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https://github.com/mirkobrombin/raven.git
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33 lines
2.5 KiB
C
33 lines
2.5 KiB
C
#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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__declspec(dllexport) volatile BYTE brush_pixels[16*12*4];
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int raven_entry(void)
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{
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HDC a=CreateCompatibleDC(NULL),b=CreateCompatibleDC(NULL); if(!a || !b) return 1;
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HBRUSH brush=CreateSolidBrush(RGB(37,91,173)); LOGBRUSH info={0}; if(!brush || GetObjectW(brush,sizeof(info),&info)!=16 || info.lbStyle!=BS_SOLID || info.lbColor!=RGB(37,91,173) || info.lbHatch) return 2;
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for(int n=0;n<=18;++n) {
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BYTE bytes[24]; for(unsigned i=0;i<24;++i) bytes[i]=0xcc;
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unsigned count=n>16 ? 16 : (unsigned)n;
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if(GetObjectW(brush,n,bytes)!=(int)count || GetObjectW(brush,n,NULL)!=16) return 3;
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for(unsigned i=0;i<count;++i) if(bytes[i]!=((BYTE *)&info)[i]) return 4;
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for(unsigned i=count;i<24;++i) if(bytes[i]!=0xcc) return 5;
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}
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HGDIOBJ olda=SelectObject(a,brush),oldb=SelectObject(b,brush); if(!olda || !oldb || GetCurrentObject(a,OBJ_BRUSH)!=brush || !DeleteObject(brush) || GetObjectW(brush,0,NULL)!=16) return 6;
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if(SelectObject(a,olda)!=brush || GetObjectW(brush,0,NULL)!=16 || !DeleteDC(b) || GetObjectW(brush,0,NULL)) return 7;
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const COLORREF colors[]={0xffffff,0xc0c0c0,0x808080,0x404040,0,0};
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for(int i=0;i<6;++i) { HGDIOBJ stock=GetStockObject(i); LOGBRUSH value={0}; if(!stock || GetObjectW(stock,sizeof(value),&value)!=16 || value.lbStyle!=(i==5 ? BS_HOLLOW : BS_SOLID) || value.lbColor!=colors[i] || value.lbHatch || !DeleteObject(stock) || GetObjectW(stock,0,NULL)!=16) return 8; }
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BITMAPINFO bitmap={0}; bitmap.bmiHeader.biSize=40; bitmap.bmiHeader.biWidth=16; bitmap.bmiHeader.biHeight=-12; bitmap.bmiHeader.biPlanes=1; bitmap.bmiHeader.biBitCount=32;
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void *storage=NULL; HBITMAP surface=CreateDIBSection(a,&bitmap,DIB_RGB_COLORS,&storage,NULL,0); if(!surface || !storage) return 9;
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HGDIOBJ previous=SelectObject(a,surface); if(!previous) return 10;
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BYTE *pixels=storage; for(unsigned i=0;i<16*12*4;++i) pixels[i]=119;
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brush=CreateSolidBrush(RGB(37,91,173)); RECT rect={2,3,10,9},empty={9,8,2,3};
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if(!brush || !FillRect(a,&rect,brush) || !FillRect(a,&empty,brush) || !FillRect(a,&rect,GetStockObject(NULL_BRUSH))) return 11;
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for(unsigned y=0;y<12;++y) for(unsigned x=0;x<16;++x) {
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unsigned at=(y*16+x)*4; BOOL inside=x>=2 && x<10 && y>=3 && y<9;
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if(pixels[at]!=(inside ? 173 : 119) || pixels[at+1]!=(inside ? 91 : 119) || pixels[at+2]!=(inside ? 37 : 119) || pixels[at+3]!=(inside ? 0 : 119)) return 12;
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for(unsigned c=0;c<4;++c) brush_pixels[at+c]=pixels[at+c];
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}
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SelectObject(a,previous); if(!DeleteDC(a) || !DeleteObject(surface) || !DeleteObject(brush)) return 13;
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return 0;
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}
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