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git-svn-id: svn://ultimatepp.org/upp/trunk@10263 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2016-10-04 08:34:39 +00:00
parent adf46bd64e
commit 2e4b276e07
3860 changed files with 1161787 additions and 438 deletions
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102
uppdev/CDraw/PixelBlock.cpp Normal file
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#include "MDraw.h"
int PixelBlock::display;
void PixelBlock::Create0(int cx, int cy, bool section)
{
if(!display)
Init();
hbmp = NULL;
buffer = NULL;
size.cx = cx;
size.cy = cy;
#ifdef PLATFORM_WIN32
if(section) {
TIMING("Create section");
Buffer<byte> bibuffer(sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*256);
BITMAPINFOHEADER *hi = (BITMAPINFOHEADER *) ~bibuffer;;
BITMAPINFO *bi = (BITMAPINFO *)hi;
memset(bi, 0, sizeof(BITMAPINFOHEADER));
hi->biSize = sizeof(BITMAPINFOHEADER);
hi->biPlanes = 1;
hi->biBitCount = 32;
hi->biCompression = BI_RGB;
hi->biSizeImage = 0;
hi->biClrUsed = 0;
hi->biClrImportant = 0;
hi->biWidth = size.cx;
hi->biHeight = size.cy;
hbmp = CreateDIBSection(ScreenInfo().GetHandle(), bi, DIB_RGB_COLORS, (void **)&pixel, NULL, 0);
return;
}
#endif
static dword helpbuffer[1600 * 1200];
buffer = helpbuffer;
// buffer = (dword *)GlobalAlloc(GMEM_FIXED, sizeof(dword) * cx * cy);
pixel = buffer;
}
void PixelBlock::Create(int cx, int cy)
{
Clear();
Create0(cx, cy);
}
void PixelBlock::Clear()
{
if(hbmp)
::DeleteObject(hbmp);
// if(buffer)
// GlobalFree(buffer);
pixel = NULL;
hbmp = NULL;
size.cx = size.cy = 0;
}
PixelBlock::~PixelBlock()
{
Clear();
}
void PixelBlock::DrawRect(int x, int y, int cx, int cy, Color c)
{
RTIMING("DrawRect");
dword color = c.GetRaw();
dword *l = pixel + y * size.cx + x;
while(cy--) {
memsetd(l, color, cx);
// memset(l, color, 2 * cx);
l += size.cx;
}
}
int PixelBlock::LineDelta()
{
return size.cx;
}
dword *PixelBlock::PointAdr(int x, int y)
{
return pixel + y * size.cx + x;
}
PixelBlock::PixelBlock()
{
size.cx = size.cy = 0;
hbmp = NULL;
pixel = NULL;
}
PixelBlock::PixelBlock(int cx, int cy, bool section)
{
Create0(cx, cy, section);
}