41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
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#ifndef __BPAINTWND_H
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#define __BPAINTWND_H
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#include <api/wnd/wndclass/guiobjwnd.h>
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#define BUFFERPAINTWND_PARENT GuiObjectWnd
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class BufferPaintWnd : public BUFFERPAINTWND_PARENT {
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public:
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BufferPaintWnd();
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virtual ~BufferPaintWnd();
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virtual int onInit();
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virtual int onPaint(Canvas *c);
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virtual int onBufferPaint(BltCanvas *c, int w, int h) { return 1; }
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virtual int wantEvenAlignment() { return 0; } // if you need even coordinates for your framebuffer, return 1 here
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virtual void getBufferPaintSize(int *w, int *h); // by default returns client width/height
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virtual void getBufferPaintSource(RECT *r); // by default returns the size of the quickpaint canvas
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virtual void getBufferPaintDest(RECT *r); // by default returns the size of client area
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virtual int wantNegativeHeight() { return 0; }
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virtual void invalidateBuffer();
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virtual int onResize();
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virtual void onNewBuffer(int w, int h) {}
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protected:
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BltCanvas *render_canvas;
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private:
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void bufferPaint();
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int updateCanvas();
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int canvas_w, canvas_h;
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int invalidated;
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};
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#endif
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