Mathis/sharp
1
0
Fork 0
mirror of https://github.com/lovell/sharp.git synced 2025-12-19 07:15:08 +01:00
Code Issues Packages Projects Releases Wiki Activity

Expose JPEG 2000 oneshot decoder option #4262

Browse Source 
Requires libvips compiled with support for JP2 images

Co-authored-by: Kleis Auke Wolthuizen <github@kleisauke.nl>
This commit is contained in:
Michael B. Klein
2024-11-12 11:32:41 -06:00
committed by Lovell Fuller
parent 01f6cbbaee
commit 751f9992c4
11 changed files with 67 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/common.cc
View File

@@ -113,6 +113,10 @@ namespace sharp {
if (HasAttr(input, "pdfBackground")) {
descriptor->pdfBackground = AttrAsVectorOfDouble(input, "pdfBackground");
}
// Use JPEG 2000 oneshot mode?
if (HasAttr(input, "jp2Oneshot")) {
descriptor->jp2Oneshot = AttrAsBool(input, "jp2Oneshot");
}
// Create new image
if (HasAttr(input, "createChannels")) {
descriptor->createChannels = AttrAsUint32(input, "createChannels");
@@ -434,6 +438,9 @@ namespace sharp {
if (imageType == ImageType::PDF) {
option->set("background", descriptor->pdfBackground);
}
if (imageType == ImageType::JP2) {
option->set("oneshot", descriptor->jp2Oneshot);
}
image = VImage::new_from_buffer(descriptor->buffer, descriptor->bufferLength, nullptr, option);
if (imageType == ImageType::SVG || imageType == ImageType::PDF || imageType == ImageType::MAGICK) {
image = SetDensity(image, descriptor->density);
@@ -541,6 +548,9 @@ namespace sharp {
if (imageType == ImageType::PDF) {
option->set("background", descriptor->pdfBackground);
}
if (imageType == ImageType::JP2) {
option->set("oneshot", descriptor->jp2Oneshot);
}
image = VImage::new_from_file(descriptor->file.data(), option);
if (imageType == ImageType::SVG || imageType == ImageType::PDF || imageType == ImageType::MAGICK) {
image = SetDensity(image, descriptor->density);

4
src/common.h
View File

@@ -78,6 +78,7 @@ namespace sharp {
VipsAlign joinHalign;
VipsAlign joinValign;
std::vector<double> pdfBackground;
bool jp2Oneshot;
InputDescriptor():
autoOrient(false),
@@ -120,7 +121,8 @@ namespace sharp {
joinBackground{ 0.0, 0.0, 0.0, 255.0 },
joinHalign(VIPS_ALIGN_LOW),
joinValign(VIPS_ALIGN_LOW),
pdfBackground{ 255.0, 255.0, 255.0, 255.0 } {}
pdfBackground{ 255.0, 255.0, 255.0, 255.0 },
jp2Oneshot(false) {}
};
// Convenience methods to access the attributes of a Napi::Object