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LibPDF: Don't crash when a font hasn't been loaded yet

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This could happen because there was a problem while loading the first
font in the document.
This commit is contained in:
Rodrigo Tobar 2023-02-12 14:51:26 +08:00 • committed by Andreas Kling
parent 79b4293687
commit bf61f94413
1 changed files with 3 additions and 0 deletions
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3
Userland/Libraries/LibPDF/Renderer.cpp
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@ -726,6 +726,9 @@ PDFErrorOr<void> Renderer::set_graphics_state_from_dict(NonnullRefPtr<DictObject
PDFErrorOr<void> Renderer::show_text(DeprecatedString const& string) PDFErrorOr<void> Renderer::show_text(DeprecatedString const& string)
{ {
if (!text_state().font)
return Error::rendering_unsupported_error("Can't draw text because an invalid font was in use");
auto& text_rendering_matrix = calculate_text_rendering_matrix(); auto& text_rendering_matrix = calculate_text_rendering_matrix();
auto font_size = text_rendering_matrix.x_scale() * text_state().font_size; auto font_size = text_rendering_matrix.x_scale() * text_state().font_size;