C++ windows位图绘制文本
问题描述:
如何在图像上绘制文本(使用设置字体和大小)并将其保存为JPEG?C++ windows位图绘制文本
例如
CBitmap bitmap;
bitmap.CreateBitmap(width, height, 1, 32, rgbData);
这里我想提请位图一些文字:
CImage image;
image.Attach(bitmap);
image.Save(_T("C:\\test.bmp"), Gdiplus::ImageFormatJPEG);
答
CBitmap bitmap;
CBitmap *pOldBmp;
CDC MemDC;
CDC *pDC = GetDC();
MemDC.CreateCompatibleDC(pDC);
bitmap.CreateCompatibleBitmap(pDC, width, height);
pOldBmp = MemDC.SelectObject(&MyBmp);
CBrush brush;
brush.CreateSolidBrush(RGB(255,0,0));
CRect rect;
rect.SetRect (0,0,40,40);
MemDC.SelectObject(&brush);
MemDC.DrawText("Hello",6, &rect, DT_CENTER);
MemDC.SetTextColor(RGB(0,0,255));
GetDC()->BitBlt(0, 0, 50, 50, &MemDC, 0, 0, SRCCOPY);
//When done, than:
MemDC.SelectObject(pOldBmp);
ReleaseDC(&MemDC);
ReleaseDC(pDC);
bitmap.Save(_T("C:\\test.bmp"), Gdiplus::ImageFormatJPEG);
试试这个代码片段
感谢,并在那里我可以设置字体和大小? – 2010-02-22 10:48:12
lav好的,我发现,非常感谢! – 2010-02-22 10:55:54
当我画亚美尼亚文 2010-02-22 11:45:26