Package org.robolectric.shadows

Class ShadowNativeCanvas

    • Constructor Detail

      • ShadowNativeCanvas

        public ShadowNativeCanvas()

    • Method Detail

      • nFreeCaches

        @Implementation(minSdk=26)
protected static void nFreeCaches()

      • nFreeTextLayoutCaches

        @Implementation(minSdk=26)
protected static void nFreeTextLayoutCaches()

      • nGetNativeFinalizer

        @Implementation(minSdk=26)
protected static long nGetNativeFinalizer()

      • nSetCompatibilityVersion

        @Implementation(minSdk=28)
protected static void nSetCompatibilityVersion​(int apiLevel)

      • nInitRaster

        @Implementation(minSdk=26,
                maxSdk=28)
protected static long nInitRaster​(Bitmap bitmap)

      • nInitRaster

        @Implementation(minSdk=29)
protected static long nInitRaster​(long bitmapHandle)

      • nSetBitmap

        @Implementation(minSdk=26,
                maxSdk=28)
protected static void nSetBitmap​(long canvasHandle,
                                 Bitmap bitmap)

      • nSetBitmap

        @Implementation(minSdk=29)
protected static void nSetBitmap​(long canvasHandle,
                                 long bitmapHandle)

      • nGetClipBounds

        @Implementation(minSdk=26)
protected static boolean nGetClipBounds​(long nativeCanvas,
                                        Rect bounds)

      • nIsOpaque

        @Implementation(minSdk=26)
protected static boolean nIsOpaque​(long canvasHandle)

      • nGetWidth

        @Implementation(minSdk=26)
protected static int nGetWidth​(long canvasHandle)

      • nGetHeight

        @Implementation(minSdk=26)
protected static int nGetHeight​(long canvasHandle)

      • nSave

        @Implementation(minSdk=26)
protected static int nSave​(long canvasHandle,
                           int saveFlags)

      • nSaveLayer

        @Implementation(minSdk=31)
protected static int nSaveLayer​(long nativeCanvas,
                                float l,
                                float t,
                                float r,
                                float b,
                                long nativePaint)

      • nSaveLayer

        @Implementation(minSdk=26,
                maxSdk=30)
protected static int nSaveLayer​(long nativeCanvas,
                                float l,
                                float t,
                                float r,
                                float b,
                                long nativePaint,
                                int layerFlags)

      • nSaveLayerAlpha

        @Implementation(minSdk=31)
protected static int nSaveLayerAlpha​(long nativeCanvas,
                                     float l,
                                     float t,
                                     float r,
                                     float b,
                                     int alpha)

      • nSaveLayerAlpha

        @Implementation(minSdk=26,
                maxSdk=30)
protected static int nSaveLayerAlpha​(long nativeCanvas,
                                     float l,
                                     float t,
                                     float r,
                                     float b,
                                     int alpha,
                                     int layerFlags)

      • nSaveUnclippedLayer

        @Implementation(minSdk=29)
protected static int nSaveUnclippedLayer​(long nativeCanvas,
                                         int l,
                                         int t,
                                         int r,
                                         int b)

      • nRestoreUnclippedLayer

        @Implementation(minSdk=29)
protected static void nRestoreUnclippedLayer​(long nativeCanvas,
                                             int saveCount,
                                             long nativePaint)

      • nRestore

        @Implementation(minSdk=26)
protected static boolean nRestore​(long canvasHandle)

      • nRestoreToCount

        @Implementation(minSdk=26)
protected static void nRestoreToCount​(long canvasHandle,
                                      int saveCount)

      • nGetSaveCount

        @Implementation(minSdk=26)
protected static int nGetSaveCount​(long canvasHandle)

      • nTranslate

        @Implementation(minSdk=26)
protected static void nTranslate​(long canvasHandle,
                                 float dx,
                                 float dy)

      • nScale

        @Implementation(minSdk=26)
protected static void nScale​(long canvasHandle,
                             float sx,
                             float sy)

      • nRotate

        @Implementation(minSdk=26)
protected static void nRotate​(long canvasHandle,
                              float degrees)

      • nSkew

        @Implementation(minSdk=26)
protected static void nSkew​(long canvasHandle,
                            float sx,
                            float sy)

      • nConcat

        @Implementation(minSdk=26)
protected static void nConcat​(long nativeCanvas,
                              long nativeMatrix)

      • nSetMatrix

        @Implementation(minSdk=26)
protected static void nSetMatrix​(long nativeCanvas,
                                 long nativeMatrix)

      • nClipRect

        @Implementation(minSdk=26)
protected static boolean nClipRect​(long nativeCanvas,
                                   float left,
                                   float top,
                                   float right,
                                   float bottom,
                                   int regionOp)

      • nClipPath

        @Implementation(minSdk=26)
protected static boolean nClipPath​(long nativeCanvas,
                                   long nativePath,
                                   int regionOp)

      • nSetDrawFilter

        @Implementation(minSdk=26)
protected static void nSetDrawFilter​(long nativeCanvas,
                                     long nativeFilter)

      • nGetMatrix

        @Implementation(minSdk=26)
protected static void nGetMatrix​(long nativeCanvas,
                                 long nativeMatrix)

      • nQuickReject

        @Implementation(minSdk=26)
protected static boolean nQuickReject​(long nativeCanvas,
                                      long nativePath)

      • nQuickReject

        @Implementation(minSdk=26)
protected static boolean nQuickReject​(long nativeCanvas,
                                      float left,
                                      float top,
                                      float right,
                                      float bottom)

      • saveUnclippedLayer

        @Implementation(minSdk=28,
                maxSdk=28)
protected int saveUnclippedLayer​(int left,
                                 int top,
                                 int right,
                                 int bottom)
        In Android P and below, Canvas.saveUnclippedLayer called nSaveLayer(long, float, float, float, float, long).

        However, in Android Q, a new native method was added specifically to save unclipped layers. Use this new method to fix things like ScrollView fade effects in P and below.