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implement Canvas.clipRect() using gtk_snapshot_push_clip()

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This commit is contained in:
Julian Winkler
2025-10-04 19:34:43 +02:00
committed by Mis012
parent e58d8d2065
commit d78fb53ce3
4 changed files with 57 additions and 13 deletions
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16
src/api-impl-jni/generated_headers/android_graphics_GskCanvas.h
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@@ -113,6 +113,22 @@ JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1scale
JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1concat
(JNIEnv *, jobject, jlong, jlong);
/*
* Class: android_graphics_GskCanvas
* Method: native_clipRect
* Signature: (JFFFF)V
*/
JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1clipRect
(JNIEnv *, jobject, jlong, jfloat, jfloat, jfloat, jfloat);
/*
* Class: android_graphics_GskCanvas
* Method: native_pop
* Signature: (JI)V
*/
JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1pop
(JNIEnv *, jobject, jlong, jint);
#ifdef __cplusplus
}
#endif

13
src/api-impl-jni/graphics/android_graphics_GskCanvas.c
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@@ -154,3 +154,16 @@ JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1concat(JNIEnv *en
graphene_matrix_t *matrix = (graphene_matrix_t *)_PTR(matrix_ptr);
gtk_snapshot_transform_matrix(snapshot, matrix);
}
JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1clipRect(JNIEnv *env, jclass this_class, jlong snapshot_ptr, jfloat left, jfloat top, jfloat right, jfloat bottom)
{
GdkSnapshot *snapshot = GTK_SNAPSHOT(_PTR(snapshot_ptr));
gtk_snapshot_push_clip(snapshot, &GRAPHENE_RECT_INIT(left, top, right - left, bottom - top));
}
JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1pop(JNIEnv *env, jclass this_class, jlong snapshot_ptr, jint count)
{
GdkSnapshot *snapshot = GTK_SNAPSHOT(_PTR(snapshot_ptr));
while (count--)
gtk_snapshot_pop(snapshot);
}