private void loadInfo(WicDecoder dec, WicProcessingContext ctx)
{
ContainerType = FileFormat.Unknown;
if (ctx.ContainerFormat == Consts.GUID_ContainerFormatJpeg)
{
ContainerType = FileFormat.Jpeg;
}
else if (ctx.ContainerFormat == Consts.GUID_ContainerFormatPng)
{
ContainerType = FileFormat.Png;
}
else if (ctx.ContainerFormat == Consts.GUID_ContainerFormatGif)
{
ContainerType = FileFormat.Gif;
}
else if (ctx.ContainerFormat == Consts.GUID_ContainerFormatBmp)
{
ContainerType = FileFormat.Bmp;
}
else if (ctx.ContainerFormat == Consts.GUID_ContainerFormatTiff)
{
ContainerType = FileFormat.Tiff;
}
Frames = new FrameInfo[ctx.ContainerFrameCount];
for (int i = 0; i < ctx.ContainerFrameCount; i++)
{
ctx.Settings.FrameIndex = i;
using (var frm = new WicFrameReader(dec, ctx))
using (var met = new WicMetadataReader(frm, basicOnly: true))
{
Frames[i] = new FrameInfo((int)ctx.Width, (int)ctx.Height, ctx.IsRotated90, ctx.HasAlpha);
}
}
}
private static ProcessImageResult processImage(WicDecoder dec, WicProcessingContext ctx, Stream ostm)
{
var frm = new WicFrameReader(ctx);
WicTransforms.AddMetadataReader(ctx);
ctx.FinalizeSettings();
WicTransforms.AddNativeScaler(ctx);
WicTransforms.AddExifRotator(ctx);
WicTransforms.AddConditionalCache(ctx);
WicTransforms.AddCropper(ctx);
WicTransforms.AddPixelFormatConverter(ctx);
WicTransforms.AddScaler(ctx);
WicTransforms.AddColorspaceConverter(ctx);
MagicTransforms.AddMatte(ctx);
MagicTransforms.AddPad(ctx);
WicTransforms.AddIndexedColorConverter(ctx);
var enc = new WicEncoder(ctx, ostm.AsIStream());
enc.WriteSource(ctx);
return(new ProcessImageResult {
Settings = ctx.UsedSettings, Stats = ctx.Stats
});
}
private static void processImage(WicDecoder dec, WicProcessingContext ctx, Stream ostm)
{
using (var frm = new WicFrameReader(dec, ctx))
using (var met = new WicMetadataReader(frm))
{
if (!ctx.Settings.Normalized)
{
ctx.Settings.Fixup((int)ctx.Width, (int)ctx.Height, ctx.IsRotated90);
}
if (EnablePlanarPipeline && ctx.SupportsPlanar)
{
MagicPlanarImageProcessor.ProcessImage(met, ctx, ostm);
return;
}
using (var qsc = new WicNativeScaler(met))
using (var rot = new WicExifRotator(qsc))
using (var cac = new WicConditionalCache(rot))
using (var crp = new WicCropper(cac))
using (var pix = new WicPixelFormatConverter(crp))
using (var cmy = new WicCmykConverter(pix))
using (var res = new WicScaler(cmy, true))
using (var lll = new WicConvertToCustomPixelFormat(res))
using (var mmm = new WicHighQualityScaler(lll))
using (var mat = new WicMatteTransform(mmm))
using (var ggg = new WicConvertFromCustomPixelFormat(mat))
using (var csc = new WicColorspaceConverter(ggg))
using (var sss = new WicUnsharpMask(csc))
using (var dit = new WicPaletizer(sss))
using (var enc = new WicEncoder(ostm.AsIStream(), ctx))
enc.WriteSource(dit);
}
}
private static void processImage(WicDecoder dec, WicProcessingContext ctx, Stream ostm)
{
using (var frm = new WicFrameReader(dec, ctx))
using (var met = new WicMetadataReader(frm))
{
if (!ctx.Settings.Normalized)
{
ctx.Settings.Fixup((int)ctx.Width, (int)ctx.Height, ctx.IsRotated90);
}
ctx.Settings.HybridMode = HybridScaleMode.Turbo;
//ctx.NeedsCache = true;
using (var qsc = new WicNativeScaler(met))
using (var rot = new WicExifRotator(qsc))
using (var cac = new WicConditionalCache(rot))
using (var crp = new WicCropper(cac))
using (var pix = new WicPixelFormatConverter(crp))
using (var cmy = new WicCmykConverter(pix))
using (var res = new WicScaler(cmy))
using (var csc = new WicColorspaceConverter(res))
using (var mat = new WicMatteTransform(csc))
using (var pal = new WicPaletizer(mat, 256))
using (var enc = new WicEncoder(ostm.AsIStream(), ctx))
enc.WriteSource(pal);
}
}
private void loadInfo(WicDecoder dec, WicProcessingContext ctx)
{
ContainerType = ctx.Decoder.ContainerFormat;
Frames = new FrameInfo[ctx.Decoder.FrameCount];
for (int i = 0; i < ctx.Decoder.FrameCount; i++)
{
ctx.Settings.FrameIndex = i;
var frm = new WicFrameReader(ctx);
WicTransforms.AddMetadataReader(ctx, basicOnly: true);
int width = (int)(frm.ExifOrientation.RequiresDimensionSwap() ? ctx.Source.Height : ctx.Source.Width);
int height = (int)(frm.ExifOrientation.RequiresDimensionSwap() ? ctx.Source.Width : ctx.Source.Height);
Frames[i] = new FrameInfo(width, height, ctx.Source.Format.AlphaRepresentation != PixelAlphaRepresentation.None, frm.ExifOrientation);
}
}
private static void processImage(WicDecoder dec, WicProcessingContext ctx, Stream ostm)
{
using (var frm = new WicFrameReader(dec, ctx))
using (var met = new WicMetadataReader(frm))
{
if (!ctx.Settings.Normalized)
{
ctx.Settings.Fixup((int)ctx.Width, (int)ctx.Height, ctx.IsRotated90);
}
bool mod1 = (!ctx.IsSubsampled || ctx.Settings.HybridScaleRatio > 1d || (ctx.Settings.Crop.Width % 2 == 0 && ctx.Settings.Crop.Height % 2 == 0) || (ctx.Settings.Crop.Width == ctx.Width && ctx.Settings.Crop.Height == ctx.Height));
bool planar = ctx.SupportsPlanar && mod1;
if (planar && ctx.Settings.HybridMode != HybridScaleMode.Off)
{
MagicPlanarImageProcessor.ProcessImage(met, ctx, ostm);
return;
}
using (var qsc = new WicNativeScaler(met))
using (var rot = new WicExifRotator(qsc))
using (var cac = new WicConditionalCache(rot))
using (var crp = new WicCropper(cac))
using (var pix = new WicPixelFormatConverter(crp))
using (var cmy = new WicCmykConverter(pix))
using (var res = new WicScaler(cmy, true))
using (var lll = new WicGammaExpand(res))
using (var mmm = new WicHighQualityScaler(lll))
using (var mat = new WicMatteTransform(mmm))
using (var ggg = new WicGammaCompress(mat))
using (var csc = new WicColorspaceConverter(ggg))
using (var sss = new WicUnsharpMask(csc))
using (var dit = new WicPaletizer(sss, 256))
using (var enc = new WicEncoder(ostm.AsIStream(), ctx))
enc.WriteSource(dit);
}
}
private static void buildPipeline(WicProcessingContext ctx, bool outputPlanar = true)
{
var frm = new WicFrameReader(ctx, EnablePlanarPipeline);
WicTransforms.AddMetadataReader(ctx);
ctx.FinalizeSettings();
ctx.Settings.UnsharpMask = ctx.UsedSettings.UnsharpMask;
ctx.Settings.JpegQuality = ctx.UsedSettings.JpegQuality;
ctx.Settings.JpegSubsampleMode = ctx.UsedSettings.JpegSubsampleMode;
if (ctx.DecoderFrame.SupportsPlanarPipeline)
{
bool savePlanar = outputPlanar &&
ctx.Settings.SaveFormat == FileFormat.Jpeg &&
ctx.Settings.InnerRect == ctx.Settings.OuterRect &&
ctx.SourceColorContext is null;
WicTransforms.AddExifRotator(ctx);
WicTransforms.AddPlanarCache(ctx);
MagicTransforms.AddHighQualityScaler(ctx);
MagicTransforms.AddUnsharpMask(ctx);
MagicTransforms.AddExternalFormatConverter(ctx);
ctx.SwitchPlanarSource(WicPlane.Chroma);
if (savePlanar)
{
var subsample = ctx.Settings.JpegSubsampleMode;
if (subsample == ChromaSubsampleMode.Subsample420)
{
ctx.Settings.InnerRect.Height = (int)Math.Ceiling(ctx.Settings.InnerRect.Height / 2d);
}
if (subsample == ChromaSubsampleMode.Subsample420 || subsample == ChromaSubsampleMode.Subsample422)
{
ctx.Settings.InnerRect.Width = (int)Math.Ceiling(ctx.Settings.InnerRect.Width / 2d);
}
}
MagicTransforms.AddHighQualityScaler(ctx);
MagicTransforms.AddExternalFormatConverter(ctx);
ctx.SwitchPlanarSource(WicPlane.Luma);
if (!savePlanar)
{
WicTransforms.AddPlanarConverter(ctx);
MagicTransforms.AddColorspaceConverter(ctx);
MagicTransforms.AddPad(ctx);
}
}
else
{
WicTransforms.AddNativeScaler(ctx);
WicTransforms.AddExifRotator(ctx);
WicTransforms.AddConditionalCache(ctx);
WicTransforms.AddCropper(ctx);
MagicTransforms.AddHighQualityScaler(ctx, true);
WicTransforms.AddPixelFormatConverter(ctx);
WicTransforms.AddScaler(ctx, true);
MagicTransforms.AddHighQualityScaler(ctx);
MagicTransforms.AddColorspaceConverter(ctx);
MagicTransforms.AddMatte(ctx);
MagicTransforms.AddUnsharpMask(ctx);
MagicTransforms.AddPad(ctx);
}
}
