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#pragma once
#include "Graphics.h"
namespace gui {
/**
* Graphics object used for drawing inside a Painter. A suitable subclass to this abstract class
* will be created when the Painter is initialized depending on which graphics backend is used.
*
* This class extends the public interface of Graphics with some internal functions used to
* communicate between the Painter and the Graphic class.
*
* Not usable outside the 'render' function in a Painter.
*/
class WindowGraphics : public Graphics {
STORM_CLASS;
public:
// Create.
WindowGraphics();
// Called when the associated Surface was resized.
virtual void surfaceResized();
// Called when the associated Surface is about to be destroyed.
virtual void surfaceDestroyed();
// Prepare for rendering. Given the BG color of the painter.
virtual void beforeRender(Color bgColor);
// Housekeeping after rendering. Returns "false" if the surface needs to be re-created for some reason.
virtual bool afterRender();
};
// Define all members of the WindowGraphics as dummies that don't do anything. This is useful
// when writing a class that only works on some systems, so that a dummy implementation can be
// generated on other systems. The Storm preprocessor does not support "ignoring" classes in
// certain conditions as it is not aware of all defines etc. so this is the option we have.
#define DEFINE_WINDOW_GRAPHICS_FNS(CLASS) \
void CLASS::surfaceResized() {} \
void CLASS::surfaceDestroyed() {} \
void CLASS::beforeRender(Color) {} \
bool CLASS::afterRender() { return true; } \
void CLASS::reset() {} \
void CLASS::push() {} \
void CLASS::push(Float) {} \
void CLASS::push(Rect) {} \
void CLASS::push(Rect, Float) {} \
Bool CLASS::pop() { return false; } \
void CLASS::transform(Transform *) {} \
void CLASS::lineWidth(Float) {} \
void CLASS::line(Point, Point, Brush *) {} \
void CLASS::draw(Rect, Brush *) {} \
void CLASS::draw(Rect, Size, Brush *) {} \
void CLASS::oval(Rect, Brush *) {} \
void CLASS::draw(Path *, Brush *) {} \
void CLASS::fill(Rect, Brush *) {} \
void CLASS::fill(Rect, Size, Brush *) {} \
void CLASS::fill(Brush *) {} \
void CLASS::fillOval(Rect, Brush *) {} \
void CLASS::fill(Path *, Brush *) {} \
void CLASS::draw(Bitmap *, Rect, Float) {} \
void CLASS::draw(Bitmap *, Rect, Rect, Float) {} \
void CLASS::text(Str *, Font *, Brush *, Rect) {} \
void CLASS::draw(Text *, Brush *, Point) {}
}
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