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-rw-r--r--api/current.txt11
-rw-r--r--api/removed.txt11
-rw-r--r--core/java/android/view/View.java4
-rw-r--r--graphics/java/android/graphics/BaseCanvas.java6
-rw-r--r--graphics/java/android/graphics/Canvas.java44
5 files changed, 59 insertions, 17 deletions
diff --git a/api/current.txt b/api/current.txt
index 64b2d58f16d6..4d6e2d6b0e46 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -13306,14 +13306,9 @@ package android.graphics {
method public void rotate(float);
method public final void rotate(float, float, float);
method public int save();
- method public deprecated int save(int);
- method public deprecated int saveLayer(android.graphics.RectF, android.graphics.Paint, int);
method public int saveLayer(android.graphics.RectF, android.graphics.Paint);
- method public deprecated int saveLayer(float, float, float, float, android.graphics.Paint, int);
method public int saveLayer(float, float, float, float, android.graphics.Paint);
- method public deprecated int saveLayerAlpha(android.graphics.RectF, int, int);
method public int saveLayerAlpha(android.graphics.RectF, int);
- method public deprecated int saveLayerAlpha(float, float, float, float, int, int);
method public int saveLayerAlpha(float, float, float, float, int);
method public void scale(float, float);
method public final void scale(float, float, float, float);
@@ -13323,12 +13318,6 @@ package android.graphics {
method public void setMatrix(android.graphics.Matrix);
method public void skew(float, float);
method public void translate(float, float);
- field public static final int ALL_SAVE_FLAG = 31; // 0x1f
- field public static final deprecated int CLIP_SAVE_FLAG = 2; // 0x2
- field public static final deprecated int CLIP_TO_LAYER_SAVE_FLAG = 16; // 0x10
- field public static final deprecated int FULL_COLOR_LAYER_SAVE_FLAG = 8; // 0x8
- field public static final deprecated int HAS_ALPHA_LAYER_SAVE_FLAG = 4; // 0x4
- field public static final deprecated int MATRIX_SAVE_FLAG = 1; // 0x1
}
public static final class Canvas.EdgeType extends java.lang.Enum {
diff --git a/api/removed.txt b/api/removed.txt
index 4279c314ebdd..9fe25c90872b 100644
--- a/api/removed.txt
+++ b/api/removed.txt
@@ -168,6 +168,17 @@ package android.graphics {
public class Canvas {
method public deprecated boolean clipRegion(android.graphics.Region, android.graphics.Region.Op);
method public deprecated boolean clipRegion(android.graphics.Region);
+ method public deprecated int save(int);
+ method public deprecated int saveLayer(android.graphics.RectF, android.graphics.Paint, int);
+ method public deprecated int saveLayer(float, float, float, float, android.graphics.Paint, int);
+ method public deprecated int saveLayerAlpha(android.graphics.RectF, int, int);
+ method public deprecated int saveLayerAlpha(float, float, float, float, int, int);
+ field public static final int ALL_SAVE_FLAG = 31; // 0x1f
+ field public static final deprecated int CLIP_SAVE_FLAG = 2; // 0x2
+ field public static final deprecated int CLIP_TO_LAYER_SAVE_FLAG = 16; // 0x10
+ field public static final deprecated int FULL_COLOR_LAYER_SAVE_FLAG = 8; // 0x8
+ field public static final deprecated int HAS_ALPHA_LAYER_SAVE_FLAG = 4; // 0x4
+ field public static final deprecated int MATRIX_SAVE_FLAG = 1; // 0x1
}
public final class ImageDecoder implements java.lang.AutoCloseable {
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 639312733713..f6c669b52370 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -14927,10 +14927,6 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
* ImageView with only the foreground image. The default implementation returns true; subclasses
* should override if they have cases which can be optimized.</p>
*
- * <p>The current implementation of the saveLayer and saveLayerAlpha methods in {@link Canvas}
- * necessitates that a View return true if it uses the methods internally without passing the
- * {@link Canvas#CLIP_TO_LAYER_SAVE_FLAG}.</p>
- *
* <p><strong>Note:</strong> The return value of this method is ignored if {@link
* #forceHasOverlappingRendering(boolean)} has been called on this view.</p>
*
diff --git a/graphics/java/android/graphics/BaseCanvas.java b/graphics/java/android/graphics/BaseCanvas.java
index 5dc446391ec6..71ee6c2b4421 100644
--- a/graphics/java/android/graphics/BaseCanvas.java
+++ b/graphics/java/android/graphics/BaseCanvas.java
@@ -41,13 +41,19 @@ public abstract class BaseCanvas {
/**
* Should only be assigned in constructors (or setBitmap if software canvas),
* freed by NativeAllocation.
+ * @hide
*/
protected long mNativeCanvasWrapper;
/**
* Used to determine when compatibility scaling is in effect.
+ * @hide
*/
protected int mScreenDensity = Bitmap.DENSITY_NONE;
+
+ /**
+ * @hide
+ */
protected int mDensity = Bitmap.DENSITY_NONE;
private boolean mAllowHwBitmapsInSwMode = false;
diff --git a/graphics/java/android/graphics/Canvas.java b/graphics/java/android/graphics/Canvas.java
index b0bc1029c6df..7080657268d5 100644
--- a/graphics/java/android/graphics/Canvas.java
+++ b/graphics/java/android/graphics/Canvas.java
@@ -47,6 +47,7 @@ import javax.microedition.khronos.opengles.GL;
* Canvas and Drawables</a> developer guide.</p></div>
*/
public class Canvas extends BaseCanvas {
+ private static int sCompatiblityVersion = 0;
/** @hide */
public static boolean sCompatibilityRestore = false;
/** @hide */
@@ -306,7 +307,7 @@ public class Canvas extends BaseCanvas {
/**
* Restore the current matrix when restore() is called.
- *
+ * @removed
* @deprecated Use the flagless version of {@link #save()}, {@link #saveLayer(RectF, Paint)} or
* {@link #saveLayerAlpha(RectF, int)}. For saveLayer() calls the matrix
* was always restored for {@link #isHardwareAccelerated() Hardware accelerated}
@@ -318,6 +319,7 @@ public class Canvas extends BaseCanvas {
/**
* Restore the current clip when restore() is called.
*
+ * @removed
* @deprecated Use the flagless version of {@link #save()}, {@link #saveLayer(RectF, Paint)} or
* {@link #saveLayerAlpha(RectF, int)}. For saveLayer() calls the clip
* was always restored for {@link #isHardwareAccelerated() Hardware accelerated}
@@ -329,6 +331,7 @@ public class Canvas extends BaseCanvas {
/**
* The layer requires a per-pixel alpha channel.
*
+ * @removed
* @deprecated This flag is ignored. Use the flagless version of {@link #saveLayer(RectF, Paint)}
* {@link #saveLayerAlpha(RectF, int)}.
*/
@@ -337,6 +340,7 @@ public class Canvas extends BaseCanvas {
/**
* The layer requires full 8-bit precision for each color channel.
*
+ * @removed
* @deprecated This flag is ignored. Use the flagless version of {@link #saveLayer(RectF, Paint)}
* {@link #saveLayerAlpha(RectF, int)}.
*/
@@ -349,6 +353,7 @@ public class Canvas extends BaseCanvas {
* <code>saveLayerAlpha()</code> variants. Not passing this flag generally
* triggers extremely poor performance with hardware accelerated rendering.
*
+ * @removed
* @deprecated This flag results in poor performance and the same effect can be achieved with
* a single layer or multiple draw commands with different clips.
*
@@ -362,6 +367,7 @@ public class Canvas extends BaseCanvas {
* call to <code>saveLayer()</code> and <code>saveLayerAlpha()</code>
* variants.
*
+ * @removed There are no visible methods remaining that use this flag
* <p class="note"><strong>Note:</strong> all methods that accept this flag
* have flagless versions that are equivalent to passing this flag.
*/
@@ -393,6 +399,7 @@ public class Canvas extends BaseCanvas {
* restore() is made, those calls will be forgotten, and the settings that
* existed before the save() will be reinstated.
*
+ * @removed
* @deprecated Use {@link #save()} instead.
* @param saveFlags flag bits that specify which parts of the Canvas state
* to save/restore
@@ -424,6 +431,7 @@ public class Canvas extends BaseCanvas {
* {@link Paint#getColorFilter() ColorFilter} are applied when the
* offscreen bitmap is drawn back when restore() is called.
*
+ * @removed
* @deprecated Use {@link #saveLayer(RectF, Paint)} instead.
* @param bounds May be null. The maximum size the offscreen bitmap
* needs to be (in local coordinates)
@@ -473,8 +481,10 @@ public class Canvas extends BaseCanvas {
/**
* Helper version of saveLayer() that takes 4 values rather than a RectF.
*
+ * @removed
* @deprecated Use {@link #saveLayer(float, float, float, float, Paint)} instead.
*/
+ @Deprecated
public int saveLayer(float left, float top, float right, float bottom, @Nullable Paint paint,
@Saveflags int saveFlags) {
return nSaveLayer(mNativeCanvasWrapper, left, top, right, bottom,
@@ -510,6 +520,7 @@ public class Canvas extends BaseCanvas {
* The {@code alpha} parameter is applied when the offscreen bitmap is
* drawn back when restore() is called.
*
+ * @removed
* @deprecated Use {@link #saveLayerAlpha(RectF, int)} instead.
* @param bounds The maximum size the offscreen bitmap needs to be
* (in local coordinates)
@@ -542,8 +553,10 @@ public class Canvas extends BaseCanvas {
/**
* Helper for saveLayerAlpha() that takes 4 values instead of a RectF.
*
+ * @removed
* @deprecated Use {@link #saveLayerAlpha(float, float, float, float, int)} instead.
*/
+ @Deprecated
public int saveLayerAlpha(float left, float top, float right, float bottom, int alpha,
@Saveflags int saveFlags) {
alpha = Math.min(255, Math.max(0, alpha));
@@ -738,6 +751,14 @@ public class Canvas extends BaseCanvas {
return m;
}
+ private static void checkValidClipOp(@NonNull Region.Op op) {
+ if (sCompatiblityVersion >= Build.VERSION_CODES.P
+ && op != Region.Op.INTERSECT && op != Region.Op.DIFFERENCE) {
+ throw new IllegalArgumentException(
+ "Invalid Region.Op - only INTERSECT and DIFFERENCE are allowed");
+ }
+ }
+
/**
* Modify the current clip with the specified rectangle.
*
@@ -750,9 +771,13 @@ public class Canvas extends BaseCanvas {
* are intended to only expand the clip as a result of a restore operation. This enables a view
* parent to clip a canvas to clearly define the maximal drawing area of its children. The
* recommended alternative calls are {@link #clipRect(RectF)} and {@link #clipOutRect(RectF)};
+ *
+ * As of API Level API level {@value Build.VERSION_CODES#P} only {@link Region.Op#INTERSECT} and
+ * {@link Region.Op#DIFFERENCE} are valid Region.Op parameters.
*/
@Deprecated
public boolean clipRect(@NonNull RectF rect, @NonNull Region.Op op) {
+ checkValidClipOp(op);
return nClipRect(mNativeCanvasWrapper, rect.left, rect.top, rect.right, rect.bottom,
op.nativeInt);
}
@@ -770,9 +795,13 @@ public class Canvas extends BaseCanvas {
* are intended to only expand the clip as a result of a restore operation. This enables a view
* parent to clip a canvas to clearly define the maximal drawing area of its children. The
* recommended alternative calls are {@link #clipRect(Rect)} and {@link #clipOutRect(Rect)};
+ *
+ * As of API Level API level {@value Build.VERSION_CODES#P} only {@link Region.Op#INTERSECT} and
+ * {@link Region.Op#DIFFERENCE} are valid Region.Op parameters.
*/
@Deprecated
public boolean clipRect(@NonNull Rect rect, @NonNull Region.Op op) {
+ checkValidClipOp(op);
return nClipRect(mNativeCanvasWrapper, rect.left, rect.top, rect.right, rect.bottom,
op.nativeInt);
}
@@ -846,10 +875,14 @@ public class Canvas extends BaseCanvas {
* parent to clip a canvas to clearly define the maximal drawing area of its children. The
* recommended alternative calls are {@link #clipRect(float,float,float,float)} and
* {@link #clipOutRect(float,float,float,float)};
+ *
+ * As of API Level API level {@value Build.VERSION_CODES#P} only {@link Region.Op#INTERSECT} and
+ * {@link Region.Op#DIFFERENCE} are valid Region.Op parameters.
*/
@Deprecated
public boolean clipRect(float left, float top, float right, float bottom,
@NonNull Region.Op op) {
+ checkValidClipOp(op);
return nClipRect(mNativeCanvasWrapper, left, top, right, bottom, op.nativeInt);
}
@@ -932,9 +965,13 @@ public class Canvas extends BaseCanvas {
* parent to clip a canvas to clearly define the maximal drawing area of its children. The
* recommended alternative calls are {@link #clipPath(Path)} and
* {@link #clipOutPath(Path)};
+ *
+ * As of API Level API level {@value Build.VERSION_CODES#P} only {@link Region.Op#INTERSECT} and
+ * {@link Region.Op#DIFFERENCE} are valid Region.Op parameters.
*/
@Deprecated
public boolean clipPath(@NonNull Path path, @NonNull Region.Op op) {
+ checkValidClipOp(op);
return nClipPath(mNativeCanvasWrapper, path.readOnlyNI(), op.nativeInt);
}
@@ -1220,7 +1257,10 @@ public class Canvas extends BaseCanvas {
}
/** @hide */
- public static void setCompatibilityVersion(int apiLevel) { nSetCompatibilityVersion(apiLevel); }
+ public static void setCompatibilityVersion(int apiLevel) {
+ sCompatiblityVersion = apiLevel;
+ nSetCompatibilityVersion(apiLevel);
+ }
private static native void nFreeCaches();
private static native void nFreeTextLayoutCaches();