private static Bitmap DrawCompleteImageToBitmap(IPresentationImage image, float scale, float dpi)
{
ImageSpatialTransform transform = (ImageSpatialTransform)((ISpatialTransformProvider)image).SpatialTransform;
object restoreMemento = transform.CreateMemento();
try
{
ImageGraphic imageGraphic = ((IImageGraphicProvider)image).ImageGraphic;
Rectangle imageRectangle = new Rectangle(0, 0, imageGraphic.Columns, imageGraphic.Rows);
transform.Initialize();
transform.ScaleToFit = false;
transform.Scale = scale;
RectangleF displayRectangle = imageGraphic.SpatialTransform.ConvertToDestination(imageRectangle);
int width = (int)Math.Round(displayRectangle.Width);
int height = (int)Math.Round(displayRectangle.Height);
transform.ScaleToFit = true;
return(ImageDrawToBitmap(image, width, height, dpi));
}
finally
{
transform.SetMemento(restoreMemento);
}
}
public static Bitmap CreatePresentationImageIcon(IPresentationImage image, double tileRatio)
{
ISpatialTransformProvider provider = image as ISpatialTransformProvider;
if (provider == null)
{
throw new Exception(SR.ConvertTransformProviderFailed);
}
ImageSpatialTransform spatialTransform = provider.SpatialTransform as ImageSpatialTransform;
object memento = spatialTransform.CreateMemento();
Size size = CalculateSize(image.ClientRectangle.Size, tileRatio);
Bitmap bitmap = new Bitmap(image.DrawToBitmap(size.Width, size.Height), _iconWidth, Convert.ToInt32((float)(_iconWidth * Convert.ToSingle(tileRatio))));
spatialTransform.SetMemento(memento);
return(bitmap);
}
private static Bitmap DrawWysiwygImageToBitmap(IPresentationImage image, Rectangle displayRectangle, float scale, float dpi)
{
ImageSpatialTransform transform = (ImageSpatialTransform)((ISpatialTransformProvider)image).SpatialTransform;
object restoreMemento = transform.CreateMemento();
try
{
int width = (int)(displayRectangle.Width * scale);
int height = (int)(displayRectangle.Height * scale);
transform.Scale *= scale;
return(ImageDrawToBitmap(image, width, height, dpi));
}
finally
{
transform.SetMemento(restoreMemento);
}
}
public static Bitmap CreatePresentationImagePrintData(IPresentationImage image, RectangleF destRange, double tileRatio, float scale, bool withAnnotation)
{
ISpatialTransformProvider provider = image as ISpatialTransformProvider;
if (provider == null)
{
Platform.Log(LogLevel.Error, "RectangleF 转换失败");
throw new Exception("转换失败");
}
ImageSpatialTransform spatialTransform = provider.SpatialTransform as ImageSpatialTransform;
object memento = spatialTransform.CreateMemento();
float num = scale / spatialTransform.Scale;
spatialTransform.MoveTo(destRange, scale);
Size destSize = new Size(Convert.ToInt32((float)(destRange.Width * num)), Convert.ToInt32((float)(destRange.Height * num)));
Bitmap bitmap = DrawToFilmSizeBitmap(destSize, image, tileRatio, withAnnotation);
spatialTransform.SetMemento(memento);
return(bitmap);
}
public static Bitmap CreatePresentationImageIcon(IPresentationImage image, RectangleF destRange, double tileRatio)
{
if (destRange == RectangleF.Empty)
{
return(null);
}
ISpatialTransformProvider provider = image as ISpatialTransformProvider;
if (provider == null)
{
throw new Exception(SR.ConvertTransformProviderFailed);
}
ImageSpatialTransform spatialTransform = provider.SpatialTransform as ImageSpatialTransform;
object memento = spatialTransform.CreateMemento();
spatialTransform.MoveTo(destRange);
Size destSize = new Size(Convert.ToInt32(destRange.Width), Convert.ToInt32(destRange.Height));
Bitmap original = DrawToFilmSizeBitmap(destSize, image, tileRatio, true);
Bitmap bitmap2 = new Bitmap(original, _iconWidth, (int)(_iconWidth * tileRatio));
original.Dispose();
spatialTransform.SetMemento(memento);
return(bitmap2);
}
public static Bitmap CreatePresentationImagePrintData(IPresentationImage image, double tileRatio, bool withAnnotation)
{
Size size;
ISpatialTransformProvider provider = image as ISpatialTransformProvider;
if (provider == null)
{
Platform.Log(LogLevel.Error, " 转换失败");
throw new Exception("转换失败");
}
ImageSpatialTransform spatialTransform = provider.SpatialTransform as ImageSpatialTransform;
object memento = spatialTransform.CreateMemento();
if (!spatialTransform.ScaleToFit)
{
//Platform.Log(LogLevel.Error, "!spatialTransform.ScaleToFit");
float num = 1f / spatialTransform.Scale;
int width = Convert.ToInt32((float)(image.ClientRectangle.Width * num));
int height = Convert.ToInt32((float)(image.ClientRectangle.Height * num));
//if ((width > spatialTransform.SourceWidth) || (height > spatialTransform.SourceHeight))
//{
// float num4 = ((float)image.ClientRectangle.Width) / ((float)image.ClientRectangle.Height);
// float num5 = ((float)spatialTransform.SourceWidth) / ((float)spatialTransform.SourceHeight);
// if (num4 > num5)
// {
// size = new Size(spatialTransform.SourceWidth, Convert.ToInt32((float)(((float)spatialTransform.SourceWidth) / num4)));
// spatialTransform.Scale = (spatialTransform.Scale * spatialTransform.SourceWidth) / ((float)image.ClientRectangle.Width);
// }
// else
// {
// size = new Size(Convert.ToInt32((float)(spatialTransform.SourceHeight * num4)), spatialTransform.SourceHeight);
// spatialTransform.Scale = (spatialTransform.Scale * spatialTransform.SourceHeight) / ((float)image.ClientRectangle.Height);
// }
//}
//else
{
if (width >= 3000 || height >= 3000)
{
width = (int)(width * 0.3);
height = (int)(height * 0.3);
}
size = new Size(width, height);
spatialTransform.Scale = (spatialTransform.Scale * width) / ((float)image.ClientRectangle.Width);
}
}
else
{
if (spatialTransform.SourceWidth > 3000 || spatialTransform.SourceHeight > 3000)
{
size = new Size((int)(spatialTransform.SourceWidth * 0.3), (int)(spatialTransform.SourceHeight * 0.3));
}
else
{
size = new Size(spatialTransform.SourceWidth, spatialTransform.SourceHeight);
}
}
Size size2 = CalculateSize(size, tileRatio);
if (!withAnnotation)
{
HideAnnotation(image);
}
Bitmap bitmap = image.DrawToBitmap(size2.Width, size2.Height);
if (!withAnnotation)
{
ShowAnnotation(image);
}
spatialTransform.SetMemento(memento);
return(bitmap);
}