diff options
Diffstat (limited to 'examples/pdf-invert-images.cc')
| -rw-r--r-- | examples/pdf-invert-images.cc | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/examples/pdf-invert-images.cc b/examples/pdf-invert-images.cc index 60f4e8d1..f4a4e4ab 100644 --- a/examples/pdf-invert-images.cc +++ b/examples/pdf-invert-images.cc @@ -34,10 +34,10 @@ class ImageInverter: public QPDFObjectHandle::StreamDataProvider virtual void provideStreamData(int objid, int generation, Pipeline* pipeline); - // Map [obj][gen] = image object - std::map<int, std::map<int, QPDFObjectHandle> > image_objects; - // Map [obj][gen] = image data - std::map<int, std::map<int, PointerHolder<Buffer> > > image_data; + // Map [og] = image object + std::map<QPDFObjGen, QPDFObjectHandle> image_objects; + // Map [og] = image data + std::map<QPDFObjGen, PointerHolder<Buffer> > image_data; }; void @@ -47,7 +47,8 @@ ImageInverter::provideStreamData(int objid, int generation, // Use the object and generation number supplied to look up the // image data. Then invert the image data and write the inverted // data to the pipeline. - PointerHolder<Buffer> data = this->image_data[objid][generation]; + PointerHolder<Buffer> data = + this->image_data[QPDFObjGen(objid, generation)]; size_t size = data->getSize(); unsigned char* buf = data->getBuffer(); unsigned char ch; @@ -120,12 +121,11 @@ int main(int argc, char* argv[]) // Store information about the images based on the // object and generation number. Recall that a single // image object may be used more than once. - int objid = image.getObjectID(); - int gen = image.getGeneration(); - if (inv->image_objects[objid].count(gen) == 0) + QPDFObjGen og = image.getObjGen(); + if (inv->image_objects.count(og) == 0) { - inv->image_objects[objid][gen] = image; - inv->image_data[objid][gen] = image.getStreamData(); + inv->image_objects[og] = image; + inv->image_data[og] = image.getStreamData(); // Register our stream data provider for this // stream. Future calls to getStreamData or |