Example usage for android.graphics Canvas MATRIX_SAVE

Introduction

In this page you can find the example usage for android.graphics Canvas MATRIX_SAVE_FLAG.

Prototype

int MATRIX_SAVE_FLAG

To view the source code for android.graphics Canvas MATRIX_SAVE_FLAG.

Click Source Link

Document

Restore the current matrix when restore() is called.

Usage

From source file:ezy.ui.view.ViewPagerIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    int flags = Canvas.MATRIX_SAVE_FLAG | Canvas.CLIP_SAVE_FLAG | Canvas.HAS_ALPHA_LAYER_SAVE_FLAG
            | Canvas.FULL_COLOR_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG;
    int sc = canvas.saveLayer(0, 0, getWidth(), getHeight(), null, flags);

    int wg = mItemWidth + mItemGap;
    int x = (getWidth() - mWidth) / 2;
    int y = (getHeight() - mItemHeight) / 2;

    mItemDrawable.setBounds(0, 0, mItemWidth, mItemHeight);
    mItemDrawableSelected.setBounds(0, 0, mItemWidth, mItemHeight);

    for (int i = 0; i < mItemCount; i++) {
        canvas.save();//from  w w w.j a v  a 2  s.  c o m
        canvas.translate(x + i * wg, y);
        mItemDrawable.draw(canvas);
        canvas.restore();
    }

    canvas.save();
    canvas.translate(x + (mPosition + mPositionOffset) * wg, y);
    mItemDrawableSelected.draw(canvas);
    canvas.restore();

    canvas.restoreToCount(sc);
}

From source file:com.acceleratedio.pac_n_zoom.DrawSVG.java

public ArrayList<ImageView> DrawSVG(Context context, ImageView orgnlImageView, RelativeLayout rel_anm_lo) {

    paint.setColor(Color.WHITE);//from www .  j  a  va  2s .  c om
    paint.setStyle(Paint.Style.FILL);
    LoadSVG.SVGData data = AnimActivity.svg_data;
    ArrayList<ImageView> imgViews = new ArrayList<ImageView>();
    imgViews.add(orgnlImageView);

    if (data.symbl != null) {

        ArrayList<String> sprt_ordr = data.svg.ordr;
        int sym_mbr = 0;
        Bitmap bitmap;
        Canvas canvas;

        // - Loop through the sprites 
        int sprt_nmbr = sprt_ordr.size();
        data.svg.initScl = new float[sprt_nmbr];
        float[] initScl = data.svg.initScl;

        for (int sprt_mbr = 1; sprt_mbr < sprt_nmbr; sprt_mbr += 1) {

            String sprt_id = sprt_ordr.get(sprt_mbr); // e.g., id="g2_0"

            if (Integer.parseInt(sprt_id.substring(sprt_id.indexOf('_') + 1)) > 0) {
                // The symbol is already drawn; replicate the view   
                String init_sprt = sprt_id.substring(0, sprt_id.indexOf('_') + 1) + '0';
                String svg_ordr = data.svg.svg_ordr;
                String cnt_str = svg_ordr.substring(0, svg_ordr.indexOf(init_sprt));
                ImageView init_vw = imgViews.get(StringUtils.countMatches(cnt_str, ","));
                Bitmap initBmp = ((BitmapDrawable) init_vw.getDrawable()).getBitmap();

                bitmap = Bitmap.createBitmap(initBmp.getWidth(), initBmp.getHeight(), initBmp.getConfig());

                canvas = new Canvas(bitmap);
                canvas.save(Canvas.MATRIX_SAVE_FLAG);
                xfrmInit crt_sprt = getInitSpriteAttrib(sprt_id);
                canvas.scale(crt_sprt.scl, crt_sprt.scl);
                initScl[sprt_mbr] = crt_sprt.scl;
                canvas.translate(0, 0);
            } else {
                // The symbol needs to be drawn; a new view   is used
                bitmap = getCreatBmp(rel_anm_lo);
                canvas = new Canvas(bitmap);
                canvas.save(Canvas.MATRIX_SAVE_FLAG);

                // - Set the init values
                xfrmInit crt_sprt = getInitSpriteAttrib(sprt_id);
                canvas.scale(crt_sprt.scl, crt_sprt.scl);
                initScl[sprt_mbr] = crt_sprt.scl;
                canvas.translate(0, 0);

                // - Draw the bitmap
                LoadSVG.symbol crt_sym = data.symbl.get(sym_mbr);
                ArrayList<LoadSVG.path> pths = crt_sym.pths;
                int pth_nmbr = pths.size();

                // Loop through the paths
                for (int pth_mbr = 0; pth_mbr < pth_nmbr; pth_mbr += 1) {

                    LoadSVG.path crt_pth = pths.get(pth_mbr);
                    final Path path = new Path();
                    final Paint paint = new Paint();
                    /* Debug
                    if (pth_mbr + 1 == pth_nmbr) {
                            
                       String log_str = "Paths: pth_mbr = " +
                          String.valueOf(pth_mbr) + "; color = " + crt_pth.clr;
                            
                       Log.d("DrawSVG", log_str);
                    }
                    */
                    paint.setColor(Color.parseColor(crt_pth.clr));
                    paint.setAntiAlias(true);
                    paint.setStyle(Paint.Style.FILL_AND_STROKE);
                    ld_pth_pnts(crt_pth.pth, path);
                    path.close();
                    path.setFillType(Path.FillType.EVEN_ODD);
                    canvas.drawPath(path, paint);
                }

                canvas.restore();
                sym_mbr += 1;
            }

            ImageView iv = new ImageView(context);
            iv.setImageBitmap(bitmap);

            RelativeLayout.LayoutParams rlp = new RelativeLayout.LayoutParams(
                    RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.MATCH_PARENT);

            iv.draw(canvas);
            iv.setLayoutParams(rlp);
            iv.setBackgroundColor(Color.TRANSPARENT);
            imgViews.add(iv);
        } // sprites
    } // if symbol

    return imgViews;
}

From source file:fr.francetv.zoom.share.loader.ZoomLoaderView.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    int sc = canvas.saveLayer(0, 0, mViewWidthPx, mViewHeightPx, null,
            Canvas.MATRIX_SAVE_FLAG | Canvas.CLIP_SAVE_FLAG | Canvas.HAS_ALPHA_LAYER_SAVE_FLAG
                    | Canvas.FULL_COLOR_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG);

    int mAnimationInValue = (int) mAnimationIn.getAnimatedValue();
    int mAnimationOutValue = mAnimationOut.isRunning() ? (int) mAnimationOut.getAnimatedValue() : 0;

    canvas.drawPaint(mBackgroundPaint);// w  ww . j  a v  a2 s .  c o  m
    canvas.drawArc(mLeftCircleArc, LEFT_START_DEGRE - mAnimationOutValue,
            -mAnimationInValue + mAnimationOutValue, true, mAnimPaint);
    canvas.drawArc(mRightCircleArc, RIGHT_START_DEGRE - mAnimationOutValue,
            -mAnimationInValue + mAnimationOutValue, true, mAnimPaint);
    canvas.drawBitmap(mMaskBitmap, 0, 0, mMaskPaint);
    canvas.restoreToCount(sc);
}

From source file:com.h6ah4i.android.materialshadowninepatch.MaterialShadowContainerView.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if ((getChildCount() > 0) && (getChildAt(0).getVisibility() == View.VISIBLE)) {
        if (mUseAmbientShadow) {
            if (mCurrentAmbientShadowDrawable1 != null) {
                mCurrentAmbientShadowDrawable1.draw(canvas);
            }/*  ww  w .ja v a2  s  .  c  o m*/
            if (mCurrentAmbientShadowDrawable2 != null) {
                mCurrentAmbientShadowDrawable2.draw(canvas);
            }
        }

        if (mUseSpotShadow && (mCurrentSpotShadowDrawable1 != null || mCurrentSpotShadowDrawable2 != null)) {
            final int savedCount = canvas.save(Canvas.MATRIX_SAVE_FLAG);

            canvas.translate(mSpotShadowTranslationX, mSpotShadowTranslationY);

            if (mCurrentSpotShadowDrawable1 != null) {
                mCurrentSpotShadowDrawable1.draw(canvas);
            }

            if (mCurrentSpotShadowDrawable2 != null) {
                mCurrentSpotShadowDrawable2.draw(canvas);
            }

            canvas.restoreToCount(savedCount);
        }
    }
}

From source file:com.gj.administrator.gjerp.view.CircleIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    Log.e("CircleIndicator", "onDraw()");
    super.onDraw(canvas);
    int sc = canvas.saveLayer(0, 0, getWidth(), getHeight(), null,
            Canvas.MATRIX_SAVE_FLAG | Canvas.CLIP_SAVE_FLAG | Canvas.HAS_ALPHA_LAYER_SAVE_FLAG
                    | Canvas.FULL_COLOR_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG);
    for (ShapeHolder item : tabItems) {
        canvas.save();//from   ww w. ja  v a  2 s .c o m
        canvas.translate(item.getX(), item.getY());
        item.getShape().draw(canvas);
        canvas.restore();
    }

    if (movingItem != null) {
        canvas.save();
        canvas.translate(movingItem.getX(), movingItem.getY());
        movingItem.getShape().draw(canvas);
        canvas.restore();
    }
    canvas.restoreToCount(sc);
}

From source file:com.github.shareme.gwsmaterialuikit.library.advancerv.draggable.DraggingItemDecorator.java

private Bitmap createDraggingItemImage(View v, NinePatchDrawable shadow) {
    int width = v.getWidth() + mShadowPadding.left + mShadowPadding.right;
    int height = v.getHeight() + mShadowPadding.top + mShadowPadding.bottom;

    final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    final Canvas canvas = new Canvas(bitmap);

    if (shadow != null) {
        shadow.setBounds(0, 0, width, height);
        shadow.draw(canvas);/*from w w w . j  a v  a  2  s .c om*/
    }

    final int savedCount = canvas.save(Canvas.CLIP_SAVE_FLAG | Canvas.MATRIX_SAVE_FLAG);
    // NOTE: Explicitly set clipping rect. This is required on Gingerbread.
    canvas.clipRect(mShadowPadding.left, mShadowPadding.top, width - mShadowPadding.right,
            height - mShadowPadding.bottom);
    canvas.translate(mShadowPadding.left, mShadowPadding.top);
    v.draw(canvas);
    canvas.restoreToCount(savedCount);

    return bitmap;
}

From source file:net.networksaremadeofstring.rhybudd.RhybuddDock.java

private void drawGaugeNeedle(Canvas canvas, int count, int Scale) {
    canvas.save(Canvas.MATRIX_SAVE_FLAG);
    float divisor = 360.0f / Scale;

    canvas.rotate((float) (divisor * count), 100, 100);

    //Inside//from  w w  w. java 2 s.co  m
    Paint needleInsidePaint = new Paint();
    needleInsidePaint.setStyle(Paint.Style.FILL_AND_STROKE);
    needleInsidePaint.setColor(Color.WHITE);
    needleInsidePaint.setStrokeWidth(4);
    needleInsidePaint.setAntiAlias(true);

    Paint needleEdgePaint = new Paint();
    needleEdgePaint.setStyle(Paint.Style.STROKE);
    needleEdgePaint.setColor(Color.DKGRAY);
    needleEdgePaint.setStrokeWidth(0.5f);
    needleEdgePaint.setAntiAlias(true);

    canvas.drawOval(new RectF(95, 95, 105, 105), needleInsidePaint);
    canvas.drawOval(new RectF(95, 96, 105, 105), needleEdgePaint);

    Path needleInside = new Path();
    needleInside.moveTo(98, 98);
    needleInside.lineTo(100, 20);
    needleInside.lineTo(102, 102);
    canvas.drawPath(needleInside, needleInsidePaint);

    Path needleEdge = new Path();
    needleInside.moveTo(99, 99);
    needleInside.lineTo(99, 19);
    needleInside.lineTo(103, 103);

    canvas.drawPath(needleEdge, needleEdgePaint);
    canvas.restore();
}

From source file:net.networksaremadeofstring.rhybudd.RhybuddDock.java

private void drawScale(Canvas canvas, Boolean Colors, int Count, int Max) {
    RectF faceRect = new RectF();
    faceRect.set(10, 10, 190, 190);/*from   w  ww . jav  a2 s. c  o m*/

    Paint scalePaint = new Paint();
    scalePaint.setStyle(Paint.Style.STROKE);
    scalePaint.setColor(getResources().getColor(R.color.WarningGreen));
    scalePaint.setStrokeWidth(1);
    scalePaint.setAntiAlias(true);

    scalePaint.setTextSize(12);
    scalePaint.setTypeface(Typeface.createFromAsset(this.getAssets(), "fonts/chivo.ttf"));
    scalePaint.setTextAlign(Paint.Align.CENTER);

    float scalePosition = 10;
    RectF scaleRect = new RectF();
    scaleRect.set(faceRect.left + scalePosition, faceRect.top + scalePosition, faceRect.right - scalePosition,
            faceRect.bottom - scalePosition);

    if (!Colors)
        scalePaint.setColor(Color.WHITE);

    scalePaint.setStrokeWidth(2);
    canvas.save(Canvas.MATRIX_SAVE_FLAG);
    for (int i = 0; i < Max; ++i) {
        if (Colors) {
            if (i > 20)
                scalePaint.setColor(getResources().getColor(R.color.WarningYellow));

            if (i > 40)
                scalePaint.setColor(getResources().getColor(R.color.WarningOrange));

            if (i > 60)
                scalePaint.setColor(getResources().getColor(R.color.WarningRed));
        }

        canvas.drawLine(100, 20, 100, 18, scalePaint);
        int divisor = 5;

        if (Max > 100)
            divisor = 25;

        if (i % divisor == 0) {
            canvas.drawText(Integer.toString(i), 100, 16, scalePaint);
        }

        canvas.rotate((360.0f / Max), 100, 100);
    }

    canvas.restore();
}

From source file:com.hippo.largeimageview.LargeImageView.java

private int transformCanvas(Canvas canvas) {
    final int saved;
    switch (mOrientation) {
    case ORIENTATION_0:
        saved = 0;// w w w .j av a  2  s.  c  o  m
        break;
    case ORIENTATION_90:
        saved = canvas.save(Canvas.MATRIX_SAVE_FLAG);
        canvas.translate(getWidth(), 0);
        canvas.rotate(90);
        break;
    case ORIENTATION_180:
        saved = canvas.save(Canvas.MATRIX_SAVE_FLAG);
        canvas.translate(getWidth(), getHeight());
        canvas.rotate(180);
        break;
    case ORIENTATION_270:
        saved = canvas.save(Canvas.MATRIX_SAVE_FLAG);
        canvas.translate(0, getHeight());
        canvas.rotate(-90);
        break;
    default:
        throw new IllegalStateException("Unknown orientation: " + mOrientation);
    }
    return saved;
}

From source file:com.mylikes.likes.etchasketch.Slate.java

@Override
protected void onDraw(Canvas canvas) {
    if (mTiledCanvas != null) {
        canvas.save(Canvas.MATRIX_SAVE_FLAG);

        if (mPanX != 0 || mPanY != 0 || !mZoomMatrix.isIdentity()) {
            canvas.translate(mPanX, mPanY);
            canvas.concat(mZoomMatrix);//from w w w.ja  va 2 s .com

            canvas.drawRect(-20000, -20000, 20000, 0, mWorkspacePaint);
            canvas.drawRect(-20000, 0, 0, mTiledCanvas.getHeight(), mWorkspacePaint);
            canvas.drawRect(mTiledCanvas.getWidth(), 0, 20000, mTiledCanvas.getHeight(), mWorkspacePaint);
            canvas.drawRect(-20000, mTiledCanvas.getHeight(), 20000, 20000, mWorkspacePaint);
        }

        if (!mDirtyRegion.isEmpty()) {
            canvas.clipRegion(mDirtyRegion);
            mDirtyRegion.setEmpty();
        }
        // TODO: tune this threshold based on the device density
        mBlitPaint.setFilterBitmap(getScale(mZoomMatrix) < 3f);
        mTiledCanvas.drawTo(canvas, 0, 0, mBlitPaint, false); // @@ set to true for dirty tile updates
        if (0 != (mDebugFlags & FLAG_DEBUG_STROKES)) {
            drawStrokeDebugInfo(canvas);
        }
        for (MoveableDrawing drawing : overlays) {
            drawing.renderInto(canvas, moveMode && drawing == selectedDrawing);
        }

        canvas.restore();

        if (0 != (mDebugFlags & FLAG_DEBUG_PRESSURE)) {
            mPressureCooker.drawDebug(canvas);
        }
    }
}

Example usage for android.graphics Canvas MATRIX_SAVE_FLAG

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Usage