42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
#ifndef _BLTCANVAS_H
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#define _BLTCANVAS_H
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#include "canvas.h"
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#include <tataki/export.h>
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#include <bfc/ptrlist.h>
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class TATAKIAPI BltCanvas : public Canvas
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{
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public:
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BltCanvas();
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BltCanvas(int w, int h, HWND wnd=NULL, int nb_bpp=32/*, unsigned __int8 *pal=NULL,int palsize=0*/);
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BltCanvas(HBITMAP bmp);
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virtual ~BltCanvas();
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void *getBits();
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HBITMAP getBitmap();
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SkinBitmap *makeSkinBitmap(); // this one makes a new, with own bits
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SkinBitmap *getSkinBitmap(); // this one gives a skinbitmap envoloppe of this bltcanvas
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void disposeSkinBitmap(SkinBitmap *b); // call only after makeSkinBitmap
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void fillBits(COLORREF color);
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void vflip(int vert_cells=1);
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void hflip(int hor_cells=1);
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void maskColor(COLORREF from, COLORREF to);
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void makeAlpha(int newalpha=-1); // -1 = premultiply using current alpha
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void DestructiveResize(int w, int h, int nb_bpp = 32); // resizes the bitmap, destroying the contents
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private: // NONPORTABLE
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void AllocBitmap(int w, int h, int nb_bpp);
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HBITMAP hbmp, prevbmp;
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PtrList<SkinBitmap> *skinbmps;
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SkinBitmap *envelope;
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BITMAP bm;
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bool ourbmp;
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int bpp;
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//void premultiply(ARGB32 *m_pBits, int nwords, int newalpha=-1);
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};
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#endif
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