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Use DPI scaling to scale drawn fonts. #114

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Merged
sgothel merged 1 commit into from
Jun 10, 2023
Merged

Use DPI scaling to scale drawn fonts. #114

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15 changes: 14 additions & 1 deletion src/jogl/classes/com/jogamp/opengl/util/awt/TextRenderer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,8 @@
import com.jogamp.common.nio.Buffers;
import com.jogamp.common.util.InterruptSource;
import com.jogamp.common.util.PropertyAccess;
import com.jogamp.nativewindow.NativeSurface;
import com.jogamp.nativewindow.ScalableSurface;
import com.jogamp.opengl.util.*;
import com.jogamp.opengl.util.packrect.*;
import com.jogamp.opengl.util.texture.*;
Expand Down Expand Up @@ -291,7 +293,18 @@ public TextRenderer(final Font font, final boolean antialiased,
public TextRenderer(final Font font, final boolean antialiased,
final boolean useFractionalMetrics, RenderDelegate renderDelegate,
final boolean mipmap) {
this.font = font;

NativeSurface surface = GLContext.getCurrent().getGLDrawable().getNativeSurface();
if (surface instanceof ScalableSurface) {
// DPI scaling for surface
float[] surfaceScale = new float[2];
((ScalableSurface) surface).getCurrentSurfaceScale(surfaceScale);
float newSize = font.getSize() * surfaceScale[0];
this.font = font.deriveFont(newSize);
} else {
this.font = font;
}

this.antialiased = antialiased;
this.useFractionalMetrics = useFractionalMetrics;
this.mipmap = mipmap;
Expand Down