private static void RenderGrayscale(
GrayscaleImageGraphic image,
RectangleF srcViewableRectangle,
Rectangle dstViewableRectangle,
IntPtr pDstPixelData,
int dstWidth,
int dstBytesPerPixel)
{
fixed(byte *pSrcPixelData = image.PixelData.Raw)
{
if (image.InterpolationMode == InterpolationMode.Bilinear)
{
//TODO: if we actually supported >8 bit displays, the LUT part would work ...
var outputLut = image.GetOutputLut(0, byte.MaxValue);
int[] finalLutBuffer = ConstructFinalLut(outputLut, image.ColorMap, image.Invert);
fixed(int *pFinalLutData = finalLutBuffer)
{
ImageInterpolatorBilinear.LutData lutData;
lutData.Data = pFinalLutData;
lutData.FirstMappedPixelData = outputLut.MinInputValue;
lutData.Length = finalLutBuffer.Length;
ImageInterpolatorBilinear.Interpolate(
srcViewableRectangle,
pSrcPixelData,
image.Columns,
image.Rows,
image.BytesPerPixel,
image.BitsStored,
dstViewableRectangle,
(byte *)pDstPixelData,
dstWidth,
dstBytesPerPixel,
IsRotated(image),
&lutData, //ok because it's a local variable in an unsafe method, therefore it's already fixed.
false,
false,
image.IsSigned);
}
}
}
}
private static void RenderColor(
ColorImageGraphic image,
RectangleF srcViewableRectangle,
Rectangle dstViewableRectangle,
IntPtr pDstPixelData,
int dstWidth,
int dstBytesPerPixel)
{
fixed(byte *pSrcPixelData = image.PixelData.Raw)
{
if (image.InterpolationMode == InterpolationMode.Bilinear)
{
int srcBytesPerPixel = 4;
if (image.VoiLutsEnabled)
{
int[] finalLutBuffer = ConstructFinalLut(image.OutputLut, image.Invert);
fixed(int *pFinalLutData = finalLutBuffer)
{
ImageInterpolatorBilinear.LutData lutData;
lutData.Data = pFinalLutData;
lutData.FirstMappedPixelData = image.OutputLut.MinInputValue;
lutData.Length = finalLutBuffer.Length;
ImageInterpolatorBilinear.Interpolate(
srcViewableRectangle,
pSrcPixelData,
image.Columns,
image.Rows,
srcBytesPerPixel,
32,
dstViewableRectangle,
(byte *)pDstPixelData,
dstWidth,
dstBytesPerPixel,
IsRotated(image),
&lutData, //ok because it's a local variable in an unsafe method, therefore it's already fixed.
true,
false,
false);
}
}
else
{
ImageInterpolatorBilinear.Interpolate(
srcViewableRectangle,
pSrcPixelData,
image.Columns,
image.Rows,
srcBytesPerPixel,
32,
dstViewableRectangle,
(byte *)pDstPixelData,
dstWidth,
dstBytesPerPixel,
IsRotated(image),
null,
true,
false,
false);
}
}
}
}