public override void FillRect(Geometry.Rectangle rect, Geometry.Color color)
{
CheckInFrame("FillRect");
mGraphics.FillRectangle(new SolidBrush(Interop.Convert(color)),
Interop.Convert(rect));
}
public override void Clear(Geometry.Color color, Geometry.Rectangle destRect)
{
CheckInFrame("Clear");
mGraphics.FillRectangle(
new SolidBrush(Interop.Convert(color)), Interop.Convert(destRect));
}
public override void DrawRect(Geometry.Rectangle rect, Geometry.Color color)
{
CheckInFrame("DrawRect");
mGraphics.DrawRectangle(new Pen(Interop.Convert(color)),
Interop.Convert(rect));
}
public override void SetSourceSurface(SurfaceImpl surf, Geometry.Rectangle srcRect)
{
mImage.Dispose();
mImage = new Bitmap(srcRect.Width, srcRect.Height);
Graphics g = Graphics.FromImage(mImage);
g.DrawImage((surf as Drawing_Surface).mImage,
new Rectangle(Point.Empty, Interop.Convert(srcRect.Size)),
Interop.Convert(srcRect), GraphicsUnit.Pixel);
g.Dispose();
System.Diagnostics.Debug.Assert(mImage != null);
}
public override PixelBuffer ReadPixels(PixelFormat format, Geometry.Rectangle rect)
{
BitmapData data = mImage.LockBits(Interop.Convert(rect), ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb);
if (format == PixelFormat.Any)
{
format = PixelFormat.BGRA8888;
}
PixelBuffer buffer = new PixelBuffer(format, rect.Size);
byte[] bytes = new byte[4 * rect.Width * rect.Height];
Marshal.Copy(data.Scan0, bytes, 0, bytes.Length);
mImage.UnlockBits(data);
buffer.SetData(bytes, PixelFormat.BGRA8888);
return(buffer);
}
public override void SetClipRect(Geometry.Rectangle newClipRect)
{
mGraphics.SetClip(Interop.Convert(newClipRect));
}
public override void FillRect(Geometry.Rectangle rect, Geometry.Gradient color)
{
CheckInFrame("FillRect");
FillRect(rect, color.AverageColor);
}
public override SurfaceImpl CarveSubSurface(Geometry.Rectangle srcRect)
{
return(new Drawing_Surface(mImage, Interop.Convert(srcRect)));
}
private void Draw(SurfaceState s, SurfaceDrawInstance inst)
{
mDisplay.CheckInFrame("Surface.Draw");
System.Diagnostics.Debug.Assert(mImage != null);
Geometry.SizeF displaySize = s.GetDisplaySize(SurfaceSize);
Geometry.PointF rotationCenter = s.GetRotationCenter(displaySize);
Drawing_Display disp = Display.Impl as Drawing_Display;
Graphics g = disp.FrameGraphics;
GraphicsState state = g.Save();
Geometry.PointF translatePoint = Origin.CalcF(s.DisplayAlignment, displaySize);
if (displaySize.Width < 0)
{
translatePoint.X += displaySize.Width;
rotationCenter.X += displaySize.Width;
}
if (displaySize.Height < 0)
{
translatePoint.Y += displaySize.Height;
rotationCenter.Y += displaySize.Height;
}
if (s.RotationAngle != 0)
{
// translate to rotation point, rotate, and translate back.
// System.Drawing rotates Clockwise! So we must reverse the
// rotation angle.
g.TranslateTransform(-rotationCenter.X, -rotationCenter.Y, MatrixOrder.Append);
g.RotateTransform(-(float)s.RotationAngleDegrees, MatrixOrder.Append);
g.TranslateTransform(rotationCenter.X, rotationCenter.Y, MatrixOrder.Append);
}
g.TranslateTransform(inst.DestLocation.X - translatePoint.X,
inst.DestLocation.Y - translatePoint.Y, MatrixOrder.Append);
SetInterpolation(g);
Geometry.Rectangle srcRect = inst.GetSourceRect(SurfaceSize);
if (s.Color != Geometry.Color.White)
{
ImageAttributes imageAttributes = new ImageAttributes();
ColorMatrix colorMatrix = new ColorMatrix(new float[][] {
new float[] { s.Color.R / 255.0f, 0.0f, 0.0f, 0.0f, 0.0f },
new float[] { 0.0f, s.Color.G / 255.0f, 0.0f, 0.0f, 0.0f },
new float[] { 0.0f, 0.0f, s.Color.B / 255.0f, 0.0f, 0.0f },
new float[] { 0.0f, 0.0f, 0.0f, (float)s.Alpha, 0.0f },
new float[] { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f }
});
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
g.DrawImage(mImage, Interop.Convert(DestRect(0, 0, srcRect, s.ScaleWidth, s.ScaleHeight)),
srcRect.X,
srcRect.Y,
srcRect.Width,
srcRect.Height,
GraphicsUnit.Pixel,
imageAttributes);
}
else
{
g.DrawImage(mImage, Interop.Convert(DestRect(0, 0, srcRect, s.ScaleWidth, s.ScaleHeight)),
srcRect.X,
srcRect.Y,
srcRect.Width,
srcRect.Height,
GraphicsUnit.Pixel);
}
g.Restore(state);
}
protected Geometry.Rectangle DestRect(int dest_x, int dest_y, Geometry.Rectangle srcRect, double ScaleWidth, double ScaleHeight)
{
return(new Geometry.Rectangle(dest_x, dest_y,
(int)(srcRect.Width * ScaleWidth),
(int)(srcRect.Height * ScaleHeight)));
}