private Rectangle GetImageRectangle(float dpi)
{
var rect = Rectangle.ToRectangleF();
var mul = dpi / 72f;
var values = new[] { rect.X *mul, rect.Y *mul, rect.Width *mul, rect.Height *mul };
// BUG 0015690
for (int i = 0; i < values.Length; i++)
{
var v = SMath.Round(values[i]);
if (SMath.Abs(v - values[i]) < 0.01f)
{
values[i] = (float)v;
}
}
int x = (int)SMath.Floor(values[0]);
int y = (int)SMath.Floor(values[1]);
int width = (int)SMath.Ceiling(values[2]);
int height = (int)SMath.Ceiling(values[3]);
return(new Rectangle(x, y, width, height));
}
public void SetClip(Rectangle rect, CombineMode combineMode)
{
SetClip (rect.ToRectangleF (), combineMode);
}
public override void DrawImage(object backend, object img, Rectangle srcRect, Rectangle destRect, double alpha)
{
CGContext ctx = ((CGContextBackend)backend).Context;
NSImage image = (NSImage) img;
var rect = new RectangleF (0, 0, (float)destRect.Width, (float)destRect.Height);
ctx.SaveState ();
ctx.SetAlpha ((float)alpha);
ctx.TranslateCTM ((float)destRect.X, (float)destRect.Y + rect.Height);
ctx.ScaleCTM (1f, -1f);
ctx.DrawImage (rect, image.AsCGImage (RectangleF.Empty, null, null).WithImageInRect (srcRect.ToRectangleF ()));
ctx.RestoreState ();
}
public void DrawPie(Pen pen, Rectangle rect, float startAngle, float sweepAngle)
{
DrawPie(pen, rect.ToRectangleF(), startAngle, sweepAngle);
}
public void DrawImage(Image image, Rectangle rect)
{
DrawImage(image, rect.ToRectangleF());
}
public void DrawEllipse(Pen pen, Rectangle rect)
{
DrawEllipse(pen, rect.ToRectangleF());
}
public void DrawImage(object backend, object img, Rectangle srcRect, Rectangle destRect, double alpha)
{
CGContext ctx = ((CGContextBackend)backend).Context;
NSImage image = (NSImage) img;
ctx.SaveState ();
ctx.SetAlpha ((float)alpha);
ctx.DrawImage (destRect.ToRectangleF (), image.AsCGImage (RectangleF.Empty, null, null).WithImageInRect (srcRect.ToRectangleF ()));
ctx.RestoreState ();
}
public override void DrawImage(Image image, Rectangle destRect, int srcX, int srcY, int srcWidth, int srcHeight, GraphicsUnit srcUnit, ImageAttributes imageAttr)
{
if (srcUnit != GraphicsUnit.Pixel)
throw new NotImplementedException();
Bitmap bitmap = _imageAttributesCache.GetOrCreateBitmapFromImageAndAttributes(image, imageAttr);
DrawTexture(bitmap, texture =>
{
RectangleF dstRect = destRect.ToRectangleF();
RectangleF srcRect = new RectangleF(0, 0, texture.OriginalWidth, texture.OriginalHeight);
texture.Draw(dstRect, srcRect);
});
}
public override void FillRectangle(Brush brush, Rectangle rect)
{
FillRectangle(brush, rect.ToRectangleF());
}
