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Ensure conversion to sRGB occurs before background #99

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Lovell Fuller
2014-10-07 10:17:20 +01:00
parent c2fcf7fc4a
commit 6190ca4307
2 changed files with 30 additions and 9 deletions
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29
src/sharp.cc
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@@ -511,8 +511,9 @@ class ResizeWorker : public NanAsyncWorker {
image = shrunk_on_load;
}
// Import embedded colour profile, if present
if (vips_image_get_typeof(image, VIPS_META_ICC_NAME)) {
// Handle colour profile, if any, for non sRGB images
if (image->Type != VIPS_INTERPRETATION_sRGB && vips_image_get_typeof(image, VIPS_META_ICC_NAME)) {
// Import embedded profile
VipsImage *profile = vips_image_new();
vips_object_local(hook, profile);
if (vips_icc_import(image, &profile, NULL, "embedded", TRUE, "pcs", VIPS_PCS_XYZ, NULL)) {
@@ -520,6 +521,14 @@ class ResizeWorker : public NanAsyncWorker {
}
g_object_unref(image);
image = profile;
// Convert to sRGB colour space
VipsImage *colourspaced = vips_image_new();
vips_object_local(hook, colourspaced);
if (vips_colourspace(profile, &colourspaced, VIPS_INTERPRETATION_sRGB, NULL)) {
return resize_error(baton, hook);
}
g_object_unref(image);
image = colourspaced;
}
// Flatten image to remove alpha channel
@@ -710,14 +719,16 @@ class ResizeWorker : public NanAsyncWorker {
image = gamma_decoded;
}
// Always convert to sRGB colour space
VipsImage *colourspaced = vips_image_new();
vips_object_local(hook, colourspaced);
if (vips_colourspace(image, &colourspaced, VIPS_INTERPRETATION_sRGB, NULL)) {
return resize_error(baton, hook);
// Convert to sRGB colour space, if not already
if (image->Type != VIPS_INTERPRETATION_sRGB) {
VipsImage *colourspaced = vips_image_new();
vips_object_local(hook, colourspaced);
if (vips_colourspace(image, &colourspaced, VIPS_INTERPRETATION_sRGB, NULL)) {
return resize_error(baton, hook);
}
g_object_unref(image);
image = colourspaced;
}
g_object_unref(image);
image = colourspaced;
// Generate image tile cache when interlace output is required
if (baton->progressive) {