namespace System.Drawing
{
- [ComVisible(false)]
+#if !NET_2_0
+ [ComVisible(false)]
+#endif
public sealed class Graphics : MarshalByRefObject, IDisposable
+#if NET_2_0
+ , IDeviceContext
+#endif
{
internal IntPtr nativeObject = IntPtr.Zero;
private bool disposed = false;
private static float defDpiX = 0;
private static float defDpiY = 0;
+#if NET_2_0
+ private IntPtr deviceContextHdc;
+#endif
+#if !NET_2_0
[ComVisible(false)]
+#endif
public delegate bool EnumerateMetafileProc (EmfPlusRecordType recordType,
int flags,
int dataSize,
IntPtr data,
PlayRecordCallback callbackData);
+#if !NET_2_0
[ComVisible (false)]
+#endif
public delegate bool DrawImageAbort (IntPtr callbackData);
- private Graphics (IntPtr nativeGraphics)
+ internal Graphics (IntPtr nativeGraphics)
{
nativeObject = nativeGraphics;
}
Bitmap bmp = new Bitmap (1, 1);
Graphics g = Graphics.FromImage (bmp);
defDpiX = g.DpiX;
+ defDpiY = g.DpiY;
}
return defDpiX;
}
if (defDpiY == 0) {
Bitmap bmp = new Bitmap (1, 1);
Graphics g = Graphics.FromImage (bmp);
+ defDpiX = g.DpiX;
defDpiY = g.DpiY;
}
return defDpiY;
nativeObject = value;
}
}
-
+
[MonoTODO]
public void AddMetafileComment (byte [] data)
{
throw new NotImplementedException ();
}
-
public GraphicsContainer BeginContainer ()
{
- int state;
+ uint state;
Status status;
status = GDIPlus.GdipBeginContainer2 (nativeObject, out state);
GDIPlus.CheckStatus (status);
return new GraphicsContainer(state);
}
-
+
+ [MonoTODO ("rectangles and unit aren't supported in libgdiplus")]
public GraphicsContainer BeginContainer (Rectangle dstrect, Rectangle srcrect, GraphicsUnit unit)
{
- int state;
+ uint state;
Status status;
- status = GDIPlus.GdipBeginContainerI (nativeObject, dstrect, srcrect, unit, out state);
+ status = GDIPlus.GdipBeginContainerI (nativeObject, ref dstrect, ref srcrect, unit, out state);
GDIPlus.CheckStatus (status);
return new GraphicsContainer (state);
}
-
+ [MonoTODO ("rectangles and unit aren't supported in libgdiplus")]
public GraphicsContainer BeginContainer (RectangleF dstrect, RectangleF srcrect, GraphicsUnit unit)
{
- int state;
+ uint state;
Status status;
- status = GDIPlus.GdipBeginContainer (nativeObject, dstrect, srcrect, unit, out state);
+ status = GDIPlus.GdipBeginContainer (nativeObject, ref dstrect, ref srcrect, unit, out state);
GDIPlus.CheckStatus (status);
return new GraphicsContainer (state);
status = GDIPlus.GdipGraphicsClear (nativeObject, color.ToArgb ());
GDIPlus.CheckStatus (status);
}
+#if NET_2_0
+ public void CopyFromScreen (Point upperLeftSource, Point upperLeftDestination, Size blockRegionSize)
+ {
+ CopyFromScreen (upperLeftSource.X, upperLeftSource.Y, upperLeftDestination.X, upperLeftDestination.Y,
+ blockRegionSize, CopyPixelOperation.SourceCopy);
+ }
+
+ public void CopyFromScreen (Point upperLeftSource, Point upperLeftDestination, Size blockRegionSize, CopyPixelOperation copyPixelOperation)
+ {
+ CopyFromScreen (upperLeftSource.X, upperLeftSource.Y, upperLeftDestination.X, upperLeftDestination.Y,
+ blockRegionSize, copyPixelOperation);
+ }\r
+
+ public void CopyFromScreen (int sourceX, int sourceY, int destinationX, int destinationY, Size blockRegionSize)
+ {
+ CopyFromScreen (sourceX, sourceY, destinationX, destinationY, blockRegionSize,
+ CopyPixelOperation.SourceCopy);
+ }
+
+ public void CopyFromScreen (int sourceX, int sourceY, int destinationX, int destinationY, Size blockRegionSize, CopyPixelOperation copyPixelOperation)\r
+ {
+ IntPtr window;
+
+ if (!Enum.IsDefined (typeof (CopyPixelOperation), copyPixelOperation))
+ throw new InvalidEnumArgumentException (string.Format("Enum argument value '{0}' is not valid for CopyPixelOperation", copyPixelOperation));
+
+ if (GDIPlus.UseCocoaDrawable || GDIPlus.UseQuartzDrawable) {
+ throw new NotImplementedException ();
+ }
+
+ if (GDIPlus.UseX11Drawable) { // X11 implementation
+ IntPtr image, defvisual, vPtr;
+ int AllPlanes = ~0, nitems = 0, pixel;
+
+ if (copyPixelOperation != CopyPixelOperation.SourceCopy)
+ throw new NotImplementedException ("Operation not implemented under X11");
+
+ if (GDIPlus.Display == IntPtr.Zero) {
+ GDIPlus.Display = GDIPlus.XOpenDisplay (IntPtr.Zero);
+ }
+
+ window = GDIPlus.XRootWindow (GDIPlus.Display, 0);
+ defvisual = GDIPlus.XDefaultVisual (GDIPlus.Display, 0);
+ XVisualInfo visual = new XVisualInfo ();
+
+ /* Get XVisualInfo for this visual */
+ visual.visualid = GDIPlus.XVisualIDFromVisual(defvisual);
+ vPtr = GDIPlus.XGetVisualInfo (GDIPlus.Display, 0x1 /* VisualIDMask */, ref visual, ref nitems);
+ visual = (XVisualInfo) Marshal.PtrToStructure(vPtr, typeof (XVisualInfo));
+
+ /* Sorry I do not have access to a computer with > deepth. Fell free to add more pixel formats */
+ image = GDIPlus.XGetImage (GDIPlus.Display, window, sourceX, sourceY, blockRegionSize.Width,
+ blockRegionSize.Height, AllPlanes, 2 /* ZPixmap*/);
+
+ Bitmap bmp = new Bitmap (blockRegionSize.Width, blockRegionSize.Height);
+ int red, blue, green;
+ for (int y = sourceY; y < sourceY + blockRegionSize.Height; y++) {
+ for (int x = sourceX; x < sourceX + blockRegionSize.Width; x++) {
+ pixel = GDIPlus.XGetPixel (image, x, y);
+
+ switch (visual.depth) {
+ case 16: /* 16bbp pixel transformation */
+ red = (int) ((pixel & visual.red_mask ) >> 8) & 0xff;
+ green = (int) (((pixel & visual.green_mask ) >> 3 )) & 0xff;
+ blue = (int) ((pixel & visual.blue_mask ) << 3 ) & 0xff;
+ break;
+ case 24:
+ case 32:
+ red = (int) ((pixel & visual.red_mask ) >> 16) & 0xff;
+ green = (int) (((pixel & visual.green_mask ) >> 8 )) & 0xff;
+ blue = (int) ((pixel & visual.blue_mask )) & 0xff;
+ break;
+ default:
+ throw new NotImplementedException ("Deepth not supported right now");
+ }
+
+ bmp.SetPixel (x, y, Color.FromArgb (255, red, green, blue));
+ }
+ }
+
+ DrawImage (bmp, 0, 0);
+ bmp.Dispose ();
+ GDIPlus.XDestroyImage (image);
+ GDIPlus.XFree (vPtr);
+ return;
+ }
+
+ // Win32 implementation
+ window = GDIPlus.GetDesktopWindow ();
+ IntPtr srcDC = GDIPlus.GetDC (window);
+ IntPtr dstDC = GetHdc ();
+ GDIPlus.BitBlt (dstDC, destinationX, destinationY, blockRegionSize.Width,
+ blockRegionSize.Height, srcDC, sourceX, sourceY, (int) copyPixelOperation);
+
+ GDIPlus.ReleaseDC (srcDC);
+ ReleaseHdc (dstDC);
+ }\r
+#endif
public void Dispose ()
{
int length = points.Length;
Status status;
- if (length < 3)
+ if (length < 4)
return;
- for (int i = 0; i < length; i += 3) {
+ for (int i = 0; i < length - 1; i += 3) {
Point p1 = points [i];
Point p2 = points [i + 1];
Point p3 = points [i + 2];
int length = points.Length;
Status status;
- if (length < 3)
+ if (length < 4)
return;
- for (int i = 0; i < length; i += 3) {
+ for (int i = 0; i < length - 1; i += 3) {
PointF p1 = points [i];
PointF p2 = points [i + 1];
PointF p3 = points [i + 2];
GDIPlus.CheckStatus (status);
}
-
public void DrawCurve (Pen pen, PointF [] points, int offset, int numberOfSegments)
{
if (pen == null)
GDIPlus.CheckStatus (status);
}
-
public void DrawCurve (Pen pen, PointF [] points, int offset, int numberOfSegments, float tension)
{
if (pen == null)
public void DrawIcon (Icon icon, Rectangle targetRect)
{
- Image img = icon.ToBitmap ();
- DrawImage (img, targetRect);
+ using (Image img = icon.ToBitmap ()) {
+ DrawImage (img, targetRect);
+ }
}
public void DrawIcon (Icon icon, int x, int y)
{
- Image img = icon.ToBitmap ();
- DrawImage (img, x, y);
+ using (Image img = icon.ToBitmap ()) {
+ DrawImage (img, x, y);
+ }
}
public void DrawIconUnstretched (Icon icon, Rectangle targetRect)
{
- Image img = icon.ToBitmap ();
- DrawImageUnscaled (img, targetRect);
+ using (Image img = icon.ToBitmap ()) {
+ DrawImageUnscaled (img, targetRect);
+ }
}
public void DrawImage (Image image, RectangleF rect)
g.Dispose ();
}
+#if NET_2_0
+ public void DrawImageUnscaledAndClipped (Image image, Rectangle rect)
+ {
+ int height, width;
+ width = (image.Width > rect.Width) ? rect.Width : image.Width;
+ height = (image.Height > rect.Height) ? rect.Height : image.Height;
+
+ DrawImageUnscaled (image, rect.X, rect.Y, width, height);
+ }\r
+#endif
+
public void DrawLine (Pen pen, PointF pt1, PointF pt2)
{
if (pen == null)
public void EndContainer (GraphicsContainer container)
{
+#if NET_2_0
if (container == null)
throw new ArgumentNullException ("container");
+#endif
Status status = GDIPlus.GdipEndContainer(nativeObject, container.NativeObject);
GDIPlus.CheckStatus (status);
}
{
if (brush == null)
throw new ArgumentNullException ("brush");
-
+ if (rects == null)
+ throw new ArgumentNullException ("rects");
+
Status status = GDIPlus.GdipFillRectanglesI (nativeObject, brush.nativeObject, rects, rects.Length);
GDIPlus.CheckStatus (status);
}
{
if (brush == null)
throw new ArgumentNullException ("brush");
-
+ if (rects == null)
+ throw new ArgumentNullException ("rects");
+
Status status = GDIPlus.GdipFillRectangles (nativeObject, brush.nativeObject, rects, rects.Length);
GDIPlus.CheckStatus (status);
}
public void Flush (FlushIntention intention)
{
+ if (nativeObject == IntPtr.Zero) {
+ return;
+ }
+
Status status = GDIPlus.GdipFlush (nativeObject, intention);
GDIPlus.CheckStatus (status);
if (GDIPlus.UseQuartzDrawable || GDIPlus.UseCocoaDrawable)
throw new NotImplementedException ();
}
+#if !NET_2_0
[EditorBrowsable (EditorBrowsableState.Advanced)]
+#endif
public IntPtr GetHdc ()
{
IntPtr hdc;
GDIPlus.CheckStatus (GDIPlus.GdipGetDC (this.nativeObject, out hdc));
+#if NET_2_0
+ deviceContextHdc = hdc;
+#endif
return hdc;
}
{
Status status = GDIPlus.GdipReleaseDC (nativeObject, hdc);
GDIPlus.CheckStatus (status);
+#if NET_2_0
+ if (hdc == deviceContextHdc)
+ deviceContextHdc = IntPtr.Zero;
+#endif
}
+#if NET_2_0
+ public void ReleaseHdc ()\r
+ {\r
+ if (deviceContextHdc == IntPtr.Zero)
+ throw new ArgumentException ("Invalid Handle");
+
+ ReleaseHdc (deviceContextHdc);
+ }
+#endif
+
[MonoTODO]
+#if NET_2_0
+ [EditorBrowsable (EditorBrowsableState.Never)]
+#else
[EditorBrowsable (EditorBrowsableState.Advanced)]
+#endif
[SecurityPermission (SecurityAction.LinkDemand, UnmanagedCode = true)]
public void ReleaseHdcInternal (IntPtr hdc)
{
}
}
+ [MonoTODO ("not supported by libgdiplus")]
public PixelOffsetMode PixelOffsetMode {
get {
PixelOffsetMode pixelOffset = PixelOffsetMode.Invalid;
}
}
+ [MonoTODO ("not supported by libgdiplus")]
public int TextContrast {
get {
int contrast;
return rect;
}
}
+
+#if NET_2_0
+ [MonoTODO]
+ [EditorBrowsable (EditorBrowsableState.Never)]
+ public object GetContextInfo ()
+ {
+ throw new NotImplementedException ();
+ }
+#endif
}
}
-
projects / mono.git / blobdiff