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implement Canvas.scale() for skia and GtkSnapshot

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This commit is contained in:
Julian Winkler
2024-12-13 23:10:28 +01:00
parent 597c73f334
commit c8ed103516
6 changed files with 40 additions and 3 deletions
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9
src/api-impl/android/graphics/Canvas.java
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@@ -201,7 +201,9 @@ public class Canvas {
* @param sx The amount to scale in X
* @param sy The amount to scale in Y
*/
public /*native*/ void scale(float sx, float sy) {/*used by gd*/}
public /*native*/ void scale(float sx, float sy) {
native_scale(skia_canvas, sx, sy);
}
/**
* Preconcat the current matrix with the specified scale.
@@ -213,9 +215,9 @@ public class Canvas {
*/
public final void scale(float sx, float sy, float px, float py) {
System.out.println("XXXXXXX scale(sx, sy, px, py)");
/*translate(px, py);
translate(px, py);
scale(sx, sy);
translate(-px, -py);*/
translate(-px, -py);
}
// ---
/**
@@ -504,4 +506,5 @@ public class Canvas {
private static native void native_rotate_and_translate(long skia_canvas, long widget, float angle, float tx, float ty);
private static native void native_drawPath(long skia_canvas, long path, long skia_paint);
private static native void native_destroy_canvas(long skia_canvas);
private static native void native_scale(long skia_canvas, float sx, float sy);
}

6
src/api-impl/android/graphics/GskCanvas.java
View File

@@ -94,6 +94,11 @@ public class GskCanvas extends Canvas {
native_drawRoundRect(snapshot, left, top, right, bottom, rx, ry, paint.getColor(), paint.getStrokeWidth(), paint.getStyle().nativeInt);
}
@Override
public void scale(float sx, float sy) {
native_scale(snapshot, sx, sy);
}
protected native void native_drawBitmap(long snapshot, long texture, int x, int y, int width, int height, int color);
protected native void native_drawRect(long snapshot, float left, float top, float right, float bottom, int color);
protected native void native_drawPath(long snapshot, long path, long paint);
@@ -104,4 +109,5 @@ public class GskCanvas extends Canvas {
protected native void native_drawLine(long snapshot, float startX, float startY, float stopX, float stopY, long paint);
protected native void native_drawText(long snapshot, String text, float x, float y, long paint, long font);
protected native void native_drawRoundRect(long snapshot, float left, float top, float right, float bottom, float rx, float ry, int color, float strokeWidth, int style);
protected native void native_scale(long snapshot, float sx, float sy);
}