| /* |
| * Copyright (C) 2016 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 android.annotation.ColorInt; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.Size; |
| import android.graphics.Canvas.VertexMode; |
| import android.text.GraphicsOperations; |
| import android.text.SpannableString; |
| import android.text.SpannedString; |
| import android.text.TextUtils; |
| import android.view.RecordingCanvas; |
| |
| /** |
| * This class is a base class for Canvas's drawing operations. Any modifications here |
| * should be accompanied by a similar modification to {@link RecordingCanvas}. |
| * |
| * The purpose of this class is to minimize the cost of deciding between regular JNI |
| * and @FastNative JNI to just the virtual call that Canvas already has. |
| * |
| * @hide |
| */ |
| public abstract class BaseCanvas { |
| /** |
| * Should only be assigned in constructors (or setBitmap if software canvas), |
| * freed by NativeAllocation. |
| */ |
| protected long mNativeCanvasWrapper; |
| |
| /** |
| * Used to determine when compatibility scaling is in effect. |
| */ |
| protected int mScreenDensity = Bitmap.DENSITY_NONE; |
| protected int mDensity = Bitmap.DENSITY_NONE; |
| private boolean mAllowHwBitmapsInSwMode = false; |
| |
| protected void throwIfCannotDraw(Bitmap bitmap) { |
| if (bitmap.isRecycled()) { |
| throw new RuntimeException("Canvas: trying to use a recycled bitmap " + bitmap); |
| } |
| if (!bitmap.isPremultiplied() && bitmap.getConfig() == Bitmap.Config.ARGB_8888 && |
| bitmap.hasAlpha()) { |
| throw new RuntimeException("Canvas: trying to use a non-premultiplied bitmap " |
| + bitmap); |
| } |
| throwIfHwBitmapInSwMode(bitmap); |
| } |
| |
| protected final static void checkRange(int length, int offset, int count) { |
| if ((offset | count) < 0 || offset + count > length) { |
| throw new ArrayIndexOutOfBoundsException(); |
| } |
| } |
| |
| public boolean isHardwareAccelerated() { |
| return false; |
| } |
| |
| // --------------------------------------------------------------------------- |
| // Drawing methods |
| // These are also implemented in DisplayListCanvas so that we can |
| // selectively apply on them |
| // Everything below here is copy/pasted from Canvas.java |
| // The JNI registration is handled by android_view_Canvas.cpp |
| // --------------------------------------------------------------------------- |
| |
| public void drawArc(float left, float top, float right, float bottom, float startAngle, |
| float sweepAngle, boolean useCenter, @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawArc(mNativeCanvasWrapper, left, top, right, bottom, startAngle, sweepAngle, |
| useCenter, paint.getNativeInstance()); |
| } |
| |
| public void drawArc(@NonNull RectF oval, float startAngle, float sweepAngle, boolean useCenter, |
| @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| drawArc(oval.left, oval.top, oval.right, oval.bottom, startAngle, sweepAngle, useCenter, |
| paint); |
| } |
| |
| public void drawARGB(int a, int r, int g, int b) { |
| drawColor(Color.argb(a, r, g, b)); |
| } |
| |
| public void drawBitmap(@NonNull Bitmap bitmap, float left, float top, @Nullable Paint paint) { |
| throwIfCannotDraw(bitmap); |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawBitmap(mNativeCanvasWrapper, bitmap, left, top, |
| paint != null ? paint.getNativeInstance() : 0, mDensity, mScreenDensity, |
| bitmap.mDensity); |
| } |
| |
| public void drawBitmap(@NonNull Bitmap bitmap, @NonNull Matrix matrix, @Nullable Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawBitmapMatrix(mNativeCanvasWrapper, bitmap, matrix.ni(), |
| paint != null ? paint.getNativeInstance() : 0); |
| } |
| |
| public void drawBitmap(@NonNull Bitmap bitmap, @Nullable Rect src, @NonNull Rect dst, |
| @Nullable Paint paint) { |
| if (dst == null) { |
| throw new NullPointerException(); |
| } |
| throwIfCannotDraw(bitmap); |
| throwIfHasHwBitmapInSwMode(paint); |
| final long nativePaint = paint == null ? 0 : paint.getNativeInstance(); |
| |
| 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(mNativeCanvasWrapper, bitmap, left, top, right, bottom, |
| dst.left, dst.top, dst.right, dst.bottom, nativePaint, mScreenDensity, |
| bitmap.mDensity); |
| } |
| |
| public void drawBitmap(@NonNull Bitmap bitmap, @Nullable Rect src, @NonNull RectF dst, |
| @Nullable Paint paint) { |
| if (dst == null) { |
| throw new NullPointerException(); |
| } |
| throwIfCannotDraw(bitmap); |
| throwIfHasHwBitmapInSwMode(paint); |
| final long nativePaint = paint == null ? 0 : paint.getNativeInstance(); |
| |
| float 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(mNativeCanvasWrapper, bitmap, left, top, right, bottom, |
| dst.left, dst.top, dst.right, dst.bottom, nativePaint, mScreenDensity, |
| bitmap.mDensity); |
| } |
| |
| @Deprecated |
| public void drawBitmap(@NonNull int[] colors, int offset, int stride, float x, float y, |
| int width, int height, boolean hasAlpha, @Nullable Paint paint) { |
| // check for valid input |
| if (width < 0) { |
| throw new IllegalArgumentException("width must be >= 0"); |
| } |
| if (height < 0) { |
| throw new IllegalArgumentException("height must be >= 0"); |
| } |
| if (Math.abs(stride) < width) { |
| throw new IllegalArgumentException("abs(stride) must be >= width"); |
| } |
| int lastScanline = offset + (height - 1) * stride; |
| int length = colors.length; |
| if (offset < 0 || (offset + width > length) || lastScanline < 0 |
| || (lastScanline + width > length)) { |
| throw new ArrayIndexOutOfBoundsException(); |
| } |
| throwIfHasHwBitmapInSwMode(paint); |
| // quick escape if there's nothing to draw |
| if (width == 0 || height == 0) { |
| return; |
| } |
| // punch down to native for the actual draw |
| nDrawBitmap(mNativeCanvasWrapper, colors, offset, stride, x, y, width, height, hasAlpha, |
| paint != null ? paint.getNativeInstance() : 0); |
| } |
| |
| @Deprecated |
| public void drawBitmap(@NonNull int[] colors, int offset, int stride, int x, int y, |
| int width, int height, boolean hasAlpha, @Nullable Paint paint) { |
| // call through to the common float version |
| drawBitmap(colors, offset, stride, (float) x, (float) y, width, height, |
| hasAlpha, paint); |
| } |
| |
| public void drawBitmapMesh(@NonNull Bitmap bitmap, int meshWidth, int meshHeight, |
| @NonNull float[] verts, int vertOffset, @Nullable int[] colors, int colorOffset, |
| @Nullable Paint paint) { |
| if ((meshWidth | meshHeight | vertOffset | colorOffset) < 0) { |
| throw new ArrayIndexOutOfBoundsException(); |
| } |
| throwIfHasHwBitmapInSwMode(paint); |
| if (meshWidth == 0 || meshHeight == 0) { |
| return; |
| } |
| int count = (meshWidth + 1) * (meshHeight + 1); |
| // we mul by 2 since we need two floats per vertex |
| checkRange(verts.length, vertOffset, count * 2); |
| if (colors != null) { |
| // no mul by 2, since we need only 1 color per vertex |
| checkRange(colors.length, colorOffset, count); |
| } |
| nDrawBitmapMesh(mNativeCanvasWrapper, bitmap, meshWidth, meshHeight, |
| verts, vertOffset, colors, colorOffset, |
| paint != null ? paint.getNativeInstance() : 0); |
| } |
| |
| public void drawCircle(float cx, float cy, float radius, @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawCircle(mNativeCanvasWrapper, cx, cy, radius, paint.getNativeInstance()); |
| } |
| |
| public void drawColor(@ColorInt int color) { |
| nDrawColor(mNativeCanvasWrapper, color, PorterDuff.Mode.SRC_OVER.nativeInt); |
| } |
| |
| public void drawColor(@ColorInt int color, @NonNull PorterDuff.Mode mode) { |
| nDrawColor(mNativeCanvasWrapper, color, mode.nativeInt); |
| } |
| |
| public void drawLine(float startX, float startY, float stopX, float stopY, |
| @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawLine(mNativeCanvasWrapper, startX, startY, stopX, stopY, paint.getNativeInstance()); |
| } |
| |
| public void drawLines(@Size(multiple = 4) @NonNull float[] pts, int offset, int count, |
| @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawLines(mNativeCanvasWrapper, pts, offset, count, paint.getNativeInstance()); |
| } |
| |
| public void drawLines(@Size(multiple = 4) @NonNull float[] pts, @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| drawLines(pts, 0, pts.length, paint); |
| } |
| |
| public void drawOval(float left, float top, float right, float bottom, @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawOval(mNativeCanvasWrapper, left, top, right, bottom, paint.getNativeInstance()); |
| } |
| |
| public void drawOval(@NonNull RectF oval, @NonNull Paint paint) { |
| if (oval == null) { |
| throw new NullPointerException(); |
| } |
| throwIfHasHwBitmapInSwMode(paint); |
| drawOval(oval.left, oval.top, oval.right, oval.bottom, paint); |
| } |
| |
| public void drawPaint(@NonNull Paint paint) { |
| nDrawPaint(mNativeCanvasWrapper, paint.getNativeInstance()); |
| } |
| |
| public void drawPatch(@NonNull NinePatch patch, @NonNull Rect dst, @Nullable Paint paint) { |
| Bitmap bitmap = patch.getBitmap(); |
| throwIfCannotDraw(bitmap); |
| throwIfHasHwBitmapInSwMode(paint); |
| final long nativePaint = paint == null ? 0 : paint.getNativeInstance(); |
| nDrawNinePatch(mNativeCanvasWrapper, bitmap.getNativeInstance(), patch.mNativeChunk, |
| dst.left, dst.top, dst.right, dst.bottom, nativePaint, |
| mDensity, patch.getDensity()); |
| } |
| |
| public void drawPatch(@NonNull NinePatch patch, @NonNull RectF dst, @Nullable Paint paint) { |
| Bitmap bitmap = patch.getBitmap(); |
| throwIfCannotDraw(bitmap); |
| throwIfHasHwBitmapInSwMode(paint); |
| final long nativePaint = paint == null ? 0 : paint.getNativeInstance(); |
| nDrawNinePatch(mNativeCanvasWrapper, bitmap.getNativeInstance(), patch.mNativeChunk, |
| dst.left, dst.top, dst.right, dst.bottom, nativePaint, |
| mDensity, patch.getDensity()); |
| } |
| |
| public void drawPath(@NonNull Path path, @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| if (path.isSimplePath && path.rects != null) { |
| nDrawRegion(mNativeCanvasWrapper, path.rects.mNativeRegion, paint.getNativeInstance()); |
| } else { |
| nDrawPath(mNativeCanvasWrapper, path.readOnlyNI(), paint.getNativeInstance()); |
| } |
| } |
| |
| public void drawPoint(float x, float y, @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawPoint(mNativeCanvasWrapper, x, y, paint.getNativeInstance()); |
| } |
| |
| public void drawPoints(@Size(multiple = 2) float[] pts, int offset, int count, |
| @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawPoints(mNativeCanvasWrapper, pts, offset, count, paint.getNativeInstance()); |
| } |
| |
| public void drawPoints(@Size(multiple = 2) @NonNull float[] pts, @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| drawPoints(pts, 0, pts.length, paint); |
| } |
| |
| @Deprecated |
| public void drawPosText(@NonNull char[] text, int index, int count, |
| @NonNull @Size(multiple = 2) float[] pos, |
| @NonNull Paint paint) { |
| if (index < 0 || index + count > text.length || count * 2 > pos.length) { |
| throw new IndexOutOfBoundsException(); |
| } |
| throwIfHasHwBitmapInSwMode(paint); |
| for (int i = 0; i < count; i++) { |
| drawText(text, index + i, 1, pos[i * 2], pos[i * 2 + 1], paint); |
| } |
| } |
| |
| @Deprecated |
| public void drawPosText(@NonNull String text, @NonNull @Size(multiple = 2) float[] pos, |
| @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| drawPosText(text.toCharArray(), 0, text.length(), pos, paint); |
| } |
| |
| public void drawRect(float left, float top, float right, float bottom, @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawRect(mNativeCanvasWrapper, left, top, right, bottom, paint.getNativeInstance()); |
| } |
| |
| public void drawRect(@NonNull Rect r, @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| drawRect(r.left, r.top, r.right, r.bottom, paint); |
| } |
| |
| public void drawRect(@NonNull RectF rect, @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawRect(mNativeCanvasWrapper, |
| rect.left, rect.top, rect.right, rect.bottom, paint.getNativeInstance()); |
| } |
| |
| public void drawRGB(int r, int g, int b) { |
| drawColor(Color.rgb(r, g, b)); |
| } |
| |
| public void drawRoundRect(float left, float top, float right, float bottom, float rx, float ry, |
| @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawRoundRect(mNativeCanvasWrapper, left, top, right, bottom, rx, ry, |
| paint.getNativeInstance()); |
| } |
| |
| public void drawRoundRect(@NonNull RectF rect, float rx, float ry, @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| drawRoundRect(rect.left, rect.top, rect.right, rect.bottom, rx, ry, paint); |
| } |
| |
| public void drawText(@NonNull char[] text, int index, int count, float x, float y, |
| @NonNull Paint paint) { |
| if ((index | count | (index + count) | |
| (text.length - index - count)) < 0) { |
| throw new IndexOutOfBoundsException(); |
| } |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawText(mNativeCanvasWrapper, text, index, count, x, y, paint.mBidiFlags, |
| paint.getNativeInstance(), paint.mNativeTypeface); |
| } |
| |
| public void drawText(@NonNull CharSequence text, int start, int end, float x, float y, |
| @NonNull Paint paint) { |
| if ((start | end | (end - start) | (text.length() - end)) < 0) { |
| throw new IndexOutOfBoundsException(); |
| } |
| throwIfHasHwBitmapInSwMode(paint); |
| if (text instanceof String || text instanceof SpannedString || |
| text instanceof SpannableString) { |
| nDrawText(mNativeCanvasWrapper, text.toString(), start, end, x, y, |
| paint.mBidiFlags, paint.getNativeInstance(), paint.mNativeTypeface); |
| } 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(mNativeCanvasWrapper, buf, 0, end - start, x, y, |
| paint.mBidiFlags, paint.getNativeInstance(), paint.mNativeTypeface); |
| TemporaryBuffer.recycle(buf); |
| } |
| } |
| |
| public void drawText(@NonNull String text, float x, float y, @NonNull Paint paint) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawText(mNativeCanvasWrapper, text, 0, text.length(), x, y, paint.mBidiFlags, |
| paint.getNativeInstance(), paint.mNativeTypeface); |
| } |
| |
| public void drawText(@NonNull String text, int start, int end, float x, float y, |
| @NonNull Paint paint) { |
| if ((start | end | (end - start) | (text.length() - end)) < 0) { |
| throw new IndexOutOfBoundsException(); |
| } |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawText(mNativeCanvasWrapper, text, start, end, x, y, paint.mBidiFlags, |
| paint.getNativeInstance(), paint.mNativeTypeface); |
| } |
| |
| public void drawTextOnPath(@NonNull char[] text, int index, int count, @NonNull Path path, |
| float hOffset, float vOffset, @NonNull Paint paint) { |
| if (index < 0 || index + count > text.length) { |
| throw new ArrayIndexOutOfBoundsException(); |
| } |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawTextOnPath(mNativeCanvasWrapper, text, index, count, |
| path.readOnlyNI(), hOffset, vOffset, |
| paint.mBidiFlags, paint.getNativeInstance(), paint.mNativeTypeface); |
| } |
| |
| public void drawTextOnPath(@NonNull String text, @NonNull Path path, float hOffset, |
| float vOffset, @NonNull Paint paint) { |
| if (text.length() > 0) { |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawTextOnPath(mNativeCanvasWrapper, text, path.readOnlyNI(), hOffset, vOffset, |
| paint.mBidiFlags, paint.getNativeInstance(), paint.mNativeTypeface); |
| } |
| } |
| |
| public void drawTextRun(@NonNull char[] text, int index, int count, int contextIndex, |
| int contextCount, float x, float y, boolean isRtl, @NonNull Paint paint) { |
| |
| if (text == null) { |
| throw new NullPointerException("text is null"); |
| } |
| if (paint == null) { |
| throw new NullPointerException("paint is null"); |
| } |
| if ((index | count | contextIndex | contextCount | index - contextIndex |
| | (contextIndex + contextCount) - (index + count) |
| | text.length - (contextIndex + contextCount)) < 0) { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawTextRun(mNativeCanvasWrapper, text, index, count, contextIndex, contextCount, |
| x, y, isRtl, paint.getNativeInstance(), paint.mNativeTypeface); |
| } |
| |
| public void drawTextRun(@NonNull CharSequence text, int start, int end, int contextStart, |
| int contextEnd, float x, float y, boolean isRtl, @NonNull Paint paint) { |
| |
| if (text == null) { |
| throw new NullPointerException("text is null"); |
| } |
| if (paint == null) { |
| throw new NullPointerException("paint is null"); |
| } |
| if ((start | end | contextStart | contextEnd | start - contextStart | end - start |
| | contextEnd - end | text.length() - contextEnd) < 0) { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| throwIfHasHwBitmapInSwMode(paint); |
| if (text instanceof String || text instanceof SpannedString || |
| text instanceof SpannableString) { |
| nDrawTextRun(mNativeCanvasWrapper, text.toString(), start, end, contextStart, |
| contextEnd, x, y, isRtl, paint.getNativeInstance(), paint.mNativeTypeface); |
| } else if (text instanceof GraphicsOperations) { |
| ((GraphicsOperations) text).drawTextRun(this, start, end, |
| contextStart, contextEnd, x, y, isRtl, paint); |
| } else { |
| int contextLen = contextEnd - contextStart; |
| int len = end - start; |
| char[] buf = TemporaryBuffer.obtain(contextLen); |
| TextUtils.getChars(text, contextStart, contextEnd, buf, 0); |
| nDrawTextRun(mNativeCanvasWrapper, buf, start - contextStart, len, |
| 0, contextLen, x, y, isRtl, paint.getNativeInstance(), paint.mNativeTypeface); |
| TemporaryBuffer.recycle(buf); |
| } |
| } |
| |
| public void drawVertices(@NonNull VertexMode mode, int vertexCount, @NonNull float[] verts, |
| int vertOffset, @Nullable float[] texs, int texOffset, @Nullable int[] colors, |
| int colorOffset, @Nullable short[] indices, int indexOffset, int indexCount, |
| @NonNull Paint paint) { |
| checkRange(verts.length, vertOffset, vertexCount); |
| if (isHardwareAccelerated()) { |
| return; |
| } |
| if (texs != null) { |
| checkRange(texs.length, texOffset, vertexCount); |
| } |
| if (colors != null) { |
| checkRange(colors.length, colorOffset, vertexCount / 2); |
| } |
| if (indices != null) { |
| checkRange(indices.length, indexOffset, indexCount); |
| } |
| throwIfHasHwBitmapInSwMode(paint); |
| nDrawVertices(mNativeCanvasWrapper, mode.nativeInt, vertexCount, verts, |
| vertOffset, texs, texOffset, colors, colorOffset, |
| indices, indexOffset, indexCount, paint.getNativeInstance()); |
| } |
| |
| /** |
| * @hide |
| */ |
| public void setHwBitmapsInSwModeEnabled(boolean enabled) { |
| mAllowHwBitmapsInSwMode = enabled; |
| } |
| |
| /** |
| * @hide |
| */ |
| public boolean isHwBitmapsInSwModeEnabled() { |
| return mAllowHwBitmapsInSwMode; |
| } |
| |
| private void throwIfHwBitmapInSwMode(Bitmap bitmap) { |
| if (!mAllowHwBitmapsInSwMode && !isHardwareAccelerated() |
| && bitmap.getConfig() == Bitmap.Config.HARDWARE) { |
| throw new IllegalStateException("Software rendering doesn't support hardware bitmaps"); |
| } |
| } |
| |
| private void throwIfHasHwBitmapInSwMode(Paint p) { |
| if (isHardwareAccelerated() || p == null) { |
| return; |
| } |
| throwIfHasHwBitmapInSwMode(p.getShader()); |
| } |
| |
| private void throwIfHasHwBitmapInSwMode(Shader shader) { |
| if (shader == null) { |
| return; |
| } |
| if (shader instanceof BitmapShader) { |
| throwIfHwBitmapInSwMode(((BitmapShader) shader).mBitmap); |
| } |
| if (shader instanceof ComposeShader) { |
| throwIfHasHwBitmapInSwMode(((ComposeShader) shader).mShaderA); |
| throwIfHasHwBitmapInSwMode(((ComposeShader) shader).mShaderB); |
| } |
| } |
| |
| private static native void nDrawBitmap(long nativeCanvas, Bitmap bitmap, float left, float top, |
| long nativePaintOrZero, int canvasDensity, int screenDensity, int bitmapDensity); |
| |
| private static native void nDrawBitmap(long nativeCanvas, Bitmap bitmap, float srcLeft, |
| float srcTop, |
| float srcRight, float srcBottom, float dstLeft, float dstTop, float dstRight, |
| float dstBottom, long nativePaintOrZero, int screenDensity, int bitmapDensity); |
| |
| private static native void nDrawBitmap(long nativeCanvas, int[] colors, int offset, int stride, |
| float x, float y, int width, int height, boolean hasAlpha, long nativePaintOrZero); |
| |
| private static native void nDrawColor(long nativeCanvas, int color, int mode); |
| |
| private static native void nDrawPaint(long nativeCanvas, long nativePaint); |
| |
| private static native void nDrawPoint(long canvasHandle, float x, float y, long paintHandle); |
| |
| private static native void nDrawPoints(long canvasHandle, float[] pts, int offset, int count, |
| long paintHandle); |
| |
| private static native void nDrawLine(long nativeCanvas, float startX, float startY, float stopX, |
| float stopY, long nativePaint); |
| |
| private static native void nDrawLines(long canvasHandle, float[] pts, int offset, int count, |
| long paintHandle); |
| |
| private static native void nDrawRect(long nativeCanvas, float left, float top, float right, |
| float bottom, long nativePaint); |
| |
| private static native void nDrawOval(long nativeCanvas, float left, float top, float right, |
| float bottom, long nativePaint); |
| |
| private static native void nDrawCircle(long nativeCanvas, float cx, float cy, float radius, |
| long nativePaint); |
| |
| private static native void nDrawArc(long nativeCanvas, float left, float top, float right, |
| float bottom, float startAngle, float sweep, boolean useCenter, long nativePaint); |
| |
| private static native void nDrawRoundRect(long nativeCanvas, float left, float top, float right, |
| float bottom, float rx, float ry, long nativePaint); |
| |
| private static native void nDrawPath(long nativeCanvas, long nativePath, long nativePaint); |
| |
| private static native void nDrawRegion(long nativeCanvas, long nativeRegion, long nativePaint); |
| |
| private static native void nDrawNinePatch(long nativeCanvas, long nativeBitmap, long ninePatch, |
| float dstLeft, float dstTop, float dstRight, float dstBottom, long nativePaintOrZero, |
| int screenDensity, int bitmapDensity); |
| |
| private static native void nDrawBitmapMatrix(long nativeCanvas, Bitmap bitmap, |
| long nativeMatrix, long nativePaint); |
| |
| private static native void nDrawBitmapMesh(long nativeCanvas, Bitmap bitmap, int meshWidth, |
| int meshHeight, float[] verts, int vertOffset, int[] colors, int colorOffset, |
| long nativePaint); |
| |
| private static native void nDrawVertices(long nativeCanvas, int mode, int n, float[] verts, |
| int vertOffset, float[] texs, int texOffset, int[] colors, int colorOffset, |
| short[] indices, int indexOffset, int indexCount, long nativePaint); |
| |
| private static native void nDrawText(long nativeCanvas, char[] text, int index, int count, |
| float x, float y, int flags, long nativePaint, long nativeTypeface); |
| |
| private static native void nDrawText(long nativeCanvas, String text, int start, int end, |
| float x, float y, int flags, long nativePaint, long nativeTypeface); |
| |
| private static native void nDrawTextRun(long nativeCanvas, String text, int start, int end, |
| int contextStart, int contextEnd, float x, float y, boolean isRtl, long nativePaint, |
| long nativeTypeface); |
| |
| private static native void nDrawTextRun(long nativeCanvas, char[] text, int start, int count, |
| int contextStart, int contextCount, float x, float y, boolean isRtl, long nativePaint, |
| long nativeTypeface); |
| |
| private static native void nDrawTextOnPath(long nativeCanvas, char[] text, int index, int count, |
| long nativePath, float hOffset, float vOffset, int bidiFlags, long nativePaint, |
| long nativeTypeface); |
| |
| private static native void nDrawTextOnPath(long nativeCanvas, String text, long nativePath, |
| float hOffset, float vOffset, int flags, long nativePaint, long nativeTypeface); |
| } |
