void CSkinDlg::OnSize(UINT nType, int cx, int cy)
{
CDialogEx::OnSize(nType, cx, cy);
if (nType != SIZE_MAXIMIZED)
{
CRect rc;
GetClientRect(&rc);
CRgn rgn;
CPoint points[8] = { CPoint(rc.left, CORNER_SIZE), CPoint(CORNER_SIZE, rc.top),
CPoint(rc.right - CORNER_SIZE, rc.top), CPoint(rc.right, CORNER_SIZE),
CPoint(rc.right, rc.bottom - CORNER_SIZE - 1), CPoint(rc.right - CORNER_SIZE - 1, rc.bottom),
CPoint(CORNER_SIZE + 1, rc.bottom), CPoint(rc.left, rc.bottom - CORNER_SIZE - 1) };
int nPolyCounts[1] = { 8 };
int dd = rgn.CreatePolyPolygonRgn(points, nPolyCounts, 1, WINDING);
SetWindowRgn(rgn, TRUE);
}
else
{
SetWindowRgn(NULL, FALSE);
}
// TODO: 在此处添加消息处理程序代码
}
BOOL CDrawing::DrawRaster(CDC* pDC, OgdcDatasetRaster* pDatasetR)
{
OGDCASSERT(!OGDCIS0(m_dCoordRatio) && !m_rcClient.IsRectEmpty());
OgdcRect2D rcDraw = pDatasetR->GetBounds();
if(!rcDraw.IntersectRect(m_rcViewBounds, rcDraw))
{
return FALSE;
}
BYTE *lp = new BYTE[sizeof(BITMAPINFOHEADER)+sizeof(RGBQUAD)*256];
if(lp == NULL)
{
return FALSE;
}
int i = 0;
BITMAPINFO *pBitMapInfo = (BITMAPINFO*)lp;
PixelFormat ePixelFormat = pDatasetR->GetPixelFormat();
pBitMapInfo->bmiHeader.biBitCount = BitCount(ePixelFormat);
if(pDatasetR->GetBandCount() <= 1)
{
if(pDatasetR->GetType() == OgdcDataset::Image && ePixelFormat <= IPF_BYTE)
{
OgdcColorset colorset = pDatasetR->m_info.m_colorset;
if(colorset.GetSize() == 0)
{
if(ePixelFormat == IPF_MONO)
{
pBitMapInfo->bmiColors[0].rgbBlue = 0;
pBitMapInfo->bmiColors[0].rgbGreen = 0;
pBitMapInfo->bmiColors[0].rgbRed = 0;
pBitMapInfo->bmiColors[0].rgbReserved = 0;
pBitMapInfo->bmiColors[1].rgbBlue = 255;
pBitMapInfo->bmiColors[1].rgbGreen = 255;
pBitMapInfo->bmiColors[1].rgbRed = 255;
pBitMapInfo->bmiColors[1].rgbReserved = 0;
}
else if(ePixelFormat == IPF_FBIT)
{
for(i = 0; i < 16; i++)
{
pBitMapInfo->bmiColors[i].rgbBlue = (16*i);
pBitMapInfo->bmiColors[i].rgbGreen = (16*i);
pBitMapInfo->bmiColors[i].rgbRed = (16*i);
pBitMapInfo->bmiColors[i].rgbReserved = 0;
}
}
else
{
for(i = 0; i < 256; i++)
{
pBitMapInfo->bmiColors[i].rgbBlue = i;
pBitMapInfo->bmiColors[i].rgbGreen = i;
pBitMapInfo->bmiColors[i].rgbRed = i;
pBitMapInfo->bmiColors[i].rgbReserved = 0;
}
}
}
else
{
for(i=0; i<256 && i<colorset.GetSize(); i++)
{
//! 因为读进来的r和b是反的，所以要再反一次。
OgdcColor color = colorset.GetAt(i);
pBitMapInfo->bmiColors[i].rgbRed = GetBValue(color);
pBitMapInfo->bmiColors[i].rgbGreen = GetGValue(color);
pBitMapInfo->bmiColors[i].rgbBlue = GetRValue(color);
pBitMapInfo->bmiColors[i].rgbReserved = 0;
}
}
}
else if(pDatasetR->GetType() == OgdcDataset::Grid)
{
pBitMapInfo->bmiHeader.biBitCount = 24;
if(pDatasetR->m_colorTable.m_Colorset.GetSize() <= 0)
{
pDatasetR->m_colorTable.CreateDefault();
}
}
}
else
{
OgdcArray<OgdcInt> aryBand;
aryBand.Add(0);
aryBand.Add(1);
aryBand.Add(pDatasetR->GetBandCount() > 2 ? 2:1);
ImgColorSpace nColorSpace = ICS_RGB;
pDatasetR->SetBandCombineMode(aryBand, nColorSpace);
pBitMapInfo->bmiHeader.biBitCount = 24;
}
pBitMapInfo->bmiHeader.biPlanes = 1;
pBitMapInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pBitMapInfo->bmiHeader.biCompression = BI_RGB;
pBitMapInfo->bmiHeader.biSizeImage = 0L;
pBitMapInfo->bmiHeader.biXPelsPerMeter = 0L;
pBitMapInfo->bmiHeader.biYPelsPerMeter = 0L;
pBitMapInfo->bmiHeader.biClrUsed = 0L;
pBitMapInfo->bmiHeader.biClrImportant = 0L;
CRect rcBlock;
CRgn *pClipRgn = NULL;
OgdcElemRegion *pDTRasterClipRegion = pDatasetR->m_pClipRgn;
if(pDTRasterClipRegion != NULL && !pDTRasterClipRegion->m_rcBounds.IsEmpty())
{
OgdcPoint2D *pPoint2Ds = pDTRasterClipRegion->m_points.GetData();
CPoint *pClipPoints = NULL;
if(GeoToDevice(pPoint2Ds, pDTRasterClipRegion->m_points.GetSize(), pClipPoints))
{
int nSubCount = pDTRasterClipRegion->m_polyCounts.GetSize();
int *lpPolyCount = pDTRasterClipRegion->m_polyCounts.GetData();
pClipRgn = new CRgn;
if(pClipRgn != NULL)
{
pClipRgn->CreatePolyPolygonRgn(pClipPoints, lpPolyCount, nSubCount, ALTERNATE);
pDC->SelectClipRgn(pClipRgn, RGN_AND);
}
delete[] pClipPoints;
pClipPoints = NULL;
}
}
OgdcSize szBMP(OGDCROUND(rcDraw.Width()/m_dCoordRatio), OGDCROUND(rcDraw.Height()/m_dCoordRatio));
OgdcRasterBlock* pImgBlock = pDatasetR->GetViewBlock(rcDraw, szBMP.cx, szBMP.cy);
if(pImgBlock != NULL)
{
DrawRasterBlock(pDC, pImgBlock, pDatasetR, pBitMapInfo);
delete pImgBlock;
pImgBlock = NULL;
}
pDatasetR->ReleaseAllBlocks();
if(lp != NULL)
{
delete[] lp;
lp = NULL;
}
if(pClipRgn != NULL)
{
pDC->SelectClipRgn(NULL, RGN_COPY);
delete pClipRgn;
pClipRgn = NULL;
}
return TRUE;
}
