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#pragma once
#include "Core/Object.h"
#include "Core/Geometry/Point.h"
#include "Core/Geometry/Size.h"
#include "Color.h"
namespace storm {
STORM_PKG(graphics);
/**
* A 32-bit RGBA image.
*/
class Image : public Object {
STORM_CLASS;
public:
// Empty image.
STORM_CTOR Image();
// Copy.
Image(const Image &o);
// Create an image with the specified size. The image is initially entirely transparent
// (based on the color black).
STORM_CTOR Image(geometry::Size size);
STORM_CTOR Image(Nat w, Nat h);
// Get the width of the image.
inline Nat STORM_FN width() { return w; }
// Get the height of the image.
inline Nat STORM_FN height() { return h; }
// Get the size of the image.
geometry::Size STORM_FN size();
// Does this image contain any pixels that are transparent or semi-transparent?
Bool STORM_FN hasAlpha();
// Get the pixel at a coordinate.
Color STORM_FN get(Nat x, Nat y);
// Get the pixel at the specified coordinate. Truncates any fractions, does not perform any interpolation.
Color STORM_FN get(geometry::Point at);
// Set the pixel at the specified coordinate.
void STORM_FN set(Nat x, Nat y, Color c);
void STORM_FN set(geometry::Point p, Color c);
// TODO: Also provide image[px] = x
// Raw buffer information:
// Stride, difference between each row (in bytes).
Nat stride() const;
// Size of buffer.
Nat bufferSize() const;
// Raw buffer access.
byte *buffer();
byte *buffer(Nat x, Nat y);
// Flip the contents vertically. Useful when working with e.g. OpenGL.
void vflip();
private:
// Data.
GcArray<Byte> *data;
// Size.
Nat w;
Nat h;
// Compute offset of pixel.
Nat offset(Nat x, Nat y);
};
}
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