forked from KolibriOS/kolibrios
80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
unsigned long cur_color;
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class TKlbrGraphDraw : public TGraphDraw
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{
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public:
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virtual int SetColor(unsigned long c) {cur_color=c;return 1;}
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virtual int DrawLine(int x0, int y0, int x1, int y1);
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virtual int DrawText(int x0, int y0, char* text);
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virtual int IsDraw(void) {return 1;}
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virtual int DrawClear();
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virtual unsigned long CreateColor(unsigned short red,
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unsigned short green, unsigned short blue);
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virtual void GetSize(int &w, int &h);
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virtual int GetTextH(const char *s) {return 10;}
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virtual int GetTextW(const char *s) {return 6 * strlen(s);}
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virtual void Quit(int q = 1) {CloseWindow();}
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};
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int TKlbrGraphDraw::DrawLine(int x0, int y0, int x1, int y1)
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{
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asm mov ebx, x0
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asm shl ebx, 16
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asm add ebx, x1
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asm mov ecx, y0
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asm shl ecx, 16
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asm add ecx, y1
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asm mov edx, [cur_color]
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asm push 38
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asm pop eax
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asm int 40h
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return 1;
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}
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int TKlbrGraphDraw::DrawText(int x0, int y0, char* text)
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{
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asm mov ebx, x0
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asm shl ebx, 16
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asm add ebx, y0
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asm mov ecx, [cur_color]
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asm or ecx, 0xC0000000
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asm mov edx, text
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asm mov edi, 0xFFFFFF
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asm push 4
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asm pop eax
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asm int 40h
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return 1;
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}
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int TKlbrGraphDraw::DrawClear(void)
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{
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int w,h;
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GetSize(w,h);
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asm mov ebx, w
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asm mov ecx, h
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asm mov edx, 0xFFFFFF
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asm push 13
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asm pop eax
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asm int 40h
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return 1;
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}
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unsigned long TKlbrGraphDraw::CreateColor(unsigned short red,
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unsigned short green, unsigned short blue)
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{
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return (unsigned long)(blue >> 8) + ((unsigned long)(green >> 8) << 8) +
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((unsigned long)(red >> 8) << 16);
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}
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void TKlbrGraphDraw::GetSize(int &w, int &h)
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{
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int width, height;
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asm sub esp, 1024
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asm mov ebx, esp
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asm or ecx, -1
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asm push 9
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asm pop eax
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asm int 40h
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asm mov eax, [esp+62]
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asm mov width, eax
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asm mov eax, [esp+66]
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asm mov height, eax
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asm add esp, 1024
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w = width;
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h = height;
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}
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