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Export document frame faces as PNGs

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This commit is contained in:
omigamedev
2026-06-05 18:54:27 +02:00
parent 693923b7bd
commit 6151fb7a3d
10 changed files with 201 additions and 20 deletions
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69
tests/paint_renderer/compositor_tests.cpp
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@@ -1,3 +1,4 @@
#include "assets/image_pixels.h"
#include "paint_renderer/compositor.h"
#include "renderer_api/recording_renderer.h"
#include "test_harness.h"
@@ -597,6 +598,73 @@ void records_document_frame_upload_report(pp::tests::Harness& h)
}
}
void exports_document_frame_faces_as_pngs(pp::tests::Harness& h)
{
const AnimationFrame root_frames[] {
{ .duration_ms = 100, .face_pixels = {} },
};
const AnimationFrame layer_frames[] {
{
.duration_ms = 100,
.face_pixels = {
LayerFacePixels {
.face_index = 4,
.x = 0,
.y = 0,
.width = 1,
.height = 1,
.rgba8 = { 64, 128, 255, 255 },
},
},
},
};
const DocumentLayerConfig layers[] {
{
.name = "Paint",
.frames = std::span<const AnimationFrame>(layer_frames, 1),
},
};
const auto document = CanvasDocument::create_from_snapshot(DocumentSnapshotConfig {
.width = 1,
.height = 1,
.layers = std::span<const DocumentLayerConfig>(layers, 1),
.frames = std::span<const AnimationFrame>(root_frames, 1),
.selection_masks = {},
});
PP_EXPECT(h, document);
if (!document) {
return;
}
const auto exported = pp::paint_renderer::export_document_frame_face_pngs(
pp::paint_renderer::DocumentFrameCompositeRequest {
.document = &document.value(),
.frame_index = 0,
.clear_color = {},
});
PP_EXPECT(h, exported);
if (!exported) {
return;
}
PP_EXPECT(h, exported.value().face_count == pp::document::cube_face_count);
PP_EXPECT(h, exported.value().encoded_bytes > 0U);
PP_EXPECT(h, exported.value().composite.face_payload_count == 1U);
const auto decoded = pp::assets::decode_png_rgba8(exported.value().face_pngs[4]);
PP_EXPECT(h, decoded);
if (decoded) {
PP_EXPECT(h, decoded.value().width == 1U);
PP_EXPECT(h, decoded.value().height == 1U);
PP_EXPECT(h, decoded.value().pixels.size() == 4U);
PP_EXPECT(h, decoded.value().pixels[0] == 64U);
PP_EXPECT(h, decoded.value().pixels[1] == 128U);
PP_EXPECT(h, decoded.value().pixels[2] == 255U);
PP_EXPECT(h, decoded.value().pixels[3] == 255U);
}
}
void document_frame_upload_rejects_invalid_requests(pp::tests::Harness& h)
{
RecordingRenderDevice device;
@@ -979,6 +1047,7 @@ int main()
harness.run("document_frame_composite_rejects_invalid_requests", document_frame_composite_rejects_invalid_requests);
harness.run("uploads_document_frame_faces_to_renderer_api", uploads_document_frame_faces_to_renderer_api);
harness.run("records_document_frame_upload_report", records_document_frame_upload_report);
harness.run("exports_document_frame_faces_as_pngs", exports_document_frame_faces_as_pngs);
harness.run("document_frame_upload_rejects_invalid_requests", document_frame_upload_rejects_invalid_requests);
harness.run("detects_feedback_requirements", detects_feedback_requirements);
harness.run("plans_stroke_composite_paths", plans_stroke_composite_paths);