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Base maximum output dimensions on limitation of format

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Lovell Fuller
2017-05-04 23:20:37 +01:00
parent c8e59f08ec
commit 2f534dc01c
10 changed files with 82 additions and 47 deletions
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19
src/common.cc
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@@ -347,6 +347,25 @@ namespace sharp {
image.set(VIPS_META_RESOLUTION_UNIT, "in");
}
/*
Check the proposed format supports the current dimensions.
*/
void AssertImageTypeDimensions(VImage image, ImageType const imageType) {
if (imageType == ImageType::JPEG) {
if (image.width() > 65535 || image.height() > 65535) {
throw vips::VError("Processed image is too large for the JPEG format");
}
} else if (imageType == ImageType::PNG) {
if (image.width() > 2147483647 || image.height() > 2147483647) {
throw vips::VError("Processed image is too large for the PNG format");
}
} else if (imageType == ImageType::WEBP) {
if (image.width() > 16383 || image.height() > 16383) {
throw vips::VError("Processed image is too large for the WebP format");
}
}
}
/*
Called when a Buffer undergoes GC, required to support mixed runtime libraries in Windows
*/