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REVIEWED: HiggDPI content scaling on changing monitors with different DPI #5335 #5356

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Note that high-dpi awareness must be enabled by users and `CORE.Window.render` reports the scaled framebuffer size, while `CORE.Window.screen` reports the logical size.

`ToggleBorderlessWindow()` has also been reviewed to be consistent with scaling, if monitor physical display size is reported as 1920x1080 but there is a content scale of 1.5, then the borderless fullscreen window will be 1280x720, with the 1920x1080 framebuffer
This commit is contained in:
Ray
2025-12-17 19:20:18 +01:00
parent 7553e9d586
commit 6d562e5e87
3 changed files with 120 additions and 70 deletions
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26
src/rcore.c
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@@ -816,30 +816,22 @@ int GetScreenHeight(void)
// Get current render width which is equal to screen width*dpi scale
int GetRenderWidth(void)
{
if (CORE.Window.usingFbo) return CORE.Window.currentFbo.width;
int width = 0;
#if defined(__APPLE__)
Vector2 scale = GetWindowScaleDPI();
width = (int)((float)CORE.Window.render.width*scale.x);
#else
width = CORE.Window.render.width;
#endif
if (CORE.Window.usingFbo) return CORE.Window.currentFbo.width;
else width = CORE.Window.render.width;
return width;
}
// Get current screen height which is equal to screen height*dpi scale
int GetRenderHeight(void)
{
if (CORE.Window.usingFbo) return CORE.Window.currentFbo.height;
int height = 0;
#if defined(__APPLE__)
Vector2 scale = GetWindowScaleDPI();
height = (int)((float)CORE.Window.render.height*scale.y);
#else
height = CORE.Window.render.height;
#endif
if (CORE.Window.usingFbo) return CORE.Window.currentFbo.height;
else height = CORE.Window.render.height;
return height;
}
@@ -1833,7 +1825,7 @@ void TakeScreenshot(const char *fileName)
// Apply a scale if we are doing HIGHDPI auto-scaling
Vector2 scale = { 1.0f, 1.0f };
if (IsWindowState(FLAG_WINDOW_HIGHDPI)) scale = GetWindowScaleDPI();
if (FLAG_IS_SET(CORE.Window.flags, FLAG_WINDOW_HIGHDPI)) scale = GetWindowScaleDPI();
unsigned char *imgData = rlReadScreenPixels((int)((float)CORE.Window.render.width*scale.x), (int)((float)CORE.Window.render.height*scale.y));
Image image = { imgData, (int)((float)CORE.Window.render.width*scale.x), (int)((float)CORE.Window.render.height*scale.y), 1, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8 };