cee::Image
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class
Image: public RefCountedObject Stores an RGBA image with 8 bits per pixel.
All pixel values are packed with no alignment.
Public Functions
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Image() Constructs an empty image.
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Image &
operator=(const Image &other) Assigns other to this image and returns a reference to this image.
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unsigned int
width() const Returns the width of image in pixels.
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unsigned int
height() const Returns the height of image in pixels.
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unsigned int
byteCount() const Returns the total number of bytes occupied by this image.
Always 4*width*height
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bool
hasTransparentPixels() const Returns true if the image has any (semi-)transparent pixels (a != 255)
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void
getAsRgb(unsigned char rgbDataBuffer[], size_t bufferSizeInBytes) const Gets the RGB pixel data of this image object.
Each color component is 8 bits.
The RGB pixel values of this image object will be written into the rgbDataBuffer
The rgbDataBuffer needs to be preallocated to the size bufferSizeInBytes. bufferSizeInBytes must be at least the size of the actual image data.
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void
setFromRgb(const unsigned char rgbData[], unsigned int width, unsigned int height) Sets the pixel data of this image object from an array of RGB unsigned byte values.
The image will be reallocated to accommodate the specified width and height.
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void
getAsRgba(unsigned char rgbaDataBuffer[], size_t bufferSizeInBytes) const Gets the pixel data as an array of RGBA values.
Each color component is 8 bits.
The rgbaDataBuffer needs to be preallocated to the size bufferSizeInBytes. If bufferSizeInBytes is smaller than the size of the actual image data, only the first bufferSizeInBytes number of bytes will be copied.
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void
setFromRgba(const unsigned char rgbaData[], unsigned int width, unsigned int height) Sets the image data from an array of RGBA values.
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void
clear() Clears all image bits and sets width and height to zero.
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unsigned int
version() const Returns the version of the texture. The version is increased whenever the texture is changed.
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const unsigned char *
rawPointer() const Returns a raw pointer to the RGBA pixel array.
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