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Feature/render widgests on top of opengl content #170

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Feature/render widgests on top of opengl content #170

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61ae1aa
Add the ".cache" folder to .gitignore
palszasz Apr 19, 2025
b87b820
Draw widgets on top of Canvas
elgsony Jan 18, 2021
587a927
Add example overlay label to image view
palszasz Apr 16, 2025
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -48,3 +48,4 @@ resources/nanogui-entypo

compile_commands.json
.clangd
.cache
4 changes: 2 additions & 2 deletions src/canvas.cpp
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Expand Up @@ -133,8 +133,6 @@ void Canvas::draw(NVGcontext *ctx) {

float pixel_ratio = scr->pixel_ratio();

Widget::draw(ctx);

scr->nvg_flush();

Vector2i fbsize = m_size;
Expand Down Expand Up @@ -186,6 +184,8 @@ void Canvas::draw(NVGcontext *ctx) {
#endif
rp->blit_to(Vector2i(0, 0), fbsize, scr, offset);
}

Widget::draw(ctx);
}

NAMESPACE_END(nanogui)
3 changes: 3 additions & 0 deletions src/example1.cpp
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Expand Up @@ -209,6 +209,9 @@ class ExampleApplication : public Screen {
}
);

// Create an overlay label for the image view
new Label(image_view, "This is an overlay");

new Label(window, "File dialog", "sans-bold");
tools = new Widget(window);
tools->set_layout(new BoxLayout(Orientation::Horizontal,
Expand Down