Example usage for android.graphics Canvas save

Introduction

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

Prototype

public int save()

Source Link

Document

Saves the current matrix and clip onto a private stack.

Usage

From source file:com.hayukleung.app.view.refresh.SwipeProgressBar.java

void draw(Canvas canvas) {
    final int width = mBounds.width();
    final int height = mBounds.height();
    final int cx = width / 2;
    final int cy = height / 2;
    boolean drawTriggerWhileFinishing = false;
    int restoreCount = canvas.save();
    canvas.clipRect(mBounds);//w ww .j a  v  a 2s  .  c  om

    if (mRunning || (mFinishTime > 0)) {
        long now = AnimationUtils.currentAnimationTimeMillis();
        long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS;
        long iterations = (now - mStartTime) / ANIMATION_DURATION_MS;
        float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f));

        // If we're not running anymore, that means we're running through
        // the finish animation.
        if (!mRunning) {
            // If the finish animation is done, don't draw anything, and
            // don't repost.
            if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) {
                mFinishTime = 0;
                return;
            }

            // Otherwise, use a 0 opacity alpha layer to clear the animation
            // from the inside out. This layer will prevent the circles from
            // drawing within its bounds.
            long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS;
            float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f));
            float pct = (finishProgress / 100f);
            // Radius of the circle is half of the screen.
            float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct);
            mClipRect.set(cx - clearRadius, 0, cx + clearRadius, height);
            canvas.saveLayerAlpha(mClipRect, 0, 0);
            // Only draw the trigger if there is a space in the center of
            // this refreshing view that needs to be filled in by the
            // trigger. If the progress view is just still animating, let it
            // continue animating.
            drawTriggerWhileFinishing = true;
        }

        // First fill in with the last color that would have finished drawing.
        if (iterations == 0) {
            canvas.drawColor(mColor1);
        } else {
            if (rawProgress >= 0 && rawProgress < 25) {
                canvas.drawColor(mColor4);
            } else if (rawProgress >= 25 && rawProgress < 50) {
                canvas.drawColor(mColor1);
            } else if (rawProgress >= 50 && rawProgress < 75) {
                canvas.drawColor(mColor2);
            } else {
                canvas.drawColor(mColor3);
            }
        }

        // Then draw up to 4 overlapping concentric circles of varying radii, based on how far
        // along we are in the cycle.
        // progress 0-50 draw mColor2
        // progress 25-75 draw mColor3
        // progress 50-100 draw mColor4
        // progress 75 (wrap to 25) draw mColor1
        if ((rawProgress >= 0 && rawProgress <= 25)) {
            float pct = (((rawProgress + 25) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor1, pct);
        }
        if (rawProgress >= 0 && rawProgress <= 50) {
            float pct = ((rawProgress * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor2, pct);
        }
        if (rawProgress >= 25 && rawProgress <= 75) {
            float pct = (((rawProgress - 25) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor3, pct);
        }
        if (rawProgress >= 50 && rawProgress <= 100) {
            float pct = (((rawProgress - 50) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor4, pct);
        }
        if ((rawProgress >= 75 && rawProgress <= 100)) {
            float pct = (((rawProgress - 75) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor1, pct);
        }
        if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) {
            // There is some portion of trigger to draw. Restore the canvas,
            // then draw the trigger. Otherwise, the trigger does not appear
            // until after the bar has finished animating and appears to
            // just jump in at a larger width than expected.
            canvas.restoreToCount(restoreCount);
            restoreCount = canvas.save();
            canvas.clipRect(mBounds);
            drawTrigger(canvas, cx, cy);
        }
        // Keep running until we finish out the last cycle.
        ViewCompat.postInvalidateOnAnimation(mParent);
    } else {
        // Otherwise if we're in the middle of a trigger, draw that.
        if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) {
            drawTrigger(canvas, cx, cy);
        } else if (mPercentage > 0 && mPercentage <= 1.0) {
            drawProgress(canvas, width, height);
        } else
            canvas.drawColor(0);
    }
    canvas.restoreToCount(restoreCount);
}

From source file:es.oneoctopus.swiperefreshlayoutoverlay.SwipeProgressBar.java

void draw(Canvas canvas) {
    final int width = mBounds.width();
    final int height = mBounds.height();
    final int cx = width / 2;
    final int cy = height / 2 + marginTop;
    boolean drawTriggerWhileFinishing = false;
    int restoreCount = canvas.save();
    canvas.clipRect(mBounds);/* ww  w .  j  a  va 2 s  .  co m*/

    if (mRunning || (mFinishTime > 0)) {
        long now = AnimationUtils.currentAnimationTimeMillis();
        long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS;
        long iterations = (now - mStartTime) / ANIMATION_DURATION_MS;
        float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f));

        // If we're not running anymore, that means we're running through
        // the finish animation.
        if (!mRunning) {
            // If the finish animation is done, don't draw anything, and
            // don't repost.
            if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) {
                mFinishTime = 0;
                return;
            }

            // Otherwise, use a 0 opacity alpha layer to clear the animation
            // from the inside out. This layer will prevent the circles from
            // drawing within its bounds.
            long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS;
            float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f));
            float pct = (finishProgress / 100f);
            // Radius of the circle is half of the screen.
            float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct);
            mClipRect.set(cx - clearRadius, marginTop, cx + clearRadius, height + marginTop);
            canvas.saveLayerAlpha(mClipRect, 0, 0);
            // Only draw the trigger if there is a space in the center of
            // this refreshing view that needs to be filled in by the
            // trigger. If the progress view is just still animating, let it
            // continue animating.
            drawTriggerWhileFinishing = true;
        }

        // First fill in with the last color that would have finished drawing.
        if (iterations == 0) {
            canvas.drawColor(mColor1);
        } else {
            if (rawProgress >= 0 && rawProgress < 25) {
                canvas.drawColor(mColor4);
            } else if (rawProgress >= 25 && rawProgress < 50) {
                canvas.drawColor(mColor1);
            } else if (rawProgress >= 50 && rawProgress < 75) {
                canvas.drawColor(mColor2);
            } else {
                canvas.drawColor(mColor3);
            }
        }

        // Then draw up to 4 overlapping concentric circles of varying radii, based on how far
        // along we are in the cycle.
        // progress 0-50 draw mColor2
        // progress 25-75 draw mColor3
        // progress 50-100 draw mColor4
        // progress 75 (wrap to 25) draw mColor1
        if ((rawProgress >= 0 && rawProgress <= 25)) {
            float pct = (((rawProgress + 25) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor1, pct);
        }
        if (rawProgress >= 0 && rawProgress <= 50) {
            float pct = ((rawProgress * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor2, pct);
        }
        if (rawProgress >= 25 && rawProgress <= 75) {
            float pct = (((rawProgress - 25) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor3, pct);
        }
        if (rawProgress >= 50 && rawProgress <= 100) {
            float pct = (((rawProgress - 50) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor4, pct);
        }
        if ((rawProgress >= 75 && rawProgress <= 100)) {
            float pct = (((rawProgress - 75) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor1, pct);
        }
        if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) {
            // There is some portion of trigger to draw. Restore the canvas,
            // then draw the trigger. Otherwise, the trigger does not appear
            // until after the bar has finished animating and appears to
            // just jump in at a larger width than expected.
            canvas.restoreToCount(restoreCount);
            restoreCount = canvas.save();
            canvas.clipRect(mBounds);
            drawTrigger(canvas, cx, cy);
        }
        // Keep running until we finish out the last cycle.
        ViewCompat.postInvalidateOnAnimation(mParent);
    } else {
        // Otherwise if we're in the middle of a trigger, draw that.
        if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) {
            drawTrigger(canvas, cx, cy);
        }
    }
    canvas.restoreToCount(restoreCount);
}

From source file:vc908.stickerfactory.ui.advancedrecyclerview.swipeable.RemovingItemDecorator.java

private void fillSwipingItemBackground(Canvas c, Drawable drawable, int height) {
    final Rect bounds = mSwipingItemBounds;
    final int translationX = mInitialTranslationX;
    final int translationY = mTranslationY;

    if (height < 0) {
        height = bounds.height();//from   w  w w  .ja  va2 s. co  m
    }

    if ((height == 0) || (drawable == null)) {
        return;
    }

    final int savedCount = c.save();

    c.clipRect(bounds.left + translationX, bounds.top + translationY, bounds.right + translationX,
            bounds.top + translationY + height);

    // c.drawColor(0xffff0000); // <-- debug

    c.translate(bounds.left + translationX, bounds.top + translationY - (bounds.height() - height) / 2);
    drawable.setBounds(0, 0, bounds.width(), bounds.height());

    drawable.draw(c);

    c.restoreToCount(savedCount);
}

From source file:com.hybrid.app.views.SwipeProgressBar.java

void draw(Canvas canvas) {
    final int width = mBounds.width();
    final int height = mBounds.height();
    final int cx = width / 2;
    final int cy = height / 2 + marginTop;
    boolean drawTriggerWhileFinishing = false;
    int restoreCount = canvas.save();
    canvas.clipRect(mBounds);//from  w  ww . j  a  va 2  s. c o  m

    if (mRunning || (mFinishTime > 0)) {
        long now = AnimationUtils.currentAnimationTimeMillis();
        long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS;
        long iterations = (now - mStartTime) / ANIMATION_DURATION_MS;
        float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f));

        // If we're not running anymore, that means we're running through
        // the finish animation.
        if (!mRunning) {
            // If the finish animation is done, don't draw anything, and
            // don't repost.
            if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) {
                mFinishTime = 0;
                return;
            }

            // Otherwise, use a 0 opacity alpha layer to clear the animation
            // from the inside out. This layer will prevent the circles from
            // drawing within its bounds.
            long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS;
            float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f));
            float pct = (finishProgress / 100f);
            // Radius of the circle is half of the screen.
            float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct);
            mClipRect.set(cx - clearRadius, 0, cx + clearRadius, height);
            canvas.saveLayerAlpha(mClipRect, 0, 0);
            // Only draw the trigger if there is a space in the center of
            // this refreshing view that needs to be filled in by the
            // trigger. If the progress view is just still animating, let it
            // continue animating.
            drawTriggerWhileFinishing = true;
        }

        // First fill in with the last color that would have finished drawing.
        if (iterations == 0) {
            canvas.drawColor(mColor1);
        } else {
            if (rawProgress >= 0 && rawProgress < 25) {
                canvas.drawColor(mColor4);
            } else if (rawProgress >= 25 && rawProgress < 50) {
                canvas.drawColor(mColor1);
            } else if (rawProgress >= 50 && rawProgress < 75) {
                canvas.drawColor(mColor2);
            } else {
                canvas.drawColor(mColor3);
            }
        }

        // Then draw up to 4 overlapping concentric circles of varying radii, based on how far
        // along we are in the cycle.
        // progress 0-50 draw mColor2
        // progress 25-75 draw mColor3
        // progress 50-100 draw mColor4
        // progress 75 (wrap to 25) draw mColor1
        if ((rawProgress >= 0 && rawProgress <= 25)) {
            float pct = (((rawProgress + 25) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor1, pct);
        }
        if (rawProgress >= 0 && rawProgress <= 50) {
            float pct = ((rawProgress * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor2, pct);
        }
        if (rawProgress >= 25 && rawProgress <= 75) {
            float pct = (((rawProgress - 25) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor3, pct);
        }
        if (rawProgress >= 50 && rawProgress <= 100) {
            float pct = (((rawProgress - 50) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor4, pct);
        }
        if ((rawProgress >= 75 && rawProgress <= 100)) {
            float pct = (((rawProgress - 75) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor1, pct);
        }
        if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) {
            // There is some portion of trigger to draw. Restore the canvas,
            // then draw the trigger. Otherwise, the trigger does not appear
            // until after the bar has finished animating and appears to
            // just jump in at a larger width than expected.
            canvas.restoreToCount(restoreCount);
            restoreCount = canvas.save();
            canvas.clipRect(mBounds);
            drawTrigger(canvas, cx, cy);
        }
        // Keep running until we finish out the last cycle.
        ViewCompat.postInvalidateOnAnimation(mParent);
    } else {
        // Otherwise if we're in the middle of a trigger, draw that.
        if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) {
            drawTrigger(canvas, cx, cy);
        }
    }
    canvas.restoreToCount(restoreCount);
}

From source file:com.ljmob.corner.view.SwipeProgressBar.java

void draw(Canvas canvas) {
    final int width = mBounds.width();
    final int height = mBounds.height();
    final int cx = width / 2;
    final int cy = height / 2 + marginTop;
    boolean drawTriggerWhileFinishing = false;
    int restoreCount = canvas.save();
    canvas.clipRect(mBounds);/* ww  w  . j a va2s. co  m*/

    if (mRunning || (mFinishTime > 0)) {
        long now = AnimationUtils.currentAnimationTimeMillis();
        long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS;
        long iterations = (now - mStartTime) / ANIMATION_DURATION_MS;
        float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f));

        // If we're not running anymore, that means we're running through
        // the finish animation.
        if (!mRunning) {
            // If the finish animation is done, don't draw anything, and
            // don't repost.
            if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) {
                mFinishTime = 0;
                return;
            }

            // Otherwise, use a 0 opacity alpha layer to clear the animation
            // from the inside out. This layer will prevent the circles from
            // drawing within its bounds.
            long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS;
            float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f));
            float pct = (finishProgress / 100f);
            // Radius of the circle is half of the screen.
            float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct);
            mClipRect.set(cx - clearRadius, marginTop, cx + clearRadius, height + marginTop);
            canvas.saveLayerAlpha(mClipRect, 0, 0);
            // Only draw the trigger if there is a space in the center of
            // this refreshing view that needs to be filled in by the
            // trigger. If the progress view is just still animating, let it
            // continue animating.
            drawTriggerWhileFinishing = true;
        }

        // First fill in with the last color that would have finished
        // drawing.
        if (iterations == 0) {
            canvas.drawColor(mColor1);
        } else {
            if (rawProgress >= 0 && rawProgress < 25) {
                canvas.drawColor(mColor4);
            } else if (rawProgress >= 25 && rawProgress < 50) {
                canvas.drawColor(mColor1);
            } else if (rawProgress >= 50 && rawProgress < 75) {
                canvas.drawColor(mColor2);
            } else {
                canvas.drawColor(mColor3);
            }
        }

        // Then draw up to 4 overlapping concentric circles of varying
        // radii, based on how far
        // along we are in the cycle.
        // progress 0-50 draw mColor2
        // progress 25-75 draw mColor3
        // progress 50-100 draw mColor4
        // progress 75 (wrap to 25) draw mColor1
        if ((rawProgress >= 0 && rawProgress <= 25)) {
            float pct = (((rawProgress + 25) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor1, pct);
        }
        if (rawProgress >= 0 && rawProgress <= 50) {
            float pct = ((rawProgress * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor2, pct);
        }
        if (rawProgress >= 25 && rawProgress <= 75) {
            float pct = (((rawProgress - 25) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor3, pct);
        }
        if (rawProgress >= 50 && rawProgress <= 100) {
            float pct = (((rawProgress - 50) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor4, pct);
        }
        if ((rawProgress >= 75 && rawProgress <= 100)) {
            float pct = (((rawProgress - 75) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor1, pct);
        }
        if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) {
            // There is some portion of trigger to draw. Restore the canvas,
            // then draw the trigger. Otherwise, the trigger does not appear
            // until after the bar has finished animating and appears to
            // just jump in at a larger width than expected.
            canvas.restoreToCount(restoreCount);
            restoreCount = canvas.save();
            canvas.clipRect(mBounds);
            drawTrigger(canvas, cx, cy);
        }
        // Keep running until we finish out the last cycle.
        ViewCompat.postInvalidateOnAnimation(mParent);
    } else {
        // Otherwise if we're in the middle of a trigger, draw that.
        if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) {
            drawTrigger(canvas, cx, cy);
        }
    }
    canvas.restoreToCount(restoreCount);
}

From source file:com.mediatek.galleryfeature.stereo.segment.ImageShow.java

protected void doDraw(Canvas canvas) {
    Bitmap preview = mMasterImage.getBitmap();
    canvas.save();
    drawImages(canvas, preview);
    canvas.restore();
}

From source file:com.callba.phone.widget.refreshlayout.SwipeProgressBar.java

void draw(Canvas canvas) {
    Rect bounds = mBounds;// ww w  .  j a  v  a2 s . c  o  m
    final int width = bounds.width();
    final int height = bounds.height();
    final int cx = bounds.centerX();
    final int cy = bounds.centerY();
    boolean drawTriggerWhileFinishing = false;
    int restoreCount = canvas.save();
    canvas.clipRect(bounds);

    if (mRunning || (mFinishTime > 0)) {
        long now = AnimationUtils.currentAnimationTimeMillis();
        long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS;
        long iterations = (now - mStartTime) / ANIMATION_DURATION_MS;
        float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f));

        // If we're not running anymore, that means we're running through
        // the finish animation.
        if (!mRunning) {
            // If the finish animation is done, don't draw anything, and
            // don't repost.
            if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) {
                mFinishTime = 0;
                return;
            }

            // Otherwise, use a 0 opacity alpha layer to clear the animation
            // from the inside out. This layer will prevent the circles from
            // drawing within its bounds.
            long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS;
            float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f));
            float pct = (finishProgress / 100f);
            // Radius of the community is half of the screen.
            float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct);
            mClipRect.set(cx - clearRadius, 0, cx + clearRadius, height);
            canvas.saveLayerAlpha(mClipRect, 0, 0);
            // Only draw the trigger if there is a space in the center of
            // this refreshing view that needs to be filled in by the
            // trigger. If the progress view is just still animating, let it
            // continue animating.
            drawTriggerWhileFinishing = true;
        }

        // First fill in with the last color that would have finished drawing.
        if (iterations == 0) {
            canvas.drawColor(mColor1);
        } else {
            if (rawProgress >= 0 && rawProgress < 25) {
                canvas.drawColor(mColor4);
            } else if (rawProgress >= 25 && rawProgress < 50) {
                canvas.drawColor(mColor1);
            } else if (rawProgress >= 50 && rawProgress < 75) {
                canvas.drawColor(mColor2);
            } else {
                canvas.drawColor(mColor3);
            }
        }

        // Then draw up to 4 overlapping concentric circles of varying radii, based on how far
        // along we are in the cycle.
        // progress 0-50 draw mColor2
        // progress 25-75 draw mColor3
        // progress 50-100 draw mColor4
        // progress 75 (wrap to 25) draw mColor1
        if ((rawProgress >= 0 && rawProgress <= 25)) {
            float pct = (((rawProgress + 25) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor1, pct);
        }
        if (rawProgress >= 0 && rawProgress <= 50) {
            float pct = ((rawProgress * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor2, pct);
        }
        if (rawProgress >= 25 && rawProgress <= 75) {
            float pct = (((rawProgress - 25) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor3, pct);
        }
        if (rawProgress >= 50 && rawProgress <= 100) {
            float pct = (((rawProgress - 50) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor4, pct);
        }
        if ((rawProgress >= 75 && rawProgress <= 100)) {
            float pct = (((rawProgress - 75) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor1, pct);
        }
        if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) {
            // There is some portion of trigger to draw. Restore the canvas,
            // then draw the trigger. Otherwise, the trigger does not appear
            // until after the bar has finished animating and appears to
            // just jump in at a larger width than expected.
            canvas.restoreToCount(restoreCount);
            restoreCount = canvas.save();
            canvas.clipRect(bounds);
            drawTrigger(canvas, cx, cy);
        }
        // Keep running until we finish out the last cycle.
        ViewCompat.postInvalidateOnAnimation(mParent, bounds.left, bounds.top, bounds.right, bounds.bottom);
    } else {
        // Otherwise if we're in the middle of a trigger, draw that.
        if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) {
            drawTrigger(canvas, cx, cy);
        }
    }
    canvas.restoreToCount(restoreCount);
}

From source file:com.cyan.widget.refreshlayout.SwipeProgressBar.java

void draw(Canvas canvas) {
    Rect bounds = mBounds;// w ww .ja v a2 s  .  c  om
    final int width = bounds.width();
    final int height = bounds.height();
    final int cx = bounds.centerX();
    final int cy = bounds.centerY();
    boolean drawTriggerWhileFinishing = false;
    int restoreCount = canvas.save();
    canvas.clipRect(bounds);

    if (mRunning || (mFinishTime > 0)) {
        long now = AnimationUtils.currentAnimationTimeMillis();
        long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS;
        long iterations = (now - mStartTime) / ANIMATION_DURATION_MS;
        float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f));

        // If we're not running anymore, that means we're running through
        // the finish animation.
        if (!mRunning) {
            // If the finish animation is done, don't draw anything, and
            // don't repost.
            if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) {
                mFinishTime = 0;
                return;
            }

            // Otherwise, use a 0 opacity alpha layer to clear the animation
            // from the inside out. This layer will prevent the circles from
            // drawing within its bounds.
            long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS;
            float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f));
            float pct = (finishProgress / 100f);
            // Radius of the circle is half of the screen.
            float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct);
            mClipRect.set(cx - clearRadius, 0, cx + clearRadius, height);
            canvas.saveLayerAlpha(mClipRect, 0, 0);
            // Only draw the trigger if there is a space in the center of
            // this refreshing view that needs to be filled in by the
            // trigger. If the progress view is just still animating, let it
            // continue animating.
            drawTriggerWhileFinishing = true;
        }

        // First fill in with the last color that would have finished drawing.
        if (iterations == 0) {
            canvas.drawColor(mColor1);
        } else {
            if (rawProgress >= 0 && rawProgress < 25) {
                canvas.drawColor(mColor4);
            } else if (rawProgress >= 25 && rawProgress < 50) {
                canvas.drawColor(mColor1);
            } else if (rawProgress >= 50 && rawProgress < 75) {
                canvas.drawColor(mColor2);
            } else {
                canvas.drawColor(mColor3);
            }
        }

        // Then draw up to 4 overlapping concentric circles of varying radii, based on how far
        // along we are in the cycle.
        // progress 0-50 draw mColor2
        // progress 25-75 draw mColor3
        // progress 50-100 draw mColor4
        // progress 75 (wrap to 25) draw mColor1
        if ((rawProgress >= 0 && rawProgress <= 25)) {
            float pct = (((rawProgress + 25) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor1, pct);
        }
        if (rawProgress >= 0 && rawProgress <= 50) {
            float pct = ((rawProgress * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor2, pct);
        }
        if (rawProgress >= 25 && rawProgress <= 75) {
            float pct = (((rawProgress - 25) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor3, pct);
        }
        if (rawProgress >= 50 && rawProgress <= 100) {
            float pct = (((rawProgress - 50) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor4, pct);
        }
        if ((rawProgress >= 75 && rawProgress <= 100)) {
            float pct = (((rawProgress - 75) * 2) / 100f);
            drawCircle(canvas, cx, cy, mColor1, pct);
        }
        if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) {
            // There is some portion of trigger to draw. Restore the canvas,
            // then draw the trigger. Otherwise, the trigger does not appear
            // until after the bar has finished animating and appears to
            // just jump in at a larger width than expected.
            canvas.restoreToCount(restoreCount);
            restoreCount = canvas.save();
            canvas.clipRect(bounds);
            drawTrigger(canvas, cx, cy);
        }
        // Keep running until we finish out the last cycle.
        ViewCompat.postInvalidateOnAnimation(mParent, bounds.left, bounds.top, bounds.right, bounds.bottom);
    } else {
        // Otherwise if we're in the middle of a trigger, draw that.
        if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) {
            drawTrigger(canvas, cx, cy);
        }
    }
    canvas.restoreToCount(restoreCount);
}

From source file:me.lizheng.deckview.helpers.FakeShadowDrawable.java

private void drawShadow(Canvas canvas) {
    final float edgeShadowTop = -mCornerRadius - mShadowSize;
    final float inset = mCornerRadius + mInsetShadow + mRawShadowSize / 2;
    final boolean drawHorizontalEdges = mCardBounds.width() - 2 * inset > 0;
    final boolean drawVerticalEdges = mCardBounds.height() - 2 * inset > 0;
    // LT//  ww w .j  a va  2s  .  c o m
    int saved = canvas.save();
    canvas.translate(mCardBounds.left + inset, mCardBounds.top + inset);
    canvas.drawPath(mCornerShadowPath, mCornerShadowPaint);
    if (drawHorizontalEdges) {
        canvas.drawRect(0, edgeShadowTop, mCardBounds.width() - 2 * inset, -mCornerRadius, mEdgeShadowPaint);
    }
    canvas.restoreToCount(saved);
    // RB
    saved = canvas.save();
    canvas.translate(mCardBounds.right - inset, mCardBounds.bottom - inset);
    canvas.rotate(180f);
    canvas.drawPath(mCornerShadowPath, mCornerShadowPaint);
    if (drawHorizontalEdges) {
        canvas.drawRect(0, edgeShadowTop, mCardBounds.width() - 2 * inset, -mCornerRadius + mShadowSize,
                mEdgeShadowPaint);
    }
    canvas.restoreToCount(saved);
    // LB
    saved = canvas.save();
    canvas.translate(mCardBounds.left + inset, mCardBounds.bottom - inset);
    canvas.rotate(270f);
    canvas.drawPath(mCornerShadowPath, mCornerShadowPaint);
    if (drawVerticalEdges) {
        canvas.drawRect(0, edgeShadowTop, mCardBounds.height() - 2 * inset, -mCornerRadius, mEdgeShadowPaint);
    }
    canvas.restoreToCount(saved);
    // RT
    saved = canvas.save();
    canvas.translate(mCardBounds.right - inset, mCardBounds.top + inset);
    canvas.rotate(90f);
    canvas.drawPath(mCornerShadowPath, mCornerShadowPaint);
    if (drawVerticalEdges) {
        canvas.drawRect(0, edgeShadowTop, mCardBounds.height() - 2 * inset, -mCornerRadius, mEdgeShadowPaint);
    }
    canvas.restoreToCount(saved);
}

From source file:com.beijing.fun.view.refreshLayout.BGAStickinessRefreshView.java

@Override
public void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    mPath.reset();/* w w w.j a v  a 2  s. c o  m*/

    mTopBound.round(mRotateDrawableBound);
    mRotateDrawable.setBounds(mRotateDrawableBound);
    if (mIsRotating) {
        mPath.addOval(mTopBound, Path.Direction.CW);
        canvas.drawPath(mPath, mPaint);
        canvas.save();
        canvas.rotate(mCurrentDegree, mRotateDrawable.getBounds().centerX(),
                mRotateDrawable.getBounds().centerY());
        mRotateDrawable.draw(canvas);
        canvas.restore();
    } else {
        // drawable
        mPath.moveTo(mTopBound.left, mTopBound.top + mTopSize / 2);
        // drawable?
        mPath.arcTo(mTopBound, 180, 180);
        // ?
        //            mPath.quadTo(mTopBound.right - mTopSize / 8, mTopBound.bottom, mBottomBound.right, mBottomBound.bottom - mBottomBound.height() / 2);

        // mCurrentBottomHeight   0  mMaxBottomHeight
        // scale                  0.2  1
        float scale = Math.max(mCurrentBottomHeight * 1.0f / mMaxBottomHeight, 0.2f);

        float bottomControlXOffset = mTopSize * ((3 + (float) Math.pow(scale, 7) * 16) / 32);
        float bottomControlY = mTopBound.bottom / 2 + mCenterPoint.y / 2;
        // ???
        mPath.cubicTo(mTopBound.right - mTopSize / 8, mTopBound.bottom, mTopBound.right - bottomControlXOffset,
                bottomControlY, mBottomBound.right, mBottomBound.bottom - mBottomBound.height() / 2);

        mPath.arcTo(mBottomBound, 0, 180);

        //            mPath.quadTo(mTopBound.left + mTopSize / 8, mTopBound.bottom, mTopBound.left, mTopBound.bottom - mTopSize / 2);
        mPath.cubicTo(mTopBound.left + bottomControlXOffset, bottomControlY, mTopBound.left + mTopSize / 8,
                mTopBound.bottom, mTopBound.left, mTopBound.bottom - mTopSize / 2);

        canvas.drawPath(mPath, mPaint);

        mRotateDrawable.draw(canvas);
    }
}