/*
* 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.CanvasProperty;
import android.graphics.DrawFilter;
import android.graphics.Matrix;
import android.graphics.NinePatch;
import android.graphics.Paint;
import android.graphics.PaintFlagsDrawFilter;
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.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 {
private final boolean mOpaque;
protected long mRenderer;
// The native renderer will be destroyed when this object dies.
// DO NOT overwrite this reference once it is set.
@SuppressWarnings({"unused", "FieldCanBeLocal"})
private CanvasFinalizer mFinalizer;
private int mWidth;
private int mHeight;
private float[] mPoint;
private float[] mLine;
private Rect mClipBounds;
private RectF mPathBounds;
private DrawFilter mFilter;
///////////////////////////////////////////////////////////////////////////
// JNI
///////////////////////////////////////////////////////////////////////////
private static native boolean nIsAvailable();
private static boolean sIsAvailable = nIsAvailable();
static boolean isAvailable() {
return sIsAvailable;
}
///////////////////////////////////////////////////////////////////////////
// Constructors
///////////////////////////////////////////////////////////////////////////
// TODO: Merge with GLES20RecordingCanvas
protected GLES20Canvas() {
mOpaque = false;
mRenderer = nCreateDisplayListRenderer();
setupFinalizer();
}
private void setupFinalizer() {
if (mRenderer == 0) {
throw new IllegalStateException("Could not create GLES20Canvas renderer");
} else {
mFinalizer = new CanvasFinalizer(mRenderer);
}
}
private static native long nCreateDisplayListRenderer();
private static native void nResetDisplayListRenderer(long renderer);
private static native void nDestroyRenderer(long renderer);
private static final class CanvasFinalizer {
private final long mRenderer;
public CanvasFinalizer(long renderer) {
mRenderer = renderer;
}
@Override
protected void finalize() throws Throwable {
try {
nDestroyRenderer(mRenderer);
} finally {
super.finalize();
}
}
}
public static void setProperty(String name, String value) {
nSetProperty(name, value);
}
private static native void nSetProperty(String name, String value);
///////////////////////////////////////////////////////////////////////////
// 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();
/**
* Returns the native OpenGLRenderer object.
*/
long getRenderer() {
return mRenderer;
}
///////////////////////////////////////////////////////////////////////////
// Setup
///////////////////////////////////////////////////////////////////////////
@Override
public void setViewport(int width, int height) {
mWidth = width;
mHeight = height;
nSetViewport(mRenderer, width, height);
}
private static native void nSetViewport(long renderer,
int width, int height);
@Override
public void setHighContrastText(boolean highContrastText) {
nSetHighContrastText(mRenderer, highContrastText);
}
private static native void nSetHighContrastText(long renderer, boolean highContrastText);
@Override
public void insertReorderBarrier() {
nInsertReorderBarrier(mRenderer, true);
}
@Override
public void insertInorderBarrier() {
nInsertReorderBarrier(mRenderer, false);
}
private static native void nInsertReorderBarrier(long renderer, boolean enableReorder);
@Override
public int onPreDraw(Rect dirty) {
if (dirty != null) {
return nPrepareDirty(mRenderer, dirty.left, dirty.top, dirty.right, dirty.bottom,
mOpaque);
} else {
return nPrepare(mRenderer, mOpaque);
}
}
private static native int nPrepare(long renderer, boolean opaque);
private static native int nPrepareDirty(long renderer, int left, int top, int right, int bottom,
boolean opaque);
@Override
public void onPostDraw() {
nFinish(mRenderer);
}
private static native void nFinish(long renderer);
///////////////////////////////////////////////////////////////////////////
// Functor
///////////////////////////////////////////////////////////////////////////
@Override
public int callDrawGLFunction2(long drawGLFunction) {
return nCallDrawGLFunction(mRenderer, drawGLFunction);
}
private static native int nCallDrawGLFunction(long renderer, long drawGLFunction);
///////////////////////////////////////////////////////////////////////////
// Display list
///////////////////////////////////////////////////////////////////////////
protected static native long nFinishRecording(long renderer);
@Override
public int drawRenderNode(RenderNode renderNode, Rect dirty, int flags) {
return nDrawRenderNode(mRenderer, renderNode.getNativeDisplayList(), dirty, flags);
}
private static native int nDrawRenderNode(long renderer, long renderNode,
Rect dirty, int flags);
///////////////////////////////////////////////////////////////////////////
// Hardware layer
///////////////////////////////////////////////////////////////////////////
void drawHardwareLayer(HardwareLayer layer, float x, float y, Paint paint) {
layer.setLayerPaint(paint);
nDrawLayer(mRenderer, layer.getLayerHandle(), x, y);
}
private static native void nDrawLayer(long renderer, long layer, float x, float y);
///////////////////////////////////////////////////////////////////////////
// Support
///////////////////////////////////////////////////////////////////////////
private Rect getInternalClipBounds() {
if (mClipBounds == null) mClipBounds = new Rect();
return mClipBounds;
}
private RectF getPathBounds() {
if (mPathBounds == null) mPathBounds = new RectF();
return mPathBounds;
}
private float[] getPointStorage() {
if (mPoint == null) mPoint = new float[2];
return mPoint;
}
private float[] getLineStorage() {
if (mLine == null) mLine = new float[4];
return mLine;
}
///////////////////////////////////////////////////////////////////////////
// Clipping
///////////////////////////////////////////////////////////////////////////
@Override
public boolean clipPath(Path path) {
return nClipPath(mRenderer, path.mNativePath, Region.Op.INTERSECT.nativeInt);
}
@Override
public boolean clipPath(Path path, Region.Op op) {
return nClipPath(mRenderer, path.mNativePath, op.nativeInt);
}
private static native boolean nClipPath(long renderer, long path, int op);
@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(long 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(long 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) {
return nClipRegion(mRenderer, region.mNativeRegion, Region.Op.INTERSECT.nativeInt);
}
@Override
public boolean clipRegion(Region region, Region.Op op) {
return nClipRegion(mRenderer, region.mNativeRegion, op.nativeInt);
}
private static native boolean nClipRegion(long renderer, long region, int op);
@Override
public boolean getClipBounds(Rect bounds) {
return nGetClipBounds(mRenderer, bounds);
}
private static native boolean nGetClipBounds(long renderer, Rect bounds);
@Override
public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) {
return nQuickReject(mRenderer, left, top, right, bottom);
}
private static native boolean nQuickReject(long renderer, float left, float top,
float right, float bottom);
@Override
public boolean quickReject(Path path, EdgeType type) {
RectF pathBounds = getPathBounds();
path.computeBounds(pathBounds, true);
return nQuickReject(mRenderer, pathBounds.left, pathBounds.top,
pathBounds.right, pathBounds.bottom);
}
@Override
public boolean quickReject(RectF rect, EdgeType type) {
return nQuickReject(mRenderer, rect.left, rect.top, rect.right, rect.bottom);
}
///////////////////////////////////////////////////////////////////////////
// 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(long renderer, float dx, float dy);
@Override
public void skew(float sx, float sy) {
nSkew(mRenderer, sx, sy);
}
private static native void nSkew(long renderer, float sx, float sy);
@Override
public void rotate(float degrees) {
nRotate(mRenderer, degrees);
}
private static native void nRotate(long renderer, float degrees);
@Override
public void scale(float sx, float sy) {
nScale(mRenderer, sx, sy);
}
private static native void nScale(long renderer, float sx, float sy);
@Override
public void setMatrix(Matrix matrix) {
nSetMatrix(mRenderer, matrix == null ? 0 : matrix.native_instance);
}
private static native void nSetMatrix(long renderer, long matrix);
@SuppressWarnings("deprecation")
@Override
public void getMatrix(Matrix matrix) {
nGetMatrix(mRenderer, matrix.native_instance);
}
private static native void nGetMatrix(long renderer, long matrix);
@Override
public void concat(Matrix matrix) {
if (matrix != null) nConcatMatrix(mRenderer, matrix.native_instance);
}
private static native void nConcatMatrix(long renderer, long 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(long renderer, int flags);
@Override
public int saveLayer(RectF bounds, Paint paint, int saveFlags) {
if (bounds != null) {
return saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, paint, saveFlags);
}
final long nativePaint = paint == null ? 0 : paint.mNativePaint;
return nSaveLayer(mRenderer, nativePaint, saveFlags);
}
private static native int nSaveLayer(long renderer, long paint, int saveFlags);
@Override
public int saveLayer(float left, float top, float right, float bottom, Paint paint,
int saveFlags) {
if (left < right && top < bottom) {
final long nativePaint = paint == null ? 0 : paint.mNativePaint;
return nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags);
}
return save(saveFlags);
}
private static native int nSaveLayer(long renderer, float left, float top,
float right, float bottom, long paint, int saveFlags);
@Override
public int saveLayerAlpha(RectF bounds, int alpha, int saveFlags) {
if (bounds != null) {
return saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom,
alpha, saveFlags);
}
return nSaveLayerAlpha(mRenderer, alpha, saveFlags);
}
private static native int nSaveLayerAlpha(long renderer, int alpha, int 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(long renderer, float left, float top, float right,
float bottom, int alpha, int saveFlags);
@Override
public void restore() {
nRestore(mRenderer);
}
private static native void nRestore(long renderer);
@Override
public void restoreToCount(int saveCount) {
nRestoreToCount(mRenderer, saveCount);
}
private static native void nRestoreToCount(long renderer, int saveCount);
@Override
public int getSaveCount() {
return nGetSaveCount(mRenderer);
}
private static native int nGetSaveCount(long renderer);
///////////////////////////////////////////////////////////////////////////
// Filtering
///////////////////////////////////////////////////////////////////////////
@Override
public void setDrawFilter(DrawFilter filter) {
mFilter = filter;
if (filter == null) {
nResetPaintFilter(mRenderer);
} else if (filter instanceof PaintFlagsDrawFilter) {
PaintFlagsDrawFilter flagsFilter = (PaintFlagsDrawFilter) filter;
nSetupPaintFilter(mRenderer, flagsFilter.clearBits, flagsFilter.setBits);
}
}
private static native void nResetPaintFilter(long renderer);
private static native void nSetupPaintFilter(long renderer, int clearBits, int setBits);
@Override
public DrawFilter getDrawFilter() {
return mFilter;
}
///////////////////////////////////////////////////////////////////////////
// Drawing
///////////////////////////////////////////////////////////////////////////
@Override
public void drawArc(float left, float top, float right, float bottom,
float startAngle, float sweepAngle, boolean useCenter, Paint paint) {
nDrawArc(mRenderer, left, top, right, bottom,
startAngle, sweepAngle, useCenter, paint.mNativePaint);
}
private static native void nDrawArc(long renderer, float left, float top,
float right, float bottom, float startAngle, float sweepAngle,
boolean useCenter, long 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(NinePatch patch, Rect dst, Paint paint) {
Bitmap bitmap = patch.getBitmap();
throwIfCannotDraw(bitmap);
final long nativePaint = paint == null ? 0 : paint.mNativePaint;
nDrawPatch(mRenderer, bitmap.mNativeBitmap, patch.mNativeChunk,
dst.left, dst.top, dst.right, dst.bottom, nativePaint);
}
@Override
public void drawPatch(NinePatch patch, RectF dst, Paint paint) {
Bitmap bitmap = patch.getBitmap();
throwIfCannotDraw(bitmap);
final long nativePaint = paint == null ? 0 : paint.mNativePaint;
nDrawPatch(mRenderer, bitmap.mNativeBitmap, patch.mNativeChunk,
dst.left, dst.top, dst.right, dst.bottom, nativePaint);
}
private static native void nDrawPatch(long renderer, long bitmap, long chunk,
float left, float top, float right, float bottom, long paint);
@Override
public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) {
throwIfCannotDraw(bitmap);
final long nativePaint = paint == null ? 0 : paint.mNativePaint;
nDrawBitmap(mRenderer, bitmap.mNativeBitmap, left, top, nativePaint);
}
private static native void nDrawBitmap(long renderer, long bitmap, float left,
float top, long paint);
@Override
public void drawBitmap(Bitmap bitmap, Matrix matrix, Paint paint) {
throwIfCannotDraw(bitmap);
final long nativePaint = paint == null ? 0 : paint.mNativePaint;
nDrawBitmap(mRenderer, bitmap.mNativeBitmap, matrix.native_instance, nativePaint);
}
private static native void nDrawBitmap(long renderer, long bitmap,
long matrix, long paint);
@Override
public void drawBitmap(Bitmap bitmap, Rect src, Rect dst, Paint paint) {
throwIfCannotDraw(bitmap);
final long 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, left, top, right, bottom,
dst.left, dst.top, dst.right, dst.bottom, nativePaint);
}
@Override
public void drawBitmap(Bitmap bitmap, Rect src, RectF dst, Paint paint) {
throwIfCannotDraw(bitmap);
final long nativePaint = paint == null ? 0 : paint.mNativePaint;
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(mRenderer, bitmap.mNativeBitmap, left, top, right, bottom,
dst.left, dst.top, dst.right, dst.bottom, nativePaint);
}
private static native void nDrawBitmap(long renderer, long bitmap,
float srcLeft, float srcTop, float srcRight, float srcBottom,
float left, float top, float right, float bottom, long paint);
@Override
public void drawBitmap(int[] colors, int offset, int stride, float x, float y,
int width, int height, boolean hasAlpha, Paint paint) {
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();
}
final long nativePaint = paint == null ? 0 : paint.mNativePaint;
nDrawBitmap(mRenderer, colors, offset, stride, x, y,
width, height, hasAlpha, nativePaint);
}
private static native void nDrawBitmap(long renderer, int[] colors, int offset, int stride,
float x, float y, int width, int height, boolean hasAlpha, long nativePaint);
@Override
public void drawBitmap(int[] colors, int offset, int stride, int x, int y,
int width, int height, boolean hasAlpha, Paint paint) {
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) {
throwIfCannotDraw(bitmap);
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);
if (colors != null) {
checkRange(colors.length, colorOffset, count);
}
final long nativePaint = paint == null ? 0 : paint.mNativePaint;
nDrawBitmapMesh(mRenderer, bitmap.mNativeBitmap, meshWidth, meshHeight,
verts, vertOffset, colors, colorOffset, nativePaint);
}
private static native void nDrawBitmapMesh(long renderer, long bitmap,
int meshWidth, int meshHeight, float[] verts, int vertOffset,
int[] colors, int colorOffset, long paint);
@Override
public void drawCircle(float cx, float cy, float radius, Paint paint) {
nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint);
}
private static native void nDrawCircle(long renderer, float cx, float cy,
float radius, long paint);
@Override
public void drawCircle(CanvasProperty<Float> cx, CanvasProperty<Float> cy,
CanvasProperty<Float> radius, CanvasProperty<Paint> paint) {
nDrawCircle(mRenderer, cx.getNativeContainer(), cy.getNativeContainer(),
radius.getNativeContainer(), paint.getNativeContainer());
}
private static native void nDrawCircle(long renderer, long propCx,
long propCy, long propRadius, long propPaint);
@Override
public void drawRoundRect(CanvasProperty<Float> left, CanvasProperty<Float> top,
CanvasProperty<Float> right, CanvasProperty<Float> bottom, CanvasProperty<Float> rx,
CanvasProperty<Float> ry, CanvasProperty<Paint> paint) {
nDrawRoundRect(mRenderer, left.getNativeContainer(), top.getNativeContainer(),
right.getNativeContainer(), bottom.getNativeContainer(),
rx.getNativeContainer(), ry.getNativeContainer(),
paint.getNativeContainer());
}
private static native void nDrawRoundRect(long renderer, long propLeft, long propTop,
long propRight, long propBottom, long propRx, long propRy, long propPaint);
@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(long renderer, int color, int mode);
@Override
public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) {
float[] line = getLineStorage();
line[0] = startX;
line[1] = startY;
line[2] = stopX;
line[3] = stopY;
drawLines(line, 0, 4, paint);
}
@Override
public void drawLines(float[] pts, int offset, int count, Paint paint) {
if (count < 4) return;
if ((offset | count) < 0 || offset + count > pts.length) {
throw new IllegalArgumentException("The lines array must contain 4 elements per line.");
}
nDrawLines(mRenderer, pts, offset, count, paint.mNativePaint);
}
private static native void nDrawLines(long renderer, float[] points,
int offset, int count, long paint);
@Override
public void drawLines(float[] pts, Paint paint) {
drawLines(pts, 0, pts.length, paint);
}
@Override
public void drawOval(float left, float top, float right, float bottom, Paint paint) {
nDrawOval(mRenderer, left, top, right, bottom, paint.mNativePaint);
}
private static native void nDrawOval(long renderer, float left, float top,
float right, float bottom, long paint);
@Override
public void drawPaint(Paint paint) {
final Rect r = getInternalClipBounds();
nGetClipBounds(mRenderer, r);
drawRect(r.left, r.top, r.right, r.bottom, paint);
}
@Override
public void drawPath(Path path, Paint paint) {
if (path.isSimplePath) {
if (path.rects != null) {
nDrawRects(mRenderer, path.rects.mNativeRegion, paint.mNativePaint);
}
} else {
nDrawPath(mRenderer, path.mNativePath, paint.mNativePaint);
}
}
private static native void nDrawPath(long renderer, long path, long paint);
private static native void nDrawRects(long renderer, long region, long paint);
@Override
public void drawPicture(Picture picture) {
picture.endRecording();
// TODO: Implement rendering
}
@Override
public void drawPoint(float x, float y, Paint paint) {
float[] point = getPointStorage();
point[0] = x;
point[1] = y;
drawPoints(point, 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) {
if (count < 2) return;
nDrawPoints(mRenderer, pts, offset, count, paint.mNativePaint);
}
private static native void nDrawPoints(long renderer, float[] points,
int offset, int count, long paint);
// Note: drawPosText just uses implementation in Canvas
@Override
public void drawRect(float left, float top, float right, float bottom, Paint paint) {
if (left == right || top == bottom) return;
nDrawRect(mRenderer, left, top, right, bottom, paint.mNativePaint);
}
private static native void nDrawRect(long renderer, float left, float top,
float right, float bottom, long 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(float left, float top, float right, float bottom, float rx, float ry,
Paint paint) {
nDrawRoundRect(mRenderer, left, top, right, bottom, rx, ry, paint.mNativePaint);
}
private static native void nDrawRoundRect(long renderer, float left, float top,
float right, float bottom, float rx, float y, long 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();
}
nDrawText(mRenderer, text, index, count, x, y,
paint.mBidiFlags, paint.mNativePaint, paint.mNativeTypeface);
}
private static native void nDrawText(long renderer, char[] text, int index, int count,
float x, float y, int bidiFlags, long paint, long typeface);
@Override
public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) {
if ((start | end | (end - start) | (text.length() - end)) < 0) {
throw new IndexOutOfBoundsException();
}
if (text instanceof String || text instanceof SpannedString ||
text instanceof SpannableString) {
nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags,
paint.mNativePaint, 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(mRenderer, buf, 0, end - start, x, y,
paint.mBidiFlags, paint.mNativePaint, paint.mNativeTypeface);
TemporaryBuffer.recycle(buf);
}
}
@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();
}
nDrawText(mRenderer, text, start, end, x, y,
paint.mBidiFlags, paint.mNativePaint, paint.mNativeTypeface);
}
private static native void nDrawText(long renderer, String text, int start, int end,
float x, float y, int bidiFlags, long paint, long typeface);
@Override
public void drawText(String text, float x, float y, Paint paint) {
nDrawText(mRenderer, text, 0, text.length(), x, y,
paint.mBidiFlags, paint.mNativePaint, paint.mNativeTypeface);
}
@Override
public void drawTextOnPath(char[] text, int index, int count, Path path, float hOffset,
float vOffset, Paint paint) {
if (index < 0 || index + count > text.length) {
throw new ArrayIndexOutOfBoundsException();
}
nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset,
paint.mBidiFlags, paint.mNativePaint, paint.mNativeTypeface);
}
private static native void nDrawTextOnPath(long renderer, char[] text, int index, int count,
long path, float hOffset, float vOffset, int bidiFlags, long nativePaint,
long typeface);
@Override
public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) {
if (text.length() == 0) return;
nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset,
paint.mBidiFlags, paint.mNativePaint, paint.mNativeTypeface);
}
private static native void nDrawTextOnPath(long renderer, String text, int start, int end,
long path, float hOffset, float vOffset, int bidiFlags, long nativePaint,
long typeface);
@Override
public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount,
float x, float y, boolean isRtl, Paint paint) {
if ((index | count | text.length - index - count) < 0) {
throw new IndexOutOfBoundsException();
}
nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, isRtl,
paint.mNativePaint, paint.mNativeTypeface);
}
private static native void nDrawTextRun(long renderer, char[] text, int index, int count,
int contextIndex, int contextCount, float x, float y, boolean isRtl, long nativePaint, long nativeTypeface);
@Override
public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd,
float x, float y, boolean isRtl, Paint paint) {
if ((start | end | end - start | text.length() - end) < 0) {
throw new IndexOutOfBoundsException();
}
if (text instanceof String || text instanceof SpannedString ||
text instanceof SpannableString) {
nDrawTextRun(mRenderer, text.toString(), start, end, contextStart,
contextEnd, x, y, isRtl, paint.mNativePaint, 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(mRenderer, buf, start - contextStart, len, 0, contextLen,
x, y, isRtl, paint.mNativePaint, paint.mNativeTypeface);
TemporaryBuffer.recycle(buf);
}
}
private static native void nDrawTextRun(long renderer, String text, int start, int end,
int contextStart, int contextEnd, float x, float y, boolean isRtl, long nativePaint, long nativeTypeface);
@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
}
}
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