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Examples: SDL+SDL_Renderer: Added call to SDL_RenderSetScale() to display is correct on a Retina display (albeit lower-res as our other unmodified examples). (#6121, #6065, #5931).

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ocornut 2023-01-31 15:49:54 +01:00
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docs/CHANGELOG.txt
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@ -64,6 +64,8 @@ All changes:
- Examples: Win32: Fixed examples using RegisterClassW() since 1.89 to also call - Examples: Win32: Fixed examples using RegisterClassW() since 1.89 to also call
DefWindowProcW() instead of DefWindowProc() so that title text are correctly converted DefWindowProcW() instead of DefWindowProc() so that title text are correctly converted
when application is compiled without /DUNICODE. (#5725, #5961, #5975) [@markreidvfx] when application is compiled without /DUNICODE. (#5725, #5961, #5975) [@markreidvfx]
- Examples: SDL+SDL_Renderer: Added call to SDL_RenderSetScale() to display is correct on a
Retina display (albeit lower-res as our other unmodified examples). (#6121, #6065, #5931).
----------------------------------------------------------------------- -----------------------------------------------------------------------

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examples/example_sdl_sdlrenderer/main.cpp
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@ -143,6 +143,7 @@ int main(int, char**)
// Rendering // Rendering
ImGui::Render(); ImGui::Render();
SDL_RenderSetScale(renderer, io.DisplayFramebufferScale.x, io.DisplayFramebufferScale.y);
SDL_SetRenderDrawColor(renderer, (Uint8)(clear_color.x * 255), (Uint8)(clear_color.y * 255), (Uint8)(clear_color.z * 255), (Uint8)(clear_color.w * 255)); SDL_SetRenderDrawColor(renderer, (Uint8)(clear_color.x * 255), (Uint8)(clear_color.y * 255), (Uint8)(clear_color.z * 255), (Uint8)(clear_color.w * 255));
SDL_RenderClear(renderer); SDL_RenderClear(renderer);
ImGui_ImplSDLRenderer_RenderDrawData(ImGui::GetDrawData()); ImGui_ImplSDLRenderer_RenderDrawData(ImGui::GetDrawData());