public void DrawImage(Image img,
PointF[] destPoints,
int srcX, int srcY, int srcW, int srcH,
GraphicsUnitType unit, ImageAttributes ia)
{
Rectangle srcRect = new Rectangle(srcX, srcY, srcW, srcH);
_g.DrawImage(img, destPoints, srcRect, (GraphicsUnit)unit, ia);
}
public void DrawImage(Image img,
int dstX, int dstY, int dstW, int dstH,
int srcX, int srcY, int srcW, int srcH,
GraphicsUnitType unit, ImageAttributes ia)
{
Rectangle destRect = new Rectangle(dstX, dstY, dstW, dstH);
_g.DrawImage(img,
destRect,
srcX, srcY, srcW, srcH,
(GraphicsUnit)unit, ia);
}
/// <summary>
/// Scales sizes to device units
/// </summary>
/// <param name="size"></param>
/// <param name="unit"></param>
/// <param name="g"></param>
/// <returns></returns>
public static float ScaleSizeToDeviceUnits(float size, GraphicsUnitType unit, IGraphics g)
{
if (unit == g.PageUnit)
{
return(size);
}
switch (unit)
{
case GraphicsUnitType.Point:
size *= g.DpiY / 72f;
break;
case GraphicsUnitType.Display:
//Heuristic for printer or display needed!
size *= g.DpiY / (g.DpiY < 100 ? 72f : 100f);
break;
case GraphicsUnitType.Document:
size *= g.DpiY / 300;
break;
case GraphicsUnitType.Inch:
size *= g.DpiY;
break;
case GraphicsUnitType.Millimeter:
size *= g.DpiY / 25.4f;
break;
case GraphicsUnitType.World:
size *= g.DpiY / g.PageScale;
break;
/*
* case GraphicsUnitType.Pixel:
* default:
* //do nothing
* break;
*/
}
return((float)Math.Round(size, MidpointRounding.AwayFromZero));
}
/// <summary>
/// Scales sizes to device units
/// </summary>
/// <param name="size"></param>
/// <param name="unit"></param>
/// <param name="g"></param>
/// <returns></returns>
public static float ScaleSizeToDeviceUnits(float size, GraphicsUnitType unit, IGraphics g)
{
if (unit == g.PageUnit)
return size;
switch (unit)
{
case GraphicsUnitType.Point:
size *= g.DpiY / 72f;
break;
case GraphicsUnitType.Display:
//Heuristic for printer or display needed!
size *= g.DpiY / (g.DpiY < 100 ? 72f : 100f) ;
break;
case GraphicsUnitType.Document:
size *= g.DpiY / 300;
break;
case GraphicsUnitType.Inch:
size *= g.DpiY;
break;
case GraphicsUnitType.Millimeter:
size *= g.DpiY / 25.4f;
break;
case GraphicsUnitType.World:
size *= g.DpiY / g.PageScale;
break;
/*
case GraphicsUnitType.Pixel:
default:
//do nothing
break;
*/
}
return (float) Math.Round(size, MidpointRounding.AwayFromZero);
}
public void DrawImage(Image img,
PointF[] destPoints,
int srcX, int srcY, int srcW, int srcH,
GraphicsUnitType unit, ImageAttributes ia)
{
Rectangle srcRect = new Rectangle(srcX, srcY, srcW, srcH);
_g.DrawImage(img, destPoints, srcRect, (GraphicsUnit)unit, ia);
}
public void DrawImage(Image img,
int dstX, int dstY, int dstW, int dstH,
int srcX, int srcY, int srcW, int srcH,
GraphicsUnitType unit, ImageAttributes ia)
{
Rectangle destRect = new Rectangle(dstX, dstY, dstW, dstH);
_g.DrawImage(img,
destRect,
srcX, srcY, srcW, srcH,
(GraphicsUnit)unit, ia);
}
