Michael Fabian 'Xaymar' Dirks
68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
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#ifndef DDUTIL_H
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#define DDUTIL_H
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#include "GraphicsRuntime.hpp"
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class gxGraphics;
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struct ddUtil {
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static void buildMipMaps(IDirectDrawSurface7* surf);
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static void copy(IDirectDrawSurface7* dest, int dx, int dy, int dw, int dh, IDirectDrawSurface7* src, int sx,
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int sy, int sw, int sh);
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static IDirectDrawSurface7* loadSurface(const std::string& f, int flags, gxGraphics* gfx);
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static IDirectDrawSurface7* createSurface(int width, int height, int flags, gxGraphics* gfx);
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};
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class PixelFormat {
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int depth, pitch;
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unsigned amask, rmask, gmask, bmask, argbfill;
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unsigned char ashr, ashl, rshr, rshl, gshr, gshl, bshr, bshl;
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typedef void(_fastcall* Plot)(void* pix, unsigned argb);
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typedef unsigned(_fastcall* Point)(void* pix);
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Plot plot;
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Point point;
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char *plot_code, *point_code;
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public:
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PixelFormat() : plot_code(0) {}
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PixelFormat(const DDPIXELFORMAT& pf) : plot_code(0)
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{
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setFormat(pf);
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}
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~PixelFormat();
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void setFormat(const DDPIXELFORMAT& pf);
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int getDepth() const
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{
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return depth;
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}
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int getPitch() const
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{
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return pitch;
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}
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unsigned fromARGB(unsigned n) const
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{
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return ((n >> ashr << ashl) & amask) | ((n >> rshr << rshl) & rmask) | ((n >> gshr << gshl) & gmask)
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| ((n >> bshr << bshl) & bmask);
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}
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unsigned toARGB(unsigned n) const
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{
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return ((n & amask) >> ashl << ashr) | ((n & rmask) >> rshl << rshr) | ((n & gmask) >> gshl << gshr)
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| ((n & bmask) >> bshl << bshr) | argbfill;
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}
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void setPixel(void* p, unsigned n) const
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{
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plot(p, n);
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}
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unsigned getPixel(void* p) const
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{
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return point(p);
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}
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};
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#endif |