org.skia.jetski.Canvas Class Reference

Public Member Functions
int	getWidth ()
int	getHeight ()
int	save ()
void	restore ()
void	restoreToCount (int count)
int	saveLayer (@Nullable Paint paint)
Matrix	getLocalToDevice ()
void	concat (Matrix m)
void	concat (float[] rowMajorMatrix)
void	translate (float tx, float ty, float tz)
void	translate (float tx, float ty)
void	scale (float sx, float sy, float sz)
void	scale (float sx, float sy)
void	clipPath (Path path, ClipOp op, boolean antiAliasing)
void	clipRect (float left, float top, float right, float bottom, ClipOp op, boolean antiAliasing)
void	clipRRect (float left, float top, float right, float bottom, float xRad, float yRad, ClipOp op, boolean antiAliasing)
void	clipShader (Shader shader, ClipOp op)
void	drawRect (float left, float top, float right, float bottom, Paint paint)
void	drawColor (Color c)
void	drawColor (float r, float g, float b, float a)
void	drawColor (int icolor)
void	drawImage (Image image, float x, float y)
void	drawImage (Image image, float x, float y, SamplingOptions sampling)
void	drawPath (Path path, Paint paint)

Package Functions
	Canvas (Surface surface, long native_instance)
long	getNativeInstance ()

Detailed Description

Definition at line 12 of file Canvas.java.

Constructor & Destructor Documentation

Canvas()

org.skia.jetski.Canvas.Canvas ( Surface  surface, long  native_instance  )

inlinepackage

Definition at line 130 of file Canvas.java.

                                                  {
        mNativeInstance = native_instance;
        mSurface = surface;
    }

Member Function Documentation

clipPath()

void org.skia.jetski.Canvas.clipPath ( Path  path, ClipOp  op, boolean  antiAliasing  )

inline

Definition at line 77 of file Canvas.java.

                                                                     {
        nClipPath(mNativeInstance, path.getNativeInstance(), op.mNativeInt, antiAliasing);
    }

clipRect()

void org.skia.jetski.Canvas.clipRect ( float  left, float  top, float  right, float  bottom, ClipOp  op, boolean  antiAliasing  )

inline

Definition at line 81 of file Canvas.java.

                                                          {
        nClipRect(mNativeInstance, left, top, right, bottom, op.mNativeInt, antiAliasing);
    }

clipRRect()

void org.skia.jetski.Canvas.clipRRect ( float  left, float  top, float  right, float  bottom, float  xRad, float  yRad, ClipOp  op, boolean  antiAliasing  )

inline

Definition at line 86 of file Canvas.java.

                                                          {
        nClipRRect(mNativeInstance, left, top, right, bottom, xRad, yRad, op.mNativeInt, antiAliasing);
    }

clipShader()

void org.skia.jetski.Canvas.clipShader ( Shader  shader, ClipOp  op  )

inline

Definition at line 91 of file Canvas.java.

                                                     {
        nClipShader(mNativeInstance, shader.getNativeInstance(), op.mNativeInt);
    }

concat() [1/2]

void org.skia.jetski.Canvas.concat ( float[]  rowMajorMatrix )

inline

Definition at line 53 of file Canvas.java.

                                               {
        if (rowMajorMatrix.length != 16) {
            throw new java.lang.IllegalArgumentException("Expecting a 16 float array.");
        }
 
        nConcat16f(mNativeInstance, rowMajorMatrix);
    }

concat() [2/2]

void org.skia.jetski.Canvas.concat ( Matrix  m )

inline

Definition at line 49 of file Canvas.java.

                                 {
        nConcat(mNativeInstance, m.getNativeInstance());
    }

drawColor() [1/3]

void org.skia.jetski.Canvas.drawColor ( Color  c )

inline

Definition at line 99 of file Canvas.java.

                                   {
        nDrawColor(mNativeInstance, c.r(), c.g(), c.b(), c.a());
    }

drawColor() [2/3]

void org.skia.jetski.Canvas.drawColor ( float  r, float  g, float  b, float  a  )

inline

Definition at line 103 of file Canvas.java.

                                                              {
        nDrawColor(mNativeInstance, r, g, b, a);
    }

drawColor() [3/3]

void org.skia.jetski.Canvas.drawColor ( int  icolor )

inline

Definition at line 107 of file Canvas.java.

                                      {
        nDrawColor(mNativeInstance,
            (float)((icolor >> 16) & 0xff) / 255,
            (float)((icolor >>  8) & 0xff) / 255,
            (float)((icolor >>  0) & 0xff) / 255,
            (float)((icolor >> 24) & 0xff) / 255
        );
    }

drawImage() [1/2]

void org.skia.jetski.Canvas.drawImage ( Image  image, float  x, float  y  )

inline

Definition at line 116 of file Canvas.java.

                                                         {
        drawImage(image, x, y, new SamplingOptions());
    }

drawImage() [2/2]

void org.skia.jetski.Canvas.drawImage ( Image  image, float  x, float  y, SamplingOptions  sampling  )

inline

Definition at line 120 of file Canvas.java.

                                                                                   {
        nDrawImage(mNativeInstance, image.getNativeInstance(), x, y,
                   sampling.getNativeDesc(), sampling.getCubicCoeffB(), sampling.getCubicCoeffC());
    }

drawPath()

void org.skia.jetski.Canvas.drawPath ( Path  path, Paint  paint  )

inline

Definition at line 125 of file Canvas.java.

                                                 {
        nDrawPath(mNativeInstance, path.getNativeInstance(), paint.getNativeInstance());
    }

drawRect()

void org.skia.jetski.Canvas.drawRect ( float  left, float  top, float  right, float  bottom, Paint  paint  )

inline

Definition at line 95 of file Canvas.java.

                                                                                        {
        nDrawRect(mNativeInstance, left, top, right, bottom, paint.getNativeInstance());
    }

getHeight()

int org.skia.jetski.Canvas.getHeight ( )

inline

Definition at line 20 of file Canvas.java.

                           {
        return nGetHeight(mNativeInstance);
    }

getLocalToDevice()

Matrix org.skia.jetski.Canvas.getLocalToDevice ( )

inline

Definition at line 44 of file Canvas.java.

                                     {
        long native_matrix = nGetLocalToDevice(mNativeInstance);
        return new Matrix(native_matrix);
    }

getNativeInstance()

long org.skia.jetski.Canvas.getNativeInstance ( )

inlinepackage

Definition at line 136 of file Canvas.java.

{ return mNativeInstance; }

getWidth()

int org.skia.jetski.Canvas.getWidth ( )

inline

Definition at line 16 of file Canvas.java.

                          {
        return nGetWidth(mNativeInstance);
    }

restore()

void org.skia.jetski.Canvas.restore ( )

inline

Definition at line 28 of file Canvas.java.

                          {
        nRestore(mNativeInstance);
    }

restoreToCount()

void org.skia.jetski.Canvas.restoreToCount ( int  count )

inline

Definition at line 32 of file Canvas.java.

                                          {
        nRestoreToCount(mNativeInstance, count);
    }

save()

int org.skia.jetski.Canvas.save ( )

inline

Definition at line 24 of file Canvas.java.

                      {
        return nSave(mNativeInstance);
    }

saveLayer()

int org.skia.jetski.Canvas.saveLayer ( @Nullable Paint  paint )

inline

Definition at line 36 of file Canvas.java.

                                                {
        long nativePaint = 0;
        if (paint != null) {
            nativePaint = paint.getNativeInstance();
        }
        return nSaveLayer(mNativeInstance, nativePaint);
    }

scale() [1/2]

void org.skia.jetski.Canvas.scale ( float  sx, float  sy  )

inline

Definition at line 73 of file Canvas.java.

                                          {
        nScale(mNativeInstance, sx ,sy, 1);
    }

scale() [2/2]

void org.skia.jetski.Canvas.scale ( float  sx, float  sy, float  sz  )

inline

Definition at line 69 of file Canvas.java.

                                                    {
        nScale(mNativeInstance, sx ,sy, sz);
    }

translate() [1/2]

void org.skia.jetski.Canvas.translate ( float  tx, float  ty  )

inline

Definition at line 65 of file Canvas.java.

                                              {
        nTranslate(mNativeInstance, tx ,ty, 0);
    }

translate() [2/2]

void org.skia.jetski.Canvas.translate ( float  tx, float  ty, float  tz  )

inline

Definition at line 61 of file Canvas.java.

                                                        {
        nTranslate(mNativeInstance, tx ,ty, tz);
    }

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The documentation for this class was generated from the following file:

• third_party/skia/platform_tools/android/apps/jetski/src/main/java/org/skia/jetski/Canvas.java