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Tile-based rendering (partial page invalidation)

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saqib mir
2026-07-07 11:25:09 +05:30
parent ef59f2ec83
commit 880e56b98b
8 changed files with 152 additions and 8 deletions
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bindings/python/pdfengine_py.cpp
+17 -1
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@@ -359,6 +359,11 @@ PYBIND11_MODULE(pdfengine, m) {
return py::make_tuple(img.width, img.height,
py::bytes(reinterpret_cast<const char*>(img.data.data()), img.data.size()));
}, py::arg("dpi"), py::arg("y_top_pt"), py::arg("height_pt") = 0.0)
.def("render_tile", [](const pdfengine::PdfPage& self, int dpi, double xPt, double yPt, double wPt, double hPt) {
auto img = get_or_throw(self.renderTile(dpi, xPt, yPt, wPt, hPt));
return py::make_tuple(img.width, img.height,
py::bytes(reinterpret_cast<const char*>(img.data.data()), img.data.size()));
}, py::arg("dpi"), py::arg("xPt"), py::arg("yPt"), py::arg("wPt"), py::arg("hPt"))
.def("extract_document_model", [](const pdfengine::PdfPage& self) {
return get_or_throw(self.extractDocumentModel());
})
@@ -483,7 +488,18 @@ PYBIND11_MODULE(pdfengine, m) {
return py::bytes(reinterpret_cast<const char*>(res->data()), res->size());
}, py::arg("internal_font_id"))
.def("apply_edits", [](pdfengine::PdfDocument& self, const std::string& editsJson) {
get_or_throw(self.applyEdits(editsJson));
auto regions = get_or_throw(self.applyEdits(editsJson));
py::list py_regions;
for (const auto& r : regions) {
py::dict d;
d["pageIndex"] = r.pageIndex;
d["x"] = r.x;
d["y"] = r.y;
d["width"] = r.width;
d["height"] = r.height;
py_regions.append(d);
}
return py_regions;
}, py::arg("edits_json"))
.def("save_incremental", [](const pdfengine::PdfDocument& self) {
std::vector<uint8_t> res = get_or_throw(self.saveIncremental());