Henrik Hautakoski
f7fcc2633c
The image class has a strict internal representation so we dont need "format". PixelFormat enum can be passed to functions that modify the pixel data (like setPixels()) so that a proper convertion can be done.
69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
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#ifndef SPECTRE_GRAPHICS_IMAGE_H
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#define SPECTRE_GRAPHICS_IMAGE_H
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#include <string>
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#include <vector>
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#include <Spectre/Math/Color.h>
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#include <Spectre/Math/Vector2.h>
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#include <Spectre/Graphics/PixelFormat.h>
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namespace sp {
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class Image
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{
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public :
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enum Channels {
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Alpha,
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RGB,
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RGBA
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};
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Image();
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void create(unsigned width, unsigned height, const Color& color = Color::Black, enum Channels comp = Channels::RGBA);
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void create(unsigned width, unsigned height, const void* pixels, PixelFormat format = PixelFormat::PF_RGBA);
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const Vector2u& getSize() const;
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unsigned int getWidth() const;
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unsigned int getHeight() const;
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unsigned int getNumChannels() const;
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unsigned int getStride() const;
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PixelFormat getFormat() const;
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// Returns true if the image has a alpha channel.
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bool hasAlpha() const;
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bool loadFromFile(const std::string& filename);
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bool loadFromMemory(const void *data, unsigned int size);
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void saveToFile(const std::string& filename) const;
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void setPixel(unsigned x, unsigned y, const Color& c);
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Color getPixel(unsigned x, unsigned y) const;
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void setPixels(const void* pixels, PixelFormat format = PixelFormat::PF_RGBA);
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const unsigned char* getPixels() const;
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void flipY();
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private :
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Vector2u m_size;
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enum Channels m_channels;
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std::vector<unsigned char> m_pixels;
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};
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} //namespace sp
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#endif /* SPECTRE_GRAPHICS_IMAGE_H */
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