Canvas: add drawLines

src/api-impl-jni/generated_headers/android_graphics_GskCanvas.h

@@ -73,6 +73,14 @@ JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1restore
 JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1drawLine
   (JNIEnv *, jobject, jlong, jfloat, jfloat, jfloat, jfloat, jlong);
 
+/*
+ * Class:     android_graphics_GskCanvas
+ * Method:    native_drawLines
+ * Signature: (J[FIIJ)V
+ */
+JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1drawLines
+  (JNIEnv *, jobject, jlong, jfloatArray, jint, jint, jlong);
+
 /*
  * Class:     android_graphics_GskCanvas
  * Method:    native_drawText

src/api-impl-jni/graphics/android_graphics_GskCanvas.c

@@ -82,6 +82,15 @@ JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1drawLine(JNIEnv *
 	gtk_snapshot_restore(snapshot);
 }
 
+JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1drawLines(JNIEnv *env, jclass this_class, jlong snapshot_ptr, jfloatArray points_arr, jint offset, jint count, jlong paint_ptr)
+{
+	jfloat *points = (*env)->GetFloatArrayElements(env, points_arr, NULL);
+	for(int i = offset; i < count; i++)
+		Java_android_graphics_GskCanvas_native_1drawLine(env, this_class, snapshot_ptr, points[i + 0], points[i + 1], points[i + 2], points[i + 3], paint_ptr);
+	(*env)->ReleaseFloatArrayElements(env, points_arr, points, 0);
+}
+
+
 extern GtkWidget *window;
 
 JNIEXPORT void JNICALL Java_android_graphics_GskCanvas_native_1drawText(JNIEnv *env, jclass this_class, jlong snapshot_ptr, jstring text, jfloat x, jfloat y, jlong paint_ptr)

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

@@ -378,6 +378,15 @@ public class Canvas {
 		gsk_canvas.drawLine(startX, startY, stopX, stopY, paint);
 	}
 
+	public void drawLines(float[] points, Paint paint) {
+		drawLines(points, 0, points.length, paint);
+	}
+
+	public void drawLines(float[] points, int offset, int count, Paint paint) {
+		gsk_canvas.snapshot = bitmap.getSnapshot();
+		gsk_canvas.drawLines(points, offset, count, paint);
+	}
+
 	public void setBitmap(Bitmap bitmap) {
 		if (bitmap != null && !bitmap.isMutable()) {
 			throw new IllegalStateException("Bitmap must be mutable");

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

@@ -78,6 +78,18 @@ public class GskCanvas extends Canvas {
 		native_drawLine(snapshot, startX, startY, stopX, stopY, paint != null ? paint.paint : default_paint.paint);
 	}
 
+	@Override
+	public void drawLines(float[] points, Paint paint) {
+		drawLines(points, 0, points.length, paint);
+	}
+
+	@Override
+	public void drawLines(float[] points, int offset, int count, Paint paint) {
+		if (offset + count < 0 /* overflow */ || offset + count > points.length)
+			throw new IndexOutOfBoundsException();
+		native_drawLines(snapshot, points, offset, count, paint != null ? paint.paint : default_paint.paint);
+	}
+
 	@Override
 	public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) {
 		Rect src = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
@@ -122,6 +134,7 @@ public class GskCanvas extends Canvas {
 	protected native void native_save(long snapshot);
 	protected native void native_restore(long snapshot);
 	protected native void native_drawLine(long snapshot, float startX, float startY, float stopX, float stopY, long paint);
+	protected native void native_drawLines(long snapshot, float[] points, int offset, int count, long paint);
 	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);