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Add support for bit depth with raw input and output (#2762)

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* Determine input raw pixel depth from the given typed array
* Allow pixel depth to be set on raw output
This commit is contained in:
Mart
2021-08-03 15:52:54 +02:00
committed by GitHub
parent eabb671b10
commit b7add480c7
9 changed files with 123 additions and 16 deletions
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5
src/common.cc
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@@ -92,6 +92,9 @@ namespace sharp {
}
// Raw pixel input
if (HasAttr(input, "rawChannels")) {
descriptor->rawDepth = static_cast<VipsBandFormat>(
vips_enum_from_nick(nullptr, VIPS_TYPE_BAND_FORMAT,
AttrAsStr(input, "rawDepth").data()));
descriptor->rawChannels = AttrAsUint32(input, "rawChannels");
descriptor->rawWidth = AttrAsUint32(input, "rawWidth");
descriptor->rawHeight = AttrAsUint32(input, "rawHeight");
@@ -297,7 +300,7 @@ namespace sharp {
if (descriptor->rawChannels > 0) {
// Raw, uncompressed pixel data
image = VImage::new_from_memory(descriptor->buffer, descriptor->bufferLength,
descriptor->rawWidth, descriptor->rawHeight, descriptor->rawChannels, VIPS_FORMAT_UCHAR);
descriptor->rawWidth, descriptor->rawHeight, descriptor->rawChannels, descriptor->rawDepth);
if (descriptor->rawChannels < 3) {
image.get_image()->Type = VIPS_INTERPRETATION_B_W;
} else {