| /* |
| * 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.view; |
| |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.ColorFilter; |
| import android.graphics.DrawFilter; |
| import android.graphics.Matrix; |
| import android.graphics.Paint; |
| import android.graphics.Path; |
| import android.graphics.Picture; |
| import android.graphics.PorterDuff; |
| import android.graphics.Rect; |
| import android.graphics.RectF; |
| import android.graphics.Region; |
| import android.graphics.Shader; |
| import android.graphics.SurfaceTexture; |
| import android.graphics.TemporaryBuffer; |
| import android.text.GraphicsOperations; |
| import android.text.SpannableString; |
| import android.text.SpannedString; |
| import android.text.TextUtils; |
| |
| /** |
| * An implementation of Canvas on top of OpenGL ES 2.0. |
| */ |
| class GLES20Canvas extends HardwareCanvas { |
| // Must match modifiers used in the JNI layer |
| private static final int MODIFIER_NONE = 0; |
| private static final int MODIFIER_SHADOW = 1; |
| private static final int MODIFIER_SHADER = 2; |
| private static final int MODIFIER_COLOR_FILTER = 4; |
| |
| private final boolean mOpaque; |
| private int mRenderer; |
| |
| // The native renderer will be destroyed when this object dies. |
| // DO NOT overwrite this reference once it is set. |
| private CanvasFinalizer mFinalizer; |
| |
| private int mWidth; |
| private int mHeight; |
| |
| private final float[] mPoint = new float[2]; |
| private final float[] mLine = new float[4]; |
| |
| private final Rect mClipBounds = new Rect(); |
| |
| private DrawFilter mFilter; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // JNI |
| /////////////////////////////////////////////////////////////////////////// |
| |
| private static native boolean nIsAvailable(); |
| private static boolean sIsAvailable = nIsAvailable(); |
| |
| static boolean isAvailable() { |
| return sIsAvailable; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Constructors |
| /////////////////////////////////////////////////////////////////////////// |
| |
| /** |
| * Creates a canvas to render directly on screen. |
| */ |
| GLES20Canvas(boolean translucent) { |
| this(false, translucent); |
| } |
| |
| /** |
| * Creates a canvas to render into an FBO. |
| */ |
| GLES20Canvas(int layer, boolean translucent) { |
| mOpaque = !translucent; |
| mRenderer = nCreateLayerRenderer(layer); |
| setupFinalizer(); |
| } |
| |
| protected GLES20Canvas(boolean record, boolean translucent) { |
| mOpaque = !translucent; |
| |
| setupRenderer(record); |
| } |
| |
| protected void setupRenderer(boolean record) { |
| if (record) { |
| mRenderer = nGetDisplayListRenderer(mRenderer); |
| } else { |
| mRenderer = nCreateRenderer(); |
| } |
| |
| setupFinalizer(); |
| } |
| |
| private void setupFinalizer() { |
| if (mRenderer == 0) { |
| throw new IllegalStateException("Could not create GLES20Canvas renderer"); |
| } else { |
| mFinalizer = CanvasFinalizer.getFinalizer(mFinalizer, mRenderer); |
| } |
| } |
| |
| private static native int nCreateRenderer(); |
| private static native int nCreateLayerRenderer(int layer); |
| private static native int nGetDisplayListRenderer(int renderer); |
| private static native void nDestroyRenderer(int renderer); |
| |
| private static class CanvasFinalizer { |
| int mRenderer; |
| |
| // Factory method returns new instance if old one is null, or old instance |
| // otherwise, destroying native renderer along the way as necessary |
| static CanvasFinalizer getFinalizer(CanvasFinalizer oldFinalizer, int renderer) { |
| if (oldFinalizer == null) { |
| return new CanvasFinalizer(renderer); |
| } |
| oldFinalizer.replaceNativeObject(renderer); |
| return oldFinalizer; |
| } |
| |
| private CanvasFinalizer(int renderer) { |
| mRenderer = renderer; |
| } |
| |
| private void replaceNativeObject(int newRenderer) { |
| if (mRenderer != 0 && newRenderer != mRenderer) { |
| nDestroyRenderer(mRenderer); |
| } |
| mRenderer = newRenderer; |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| replaceNativeObject(0); |
| } finally { |
| super.finalize(); |
| } |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Hardware layers |
| /////////////////////////////////////////////////////////////////////////// |
| |
| static native int nCreateTextureLayer(boolean opaque, int[] layerInfo); |
| static native int nCreateLayer(int width, int height, boolean isOpaque, int[] layerInfo); |
| static native void nResizeLayer(int layerId, int width, int height, int[] layerInfo); |
| static native void nUpdateTextureLayer(int layerId, int width, int height, boolean opaque, |
| SurfaceTexture surface); |
| static native void nDestroyLayer(int layerId); |
| static native void nDestroyLayerDeferred(int layerId); |
| static native boolean nCopyLayer(int layerId, int bitmap); |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Canvas management |
| /////////////////////////////////////////////////////////////////////////// |
| |
| @Override |
| public boolean isOpaque() { |
| return mOpaque; |
| } |
| |
| @Override |
| public int getWidth() { |
| return mWidth; |
| } |
| |
| @Override |
| public int getHeight() { |
| return mHeight; |
| } |
| |
| @Override |
| public int getMaximumBitmapWidth() { |
| return nGetMaximumTextureWidth(); |
| } |
| |
| @Override |
| public int getMaximumBitmapHeight() { |
| return nGetMaximumTextureHeight(); |
| } |
| |
| private static native int nGetMaximumTextureWidth(); |
| private static native int nGetMaximumTextureHeight(); |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Setup |
| /////////////////////////////////////////////////////////////////////////// |
| |
| @Override |
| public void setViewport(int width, int height) { |
| mWidth = width; |
| mHeight = height; |
| |
| nSetViewport(mRenderer, width, height); |
| } |
| |
| private static native void nSetViewport(int renderer, int width, int height); |
| |
| /** |
| * Preserves the back buffer of the current surface after a buffer swap. |
| * Calling this method sets the EGL_SWAP_BEHAVIOR attribute of the current |
| * surface to EGL_BUFFER_PRESERVED. Calling this method requires an EGL |
| * config that supports EGL_SWAP_BEHAVIOR_PRESERVED_BIT. |
| * |
| * @return True if the swap behavior was successfully changed, |
| * false otherwise. |
| * |
| * @hide |
| */ |
| public static boolean preserveBackBuffer() { |
| return nPreserveBackBuffer(); |
| } |
| |
| private static native boolean nPreserveBackBuffer(); |
| |
| /** |
| * Indicates whether the current surface preserves its back buffer |
| * after a buffer swap. |
| * |
| * @return True, if the surface's EGL_SWAP_BEHAVIOR is EGL_BUFFER_PRESERVED, |
| * false otherwise |
| * |
| * @hide |
| */ |
| public static boolean isBackBufferPreserved() { |
| return nIsBackBufferPreserved(); |
| } |
| |
| private static native boolean nIsBackBufferPreserved(); |
| |
| @Override |
| void onPreDraw(Rect dirty) { |
| if (dirty != null) { |
| nPrepareDirty(mRenderer, dirty.left, dirty.top, dirty.right, dirty.bottom, mOpaque); |
| } else { |
| nPrepare(mRenderer, mOpaque); |
| } |
| } |
| |
| private static native void nPrepare(int renderer, boolean opaque); |
| private static native void nPrepareDirty(int renderer, int left, int top, int right, int bottom, |
| boolean opaque); |
| |
| @Override |
| void onPostDraw() { |
| nFinish(mRenderer); |
| } |
| |
| private static native void nFinish(int renderer); |
| |
| @Override |
| public boolean callDrawGLFunction(int drawGLFunction) { |
| return nCallDrawGLFunction(mRenderer, drawGLFunction); |
| } |
| |
| private static native boolean nCallDrawGLFunction(int renderer, int drawGLFunction); |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Display list |
| /////////////////////////////////////////////////////////////////////////// |
| |
| int getDisplayList() { |
| return nGetDisplayList(mRenderer); |
| } |
| |
| private static native int nGetDisplayList(int renderer); |
| |
| static void destroyDisplayList(int displayList) { |
| nDestroyDisplayList(displayList); |
| } |
| |
| private static native void nDestroyDisplayList(int displayList); |
| |
| @Override |
| public boolean drawDisplayList(DisplayList displayList, int width, int height, Rect dirty) { |
| return nDrawDisplayList(mRenderer, |
| ((GLES20DisplayList) displayList).mNativeDisplayList, width, height, dirty); |
| } |
| |
| private static native boolean nDrawDisplayList(int renderer, int displayList, |
| int width, int height, Rect dirty); |
| |
| @Override |
| void outputDisplayList(DisplayList displayList) { |
| nOutputDisplayList(mRenderer, ((GLES20DisplayList) displayList).mNativeDisplayList); |
| } |
| |
| private static native void nOutputDisplayList(int renderer, int displayList); |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Hardware layer |
| /////////////////////////////////////////////////////////////////////////// |
| |
| void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) { |
| final GLES20Layer glLayer = (GLES20Layer) layer; |
| int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; |
| final int nativePaint = paint == null ? 0 : paint.mNativePaint; |
| nDrawLayer(mRenderer, glLayer.getLayer(), x, y, nativePaint); |
| if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); |
| } |
| |
| private static native void nDrawLayer(int renderer, int layer, float x, float y, int paint); |
| |
| void interrupt() { |
| nInterrupt(mRenderer); |
| } |
| |
| void resume() { |
| nResume(mRenderer); |
| } |
| |
| private static native void nInterrupt(int renderer); |
| private static native void nResume(int renderer); |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Clipping |
| /////////////////////////////////////////////////////////////////////////// |
| |
| @Override |
| public boolean clipPath(Path path) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public boolean clipPath(Path path, Region.Op op) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public boolean clipRect(float left, float top, float right, float bottom) { |
| return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); |
| } |
| |
| private static native boolean nClipRect(int renderer, float left, float top, |
| float right, float bottom, int op); |
| |
| @Override |
| public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) { |
| return nClipRect(mRenderer, left, top, right, bottom, op.nativeInt); |
| } |
| |
| @Override |
| public boolean clipRect(int left, int top, int right, int bottom) { |
| return nClipRect(mRenderer, left, top, right, bottom, Region.Op.INTERSECT.nativeInt); |
| } |
| |
| private static native boolean nClipRect(int renderer, int left, int top, int right, int bottom, |
| int op); |
| |
| @Override |
| public boolean clipRect(Rect rect) { |
| return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, |
| Region.Op.INTERSECT.nativeInt); |
| } |
| |
| @Override |
| public boolean clipRect(Rect rect, Region.Op op) { |
| return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); |
| } |
| |
| @Override |
| public boolean clipRect(RectF rect) { |
| return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, |
| Region.Op.INTERSECT.nativeInt); |
| } |
| |
| @Override |
| public boolean clipRect(RectF rect, Region.Op op) { |
| return nClipRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, op.nativeInt); |
| } |
| |
| @Override |
| public boolean clipRegion(Region region) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public boolean clipRegion(Region region, Region.Op op) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public boolean getClipBounds(Rect bounds) { |
| return nGetClipBounds(mRenderer, bounds); |
| } |
| |
| private static native boolean nGetClipBounds(int renderer, Rect bounds); |
| |
| @Override |
| public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) { |
| return nQuickReject(mRenderer, left, top, right, bottom, type.nativeInt); |
| } |
| |
| private static native boolean nQuickReject(int renderer, float left, float top, |
| float right, float bottom, int edge); |
| |
| @Override |
| public boolean quickReject(Path path, EdgeType type) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public boolean quickReject(RectF rect, EdgeType type) { |
| return quickReject(rect.left, rect.top, rect.right, rect.bottom, type); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Transformations |
| /////////////////////////////////////////////////////////////////////////// |
| |
| @Override |
| public void translate(float dx, float dy) { |
| if (dx != 0.0f || dy != 0.0f) nTranslate(mRenderer, dx, dy); |
| } |
| |
| private static native void nTranslate(int renderer, float dx, float dy); |
| |
| @Override |
| public void skew(float sx, float sy) { |
| nSkew(mRenderer, sx, sy); |
| } |
| |
| private static native void nSkew(int renderer, float sx, float sy); |
| |
| @Override |
| public void rotate(float degrees) { |
| nRotate(mRenderer, degrees); |
| } |
| |
| private static native void nRotate(int renderer, float degrees); |
| |
| @Override |
| public void scale(float sx, float sy) { |
| nScale(mRenderer, sx, sy); |
| } |
| |
| private static native void nScale(int renderer, float sx, float sy); |
| |
| @Override |
| public void setMatrix(Matrix matrix) { |
| nSetMatrix(mRenderer, matrix.native_instance); |
| } |
| |
| private static native void nSetMatrix(int renderer, int matrix); |
| |
| @Override |
| public int getNativeMatrix() { |
| return nGetMatrix(mRenderer); |
| } |
| |
| private static native int nGetMatrix(int renderer); |
| |
| @Override |
| public void getMatrix(Matrix matrix) { |
| nGetMatrix(mRenderer, matrix.native_instance); |
| } |
| |
| private static native void nGetMatrix(int renderer, int matrix); |
| |
| @Override |
| public void concat(Matrix matrix) { |
| nConcatMatrix(mRenderer, matrix.native_instance); |
| } |
| |
| private static native void nConcatMatrix(int renderer, int matrix); |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // State management |
| /////////////////////////////////////////////////////////////////////////// |
| |
| @Override |
| public int save() { |
| return nSave(mRenderer, Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG); |
| } |
| |
| @Override |
| public int save(int saveFlags) { |
| return nSave(mRenderer, saveFlags); |
| } |
| |
| private static native int nSave(int renderer, int flags); |
| |
| @Override |
| public int saveLayer(RectF bounds, Paint paint, int saveFlags) { |
| return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags); |
| } |
| |
| @Override |
| public int saveLayer(float left, float top, float right, float bottom, Paint paint, |
| int saveFlags) { |
| if (left < right && top < bottom) { |
| int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; |
| final int nativePaint = paint == null ? 0 : paint.mNativePaint; |
| int count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags); |
| if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); |
| return count; |
| } |
| return save(saveFlags); |
| } |
| |
| private static native int nSaveLayer(int renderer, float left, float top, |
| float right, float bottom, int paint, int saveFlags); |
| |
| @Override |
| public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) { |
| return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, |
| alpha, saveFlags); |
| } |
| |
| @Override |
| public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha, |
| int saveFlags) { |
| if (left < right && top < bottom) { |
| return nSaveLayerAlpha(mRenderer, left, top, right, bottom, alpha, saveFlags); |
| } |
| return save(saveFlags); |
| } |
| |
| private static native int nSaveLayerAlpha(int renderer, float left, float top, float right, |
| float bottom, int alpha, int saveFlags); |
| |
| @Override |
| public void restore() { |
| nRestore(mRenderer); |
| } |
| |
| private static native void nRestore(int renderer); |
| |
| @Override |
| public void restoreToCount(int saveCount) { |
| nRestoreToCount(mRenderer, saveCount); |
| } |
| |
| private static native void nRestoreToCount(int renderer, int saveCount); |
| |
| @Override |
| public int getSaveCount() { |
| return nGetSaveCount(mRenderer); |
| } |
| |
| private static native int nGetSaveCount(int renderer); |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Filtering |
| /////////////////////////////////////////////////////////////////////////// |
| |
| @Override |
| public void setDrawFilter(DrawFilter filter) { |
| mFilter = filter; |
| } |
| |
| @Override |
| public DrawFilter getDrawFilter() { |
| return mFilter; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // Drawing |
| /////////////////////////////////////////////////////////////////////////// |
| |
| @Override |
| public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter, |
| Paint paint) { |
| int modifiers = setupModifiers(paint); |
| nDrawArc(mRenderer, oval.left, oval.top, oval.right, oval.bottom, startAngle, sweepAngle, |
| useCenter, paint.mNativePaint); |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| private static native void nDrawArc(int renderer, float left, float top, |
| float right, float bottom, float startAngle, float sweepAngle, |
| boolean useCenter, int paint); |
| |
| @Override |
| public void drawARGB(int a, int r, int g, int b) { |
| drawColor((a & 0xFF) << 24 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); |
| } |
| |
| @Override |
| public void drawPatch(Bitmap bitmap, byte[] chunks, RectF dst, Paint paint) { |
| // Shaders are ignored when drawing patches |
| int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; |
| final int nativePaint = paint == null ? 0 : paint.mNativePaint; |
| nDrawPatch(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, chunks, |
| dst.left, dst.top, dst.right, dst.bottom, nativePaint); |
| if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); |
| } |
| |
| private static native void nDrawPatch(int renderer, int bitmap, byte[] buffer, byte[] chunks, |
| float left, float top, float right, float bottom, int paint); |
| |
| @Override |
| public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) { |
| // Shaders are ignored when drawing bitmaps |
| int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; |
| final int nativePaint = paint == null ? 0 : paint.mNativePaint; |
| nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, nativePaint); |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| private static native void nDrawBitmap( |
| int renderer, int bitmap, byte[] buffer, float left, float top, int paint); |
| |
| @Override |
| public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) { |
| // Shaders are ignored when drawing bitmaps |
| int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; |
| final int nativePaint = paint == null ? 0 : paint.mNativePaint; |
| nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, |
| matrix.native_instance, nativePaint); |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| private static native void nDrawBitmap(int renderer, int bitmap, byte[] buff, |
| int matrix, int paint); |
| |
| @Override |
| public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) { |
| // Shaders are ignored when drawing bitmaps |
| int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; |
| final int nativePaint = paint == null ? 0 : paint.mNativePaint; |
| |
| int left, top, right, bottom; |
| if (src == null) { |
| left = top = 0; |
| right = bitmap.getWidth(); |
| bottom = bitmap.getHeight(); |
| } else { |
| left = src.left; |
| right = src.right; |
| top = src.top; |
| bottom = src.bottom; |
| } |
| |
| nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, left, top, right, bottom, |
| dst.left, dst.top, dst.right, dst.bottom, nativePaint); |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| @Override |
| public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) { |
| // Shaders are ignored when drawing bitmaps |
| int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; |
| final int nativePaint = paint == null ? 0 : paint.mNativePaint; |
| nDrawBitmap(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, src.left, src.top, src.right, |
| src.bottom, dst.left, dst.top, dst.right, dst.bottom, nativePaint); |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| private static native void nDrawBitmap(int renderer, int bitmap, byte[] buffer, |
| float srcLeft, float srcTop, float srcRight, float srcBottom, |
| float left, float top, float right, float bottom, int paint); |
| |
| @Override |
| public void drawBitmap(int[] colors, int offset, int stride, float x, float y, |
| int width, int height, boolean hasAlpha, Paint paint) { |
| // Shaders are ignored when drawing bitmaps |
| int modifier = paint != null ? setupColorFilter(paint) : MODIFIER_NONE; |
| final Bitmap.Config config = hasAlpha ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565; |
| final Bitmap b = Bitmap.createBitmap(colors, offset, stride, width, height, config); |
| final int nativePaint = paint == null ? 0 : paint.mNativePaint; |
| nDrawBitmap(mRenderer, b.mNativeBitmap, b.mBuffer, x, y, nativePaint); |
| b.recycle(); |
| if (modifier != MODIFIER_NONE) nResetModifiers(mRenderer, modifier); |
| } |
| |
| @Override |
| public void drawBitmap(int[] colors, int offset, int stride, int x, int y, |
| int width, int height, boolean hasAlpha, Paint paint) { |
| // Shaders are ignored when drawing bitmaps |
| drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, hasAlpha, paint); |
| } |
| |
| @Override |
| public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight, float[] verts, |
| int vertOffset, int[] colors, int colorOffset, Paint paint) { |
| if (meshWidth < 0 || meshHeight < 0 || vertOffset < 0 || colorOffset < 0) { |
| throw new ArrayIndexOutOfBoundsException(); |
| } |
| |
| if (meshWidth == 0 || meshHeight == 0) { |
| return; |
| } |
| |
| final int count = (meshWidth + 1) * (meshHeight + 1); |
| checkRange(verts.length, vertOffset, count * 2); |
| |
| // TODO: Colors are ignored for now |
| colors = null; |
| colorOffset = 0; |
| |
| int modifiers = paint != null ? setupModifiers(bitmap, paint) : MODIFIER_NONE; |
| final int nativePaint = paint == null ? 0 : paint.mNativePaint; |
| nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, bitmap.mBuffer, meshWidth, meshHeight, |
| verts, vertOffset, colors, colorOffset, nativePaint); |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| private static native void nDrawBitmapMesh(int renderer, int bitmap, byte[] buffer, |
| int meshWidth, int meshHeight, float[] verts, int vertOffset, |
| int[] colors, int colorOffset, int paint); |
| |
| @Override |
| public void drawCircle(float cx, float cy, float radius, Paint paint) { |
| int modifiers = setupModifiers(paint); |
| nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint); |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| private static native void nDrawCircle(int renderer, float cx, float cy, |
| float radius, int paint); |
| |
| @Override |
| public void drawColor(int color) { |
| drawColor(color, PorterDuff.Mode.SRC_OVER); |
| } |
| |
| @Override |
| public void drawColor(int color, PorterDuff.Mode mode) { |
| nDrawColor(mRenderer, color, mode.nativeInt); |
| } |
| |
| private static native void nDrawColor(int renderer, int color, int mode); |
| |
| @Override |
| public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) { |
| mLine[0] = startX; |
| mLine[1] = startY; |
| mLine[2] = stopX; |
| mLine[3] = stopY; |
| drawLines(mLine, 0, 4, paint); |
| } |
| |
| @Override |
| public void drawLines(float[] pts, int offset, int count, Paint paint) { |
| if ((offset | count) < 0 || offset + count > pts.length) { |
| throw new IllegalArgumentException("The lines array must contain 4 elements per line."); |
| } |
| int modifiers = setupModifiers(paint); |
| nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint); |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| private static native void nDrawLines(int renderer, float[] points, |
| int offset, int count, int paint); |
| |
| @Override |
| public void drawLines(float[] pts, Paint paint) { |
| drawLines(pts, 0, pts.length, paint); |
| } |
| |
| @Override |
| public void drawOval(RectF oval, Paint paint) { |
| int modifiers = setupModifiers(paint); |
| nDrawOval(mRenderer, oval.left, oval.top, oval.right, oval.bottom, paint.mNativePaint); |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| private static native void nDrawOval(int renderer, float left, float top, |
| float right, float bottom, int paint); |
| |
| @Override |
| public void drawPaint(Paint paint) { |
| final Rect r = mClipBounds; |
| nGetClipBounds(mRenderer, r); |
| drawRect(r.left, r.top, r.right, r.bottom, paint); |
| } |
| |
| @Override |
| public void drawPath(Path path, Paint paint) { |
| int modifiers = setupModifiers(paint); |
| if (path.isSimplePath) { |
| if (path.rects != null) { |
| nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint); |
| } |
| } else { |
| nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint); |
| } |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| private static native void nDrawPath(int renderer, int path, int paint); |
| private static native void nDrawRects(int renderer, int region, int paint); |
| |
| @Override |
| public void drawPicture(Picture picture) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void drawPicture(Picture picture, Rect dst) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void drawPicture(Picture picture, RectF dst) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void drawPoint(float x, float y, Paint paint) { |
| mPoint[0] = x; |
| mPoint[1] = y; |
| drawPoints(mPoint, 0, 2, paint); |
| } |
| |
| @Override |
| public void drawPoints(float[] pts, Paint paint) { |
| drawPoints(pts, 0, pts.length, paint); |
| } |
| |
| @Override |
| public void drawPoints(float[] pts, int offset, int count, Paint paint) { |
| int modifiers = setupModifiers(paint); |
| nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint); |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| private static native void nDrawPoints(int renderer, float[] points, |
| int offset, int count, int paint); |
| |
| @Override |
| public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) { |
| // TODO: Implement |
| } |
| |
| @Override |
| public void drawPosText(String text, float[] pos, Paint paint) { |
| // TODO: Implement |
| } |
| |
| @Override |
| public void drawRect(float left, float top, float right, float bottom, Paint paint) { |
| int modifiers = setupModifiers(paint); |
| nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint); |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| private static native void nDrawRect(int renderer, float left, float top, |
| float right, float bottom, int paint); |
| |
| @Override |
| public void drawRect(Rect r, Paint paint) { |
| drawRect(r.left, r.top, r.right, r.bottom, paint); |
| } |
| |
| @Override |
| public void drawRect(RectF r, Paint paint) { |
| drawRect(r.left, r.top, r.right, r.bottom, paint); |
| } |
| |
| @Override |
| public void drawRGB(int r, int g, int b) { |
| drawColor(0xFF000000 | (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF)); |
| } |
| |
| @Override |
| public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) { |
| int modifiers = setupModifiers(paint); |
| nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom, |
| rx, ry, paint.mNativePaint); |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| |
| private static native void nDrawRoundRect(int renderer, float left, float top, |
| float right, float bottom, float rx, float y, int paint); |
| |
| @Override |
| public void drawText(char[] text, int index, int count, float x, float y, Paint paint) { |
| if ((index | count | (index + count) | (text.length - index - count)) < 0) { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| int modifiers = setupModifiers(paint); |
| try { |
| nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint); |
| } finally { |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| } |
| |
| private static native void nDrawText(int renderer, char[] text, int index, int count, |
| float x, float y, int bidiFlags, int paint); |
| |
| @Override |
| public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) { |
| int modifiers = setupModifiers(paint); |
| try { |
| if (text instanceof String || text instanceof SpannedString || |
| text instanceof SpannableString) { |
| nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags, |
| paint.mNativePaint); |
| } else if (text instanceof GraphicsOperations) { |
| ((GraphicsOperations) text).drawText(this, start, end, x, y, |
| paint); |
| } else { |
| char[] buf = TemporaryBuffer.obtain(end - start); |
| TextUtils.getChars(text, start, end, buf, 0); |
| nDrawText(mRenderer, buf, 0, end - start, x, y, |
| paint.mBidiFlags, paint.mNativePaint); |
| TemporaryBuffer.recycle(buf); |
| } |
| } finally { |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| } |
| |
| @Override |
| public void drawText(String text, int start, int end, float x, float y, Paint paint) { |
| if ((start | end | (end - start) | (text.length() - end)) < 0) { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| int modifiers = setupModifiers(paint); |
| try { |
| nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint); |
| } finally { |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| } |
| |
| private static native void nDrawText(int renderer, String text, int start, int end, |
| float x, float y, int bidiFlags, int paint); |
| |
| @Override |
| public void drawText(String text, float x, float y, Paint paint) { |
| int modifiers = setupModifiers(paint); |
| try { |
| nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags, |
| paint.mNativePaint); |
| } finally { |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| } |
| |
| @Override |
| public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset, |
| float vOffset, Paint paint) { |
| // TODO: Implement |
| } |
| |
| @Override |
| public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) { |
| // TODO: Implement |
| } |
| |
| @Override |
| public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount, |
| float x, float y, int dir, Paint paint) { |
| if ((index | count | text.length - index - count) < 0) { |
| throw new IndexOutOfBoundsException(); |
| } |
| if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) { |
| throw new IllegalArgumentException("Unknown direction: " + dir); |
| } |
| |
| int modifiers = setupModifiers(paint); |
| try { |
| nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir, |
| paint.mNativePaint); |
| } finally { |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| } |
| |
| private static native void nDrawTextRun(int renderer, char[] text, int index, int count, |
| int contextIndex, int contextCount, float x, float y, int dir, int nativePaint); |
| |
| @Override |
| public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd, |
| float x, float y, int dir, Paint paint) { |
| if ((start | end | end - start | text.length() - end) < 0) { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| int modifiers = setupModifiers(paint); |
| try { |
| int flags = dir == 0 ? 0 : 1; |
| if (text instanceof String || text instanceof SpannedString || |
| text instanceof SpannableString) { |
| nDrawTextRun(mRenderer, text.toString(), start, end, contextStart, |
| contextEnd, x, y, flags, paint.mNativePaint); |
| } else if (text instanceof GraphicsOperations) { |
| ((GraphicsOperations) text).drawTextRun(this, start, end, |
| contextStart, contextEnd, x, y, flags, paint); |
| } else { |
| int contextLen = contextEnd - contextStart; |
| int len = end - start; |
| char[] buf = TemporaryBuffer.obtain(contextLen); |
| TextUtils.getChars(text, contextStart, contextEnd, buf, 0); |
| nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen, |
| x, y, flags, paint.mNativePaint); |
| TemporaryBuffer.recycle(buf); |
| } |
| } finally { |
| if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers); |
| } |
| } |
| |
| private static native void nDrawTextRun(int renderer, String text, int start, int end, |
| int contextStart, int contextEnd, float x, float y, int flags, int nativePaint); |
| |
| @Override |
| public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset, |
| float[] texs, int texOffset, int[] colors, int colorOffset, short[] indices, |
| int indexOffset, int indexCount, Paint paint) { |
| // TODO: Implement |
| } |
| |
| private int setupModifiers(Bitmap b, Paint paint) { |
| if (b.getConfig() == Bitmap.Config.ALPHA_8) { |
| return setupModifiers(paint); |
| } |
| |
| final ColorFilter filter = paint.getColorFilter(); |
| if (filter != null) { |
| nSetupColorFilter(mRenderer, filter.nativeColorFilter); |
| return MODIFIER_COLOR_FILTER; |
| } |
| |
| return MODIFIER_NONE; |
| } |
| |
| private int setupModifiers(Paint paint) { |
| int modifiers = MODIFIER_NONE; |
| |
| if (paint.hasShadow) { |
| nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, |
| paint.shadowColor); |
| modifiers |= MODIFIER_SHADOW; |
| } |
| |
| final Shader shader = paint.getShader(); |
| if (shader != null) { |
| nSetupShader(mRenderer, shader.native_shader); |
| modifiers |= MODIFIER_SHADER; |
| } |
| |
| final ColorFilter filter = paint.getColorFilter(); |
| if (filter != null) { |
| nSetupColorFilter(mRenderer, filter.nativeColorFilter); |
| modifiers |= MODIFIER_COLOR_FILTER; |
| } |
| |
| return modifiers; |
| } |
| |
| private int setupColorFilter(Paint paint) { |
| final ColorFilter filter = paint.getColorFilter(); |
| if (filter != null) { |
| nSetupColorFilter(mRenderer, filter.nativeColorFilter); |
| return MODIFIER_COLOR_FILTER; |
| } |
| return MODIFIER_NONE; |
| } |
| |
| private static native void nSetupShader(int renderer, int shader); |
| private static native void nSetupColorFilter(int renderer, int colorFilter); |
| private static native void nSetupShadow(int renderer, float radius, |
| float dx, float dy, int color); |
| |
| private static native void nResetModifiers(int renderer, int modifiers); |
| } |
