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Merge pull request #316 from kasperdaff/master

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CMYK has four color components
This commit is contained in:
Eliot Jones
2021-04-26 09:24:32 -04:00
committed by GitHub
parent 9ae0a5ec15 e26a95a337
commit d1a6debfb6
1 changed files with 4 additions and 4 deletions
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8
src/UglyToad.PdfPig/Images/Png/PngFromPdfImageFactory.cs
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@@ -26,12 +26,12 @@
try try
{ {
var is3Byte = actualColorSpace == ColorSpace.DeviceRGB || actualColorSpace == ColorSpace.DeviceCMYK; var numberOfComponents = actualColorSpace == ColorSpace.DeviceCMYK ? 4 : actualColorSpace == ColorSpace.DeviceRGB ? 3 : 1;
var multiplier = is3Byte ? 3 : 1; var is3Byte = numberOfComponents == 3;
var builder = PngBuilder.Create(image.WidthInSamples, image.HeightInSamples, false); var builder = PngBuilder.Create(image.WidthInSamples, image.HeightInSamples, false);
var isCorrectlySized = bytesPure.Count == (image.WidthInSamples * image.HeightInSamples * (image.BitsPerComponent / 8) * multiplier); var isCorrectlySized = bytesPure.Count == (image.WidthInSamples * image.HeightInSamples * (image.BitsPerComponent / 8) * numberOfComponents);
if (!isCorrectlySized) if (!isCorrectlySized)
{ {