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make android.text.Layout.draw() compatible custom Canvas classes

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TextAndroidCanvas is a proxy canvas class which prevents us from
accessing the GtkSnapshot of the real canvas. To solve this problem, we
call Canvas.drawText() for each line.
This commit is contained in:
Julian Winkler
2025-02-19 20:40:37 +01:00
parent 4bb5dfd86e
commit 24f839f556
7 changed files with 44 additions and 4 deletions
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2
src/api-impl-jni/graphics/android_graphics_GskCanvas.c
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@@ -104,7 +104,7 @@ JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1drawText(JNIEnv *
(*env)->ReleaseStringUTFChars(env, text, str);
PangoRectangle rect;
pango_layout_get_pixel_extents(layout, NULL, &rect);
y -= rect.height;
y -= (float)pango_layout_get_baseline(layout) / PANGO_SCALE;
if (paint->alignment == PANGO_ALIGN_CENTER)
x -= rect.width / 2.f;
else if (paint->alignment == PANGO_ALIGN_RIGHT)