Merge "Added function to render a drawable in all available states" into lmp-mr1-dev (4b125836) · Commits · e / os / android_frameworks_base

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -181,7 +181,7 @@ public final class Bridge extends com.android.ide.common.rendering.api.Bridge {
		*/
		private static LayoutLog sCurrentLog = sDefaultLog;

		private static final int LAST_SUPPORTED_FEATURE = Features.PREFERENCES_RENDERING;
		private static final int LAST_SUPPORTED_FEATURE = Features.RENDER_ALL_DRAWABLE_STATES;

		@Override
		public int getApiLevel() {

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderDrawable.java

+55 −5

Original line number	Diff line number	Diff line
		@@ -22,12 +22,14 @@ import com.android.ide.common.rendering.api.ResourceValue;
		import com.android.ide.common.rendering.api.Result;
		import com.android.ide.common.rendering.api.Result.Status;
		import com.android.layoutlib.bridge.android.BridgeContext;
		import com.android.layoutlib.bridge.android.RenderParamsFlags;
		import com.android.resources.ResourceType;

		import android.graphics.Bitmap;
		import android.graphics.Bitmap_Delegate;
		import android.graphics.Canvas;
		import android.graphics.drawable.Drawable;
		import android.graphics.drawable.StateListDrawable;
		import android.view.AttachInfo_Accessor;
		import android.view.View.MeasureSpec;
		import android.widget.FrameLayout;
		@@ -37,6 +39,10 @@ import java.awt.Color;
		import java.awt.Graphics2D;
		import java.awt.image.BufferedImage;

		import java.util.ArrayList;
		import java.util.Collections;
		import java.util.List;

		/**
		* Action to render a given Drawable provided through {@link DrawableParams#getDrawable()}.
		*
		@@ -68,11 +74,37 @@ public class RenderDrawable extends RenderAction<DrawableParams> {
		return Status.ERROR_NOT_A_DRAWABLE.createResult();
		}

		Drawable d = ResourceHelper.getDrawable(drawableResource, context);

		final Boolean allStates =
		params.getFlag(RenderParamsFlags.FLAG_KEY_RENDER_ALL_DRAWABLE_STATES);
		if (allStates == Boolean.TRUE) {
		final List<BufferedImage> result;

		if (d instanceof StateListDrawable) {
		result = new ArrayList<BufferedImage>();
		final StateListDrawable stateList = (StateListDrawable) d;
		for (int i = 0; i < stateList.getStateCount(); i++) {
		final Drawable stateDrawable = stateList.getStateDrawable(i);
		result.add(renderImage(hardwareConfig, stateDrawable, context));
		}
		} else {
		result = Collections.singletonList(renderImage(hardwareConfig, d, context));
		}

		return Status.SUCCESS.createResult(result);
		} else {
		BufferedImage image = renderImage(hardwareConfig, d, context);
		return Status.SUCCESS.createResult(image);
		}
		}

		private BufferedImage renderImage(HardwareConfig hardwareConfig, Drawable d,
		BridgeContext context) {
		// create a simple FrameLayout
		FrameLayout content = new FrameLayout(context);

		// get the actual Drawable object to draw
		Drawable d = ResourceHelper.getDrawable(drawableResource, context);
		content.setBackground(d);

		// set the AttachInfo on the root view.
		@@ -80,8 +112,27 @@ public class RenderDrawable extends RenderAction<DrawableParams> {


		// measure
		int w = hardwareConfig.getScreenWidth();
		int h = hardwareConfig.getScreenHeight();
		int w = d.getIntrinsicWidth();
		int h = d.getIntrinsicHeight();

		final int screenWidth = hardwareConfig.getScreenWidth();
		final int screenHeight = hardwareConfig.getScreenHeight();

		if (w == -1 \|\| h == -1) {
		// Use screen size when either intrinsic width or height isn't available
		w = screenWidth;
		h = screenHeight;
		} else if (w > screenWidth \|\| h > screenHeight) {
		// If image wouldn't fit to the screen, resize it to avoid cropping.

		// We need to find scale such that scale * w <= screenWidth, scale * h <= screenHeight
		double scale = Math.min((double) screenWidth / w, (double) screenHeight / h);

		// scale * w / scale * h = w / h, so, proportions are preserved.
		w = (int) Math.floor(scale * w);
		h = (int) Math.floor(scale * h);
		}

		int w_spec = MeasureSpec.makeMeasureSpec(w, MeasureSpec.EXACTLY);
		int h_spec = MeasureSpec.makeMeasureSpec(h, MeasureSpec.EXACTLY);
		content.measure(w_spec, h_spec);
		@@ -105,8 +156,7 @@ public class RenderDrawable extends RenderAction<DrawableParams> {

		// and draw
		content.draw(canvas);

		return Status.SUCCESS.createResult(image);
		return image;
		}

		protected BufferedImage getImage(int w, int h) {