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Refactored the zoomForm to a zoomControl, with this we can prevent mouse events to happen. Also the current state seems to work very well, even with a larger size.

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2306 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2012-11-23 22:17:47 +00:00
commit 67db97b13f
5 changed files with 144 additions and 58 deletions
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35
GreenshotPlugin/UnmanagedHelpers/GDI32.cs
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@ -44,6 +44,8 @@ namespace GreenshotPlugin.UnmanagedHelpers {
[DllImport("gdi32", SetLastError=true)]
public static extern bool BitBlt(IntPtr hObject,int nXDest,int nYDest, int nWidth,int nHeight,IntPtr hObjectSource, int nXSrc,int nYSrc, CopyPixelOperation dwRop);
[DllImport("gdi32", SetLastError=true)]
public static extern bool StretchBlt(IntPtr hdcDest, int nXOriginDest, int nYOriginDest, int nWidthDest, int nHeightDest, IntPtr hdcSrc, int nXOriginSrc, int nYOriginSrc, int nWidthSrc, int nHeightSrc, CopyPixelOperation dwRop );
[DllImport("gdi32", SetLastError=true)]
public static extern IntPtr CreateCompatibleDC(IntPtr hDC);
[DllImport("gdi32", SetLastError=true)]
public static extern bool DeleteDC(IntPtr hDC);
@ -63,18 +65,43 @@ namespace GreenshotPlugin.UnmanagedHelpers {
public static extern IntPtr CreateRoundRectRgn(int x1, int y1, int x2, int y2, int cx, int cy);
/// <summary>
///
/// Doesn't work?
/// </summary>
/// <param name="target"></param>
/// <param name="source"></param>
public static void BitBlt(this Graphics target, Bitmap source, Point location) {
public static void StretchBlt(this Graphics target, Bitmap sourceBitmap, Rectangle source, Rectangle destination) {
IntPtr hDCSrc = IntPtr.Zero;
IntPtr hDCDest = IntPtr.Zero;
try {
hDCDest = target.GetHdc();
hDCSrc = CreateCompatibleDC(hDCDest);
SelectObject(hDCSrc, source.GetHbitmap());
GDI32.BitBlt(hDCDest, location.X, location.Y, source.Width, source.Height, hDCSrc, 0, 0, CopyPixelOperation.SourceCopy);
IntPtr pOrig = SelectObject(hDCSrc, sourceBitmap.GetHbitmap());
StretchBlt(hDCDest, destination.X, destination.Y, destination.Width, destination.Height, hDCSrc, source.Left, source.Top, source.Width, source.Height, CopyPixelOperation.SourceCopy);
IntPtr pNew = SelectObject(hDCDest, pOrig);
} finally {
if (hDCSrc != IntPtr.Zero) {
DeleteDC(hDCSrc);
}
if (hDCDest != IntPtr.Zero) {
target.ReleaseHdc(hDCDest);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="target"></param>
/// <param name="source"></param>
public static void BitBlt(this Graphics target, Bitmap sourceBitmap, Rectangle source, Point destination) {
IntPtr hDCSrc = IntPtr.Zero;
IntPtr hDCDest = IntPtr.Zero;
try {
hDCDest = target.GetHdc();
hDCSrc = CreateCompatibleDC(hDCDest);
IntPtr pOrig = SelectObject(hDCSrc, sourceBitmap.GetHbitmap());
BitBlt(hDCDest, destination.X, destination.Y, source.Width, source.Height, hDCSrc, source.Left, source.Top, CopyPixelOperation.SourceCopy);
IntPtr pNew = SelectObject(hDCDest, pOrig);
} finally {
if (hDCSrc != IntPtr.Zero) {
DeleteDC(hDCSrc);