Canvas: add more Bitmap drawing methods

src/api-impl/android/graphics/BitmapShader.java

@@ -2,7 +2,11 @@ package android.graphics;
 
 public class BitmapShader extends Shader {
 
-	public BitmapShader(Bitmap bitmap, TileMode tileX, TileMode tileY) {}
+	Bitmap bitmap;
+
+	public BitmapShader(Bitmap bitmap, TileMode tileX, TileMode tileY) {
+		this.bitmap = bitmap;
+	}
 
 	public void setLocalMatrix(Matrix matrix) {}
 }

src/api-impl/android/graphics/Canvas.java

@@ -356,7 +356,8 @@ public class Canvas {
 	 * @param paint  May be null. The paint used to draw the bitmap
 	 */
 	public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) {
-			System.out.println("XXXXXXX bitmap(bitmap, matrix, paint)");
+		gsk_canvas.snapshot = this.bitmap.getSnapshot();
+		gsk_canvas.drawBitmap(bitmap, matrix, paint);
 		/*       nativeDrawBitmapMatrix(mNativeCanvas, bitmap.ni(), matrix.ni(),
 			       paint != null ? paint.mNativePaint : 0);*/
 	}
@@ -380,7 +381,7 @@ public class Canvas {
 
 	public void setBitmap(Bitmap bitmap) {
 		this.bitmap = bitmap;
-		gsk_canvas.snapshot = bitmap.getSnapshot();
+		gsk_canvas.snapshot = bitmap == null ? 0 : bitmap.getSnapshot();
 	}
 
 	public void drawPath(Path path, Paint paint) {
@@ -394,7 +395,12 @@ public class Canvas {
 
 	public void restoreToCount(int count) {}
 
-	public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) {}
+	public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) {
+		if (paint.getShader() instanceof BitmapShader) {
+			BitmapShader shader = (BitmapShader)paint.getShader();
+			drawBitmap(shader.bitmap, 0, 0, paint);
+		}
+	}
 
 	public void getMatrix(Matrix matrix) {
 		matrix.reset();

src/api-impl/android/graphics/GskCanvas.java

@@ -87,6 +87,15 @@ public class GskCanvas extends Canvas {
 		drawBitmap(bitmap, src, new Rect((int)dst.left, (int)dst.top, (int)dst.right, (int)dst.bottom), paint);
 	}
 
+	@Override
+	public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) {
+		save();
+		concat(matrix);
+		drawBitmap(bitmap, 0, 0, paint);
+		restore();
+
+	}
+
 	@Override
 	public void drawRoundRect(float left, float top, float right, float bottom, float rx, float ry, Paint paint) {
 		native_drawRoundRect(snapshot, left, top, right, bottom, rx, ry, paint != null ? paint.paint : default_paint.paint);
@@ -97,6 +106,11 @@ public class GskCanvas extends Canvas {
 		native_scale(snapshot, sx, sy);
 	}
 
+	@Override
+	public void concat(Matrix matrix) {
+		native_concat(snapshot, matrix.native_instance);
+	}
+
 	protected native void native_drawBitmap(long snapshot, long texture, int x, int y, int width, int height, long paint);
 	protected native void native_drawRect(long snapshot, float left, float top, float right, float bottom, long paint);
 	protected native void native_drawPath(long snapshot, long path, long paint);
@@ -108,4 +122,5 @@ public class GskCanvas extends Canvas {
 	protected native void native_drawText(long snapshot, String text, float x, float y, long paint);
 	protected native void native_drawRoundRect(long snapshot, float left, float top, float right, float bottom, float rx, float ry, long paint);
 	protected native void native_scale(long snapshot, float sx, float sy);
+	protected native void native_concat(long snapshot, long matrix);
 }

src/api-impl/android/graphics/Paint.java

@@ -19,6 +19,7 @@ public class Paint {
 
 	long paint;   // native paint
 	private Xfermode xfermode;
+	private Shader shader;
 
 	public Paint() {
 		paint = native_create();
@@ -100,7 +101,10 @@ public class Paint {
 		return colorFilter;
 	}
 
-	public Shader setShader(Shader shader) { return shader; }
+	public Shader setShader(Shader shader) {
+		this.shader = shader;
+		return shader;
+	}
 
 	public enum Style {
 		/**
@@ -268,7 +272,7 @@ public class Paint {
 	public void setTextAlign(Align align) {}
 
 	public Shader getShader() {
-		return new Shader();
+		return shader;
 	}
 
 	public PathEffect getPathEffect() {