;
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void setPixel(unsigned posX, unsigned posY, Pixel pixel) noexcept;
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};
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class OwningFramebuffer : public Framebuffer
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{
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private:
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std::vector<Pixel> mPixels;
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public:
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OwningFramebuffer() = default;
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OwningFramebuffer(const OwningFramebuffer&) noexcept = default;
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OwningFramebuffer(OwningFramebuffer&&) noexcept = default;
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OwningFramebuffer(unsigned width, unsigned height, unsigned pitch) noexcept;
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OwningFramebuffer& operator=(const OwningFramebuffer&) noexcept = default;
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OwningFramebuffer& operator=(OwningFramebuffer&&) noexcept = default;
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static OwningFramebuffer makeFrom(const Framebuffer& other) noexcept
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{
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return OwningFramebuffer(other.getWidth(), other.getHeight(), other.getPitch());
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}
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};
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void initializeDefaultFramebuffer(const Framebuffer& framebuffer) noexcept;
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[[nodiscard]] const Framebuffer& getPrimaryFramebuffer() noexcept;
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void setPixelDirect(unsigned posX, unsigned posY, Pixel pixel) noexcept;
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void setPixel(unsigned posX, unsigned posY, Pixel pixel) noexcept;
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const Pixel& getPixel(unsigned posX, unsigned posY) noexcept;
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void character(unsigned posX, unsigned posY, const psf::Font& font, char chr, const Pixel& fgColor = PIXEL_WHITE, const Pixel& bgColor = PIXEL_BLACK) noexcept;
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void scrollBy(int scrollX, int scrollY, const Pixel& fillColor = PIXEL_BLACK) noexcept;
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}
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#endif // !defined(BAD_APPLE_OS_FRAMEBUFFER_HPP_INCLUDED)
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