Deprecate unused APIs
Change-Id: I0107e246b632dda96b8b025217936954f1f46283
diff --git a/api/current.txt b/api/current.txt
index f946dda..ca0f9b9 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -7981,8 +7981,8 @@
method public void drawPoint(float, float, android.graphics.Paint);
method public void drawPoints(float[], int, int, android.graphics.Paint);
method public void drawPoints(float[], android.graphics.Paint);
- method public void drawPosText(char[], int, int, float[], android.graphics.Paint);
- method public void drawPosText(java.lang.String, float[], android.graphics.Paint);
+ method public deprecated void drawPosText(char[], int, int, float[], android.graphics.Paint);
+ method public deprecated void drawPosText(java.lang.String, float[], android.graphics.Paint);
method public void drawRGB(int, int, int);
method public void drawRect(android.graphics.RectF, android.graphics.Paint);
method public void drawRect(android.graphics.Rect, android.graphics.Paint);
@@ -8000,7 +8000,7 @@
method public int getDensity();
method public android.graphics.DrawFilter getDrawFilter();
method public int getHeight();
- method public void getMatrix(android.graphics.Matrix);
+ method public deprecated void getMatrix(android.graphics.Matrix);
method public final android.graphics.Matrix getMatrix();
method public int getMaximumBitmapHeight();
method public int getMaximumBitmapWidth();
@@ -8331,7 +8331,7 @@
method public final boolean isDither();
method public final boolean isFakeBoldText();
method public final boolean isFilterBitmap();
- method public final boolean isLinearText();
+ method public final deprecated boolean isLinearText();
method public final boolean isStrikeThruText();
method public final boolean isSubpixelText();
method public final boolean isUnderlineText();
@@ -8351,7 +8351,7 @@
method public void setFilterBitmap(boolean);
method public void setFlags(int);
method public void setHinting(int);
- method public void setLinearText(boolean);
+ method public deprecated void setLinearText(boolean);
method public android.graphics.MaskFilter setMaskFilter(android.graphics.MaskFilter);
method public android.graphics.PathEffect setPathEffect(android.graphics.PathEffect);
method public android.graphics.Rasterizer setRasterizer(android.graphics.Rasterizer);
diff --git a/core/java/android/view/GLES20Canvas.java b/core/java/android/view/GLES20Canvas.java
index 5a436c4..e06d661 100644
--- a/core/java/android/view/GLES20Canvas.java
+++ b/core/java/android/view/GLES20Canvas.java
@@ -908,12 +908,20 @@
@Override
public void drawPicture(Picture picture) {
+ if (picture.createdFromStream) {
+ return;
+ }
+
picture.endRecording();
// TODO: Implement rendering
}
@Override
public void drawPicture(Picture picture, Rect dst) {
+ if (picture.createdFromStream) {
+ return;
+ }
+
save();
translate(dst.left, dst.top);
if (picture.getWidth() > 0 && picture.getHeight() > 0) {
@@ -925,6 +933,10 @@
@Override
public void drawPicture(Picture picture, RectF dst) {
+ if (picture.createdFromStream) {
+ return;
+ }
+
save();
translate(dst.left, dst.top);
if (picture.getWidth() > 0 && picture.getHeight() > 0) {
diff --git a/graphics/java/android/graphics/Canvas.java b/graphics/java/android/graphics/Canvas.java
index 5cac42a..e8be451 100644
--- a/graphics/java/android/graphics/Canvas.java
+++ b/graphics/java/android/graphics/Canvas.java
@@ -130,8 +130,7 @@
*/
public Canvas(Bitmap bitmap) {
if (!bitmap.isMutable()) {
- throw new IllegalStateException(
- "Immutable bitmap passed to Canvas constructor");
+ throw new IllegalStateException("Immutable bitmap passed to Canvas constructor");
}
throwIfRecycled(bitmap);
mNativeCanvas = initRaster(bitmap.ni());
@@ -361,8 +360,8 @@
/**
* Helper version of saveLayer() that takes 4 values rather than a RectF.
*/
- public int saveLayer(float left, float top, float right, float bottom,
- Paint paint, int saveFlags) {
+ public int saveLayer(float left, float top, float right, float bottom, Paint paint,
+ int saveFlags) {
return native_saveLayer(mNativeCanvas, left, top, right, bottom,
paint != null ? paint.mNativePaint : 0,
saveFlags);
@@ -392,8 +391,8 @@
/**
* Helper for saveLayerAlpha() that takes 4 values instead of a RectF.
*/
- public int saveLayerAlpha(float left, float top, float right, float bottom,
- int alpha, int saveFlags) {
+ public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha,
+ int saveFlags) {
return native_saveLayerAlpha(mNativeCanvas, left, top, right, bottom,
alpha, saveFlags);
}
@@ -496,9 +495,15 @@
/**
* Completely replace the current matrix with the specified matrix. If the
* matrix parameter is null, then the current matrix is reset to identity.
+ *
+ * <strong>Note:</strong> it is recommended to use {@link #concat(Matrix)},
+ * {@link #scale(float, float)}, {@link #translate(float, float)} and
+ * {@link #rotate(float)} instead of this method.
*
* @param matrix The matrix to replace the current matrix with. If it is
* null, set the current matrix to identity.
+ *
+ * @see #concat(Matrix)
*/
public void setMatrix(Matrix matrix) {
native_setMatrix(mNativeCanvas,
@@ -509,6 +514,7 @@
* Return, in ctm, the current transformation matrix. This does not alter
* the matrix in the canvas, but just returns a copy of it.
*/
+ @Deprecated
public void getMatrix(Matrix ctm) {
native_getCTM(mNativeCanvas, ctm.native_instance);
}
@@ -516,9 +522,12 @@
/**
* Return a new matrix with a copy of the canvas' current transformation
* matrix.
+ *
+ * @Deprecated
*/
public final Matrix getMatrix() {
Matrix m = new Matrix();
+ //noinspection deprecation
getMatrix(m);
return m;
}
@@ -531,9 +540,8 @@
* @return true if the resulting clip is non-empty
*/
public boolean clipRect(RectF rect, Region.Op op) {
- return native_clipRect(mNativeCanvas,
- rect.left, rect.top, rect.right, rect.bottom,
- op.nativeInt);
+ return native_clipRect(mNativeCanvas, rect.left, rect.top, rect.right, rect.bottom,
+ op.nativeInt);
}
/**
@@ -545,9 +553,8 @@
* @return true if the resulting clip is non-empty
*/
public boolean clipRect(Rect rect, Region.Op op) {
- return native_clipRect(mNativeCanvas,
- rect.left, rect.top, rect.right, rect.bottom,
- op.nativeInt);
+ return native_clipRect(mNativeCanvas, rect.left, rect.top, rect.right, rect.bottom,
+ op.nativeInt);
}
/**
@@ -583,10 +590,8 @@
* @param op How the clip is modified
* @return true if the resulting clip is non-empty
*/
- public boolean clipRect(float left, float top, float right, float bottom,
- Region.Op op) {
- return native_clipRect(mNativeCanvas, left, top, right, bottom,
- op.nativeInt);
+ public boolean clipRect(float left, float top, float right, float bottom, Region.Op op) {
+ return native_clipRect(mNativeCanvas, left, top, right, bottom, op.nativeInt);
}
/**
@@ -602,9 +607,8 @@
* clip
* @return true if the resulting clip is non-empty
*/
- public native boolean clipRect(float left, float top,
- float right, float bottom);
-
+ public native boolean clipRect(float left, float top, float right, float bottom);
+
/**
* Intersect the current clip with the specified rectangle, which is
* expressed in local coordinates.
@@ -618,9 +622,8 @@
* clip
* @return true if the resulting clip is non-empty
*/
- public native boolean clipRect(int left, int top,
- int right, int bottom);
-
+ public native boolean clipRect(int left, int top, int right, int bottom);
+
/**
* Modify the current clip with the specified path.
*
@@ -753,8 +756,7 @@
* @return true if the rect (transformed by the canvas' matrix)
* does not intersect with the canvas' clip
*/
- public boolean quickReject(float left, float top, float right, float bottom,
- EdgeType type) {
+ public boolean quickReject(float left, float top, float right, float bottom, EdgeType type) {
return native_quickReject(mNativeCanvas, left, top, right, bottom,
type.nativeInt);
}
@@ -854,8 +856,7 @@
* "points" that are drawn is really (count >> 1).
* @param paint The paint used to draw the points
*/
- public native void drawPoints(float[] pts, int offset, int count,
- Paint paint);
+ public native void drawPoints(float[] pts, int offset, int count, Paint paint);
/**
* Helper for drawPoints() that assumes you want to draw the entire array
@@ -878,10 +879,8 @@
* @param startY The y-coordinate of the start point of the line
* @param paint The paint used to draw the line
*/
- public void drawLine(float startX, float startY, float stopX, float stopY,
- Paint paint) {
- native_drawLine(mNativeCanvas, startX, startY, stopX, stopY,
- paint.mNativePaint);
+ public void drawLine(float startX, float startY, float stopX, float stopY, Paint paint) {
+ native_drawLine(mNativeCanvas, startX, startY, stopX, stopY, paint.mNativePaint);
}
/**
@@ -899,8 +898,7 @@
* (count >> 2).
* @param paint The paint used to draw the points
*/
- public native void drawLines(float[] pts, int offset, int count,
- Paint paint);
+ public native void drawLines(float[] pts, int offset, int count, Paint paint);
public void drawLines(float[] pts, Paint paint) {
drawLines(pts, 0, pts.length, paint);
@@ -939,10 +937,8 @@
* @param bottom The bottom side of the rectangle to be drawn
* @param paint The paint used to draw the rect
*/
- public void drawRect(float left, float top, float right, float bottom,
- Paint paint) {
- native_drawRect(mNativeCanvas, left, top, right, bottom,
- paint.mNativePaint);
+ public void drawRect(float left, float top, float right, float bottom, Paint paint) {
+ native_drawRect(mNativeCanvas, left, top, right, bottom, paint.mNativePaint);
}
/**
@@ -969,8 +965,7 @@
* @param paint The paint used to draw the circle
*/
public void drawCircle(float cx, float cy, float radius, Paint paint) {
- native_drawCircle(mNativeCanvas, cx, cy, radius,
- paint.mNativePaint);
+ native_drawCircle(mNativeCanvas, cx, cy, radius, paint.mNativePaint);
}
/**
@@ -996,8 +991,8 @@
close it if it is being stroked. This will draw a wedge
* @param paint The paint used to draw the arc
*/
- public void drawArc(RectF oval, float startAngle, float sweepAngle,
- boolean useCenter, Paint paint) {
+ public void drawArc(RectF oval, float startAngle, float sweepAngle, boolean useCenter,
+ Paint paint) {
if (oval == null) {
throw new NullPointerException();
}
@@ -1035,8 +1030,7 @@
private static void throwIfRecycled(Bitmap bitmap) {
if (bitmap.isRecycled()) {
- throw new RuntimeException(
- "Canvas: trying to use a recycled bitmap " + bitmap);
+ throw new RuntimeException("Canvas: trying to use a recycled bitmap " + bitmap);
}
}
@@ -1077,8 +1071,7 @@
public void drawBitmap(Bitmap bitmap, float left, float top, Paint paint) {
throwIfRecycled(bitmap);
native_drawBitmap(mNativeCanvas, bitmap.ni(), left, top,
- paint != null ? paint.mNativePaint : 0, mDensity, mScreenDensity,
- bitmap.mDensity);
+ paint != null ? paint.mNativePaint : 0, mDensity, mScreenDensity, bitmap.mDensity);
}
/**
@@ -1109,8 +1102,7 @@
}
throwIfRecycled(bitmap);
native_drawBitmap(mNativeCanvas, bitmap.ni(), src, dst,
- paint != null ? paint.mNativePaint : 0,
- mScreenDensity, bitmap.mDensity);
+ paint != null ? paint.mNativePaint : 0, mScreenDensity, bitmap.mDensity);
}
/**
@@ -1141,8 +1133,7 @@
}
throwIfRecycled(bitmap);
native_drawBitmap(mNativeCanvas, bitmap.ni(), src, dst,
- paint != null ? paint.mNativePaint : 0,
- mScreenDensity, bitmap.mDensity);
+ paint != null ? paint.mNativePaint : 0, mScreenDensity, bitmap.mDensity);
}
/**
@@ -1164,9 +1155,8 @@
* be 0xFF for every pixel).
* @param paint May be null. The paint used to draw the bitmap
*/
- public void drawBitmap(int[] colors, int offset, int stride, float x,
- float y, int width, int height, boolean hasAlpha,
- Paint paint) {
+ public void drawBitmap(int[] colors, int offset, int stride, float x, float y,
+ int width, int height, boolean hasAlpha, Paint paint) {
// check for valid input
if (width < 0) {
throw new IllegalArgumentException("width must be >= 0");
@@ -1195,8 +1185,7 @@
/** Legacy version of drawBitmap(int[] colors, ...) that took ints for x,y
*/
public void drawBitmap(int[] colors, int offset, int stride, int x, int y,
- int width, int height, boolean hasAlpha,
- Paint paint) {
+ int width, int height, boolean hasAlpha, Paint paint) {
// call through to the common float version
drawBitmap(colors, offset, stride, (float)x, (float)y, width, height,
hasAlpha, paint);
@@ -1250,8 +1239,7 @@
* @param paint May be null. The paint used to draw the bitmap
*/
public void drawBitmapMesh(Bitmap bitmap, int meshWidth, int meshHeight,
- float[] verts, int vertOffset,
- int[] colors, int colorOffset, Paint paint) {
+ float[] verts, int vertOffset, int[] colors, int colorOffset, Paint paint) {
if ((meshWidth | meshHeight | vertOffset | colorOffset) < 0) {
throw new ArrayIndexOutOfBoundsException();
}
@@ -1269,7 +1257,7 @@
verts, vertOffset, colors, colorOffset,
paint != null ? paint.mNativePaint : 0);
}
-
+
public enum VertexMode {
TRIANGLES(0),
TRIANGLE_STRIP(1),
@@ -1315,12 +1303,9 @@
* @param indexCount number of entries in the indices array (if not null).
* @param paint Specifies the shader to use if the texs array is non-null.
*/
- 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) {
+ 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) {
checkRange(verts.length, vertOffset, vertexCount);
if (texs != null) {
checkRange(texs.length, texOffset, vertexCount);
@@ -1345,8 +1330,7 @@
* @param y The y-coordinate of the origin of the text being drawn
* @param paint The paint used for the text (e.g. color, size, style)
*/
- public void drawText(char[] text, int index, int count, float x, float y,
- Paint paint) {
+ 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();
@@ -1380,8 +1364,7 @@
* @param y The y-coordinate of the origin of the text being drawn
* @param paint The paint used for the text (e.g. color, size, style)
*/
- public void drawText(String text, int start, int end, float x, float y,
- Paint paint) {
+ 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();
}
@@ -1402,8 +1385,7 @@
* @param y The y-coordinate of origin for where to draw the text
* @param paint The paint used for the text (e.g. color, size, style)
*/
- public void drawText(CharSequence text, int start, int end, float x,
- float y, Paint paint) {
+ public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) {
if (text instanceof String || text instanceof SpannedString ||
text instanceof SpannableString) {
native_drawText(mNativeCanvas, text.toString(), start, end, x, y,
@@ -1441,9 +1423,8 @@
* @param paint the paint
* @hide
*/
- public void drawTextRun(char[] text, int index, int count,
- int contextIndex, int contextCount, float x, float y, int dir,
- Paint paint) {
+ public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount,
+ float x, float y, int dir, Paint paint) {
if (text == null) {
throw new NullPointerException("text is null");
@@ -1479,9 +1460,8 @@
* @param paint the paint
* @hide
*/
- public void drawTextRun(CharSequence text, int start, int end,
- int contextStart, int contextEnd, float x, float y, int dir,
- Paint paint) {
+ public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd,
+ float x, float y, int dir, Paint paint) {
if (text == null) {
throw new NullPointerException("text is null");
@@ -1527,8 +1507,8 @@
* character
* @param paint The paint used for the text (e.g. color, size, style)
*/
- public void drawPosText(char[] text, int index, int count, float[] pos,
- Paint paint) {
+ @Deprecated
+ public void drawPosText(char[] text, int index, int count, float[] pos, Paint paint) {
if (index < 0 || index + count > text.length || count*2 > pos.length) {
throw new IndexOutOfBoundsException();
}
@@ -1547,6 +1527,7 @@
* @param pos Array of [x,y] positions, used to position each character
* @param paint The paint used for the text (e.g. color, size, style)
*/
+ @Deprecated
public void drawPosText(String text, float[] pos, Paint paint) {
if (text.length()*2 > pos.length) {
throw new ArrayIndexOutOfBoundsException();
@@ -1568,7 +1549,7 @@
* @param paint The paint used for the text (e.g. color, size, style)
*/
public void drawTextOnPath(char[] text, int index, int count, Path path,
- float hOffset, float vOffset, Paint paint) {
+ float hOffset, float vOffset, Paint paint) {
if (index < 0 || index + count > text.length) {
throw new ArrayIndexOutOfBoundsException();
}
@@ -1590,12 +1571,10 @@
* the text
* @param paint The paint used for the text (e.g. color, size, style)
*/
- public void drawTextOnPath(String text, Path path, float hOffset,
- float vOffset, Paint paint) {
+ public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) {
if (text.length() > 0) {
- native_drawTextOnPath(mNativeCanvas, text, path.ni(),
- hOffset, vOffset, paint.mBidiFlags,
- paint.mNativePaint);
+ native_drawTextOnPath(mNativeCanvas, text, path.ni(), hOffset, vOffset,
+ paint.mBidiFlags, paint.mNativePaint);
}
}
@@ -1618,8 +1597,7 @@
save();
translate(dst.left, dst.top);
if (picture.getWidth() > 0 && picture.getHeight() > 0) {
- scale(dst.width() / picture.getWidth(),
- dst.height() / picture.getHeight());
+ scale(dst.width() / picture.getWidth(), dst.height() / picture.getHeight());
}
drawPicture(picture);
restore();
@@ -1632,8 +1610,8 @@
save();
translate(dst.left, dst.top);
if (picture.getWidth() > 0 && picture.getHeight() > 0) {
- scale((float)dst.width() / picture.getWidth(),
- (float)dst.height() / picture.getHeight());
+ scale((float) dst.width() / picture.getWidth(),
+ (float) dst.height() / picture.getHeight());
}
drawPicture(picture);
restore();
diff --git a/graphics/java/android/graphics/Paint.java b/graphics/java/android/graphics/Paint.java
index ce42612..006b31f 100644
--- a/graphics/java/android/graphics/Paint.java
+++ b/graphics/java/android/graphics/Paint.java
@@ -528,6 +528,7 @@
*
* @return true if the lineartext bit is set in the paint's flags
*/
+ @Deprecated
public final boolean isLinearText() {
return (getFlags() & LINEAR_TEXT_FLAG) != 0;
}
@@ -538,6 +539,7 @@
* @param linearText true to set the linearText bit in the paint's flags,
* false to clear it.
*/
+ @Deprecated
public native void setLinearText(boolean linearText);
/**
diff --git a/graphics/java/android/graphics/Picture.java b/graphics/java/android/graphics/Picture.java
index 9c06fed..997141d 100644
--- a/graphics/java/android/graphics/Picture.java
+++ b/graphics/java/android/graphics/Picture.java
@@ -32,10 +32,15 @@
private Canvas mRecordingCanvas;
private final int mNativePicture;
+ /**
+ * @hide
+ */
+ public final boolean createdFromStream;
+
private static final int WORKING_STREAM_STORAGE = 16 * 1024;
public Picture() {
- this(nativeConstructor(0));
+ this(nativeConstructor(0), false);
}
/**
@@ -44,7 +49,7 @@
* changes will not be reflected in this picture.
*/
public Picture(Picture src) {
- this(nativeConstructor(src != null ? src.mNativePicture : 0));
+ this(nativeConstructor(src != null ? src.mNativePicture : 0), false);
}
/**
@@ -101,15 +106,24 @@
/**
* Create a new picture (already recorded) from the data in the stream. This
* data was generated by a previous call to writeToStream().
+ *
+ * <strong>Note:</strong> a picture created from an input stream cannot be
+ * replayed on a hardware accelerated canvas.
+ *
+ * @see #writeToStream(java.io.OutputStream)
*/
public static Picture createFromStream(InputStream stream) {
- return new Picture(
- nativeCreateFromStream(stream, new byte[WORKING_STREAM_STORAGE]));
+ return new Picture(nativeCreateFromStream(stream, new byte[WORKING_STREAM_STORAGE]), true);
}
/**
* Write the picture contents to a stream. The data can be used to recreate
* the picture in this or another process by calling createFromStream.
+ *
+ * <strong>Note:</strong> a picture created from an input stream cannot be
+ * replayed on a hardware accelerated canvas.
+ *
+ * @see #createFromStream(java.io.InputStream)
*/
public void writeToStream(OutputStream stream) {
// do explicit check before calling the native method
@@ -129,16 +143,17 @@
super.finalize();
}
}
-
- /*package*/ final int ni() {
+
+ final int ni() {
return mNativePicture;
}
- private Picture(int nativePicture) {
+ private Picture(int nativePicture, boolean fromStream) {
if (nativePicture == 0) {
throw new RuntimeException();
}
mNativePicture = nativePicture;
+ createdFromStream = fromStream;
}
// return empty picture if src is 0, or a copy of the native src
diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index 6f97ff0..112c606 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -38,6 +38,15 @@
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
+
+ <activity
+ android:name="MatrixActivity"
+ android:label="_Matrix">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
<activity
android:name="TextFadeActivity"
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/MatrixActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/MatrixActivity.java
new file mode 100644
index 0000000..1906b9d
--- /dev/null
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/MatrixActivity.java
@@ -0,0 +1,56 @@
+/*
+ * 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 com.android.test.hwui;
+
+import android.app.Activity;
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+
+@SuppressWarnings({"UnusedDeclaration"})
+public class MatrixActivity extends Activity {
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ setContentView(new MatrixView(this));
+ }
+
+ static class MatrixView extends View {
+ MatrixView(Context c) {
+ super(c);
+ }
+
+ @Override
+ protected void onDraw(Canvas canvas) {
+ super.onDraw(canvas);
+ canvas.drawRGB(255, 255, 255);
+
+ Log.d("Matrix", "m1=" + canvas.getMatrix());
+
+ canvas.save();
+ canvas.translate(10.0f, 10.0f);
+ Log.d("Matrix", "m2=" + canvas.getMatrix());
+ canvas.translate(20.0f, 20.0f);
+ Log.d("Matrix", "m3=" + canvas.getMatrix());
+ canvas.restore();
+ }
+ }
+}