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102 lines
1.9 KiB
C++
102 lines
1.9 KiB
C++
#include "MDraw.h"
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int PixelBlock::display;
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void PixelBlock::Create0(int cx, int cy, bool section)
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{
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if(!display)
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Init();
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hbmp = NULL;
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buffer = NULL;
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size.cx = cx;
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size.cy = cy;
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#ifdef PLATFORM_WIN32
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if(section) {
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TIMING("Create section");
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Buffer<byte> bibuffer(sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*256);
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BITMAPINFOHEADER *hi = (BITMAPINFOHEADER *) ~bibuffer;;
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BITMAPINFO *bi = (BITMAPINFO *)hi;
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memset(bi, 0, sizeof(BITMAPINFOHEADER));
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hi->biSize = sizeof(BITMAPINFOHEADER);
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hi->biPlanes = 1;
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hi->biBitCount = 32;
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hi->biCompression = BI_RGB;
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hi->biSizeImage = 0;
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hi->biClrUsed = 0;
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hi->biClrImportant = 0;
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hi->biWidth = size.cx;
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hi->biHeight = size.cy;
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hbmp = CreateDIBSection(ScreenInfo().GetHandle(), bi, DIB_RGB_COLORS, (void **)&pixel, NULL, 0);
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return;
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}
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#endif
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static dword helpbuffer[1600 * 1200];
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buffer = helpbuffer;
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// buffer = (dword *)GlobalAlloc(GMEM_FIXED, sizeof(dword) * cx * cy);
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pixel = buffer;
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}
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void PixelBlock::Create(int cx, int cy)
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{
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Clear();
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Create0(cx, cy);
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}
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void PixelBlock::Clear()
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{
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if(hbmp)
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::DeleteObject(hbmp);
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// if(buffer)
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// GlobalFree(buffer);
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pixel = NULL;
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hbmp = NULL;
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size.cx = size.cy = 0;
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}
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PixelBlock::~PixelBlock()
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{
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Clear();
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}
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void PixelBlock::DrawRect(int x, int y, int cx, int cy, Color c)
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{
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RTIMING("DrawRect");
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dword color = c.GetRaw();
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dword *l = pixel + y * size.cx + x;
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while(cy--) {
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memsetd(l, color, cx);
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// memset(l, color, 2 * cx);
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l += size.cx;
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}
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}
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int PixelBlock::LineDelta()
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{
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return size.cx;
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}
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dword *PixelBlock::PointAdr(int x, int y)
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{
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return pixel + y * size.cx + x;
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}
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PixelBlock::PixelBlock()
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{
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size.cx = size.cy = 0;
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hbmp = NULL;
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pixel = NULL;
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}
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PixelBlock::PixelBlock(int cx, int cy, bool section)
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{
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Create0(cx, cy, section);
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}
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