org.skia.jetskidemo.CubeRenderer Class Reference

Inheritance diagram for org.skia.jetskidemo.CubeRenderer:

Public Member Functions
	CubeRenderer (Resources res)
boolean	onFling (MotionEvent e1, MotionEvent e2, float dx, float dy)
boolean	onDown (MotionEvent e)
boolean	onScroll (MotionEvent e1, MotionEvent e2, float dx, float dy)
boolean	onSingleTapUp (MotionEvent e)
void	onLongPress (MotionEvent e)
void	onShowPress (MotionEvent e)
boolean	onScale (ScaleGestureDetector detector)
boolean	onScaleBegin (ScaleGestureDetector detector)
void	onScaleEnd (ScaleGestureDetector detector)
Public Member Functions inherited from org.skia.jetski.util.SurfaceRenderer
void	run ()
void	surfaceCreated (SurfaceHolder holder)
void	surfaceChanged (SurfaceHolder holder, int format, int width, int height)
void	surfaceDestroyed (SurfaceHolder holder)
void	setBaseTime (long millis)
void	release ()

Protected Member Functions
void	onSurfaceInitialized (Surface surface)
void	onRenderFrame (Canvas canvas, long ms)
abstract void	onSurfaceInitialized (Surface surface)
abstract void	onRenderFrame (Canvas canvas, long ms)

Detailed Description

Definition at line 157 of file CubeActivity.java.

Constructor & Destructor Documentation

CubeRenderer()

org.skia.jetskidemo.CubeRenderer.CubeRenderer ( Resources  res )

inline

Definition at line 166 of file CubeActivity.java.

                                       {
        final float rot = (float) Math.PI;
        mFaces = new Face[] {
            new Face(0, -rot/2, new ImageShaderSample(res, R.raw.brickwork_texture)),
            new Face(0, 0     , new SkottieSample(res, R.raw.im_thirsty)),
            new Face(0, rot   , new RuntimeSample(res, R.raw.runtime_shader1)),
            new Face(rot/2, 0 , new SkottieSample(res, R.raw.permission)),
            new Face(0, rot/2 , new RuntimeSample(res, R.raw.runtime_shader2)),
        };
    }

Member Function Documentation

onDown()

boolean org.skia.jetskidemo.CubeRenderer.onDown ( MotionEvent  e )

inline

Definition at line 256 of file CubeActivity.java.

                                         {
        mVSphere.startDrag(e);
        return true;
    }

onFling()

boolean org.skia.jetskidemo.CubeRenderer.onFling ( MotionEvent  e1, MotionEvent  e2, float  dx, float  dy  )

inline

Definition at line 250 of file CubeActivity.java.

                                                                               {
        mVSphere.fling(dx, dy);
        return true;
    }

onLongPress()

void org.skia.jetskidemo.CubeRenderer.onLongPress ( MotionEvent  e )

inline

Definition at line 272 of file CubeActivity.java.

{}

onRenderFrame()

void org.skia.jetskidemo.CubeRenderer.onRenderFrame ( Canvas  canvas, long  ms  )

inlineprotected

Callback for frame content.

Invoked once per (vsync'ed) frame.

Reimplemented from org.skia.jetski.util.SurfaceRenderer.

Definition at line 204 of file CubeActivity.java.

                                                         {
        if (mPrevMS == 0) {
            mPrevMS = ms;
        }
 
        mVSphere.animate((ms - mPrevMS) / 1000.f);
        mPrevMS = ms;
 
 
        // clear canvas
        canvas.drawColor(0xffffffff);
 
        canvas.save();
        canvas.concat(mViewMatrix);
        canvas.scale(mZoom, mZoom);
        canvas.concat(mVSphere.getMatrix());
 
        drawFaces(canvas, ms, false);
        drawFaces(canvas, ms, true);
 
        canvas.restore();
    }

onScale()

boolean org.skia.jetskidemo.CubeRenderer.onScale ( ScaleGestureDetector  detector )

inline

Definition at line 289 of file CubeActivity.java.

                                                          {
        zoom(detector.getScaleFactor());
        return true;
    }

onScaleBegin()

boolean org.skia.jetskidemo.CubeRenderer.onScaleBegin ( ScaleGestureDetector  detector )

inline

Definition at line 295 of file CubeActivity.java.

                                                               {
        zoom(detector.getScaleFactor());
        return true;
    }

onScaleEnd()

void org.skia.jetskidemo.CubeRenderer.onScaleEnd ( ScaleGestureDetector  detector )

inline

Definition at line 301 of file CubeActivity.java.

                                                          {
        zoom(detector.getScaleFactor());
    }

onScroll()

boolean org.skia.jetskidemo.CubeRenderer.onScroll ( MotionEvent  e1, MotionEvent  e2, float  dx, float  dy  )

inline

Definition at line 262 of file CubeActivity.java.

                                                                                {
        mVSphere.drag(e2);
        return true;
    }

onShowPress()

void org.skia.jetskidemo.CubeRenderer.onShowPress ( MotionEvent  e )

inline

Definition at line 275 of file CubeActivity.java.

{}

onSingleTapUp()

boolean org.skia.jetskidemo.CubeRenderer.onSingleTapUp ( MotionEvent  e )

inline

Definition at line 269 of file CubeActivity.java.

{ return false; }

onSurfaceInitialized()

void org.skia.jetskidemo.CubeRenderer.onSurfaceInitialized ( Surface  surface )

inlineprotected

Initialization callback.

This can be invoked multiple times if the underlying surface changes.

Reimplemented from org.skia.jetski.util.SurfaceRenderer.

Definition at line 178 of file CubeActivity.java.

                                                         {
        float cx = surface.getWidth()  / 2,
              cy = surface.getHeight() / 2,
              r  = Math.min(cx, cy);
 
        mVSphere = new VSphereAnimator(cx, cy, r);
 
        // square viewport size fitting the given surface
        float vsz = r * 2;
 
        mCubeSideLength = vsz * 0.5f;
 
        float viewAngle = (float)Math.PI / 4f,
              viewDistance = (float)(r / tan(viewAngle/2));
 
        mViewMatrix = new Matrix()
                        // centered viewport
                        .translate(cx, cy)
                        // perspective
                        .scale(vsz/2, vsz/2, 1)
                        .preConcat(Matrix.makePerspective(0.05f, viewDistance, viewAngle))
                        // camera
                        .preConcat(Matrix.makeLookAt(0, 0, -viewDistance, 0, 0, 0, 0, 1, 0));
    }

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

• third_party/skia/platform_tools/android/apps/jetskidemo/src/main/java/org/skia/jetskidemo/CubeActivity.java