| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.graphics; |
| |
| import com.android.ide.common.rendering.api.LayoutLog; |
| import com.android.layoutlib.bridge.Bridge; |
| import com.android.layoutlib.bridge.impl.DelegateManager; |
| import com.android.layoutlib.bridge.impl.GcSnapshot; |
| import com.android.tools.layoutlib.annotations.LayoutlibDelegate; |
| |
| import android.graphics.Bitmap.Config; |
| import android.graphics.Paint_Delegate.FontInfo; |
| import android.text.TextUtils; |
| |
| import java.awt.Color; |
| import java.awt.Composite; |
| import java.awt.Graphics2D; |
| import java.awt.Rectangle; |
| import java.awt.RenderingHints; |
| import java.awt.Shape; |
| import java.awt.geom.AffineTransform; |
| import java.awt.geom.Arc2D; |
| import java.awt.image.BufferedImage; |
| import java.util.List; |
| |
| |
| /** |
| * Delegate implementing the native methods of android.graphics.Canvas |
| * |
| * Through the layoutlib_create tool, the original native methods of Canvas have been replaced |
| * by calls to methods of the same name in this delegate class. |
| * |
| * This class behaves like the original native implementation, but in Java, keeping previously |
| * native data into its own objects and mapping them to int that are sent back and forth between |
| * it and the original Canvas class. |
| * |
| * @see DelegateManager |
| * |
| */ |
| public final class Canvas_Delegate { |
| |
| // ---- delegate manager ---- |
| private static final DelegateManager<Canvas_Delegate> sManager = |
| new DelegateManager<Canvas_Delegate>(Canvas_Delegate.class); |
| |
| // ---- delegate helper data ---- |
| |
| private final static boolean[] sBoolOut = new boolean[1]; |
| |
| // ---- delegate data ---- |
| private Bitmap_Delegate mBitmap; |
| private GcSnapshot mSnapshot; |
| |
| private DrawFilter_Delegate mDrawFilter = null; |
| |
| // ---- Public Helper methods ---- |
| |
| /** |
| * Returns the native delegate associated to a given {@link Canvas} object. |
| */ |
| public static Canvas_Delegate getDelegate(Canvas canvas) { |
| return sManager.getDelegate(canvas.mNativeCanvas); |
| } |
| |
| /** |
| * Returns the native delegate associated to a given an int referencing a {@link Canvas} object. |
| */ |
| public static Canvas_Delegate getDelegate(int native_canvas) { |
| return sManager.getDelegate(native_canvas); |
| } |
| |
| /** |
| * Returns the current {@link Graphics2D} used to draw. |
| */ |
| public GcSnapshot getSnapshot() { |
| return mSnapshot; |
| } |
| |
| /** |
| * Returns the {@link DrawFilter} delegate or null if none have been set. |
| * |
| * @return the delegate or null. |
| */ |
| public DrawFilter_Delegate getDrawFilter() { |
| return mDrawFilter; |
| } |
| |
| // ---- native methods ---- |
| |
| @LayoutlibDelegate |
| /*package*/ static boolean isOpaque(Canvas thisCanvas) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| if (canvasDelegate == null) { |
| return false; |
| } |
| |
| return canvasDelegate.mBitmap.getConfig() == Config.RGB_565; |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static int getWidth(Canvas thisCanvas) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| if (canvasDelegate == null) { |
| return 0; |
| } |
| |
| return canvasDelegate.mBitmap.getImage().getWidth(); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static int getHeight(Canvas thisCanvas) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| if (canvasDelegate == null) { |
| return 0; |
| } |
| |
| return canvasDelegate.mBitmap.getImage().getHeight(); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void translate(Canvas thisCanvas, float dx, float dy) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| canvasDelegate.getSnapshot().translate(dx, dy); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void rotate(Canvas thisCanvas, float degrees) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| canvasDelegate.getSnapshot().rotate(Math.toRadians(degrees)); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void scale(Canvas thisCanvas, float sx, float sy) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| canvasDelegate.getSnapshot().scale(sx, sy); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void skew(Canvas thisCanvas, float kx, float ky) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| // get the current top graphics2D object. |
| GcSnapshot g = canvasDelegate.getSnapshot(); |
| |
| // get its current matrix |
| AffineTransform currentTx = g.getTransform(); |
| // get the AffineTransform for the given skew. |
| float[] mtx = Matrix_Delegate.getSkew(kx, ky); |
| AffineTransform matrixTx = Matrix_Delegate.getAffineTransform(mtx); |
| |
| // combine them so that the given matrix is applied after. |
| currentTx.preConcatenate(matrixTx); |
| |
| // give it to the graphics2D as a new matrix replacing all previous transform |
| g.setTransform(currentTx); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static boolean clipRect(Canvas thisCanvas, RectF rect) { |
| return clipRect(thisCanvas, rect.left, rect.top, rect.right, rect.bottom); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static boolean clipRect(Canvas thisCanvas, Rect rect) { |
| return clipRect(thisCanvas, (float) rect.left, (float) rect.top, |
| (float) rect.right, (float) rect.bottom); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static boolean clipRect(Canvas thisCanvas, float left, float top, float right, |
| float bottom) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| if (canvasDelegate == null) { |
| return false; |
| } |
| |
| return canvasDelegate.clipRect(left, top, right, bottom, Region.Op.INTERSECT.nativeInt); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static boolean clipRect(Canvas thisCanvas, int left, int top, int right, |
| int bottom) { |
| |
| return clipRect(thisCanvas, (float) left, (float) top, (float) right, (float) bottom); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static int save(Canvas thisCanvas) { |
| return save(thisCanvas, Canvas.MATRIX_SAVE_FLAG | Canvas.CLIP_SAVE_FLAG); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static int save(Canvas thisCanvas, int saveFlags) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| if (canvasDelegate == null) { |
| return 0; |
| } |
| |
| return canvasDelegate.save(saveFlags); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void restore(Canvas thisCanvas) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| canvasDelegate.restore(); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static int getSaveCount(Canvas thisCanvas) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| if (canvasDelegate == null) { |
| return 0; |
| } |
| |
| return canvasDelegate.getSnapshot().size(); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void restoreToCount(Canvas thisCanvas, int saveCount) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(thisCanvas.mNativeCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| canvasDelegate.restoreTo(saveCount); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void drawPoints(Canvas thisCanvas, float[] pts, int offset, int count, |
| Paint paint) { |
| // FIXME |
| Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, |
| "Canvas.drawPoint is not supported.", null, null /*data*/); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void drawPoint(Canvas thisCanvas, float x, float y, Paint paint) { |
| // FIXME |
| Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, |
| "Canvas.drawPoint is not supported.", null, null /*data*/); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void drawLines(Canvas thisCanvas, |
| final float[] pts, final int offset, final int count, |
| Paint paint) { |
| draw(thisCanvas.mNativeCanvas, paint.mNativePaint, false /*compositeOnly*/, |
| false /*forceSrcMode*/, new GcSnapshot.Drawable() { |
| public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) { |
| for (int i = 0 ; i < count ; i += 4) { |
| graphics.drawLine((int)pts[i + offset], (int)pts[i + offset + 1], |
| (int)pts[i + offset + 2], (int)pts[i + offset + 3]); |
| } |
| } |
| }); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void freeCaches() { |
| // nothing to be done here. |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static int initRaster(int nativeBitmapOrZero) { |
| if (nativeBitmapOrZero > 0) { |
| // get the Bitmap from the int |
| Bitmap_Delegate bitmapDelegate = Bitmap_Delegate.getDelegate(nativeBitmapOrZero); |
| |
| // create a new Canvas_Delegate with the given bitmap and return its new native int. |
| Canvas_Delegate newDelegate = new Canvas_Delegate(bitmapDelegate); |
| |
| return sManager.addNewDelegate(newDelegate); |
| } |
| |
| // create a new Canvas_Delegate and return its new native int. |
| Canvas_Delegate newDelegate = new Canvas_Delegate(); |
| |
| return sManager.addNewDelegate(newDelegate); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_setBitmap(int nativeCanvas, int bitmap) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| // get the delegate from the native int. |
| Bitmap_Delegate bitmapDelegate = Bitmap_Delegate.getDelegate(bitmap); |
| if (bitmapDelegate == null) { |
| return; |
| } |
| |
| canvasDelegate.setBitmap(bitmapDelegate); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static int native_saveLayer(int nativeCanvas, RectF bounds, |
| int paint, int layerFlags) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| if (canvasDelegate == null) { |
| return 0; |
| } |
| |
| Paint_Delegate paintDelegate = Paint_Delegate.getDelegate(paint); |
| if (paintDelegate == null) { |
| return 0; |
| } |
| |
| return canvasDelegate.saveLayer(bounds, paintDelegate, layerFlags); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static int native_saveLayer(int nativeCanvas, float l, |
| float t, float r, float b, |
| int paint, int layerFlags) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| if (canvasDelegate == null) { |
| return 0; |
| } |
| |
| Paint_Delegate paintDelegate = Paint_Delegate.getDelegate(paint); |
| if (paintDelegate == null) { |
| return 0; |
| } |
| |
| return canvasDelegate.saveLayer(new RectF(l, t, r, b), |
| paintDelegate, layerFlags); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static int native_saveLayerAlpha(int nativeCanvas, |
| RectF bounds, int alpha, |
| int layerFlags) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| if (canvasDelegate == null) { |
| return 0; |
| } |
| |
| return canvasDelegate.saveLayerAlpha(bounds, alpha, layerFlags); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static int native_saveLayerAlpha(int nativeCanvas, float l, |
| float t, float r, float b, |
| int alpha, int layerFlags) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| if (canvasDelegate == null) { |
| return 0; |
| } |
| |
| return canvasDelegate.saveLayerAlpha(new RectF(l, t, r, b), alpha, layerFlags); |
| } |
| |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_concat(int nCanvas, int nMatrix) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| Matrix_Delegate matrixDelegate = Matrix_Delegate.getDelegate(nMatrix); |
| if (matrixDelegate == null) { |
| return; |
| } |
| |
| // get the current top graphics2D object. |
| GcSnapshot snapshot = canvasDelegate.getSnapshot(); |
| |
| // get its current matrix |
| AffineTransform currentTx = snapshot.getTransform(); |
| // get the AffineTransform of the given matrix |
| AffineTransform matrixTx = matrixDelegate.getAffineTransform(); |
| |
| // combine them so that the given matrix is applied after. |
| currentTx.concatenate(matrixTx); |
| |
| // give it to the graphics2D as a new matrix replacing all previous transform |
| snapshot.setTransform(currentTx); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_setMatrix(int nCanvas, int nMatrix) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| Matrix_Delegate matrixDelegate = Matrix_Delegate.getDelegate(nMatrix); |
| if (matrixDelegate == null) { |
| return; |
| } |
| |
| // get the current top graphics2D object. |
| GcSnapshot snapshot = canvasDelegate.getSnapshot(); |
| |
| // get the AffineTransform of the given matrix |
| AffineTransform matrixTx = matrixDelegate.getAffineTransform(); |
| |
| // give it to the graphics2D as a new matrix replacing all previous transform |
| snapshot.setTransform(matrixTx); |
| |
| if (matrixDelegate.hasPerspective()) { |
| assert false; |
| Bridge.getLog().fidelityWarning(LayoutLog.TAG_MATRIX_AFFINE, |
| "android.graphics.Canvas#setMatrix(android.graphics.Matrix) only " + |
| "supports affine transformations.", null, null /*data*/); |
| } |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static boolean native_clipRect(int nCanvas, |
| float left, float top, |
| float right, float bottom, |
| int regionOp) { |
| |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nCanvas); |
| if (canvasDelegate == null) { |
| return false; |
| } |
| |
| return canvasDelegate.clipRect(left, top, right, bottom, regionOp); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static boolean native_clipPath(int nativeCanvas, |
| int nativePath, |
| int regionOp) { |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| if (canvasDelegate == null) { |
| return true; |
| } |
| |
| Path_Delegate pathDelegate = Path_Delegate.getDelegate(nativePath); |
| if (pathDelegate == null) { |
| return true; |
| } |
| |
| return canvasDelegate.mSnapshot.clip(pathDelegate.getJavaShape(), regionOp); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static boolean native_clipRegion(int nativeCanvas, |
| int nativeRegion, |
| int regionOp) { |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| if (canvasDelegate == null) { |
| return true; |
| } |
| |
| Region_Delegate region = Region_Delegate.getDelegate(nativeRegion); |
| if (region == null) { |
| return true; |
| } |
| |
| return canvasDelegate.mSnapshot.clip(region.getJavaArea(), regionOp); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void nativeSetDrawFilter(int nativeCanvas, int nativeFilter) { |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| canvasDelegate.mDrawFilter = DrawFilter_Delegate.getDelegate(nativeFilter); |
| |
| if (canvasDelegate.mDrawFilter != null && |
| canvasDelegate.mDrawFilter.isSupported() == false) { |
| Bridge.getLog().fidelityWarning(LayoutLog.TAG_DRAWFILTER, |
| canvasDelegate.mDrawFilter.getSupportMessage(), null, null /*data*/); |
| } |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static boolean native_getClipBounds(int nativeCanvas, |
| Rect bounds) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| if (canvasDelegate == null) { |
| return false; |
| } |
| |
| Rectangle rect = canvasDelegate.getSnapshot().getClip().getBounds(); |
| if (rect != null && rect.isEmpty() == false) { |
| bounds.left = rect.x; |
| bounds.top = rect.y; |
| bounds.right = rect.x + rect.width; |
| bounds.bottom = rect.y + rect.height; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_getCTM(int canvas, int matrix) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(canvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| Matrix_Delegate matrixDelegate = Matrix_Delegate.getDelegate(matrix); |
| if (matrixDelegate == null) { |
| return; |
| } |
| |
| AffineTransform transform = canvasDelegate.getSnapshot().getTransform(); |
| matrixDelegate.set(Matrix_Delegate.makeValues(transform)); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static boolean native_quickReject(int nativeCanvas, |
| RectF rect, |
| int native_edgeType) { |
| // FIXME properly implement quickReject |
| return false; |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static boolean native_quickReject(int nativeCanvas, |
| int path, |
| int native_edgeType) { |
| // FIXME properly implement quickReject |
| return false; |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static boolean native_quickReject(int nativeCanvas, |
| float left, float top, |
| float right, float bottom, |
| int native_edgeType) { |
| // FIXME properly implement quickReject |
| return false; |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawRGB(int nativeCanvas, int r, int g, int b) { |
| native_drawColor(nativeCanvas, 0xFF000000 | r << 16 | (g&0xFF) << 8 | (b&0xFF), |
| PorterDuff.Mode.SRC_OVER.nativeInt); |
| |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawARGB(int nativeCanvas, int a, int r, int g, int b) { |
| native_drawColor(nativeCanvas, a << 24 | (r&0xFF) << 16 | (g&0xFF) << 8 | (b&0xFF), |
| PorterDuff.Mode.SRC_OVER.nativeInt); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawColor(int nativeCanvas, int color) { |
| native_drawColor(nativeCanvas, color, PorterDuff.Mode.SRC_OVER.nativeInt); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawColor(int nativeCanvas, final int color, final int mode) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| final int w = canvasDelegate.mBitmap.getImage().getWidth(); |
| final int h = canvasDelegate.mBitmap.getImage().getHeight(); |
| draw(nativeCanvas, new GcSnapshot.Drawable() { |
| |
| public void draw(Graphics2D graphics, Paint_Delegate paint) { |
| // reset its transform just in case |
| graphics.setTransform(new AffineTransform()); |
| |
| // set the color |
| graphics.setColor(new Color(color, true /*alpha*/)); |
| |
| Composite composite = PorterDuffXfermode_Delegate.getComposite( |
| PorterDuffXfermode_Delegate.getPorterDuffMode(mode), 0xFF); |
| if (composite != null) { |
| graphics.setComposite(composite); |
| } |
| |
| graphics.fillRect(0, 0, w, h); |
| } |
| }); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawPaint(int nativeCanvas, int paint) { |
| // FIXME |
| Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, |
| "Canvas.drawPaint is not supported.", null, null /*data*/); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawLine(int nativeCanvas, |
| final float startX, final float startY, final float stopX, final float stopY, |
| int paint) { |
| |
| draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/, |
| new GcSnapshot.Drawable() { |
| public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) { |
| graphics.drawLine((int)startX, (int)startY, (int)stopX, (int)stopY); |
| } |
| }); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawRect(int nativeCanvas, RectF rect, |
| int paint) { |
| native_drawRect(nativeCanvas, rect.left, rect.top, rect.right, rect.bottom, paint); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawRect(int nativeCanvas, |
| final float left, final float top, final float right, final float bottom, int paint) { |
| |
| draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/, |
| new GcSnapshot.Drawable() { |
| public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) { |
| int style = paintDelegate.getStyle(); |
| |
| // draw |
| if (style == Paint.Style.FILL.nativeInt || |
| style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| graphics.fillRect((int)left, (int)top, |
| (int)(right-left), (int)(bottom-top)); |
| } |
| |
| if (style == Paint.Style.STROKE.nativeInt || |
| style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| graphics.drawRect((int)left, (int)top, |
| (int)(right-left), (int)(bottom-top)); |
| } |
| } |
| }); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawOval(int nativeCanvas, final RectF oval, int paint) { |
| if (oval.right > oval.left && oval.bottom > oval.top) { |
| draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/, |
| new GcSnapshot.Drawable() { |
| public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) { |
| int style = paintDelegate.getStyle(); |
| |
| // draw |
| if (style == Paint.Style.FILL.nativeInt || |
| style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| graphics.fillOval((int)oval.left, (int)oval.top, |
| (int)oval.width(), (int)oval.height()); |
| } |
| |
| if (style == Paint.Style.STROKE.nativeInt || |
| style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| graphics.drawOval((int)oval.left, (int)oval.top, |
| (int)oval.width(), (int)oval.height()); |
| } |
| } |
| }); |
| } |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawCircle(int nativeCanvas, |
| float cx, float cy, float radius, int paint) { |
| native_drawOval(nativeCanvas, |
| new RectF(cx - radius, cy - radius, radius, radius), |
| paint); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawArc(int nativeCanvas, |
| final RectF oval, final float startAngle, final float sweep, |
| final boolean useCenter, int paint) { |
| if (oval.right > oval.left && oval.bottom > oval.top) { |
| draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/, |
| new GcSnapshot.Drawable() { |
| public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) { |
| int style = paintDelegate.getStyle(); |
| |
| Arc2D.Float arc = new Arc2D.Float( |
| oval.left, oval.top, oval.width(), oval.height(), |
| -startAngle, -sweep, |
| useCenter ? Arc2D.PIE : Arc2D.OPEN); |
| |
| // draw |
| if (style == Paint.Style.FILL.nativeInt || |
| style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| graphics.fill(arc); |
| } |
| |
| if (style == Paint.Style.STROKE.nativeInt || |
| style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| graphics.draw(arc); |
| } |
| } |
| }); |
| } |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawRoundRect(int nativeCanvas, |
| final RectF rect, final float rx, final float ry, int paint) { |
| |
| draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/, |
| new GcSnapshot.Drawable() { |
| public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) { |
| int style = paintDelegate.getStyle(); |
| |
| // draw |
| if (style == Paint.Style.FILL.nativeInt || |
| style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| graphics.fillRoundRect( |
| (int)rect.left, (int)rect.top, |
| (int)rect.width(), (int)rect.height(), |
| (int)rx, (int)ry); |
| } |
| |
| if (style == Paint.Style.STROKE.nativeInt || |
| style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| graphics.drawRoundRect( |
| (int)rect.left, (int)rect.top, |
| (int)rect.width(), (int)rect.height(), |
| (int)rx, (int)ry); |
| } |
| } |
| }); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawPath(int nativeCanvas, int path, int paint) { |
| final Path_Delegate pathDelegate = Path_Delegate.getDelegate(path); |
| if (pathDelegate == null) { |
| return; |
| } |
| |
| draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/, |
| new GcSnapshot.Drawable() { |
| public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) { |
| Shape shape = pathDelegate.getJavaShape(); |
| int style = paintDelegate.getStyle(); |
| |
| if (style == Paint.Style.FILL.nativeInt || |
| style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| graphics.fill(shape); |
| } |
| |
| if (style == Paint.Style.STROKE.nativeInt || |
| style == Paint.Style.FILL_AND_STROKE.nativeInt) { |
| graphics.draw(shape); |
| } |
| } |
| }); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawBitmap(Canvas thisCanvas, int nativeCanvas, int bitmap, |
| float left, float top, |
| int nativePaintOrZero, |
| int canvasDensity, |
| int screenDensity, |
| int bitmapDensity) { |
| // get the delegate from the native int. |
| Bitmap_Delegate bitmapDelegate = Bitmap_Delegate.getDelegate(bitmap); |
| if (bitmapDelegate == null) { |
| return; |
| } |
| |
| BufferedImage image = bitmapDelegate.getImage(); |
| float right = left + image.getWidth(); |
| float bottom = top + image.getHeight(); |
| |
| drawBitmap(nativeCanvas, bitmapDelegate, nativePaintOrZero, |
| 0, 0, image.getWidth(), image.getHeight(), |
| (int)left, (int)top, (int)right, (int)bottom); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawBitmap(Canvas thisCanvas, int nativeCanvas, int bitmap, |
| Rect src, RectF dst, |
| int nativePaintOrZero, |
| int screenDensity, |
| int bitmapDensity) { |
| // get the delegate from the native int. |
| Bitmap_Delegate bitmapDelegate = Bitmap_Delegate.getDelegate(bitmap); |
| if (bitmapDelegate == null) { |
| return; |
| } |
| |
| BufferedImage image = bitmapDelegate.getImage(); |
| |
| if (src == null) { |
| drawBitmap(nativeCanvas, bitmapDelegate, nativePaintOrZero, |
| 0, 0, image.getWidth(), image.getHeight(), |
| (int)dst.left, (int)dst.top, (int)dst.right, (int)dst.bottom); |
| } else { |
| drawBitmap(nativeCanvas, bitmapDelegate, nativePaintOrZero, |
| src.left, src.top, src.width(), src.height(), |
| (int)dst.left, (int)dst.top, (int)dst.right, (int)dst.bottom); |
| } |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawBitmap(int nativeCanvas, int bitmap, |
| Rect src, Rect dst, |
| int nativePaintOrZero, |
| int screenDensity, |
| int bitmapDensity) { |
| // get the delegate from the native int. |
| Bitmap_Delegate bitmapDelegate = Bitmap_Delegate.getDelegate(bitmap); |
| if (bitmapDelegate == null) { |
| return; |
| } |
| |
| BufferedImage image = bitmapDelegate.getImage(); |
| |
| if (src == null) { |
| drawBitmap(nativeCanvas, bitmapDelegate, nativePaintOrZero, |
| 0, 0, image.getWidth(), image.getHeight(), |
| dst.left, dst.top, dst.right, dst.bottom); |
| } else { |
| drawBitmap(nativeCanvas, bitmapDelegate, nativePaintOrZero, |
| src.left, src.top, src.width(), src.height(), |
| dst.left, dst.top, dst.right, dst.bottom); |
| } |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawBitmap(int nativeCanvas, int[] colors, |
| int offset, int stride, final float x, |
| final float y, int width, int height, |
| boolean hasAlpha, |
| int nativePaintOrZero) { |
| |
| // create a temp BufferedImage containing the content. |
| final BufferedImage image = new BufferedImage(width, height, |
| hasAlpha ? BufferedImage.TYPE_INT_ARGB : BufferedImage.TYPE_INT_RGB); |
| image.setRGB(0, 0, width, height, colors, offset, stride); |
| |
| draw(nativeCanvas, nativePaintOrZero, true /*compositeOnly*/, false /*forceSrcMode*/, |
| new GcSnapshot.Drawable() { |
| public void draw(Graphics2D graphics, Paint_Delegate paint) { |
| if (paint != null && paint.isFilterBitmap()) { |
| graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, |
| RenderingHints.VALUE_INTERPOLATION_BILINEAR); |
| } |
| |
| graphics.drawImage(image, (int) x, (int) y, null); |
| } |
| }); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void nativeDrawBitmapMatrix(int nCanvas, int nBitmap, |
| int nMatrix, int nPaint) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| // get the delegate from the native int, which can be null |
| Paint_Delegate paintDelegate = Paint_Delegate.getDelegate(nPaint); |
| |
| // get the delegate from the native int. |
| Bitmap_Delegate bitmapDelegate = Bitmap_Delegate.getDelegate(nBitmap); |
| if (bitmapDelegate == null) { |
| return; |
| } |
| |
| final BufferedImage image = getImageToDraw(bitmapDelegate, paintDelegate, sBoolOut); |
| |
| Matrix_Delegate matrixDelegate = Matrix_Delegate.getDelegate(nMatrix); |
| if (matrixDelegate == null) { |
| return; |
| } |
| |
| final AffineTransform mtx = matrixDelegate.getAffineTransform(); |
| |
| canvasDelegate.getSnapshot().draw(new GcSnapshot.Drawable() { |
| public void draw(Graphics2D graphics, Paint_Delegate paint) { |
| if (paint != null && paint.isFilterBitmap()) { |
| graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, |
| RenderingHints.VALUE_INTERPOLATION_BILINEAR); |
| } |
| |
| //FIXME add support for canvas, screen and bitmap densities. |
| graphics.drawImage(image, mtx, null); |
| } |
| }, paintDelegate, true /*compositeOnly*/, false /*forceSrcMode*/); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void nativeDrawBitmapMesh(int nCanvas, int nBitmap, |
| int meshWidth, int meshHeight, float[] verts, int vertOffset, int[] colors, |
| int colorOffset, int nPaint) { |
| // FIXME |
| Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, |
| "Canvas.drawBitmapMesh is not supported.", null, null /*data*/); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void nativeDrawVertices(int nCanvas, int mode, int n, |
| float[] verts, int vertOffset, |
| float[] texs, int texOffset, |
| int[] colors, int colorOffset, |
| short[] indices, int indexOffset, |
| int indexCount, int nPaint) { |
| // FIXME |
| Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, |
| "Canvas.drawVertices is not supported.", null, null /*data*/); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawText(int nativeCanvas, |
| final char[] text, final int index, final int count, |
| final float startX, final float startY, int flags, int paint) { |
| draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/, |
| new GcSnapshot.Drawable() { |
| public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) { |
| // WARNING: the logic in this method is similar to Paint_Delegate.measureText. |
| // Any change to this method should be reflected in Paint.measureText |
| // Paint.TextAlign indicates how the text is positioned relative to X. |
| // LEFT is the default and there's nothing to do. |
| float x = startX; |
| float y = startY; |
| if (paintDelegate.getTextAlign() != Paint.Align.LEFT.nativeInt) { |
| float m = paintDelegate.measureText(text, index, count); |
| if (paintDelegate.getTextAlign() == Paint.Align.CENTER.nativeInt) { |
| x -= m / 2; |
| } else if (paintDelegate.getTextAlign() == Paint.Align.RIGHT.nativeInt) { |
| x -= m; |
| } |
| } |
| |
| List<FontInfo> fonts = paintDelegate.getFonts(); |
| |
| if (fonts.size() > 0) { |
| FontInfo mainFont = fonts.get(0); |
| int i = index; |
| int lastIndex = index + count; |
| while (i < lastIndex) { |
| // always start with the main font. |
| int upTo = mainFont.mFont.canDisplayUpTo(text, i, lastIndex); |
| if (upTo == -1) { |
| // draw all the rest and exit. |
| graphics.setFont(mainFont.mFont); |
| graphics.drawChars(text, i, lastIndex - i, (int)x, (int)y); |
| return; |
| } else if (upTo > 0) { |
| // draw what's possible |
| graphics.setFont(mainFont.mFont); |
| graphics.drawChars(text, i, upTo - i, (int)x, (int)y); |
| |
| // compute the width that was drawn to increase x |
| x += mainFont.mMetrics.charsWidth(text, i, upTo - i); |
| |
| // move index to the first non displayed char. |
| i = upTo; |
| |
| // don't call continue at this point. Since it is certain the main font |
| // cannot display the font a index upTo (now ==i), we move on to the |
| // fallback fonts directly. |
| } |
| |
| // no char supported, attempt to read the next char(s) with the |
| // fallback font. In this case we only test the first character |
| // and then go back to test with the main font. |
| // Special test for 2-char characters. |
| boolean foundFont = false; |
| for (int f = 1 ; f < fonts.size() ; f++) { |
| FontInfo fontInfo = fonts.get(f); |
| |
| // need to check that the font can display the character. We test |
| // differently if the char is a high surrogate. |
| int charCount = Character.isHighSurrogate(text[i]) ? 2 : 1; |
| upTo = fontInfo.mFont.canDisplayUpTo(text, i, i + charCount); |
| if (upTo == -1) { |
| // draw that char |
| graphics.setFont(fontInfo.mFont); |
| graphics.drawChars(text, i, charCount, (int)x, (int)y); |
| |
| // update x |
| x += fontInfo.mMetrics.charsWidth(text, i, charCount); |
| |
| // update the index in the text, and move on |
| i += charCount; |
| foundFont = true; |
| break; |
| |
| } |
| } |
| |
| // in case no font can display the char, display it with the main font. |
| // (it'll put a square probably) |
| if (foundFont == false) { |
| int charCount = Character.isHighSurrogate(text[i]) ? 2 : 1; |
| |
| graphics.setFont(mainFont.mFont); |
| graphics.drawChars(text, i, charCount, (int)x, (int)y); |
| |
| // measure it to advance x |
| x += mainFont.mMetrics.charsWidth(text, i, charCount); |
| |
| // and move to the next chars. |
| i += charCount; |
| } |
| } |
| } |
| } |
| }); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawText(int nativeCanvas, String text, |
| int start, int end, float x, float y, int flags, int paint) { |
| int count = end - start; |
| char[] buffer = TemporaryBuffer.obtain(count); |
| TextUtils.getChars(text, start, end, buffer, 0); |
| |
| native_drawText(nativeCanvas, buffer, 0, count, x, y, flags, paint); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawTextRun(int nativeCanvas, String text, |
| int start, int end, int contextStart, int contextEnd, |
| float x, float y, int flags, int paint) { |
| int count = end - start; |
| char[] buffer = TemporaryBuffer.obtain(count); |
| TextUtils.getChars(text, start, end, buffer, 0); |
| |
| native_drawText(nativeCanvas, buffer, 0, count, x, y, flags, paint); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawTextRun(int nativeCanvas, char[] text, |
| int start, int count, int contextStart, int contextCount, |
| float x, float y, int flags, int paint) { |
| native_drawText(nativeCanvas, text, start, count, x, y, flags, paint); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawPosText(int nativeCanvas, |
| char[] text, int index, |
| int count, float[] pos, |
| int paint) { |
| // FIXME |
| Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, |
| "Canvas.drawPosText is not supported.", null, null /*data*/); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawPosText(int nativeCanvas, |
| String text, float[] pos, |
| int paint) { |
| // FIXME |
| Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, |
| "Canvas.drawPosText is not supported.", null, null /*data*/); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawTextOnPath(int nativeCanvas, |
| char[] text, int index, |
| int count, int path, |
| float hOffset, |
| float vOffset, int bidiFlags, |
| int paint) { |
| // FIXME |
| Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, |
| "Canvas.drawTextOnPath is not supported.", null, null /*data*/); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawTextOnPath(int nativeCanvas, |
| String text, int path, |
| float hOffset, |
| float vOffset, |
| int flags, int paint) { |
| // FIXME |
| Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, |
| "Canvas.drawTextOnPath is not supported.", null, null /*data*/); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void native_drawPicture(int nativeCanvas, |
| int nativePicture) { |
| // FIXME |
| Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, |
| "Canvas.drawPicture is not supported.", null, null /*data*/); |
| } |
| |
| @LayoutlibDelegate |
| /*package*/ static void finalizer(int nativeCanvas) { |
| // get the delegate from the native int so that it can be disposed. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| canvasDelegate.dispose(); |
| |
| // remove it from the manager. |
| sManager.removeJavaReferenceFor(nativeCanvas); |
| } |
| |
| // ---- Private delegate/helper methods ---- |
| |
| /** |
| * Executes a {@link GcSnapshot.Drawable} with a given canvas and paint. |
| * <p>Note that the drawable may actually be executed several times if there are |
| * layers involved (see {@link #saveLayer(RectF, int, int)}. |
| */ |
| private static void draw(int nCanvas, int nPaint, boolean compositeOnly, boolean forceSrcMode, |
| GcSnapshot.Drawable drawable) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| // get the paint which can be null if nPaint is 0; |
| Paint_Delegate paintDelegate = Paint_Delegate.getDelegate(nPaint); |
| |
| canvasDelegate.getSnapshot().draw(drawable, paintDelegate, compositeOnly, forceSrcMode); |
| } |
| |
| /** |
| * Executes a {@link GcSnapshot.Drawable} with a given canvas. No paint object will be provided |
| * to {@link GcSnapshot.Drawable#draw(Graphics2D, Paint_Delegate)}. |
| * <p>Note that the drawable may actually be executed several times if there are |
| * layers involved (see {@link #saveLayer(RectF, int, int)}. |
| */ |
| private static void draw(int nCanvas, GcSnapshot.Drawable drawable) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| canvasDelegate.mSnapshot.draw(drawable); |
| } |
| |
| private Canvas_Delegate(Bitmap_Delegate bitmap) { |
| mSnapshot = GcSnapshot.createDefaultSnapshot(mBitmap = bitmap); |
| } |
| |
| private Canvas_Delegate() { |
| mSnapshot = GcSnapshot.createDefaultSnapshot(null /*image*/); |
| } |
| |
| /** |
| * Disposes of the {@link Graphics2D} stack. |
| */ |
| private void dispose() { |
| mSnapshot.dispose(); |
| } |
| |
| private int save(int saveFlags) { |
| // get the current save count |
| int count = mSnapshot.size(); |
| |
| mSnapshot = mSnapshot.save(saveFlags); |
| |
| // return the old save count |
| return count; |
| } |
| |
| private int saveLayerAlpha(RectF rect, int alpha, int saveFlags) { |
| Paint_Delegate paint = new Paint_Delegate(); |
| paint.setAlpha(alpha); |
| return saveLayer(rect, paint, saveFlags); |
| } |
| |
| private int saveLayer(RectF rect, Paint_Delegate paint, int saveFlags) { |
| // get the current save count |
| int count = mSnapshot.size(); |
| |
| mSnapshot = mSnapshot.saveLayer(rect, paint, saveFlags); |
| |
| // return the old save count |
| return count; |
| } |
| |
| /** |
| * Restores the {@link GcSnapshot} to <var>saveCount</var> |
| * @param saveCount the saveCount |
| */ |
| private void restoreTo(int saveCount) { |
| mSnapshot = mSnapshot.restoreTo(saveCount); |
| } |
| |
| /** |
| * Restores the {@link GcSnapshot} to <var>saveCount</var> |
| * @param saveCount the saveCount |
| */ |
| private void restore() { |
| mSnapshot = mSnapshot.restore(); |
| } |
| |
| private boolean clipRect(float left, float top, float right, float bottom, int regionOp) { |
| return mSnapshot.clipRect(left, top, right, bottom, regionOp); |
| } |
| |
| private void setBitmap(Bitmap_Delegate bitmap) { |
| mBitmap = bitmap; |
| assert mSnapshot.size() == 1; |
| mSnapshot.setBitmap(mBitmap); |
| } |
| |
| private static void drawBitmap( |
| int nativeCanvas, |
| Bitmap_Delegate bitmap, |
| int nativePaintOrZero, |
| final int sleft, final int stop, final int sright, final int sbottom, |
| final int dleft, final int dtop, final int dright, final int dbottom) { |
| // get the delegate from the native int. |
| Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas); |
| if (canvasDelegate == null) { |
| return; |
| } |
| |
| // get the paint, which could be null if the int is 0 |
| Paint_Delegate paintDelegate = Paint_Delegate.getDelegate(nativePaintOrZero); |
| |
| final BufferedImage image = getImageToDraw(bitmap, paintDelegate, sBoolOut); |
| |
| draw(nativeCanvas, nativePaintOrZero, true /*compositeOnly*/, sBoolOut[0], |
| new GcSnapshot.Drawable() { |
| public void draw(Graphics2D graphics, Paint_Delegate paint) { |
| if (paint != null && paint.isFilterBitmap()) { |
| graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, |
| RenderingHints.VALUE_INTERPOLATION_BILINEAR); |
| } |
| |
| //FIXME add support for canvas, screen and bitmap densities. |
| graphics.drawImage(image, dleft, dtop, dright, dbottom, |
| sleft, stop, sright, sbottom, null); |
| } |
| }); |
| } |
| |
| |
| /** |
| * Returns a BufferedImage ready for drawing, based on the bitmap and paint delegate. |
| * The image returns, through a 1-size boolean array, whether the drawing code should |
| * use a SRC composite no matter what the paint says. |
| * |
| * @param bitmap the bitmap |
| * @param paint the paint that will be used to draw |
| * @param forceSrcMode whether the composite will have to be SRC |
| * @return the image to draw |
| */ |
| private static BufferedImage getImageToDraw(Bitmap_Delegate bitmap, Paint_Delegate paint, |
| boolean[] forceSrcMode) { |
| BufferedImage image = bitmap.getImage(); |
| forceSrcMode[0] = false; |
| |
| // if the bitmap config is alpha_8, then we erase all color value from it |
| // before drawing it. |
| if (bitmap.getConfig() == Bitmap.Config.ALPHA_8) { |
| fixAlpha8Bitmap(image); |
| } else if (bitmap.hasAlpha() == false) { |
| // hasAlpha is merely a rendering hint. There can in fact be alpha values |
| // in the bitmap but it should be ignored at drawing time. |
| // There is two ways to do this: |
| // - override the composite to be SRC. This can only be used if the composite |
| // was going to be SRC or SRC_OVER in the first place |
| // - Create a different bitmap to draw in which all the alpha channel values is set |
| // to 0xFF. |
| if (paint != null) { |
| Xfermode_Delegate xfermodeDelegate = paint.getXfermode(); |
| if (xfermodeDelegate instanceof PorterDuffXfermode_Delegate) { |
| PorterDuff.Mode mode = |
| ((PorterDuffXfermode_Delegate)xfermodeDelegate).getMode(); |
| |
| forceSrcMode[0] = mode == PorterDuff.Mode.SRC_OVER || |
| mode == PorterDuff.Mode.SRC; |
| } |
| } |
| |
| // if we can't force SRC mode, then create a temp bitmap of TYPE_RGB |
| if (forceSrcMode[0] == false) { |
| image = Bitmap_Delegate.createCopy(image, BufferedImage.TYPE_INT_RGB, 0xFF); |
| } |
| } |
| |
| return image; |
| } |
| |
| private static void fixAlpha8Bitmap(final BufferedImage image) { |
| int w = image.getWidth(); |
| int h = image.getHeight(); |
| int[] argb = new int[w * h]; |
| image.getRGB(0, 0, image.getWidth(), image.getHeight(), argb, 0, image.getWidth()); |
| |
| final int length = argb.length; |
| for (int i = 0 ; i < length; i++) { |
| argb[i] &= 0xFF000000; |
| } |
| image.setRGB(0, 0, w, h, argb, 0, w); |
| } |
| } |
| |
