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LibPDF: Add parameter for background color of render

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This commit is contained in:
Kyle Pereira 2023-12-07 12:53:13 +00:00 • committed by Andreas Kling
parent 60c4803dd3
commit 8191f2b47a
5 changed files with 10 additions and 10 deletions
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2
Meta/Lagom/Contrib/MacPDF/MacPDFView.mm
View file

@ -29,7 +29,7 @@ static PDF::PDFErrorOr<NonnullRefPtr<Gfx::Bitmap>> render(PDF::Document& documen
auto bitmap = TRY(Gfx::Bitmap::create(Gfx::BitmapFormat::BGRx8888, page_size)); auto bitmap = TRY(Gfx::Bitmap::create(Gfx::BitmapFormat::BGRx8888, page_size));
auto errors = PDF::Renderer::render(document, page, bitmap, PDF::RenderingPreferences {}); auto errors = PDF::Renderer::render(document, page, bitmap, Color::White, PDF::RenderingPreferences {});
if (errors.is_error()) { if (errors.is_error()) {
for (auto const& error : errors.error().errors()) for (auto const& error : errors.error().errors())
NSLog(@"warning: %@", @(error.message().characters())); NSLog(@"warning: %@", @(error.message().characters()));

2
Userland/Applications/PDFViewer/PDFViewer.cpp
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@ -319,7 +319,7 @@ PDF::PDFErrorOr<NonnullRefPtr<Gfx::Bitmap>> PDFViewer::render_page(u32 page_inde
auto& page_size = m_page_dimension_cache.render_info[page_index].size; auto& page_size = m_page_dimension_cache.render_info[page_index].size;
auto bitmap = TRY(Gfx::Bitmap::create(Gfx::BitmapFormat::BGRA8888, page_size.to_type<int>())); auto bitmap = TRY(Gfx::Bitmap::create(Gfx::BitmapFormat::BGRA8888, page_size.to_type<int>()));
auto maybe_errors = PDF::Renderer::render(*m_document, page, bitmap, m_rendering_preferences); auto maybe_errors = PDF::Renderer::render(*m_document, page, bitmap, Color::White, m_rendering_preferences);
if (maybe_errors.is_error()) { if (maybe_errors.is_error()) {
auto errors = maybe_errors.release_error(); auto errors = maybe_errors.release_error();
on_render_errors(page_index, errors); on_render_errors(page_index, errors);

8
Userland/Libraries/LibPDF/Renderer.cpp
View file

@ -45,9 +45,9 @@ private:
size_t m_starting_stack_depth; size_t m_starting_stack_depth;
}; };
PDFErrorsOr<void> Renderer::render(Document& document, Page const& page, RefPtr<Gfx::Bitmap> bitmap, RenderingPreferences rendering_preferences) PDFErrorsOr<void> Renderer::render(Document& document, Page const& page, RefPtr<Gfx::Bitmap> bitmap, Color background_color, RenderingPreferences rendering_preferences)
{ {
return Renderer(document, page, bitmap, rendering_preferences).render(); return Renderer(document, page, bitmap, background_color, rendering_preferences).render();
} }
static void rect_path(Gfx::Path& path, float x, float y, float width, float height) static void rect_path(Gfx::Path& path, float x, float y, float width, float height)
@ -73,7 +73,7 @@ static Gfx::Path rect_path(Gfx::Rect<T> const& rect)
return path; return path;
} }
Renderer::Renderer(RefPtr<Document> document, Page const& page, RefPtr<Gfx::Bitmap> bitmap, RenderingPreferences rendering_preferences) Renderer::Renderer(RefPtr<Document> document, Page const& page, RefPtr<Gfx::Bitmap> bitmap, Color background_color, RenderingPreferences rendering_preferences)
: m_document(document) : m_document(document)
, m_bitmap(bitmap) , m_bitmap(bitmap)
, m_page(page) , m_page(page)
@ -104,7 +104,7 @@ Renderer::Renderer(RefPtr<Document> document, Page const& page, RefPtr<Gfx::Bitm
auto initial_clipping_path = rect_path(userspace_matrix.map(Gfx::FloatRect(0, 0, width, height))); auto initial_clipping_path = rect_path(userspace_matrix.map(Gfx::FloatRect(0, 0, width, height)));
m_graphics_state_stack.append(GraphicsState { userspace_matrix, { initial_clipping_path, initial_clipping_path } }); m_graphics_state_stack.append(GraphicsState { userspace_matrix, { initial_clipping_path, initial_clipping_path } });
m_bitmap->fill(Gfx::Color::NamedColor::White); m_bitmap->fill(background_color);
} }
PDFErrorsOr<void> Renderer::render() PDFErrorsOr<void> Renderer::render()

4
Userland/Libraries/LibPDF/Renderer.h
View file

@ -98,7 +98,7 @@ struct RenderingPreferences {
class Renderer { class Renderer {
public: public:
static PDFErrorsOr<void> render(Document&, Page const&, RefPtr<Gfx::Bitmap>, RenderingPreferences preferences); static PDFErrorsOr<void> render(Document&, Page const&, RefPtr<Gfx::Bitmap>, Color background_color, RenderingPreferences preferences);
struct FontCacheKey { struct FontCacheKey {
NonnullRefPtr<DictObject> font_dictionary; NonnullRefPtr<DictObject> font_dictionary;
@ -115,7 +115,7 @@ public:
PDFErrorOr<void> render_type3_glyph(Gfx::FloatPoint, StreamObject const&, Gfx::AffineTransform const&, Optional<NonnullRefPtr<DictObject>>); PDFErrorOr<void> render_type3_glyph(Gfx::FloatPoint, StreamObject const&, Gfx::AffineTransform const&, Optional<NonnullRefPtr<DictObject>>);
private: private:
Renderer(RefPtr<Document>, Page const&, RefPtr<Gfx::Bitmap>, RenderingPreferences); Renderer(RefPtr<Document>, Page const&, RefPtr<Gfx::Bitmap>, Color background_color, RenderingPreferences);
PDFErrorsOr<void> render(); PDFErrorsOr<void> render();

4
Userland/Utilities/pdf.cpp
View file

@ -55,7 +55,7 @@ static PDF::PDFErrorOr<NonnullRefPtr<Gfx::Bitmap>> render_page(PDF::Document& do
auto bitmap = TRY(Gfx::Bitmap::create(Gfx::BitmapFormat::BGRx8888, page_size)); auto bitmap = TRY(Gfx::Bitmap::create(Gfx::BitmapFormat::BGRx8888, page_size));
auto errors = PDF::Renderer::render(document, page, bitmap, PDF::RenderingPreferences {}); auto errors = PDF::Renderer::render(document, page, bitmap, Color::White, PDF::RenderingPreferences {});
if (errors.is_error()) { if (errors.is_error()) {
for (auto const& error : errors.error().errors()) for (auto const& error : errors.error().errors())
warnln("warning: {}", error.message()); warnln("warning: {}", error.message());
@ -128,7 +128,7 @@ static PDF::PDFErrorOr<void> print_debugging_stats(PDF::Document& document, bool
auto page = TRY(document.get_page(page_number - 1)); auto page = TRY(document.get_page(page_number - 1));
auto page_size = Gfx::IntSize { 200, round_to<int>(200 * page.media_box.height() / page.media_box.width()) }; auto page_size = Gfx::IntSize { 200, round_to<int>(200 * page.media_box.height() / page.media_box.width()) };
auto bitmap = TRY(Gfx::Bitmap::create(Gfx::BitmapFormat::BGRx8888, page_size)); auto bitmap = TRY(Gfx::Bitmap::create(Gfx::BitmapFormat::BGRx8888, page_size));
auto errors = PDF::Renderer::render(document, page, bitmap, PDF::RenderingPreferences {}); auto errors = PDF::Renderer::render(document, page, bitmap, Color::White, PDF::RenderingPreferences {});
if (errors.is_error()) { if (errors.is_error()) {
for (auto const& error : errors.error().errors()) for (auto const& error : errors.error().errors())
diags_to_pages.ensure(error.message()).append(page_number); diags_to_pages.ensure(error.message()).append(page_number);