Example usage for android.graphics Canvas clipRect

List of usage examples for android.graphics Canvas clipRect

Introduction

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

Prototype

public boolean clipRect(@NonNull Rect rect) 

Source Link

Document

Intersect the current clip with the specified rectangle, which is expressed in local coordinates.

Usage

From source file:com.av.remusic.widget.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;
    final int cy = mBounds.bottom - height / 2;
    boolean drawTriggerWhileFinishing = false;
    int restoreCount = canvas.save();
    canvas.clipRect(mBounds);

    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;/*  w w  w .java  2s. co  m*/
                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.gmy.widget.swiperefresh.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;
    final int cy = mBounds.bottom - height / 2;
    boolean drawTriggerWhileFinishing = false;
    int restoreCount = canvas.save();
    canvas.clipRect(mBounds);

    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;/*from w  ww.  ja va  2s  .  c  om*/
                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.mde.potdroid.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 + mTopMargin;
    boolean drawTriggerWhileFinishing = false;
    int restoreCount = canvas.save();
    canvas.clipRect(mBounds);

    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;/*from w ww  .  j ava 2 s . co m*/
                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, mTopMargin, cx + clearRadius, height + mTopMargin);
            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.swiperefreshlayout.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;  
    final int cy = mBounds.bottom - height / 2;
    boolean drawTriggerWhileFinishing = false;
    int restoreCount = canvas.save();
    canvas.clipRect(mBounds);

    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;/* w  w  w . ja  va  2  s .c o m*/
                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:org.srr.dev.view.refreshlayout.SwipeProgressBar.java

private boolean draw(Canvas canvas, boolean first) {
    Rect bounds = mBounds;//from  www. ja  v  a  2 s . c  o  m
    final int width = bounds.width();
    final int cx = bounds.centerX();
    final int cy = bounds.centerY();
    boolean drawTriggerWhileFinishing = false;
    boolean drawAgain = 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 re-post.
            if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) {
                mFinishTime = 0;
                return false;
            }

            // 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);
            if (SUPPORT_CLIP_RECT_DIFFERENCE) {
                mClipRect.set(cx - clearRadius, bounds.top, cx + clearRadius, bounds.bottom);
                canvas.clipRect(mClipRect, Region.Op.DIFFERENCE);
            } else {
                if (first) {
                    // First time left
                    drawAgain = true;
                    mClipRect.set(bounds.left, bounds.top, cx - clearRadius, bounds.bottom);
                } else {
                    // Second time right
                    mClipRect.set(cx + clearRadius, bounds.top, bounds.right, bounds.bottom);
                }
                canvas.clipRect(mClipRect);
            }
            // 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);
    return drawAgain;
}

From source file:com.hippo.refreshlayout.SwipeProgressBar.java

private boolean draw(Canvas canvas, boolean first) {
    Rect bounds = mBounds;/*w w w  .j a  v  a2 s.  co m*/
    final int width = bounds.width();
    final int cx = bounds.centerX();
    final int cy = bounds.centerY();
    final int colors = mColors.length;
    boolean drawTriggerWhileFinishing = false;
    boolean drawAgain = false;
    int restoreCount = canvas.save();
    canvas.clipRect(bounds);

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

        // 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 false;
            }

            // 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);
            if (SUPPORT_CLIP_RECT_DIFFERENCE) {
                mClipRect.set(cx - clearRadius, bounds.top, cx + clearRadius, bounds.bottom);
                canvas.clipRect(mClipRect, Region.Op.DIFFERENCE);
            } else {
                if (first) {
                    // First time left
                    drawAgain = true;
                    mClipRect.set(bounds.left, bounds.top, cx - clearRadius, bounds.bottom);
                } else {
                    // Second time right
                    mClipRect.set(cx + clearRadius, bounds.top, bounds.right, bounds.bottom);
                }
                canvas.clipRect(mClipRect);
            }
            // 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(mColors[0]);
        } else {
            int index = colors - 1;
            float left = 0.0f;
            float right = 1.0f;
            for (int i = 0; i < colors; ++i) {
                if ((rawProgress >= left && rawProgress < right) || i == colors - 1) {
                    canvas.drawColor(mColors[index]);
                    break;
                }
                index = (index + 1) % colors;
                left += 1.0f;
                right += 1.0f;
            }
        }

        // 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 (colors > 1) {
            if ((rawProgress >= 0.0f && rawProgress <= 1.0f)) {
                float pct = (rawProgress + 1.0f) / 2;
                drawCircle(canvas, cx, cy, mColors[0], pct);
            }
            float left = 0.0f;
            float right = 2.0f;
            for (int i = 1; i < colors; ++i) {
                if (rawProgress >= left && rawProgress <= right) {
                    float pct = (rawProgress - i + 1.0f) / 2;
                    drawCircle(canvas, cx, cy, mColors[i], pct);
                }
                left += 1.0f;
                right += 1.0f;
            }
            if ((rawProgress >= colors - 1.0f && rawProgress <= colors)) {
                float pct = (rawProgress - colors + 1.0f) / 2;
                drawCircle(canvas, cx, cy, mColors[0], 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);
    return drawAgain;
}

From source file:com.appsimobile.appsii.module.home.SunriseDrawable.java

private float drawArc(Canvas canvas, Rect bounds) {
    canvas.drawPath(mArc, mArcPaint);//from   w ww  .j a v  a2s .  c o m

    int minuteSinceStart = mNowMinutes - mRiseMinutes;
    int totalMinutes = mSetMinutes - mRiseMinutes;
    float pct = (minuteSinceStart / (float) totalMinutes);

    int r = bounds.right - mRightOffset;
    int l = bounds.left + mLeftOffset;

    int px = (int) (pct * (r - l));

    mClipRect.set(0, 0, l + px, bounds.bottom);
    canvas.save(Canvas.CLIP_SAVE_FLAG);
    canvas.clipRect(mClipRect);
    canvas.drawPath(mArcFill, mArcFillPaint);
    canvas.restore();

    return pct;
}

From source file:com.facebook.react.views.scroll.ReactHorizontalScrollView.java

@Override
protected void onDraw(Canvas canvas) {
    getDrawingRect(mRect);/*from   w  ww.j  ava2 s.c  o m*/

    switch (mOverflow) {
    case ViewProps.VISIBLE:
        break;
    default:
        canvas.clipRect(mRect);
        break;
    }

    super.onDraw(canvas);
}

From source file:io.github.sin3hz.fastjumper.FastJumperDecoration.java

@Override
public void onDrawOver(Canvas c, RecyclerView parent, RecyclerView.State state) {
    super.onDrawOver(c, parent, state);
    mDirtyBounds.setEmpty();//  ww  w . j ava2 s.c  o m
    if (mState == STATE_GONE) {
        return;
    }
    c.save();
    updateBounds();
    c.clipRect(mSelfBounds);
    mThumbDrawable.setBounds(mThumbBounds);
    mThumbDrawable.draw(c);
    mLabelDrawable.setBounds(mLabelBounds);
    mLabelDrawable.draw(c);
    c.restore();
}

From source file:de.telekom.pde.codelibrary.ui.layout.PDESwipeRefreshLayout.java

@Override
public void draw(@NonNull Canvas canvas) {
    super.draw(canvas);

    int width = mBounds.width();
    int height = mBounds.height();
    int cx = width / 2;
    int cy = height / 2;

    int restoreCount = canvas.save();
    canvas.clipRect(mBounds);

    if (mRunning) {
        long now = AnimationUtils.currentAnimationTimeMillis();
        long elapsed = (now - mStartTime) % mAnimationDuration;
        float currentAngle = (elapsed / (mAnimationDuration / 100f)) * 3.6f;

        canvas.drawCircle(cx, cy, PDEBuildingUnits.BU(), mPaint);

        canvas.save();//  www.ja v  a 2 s .c om
        canvas.rotate(currentAngle, cx, cy);
        canvas.drawPath(mCirclePath, mWhitePaint);
        canvas.restore();

        ViewCompat.postInvalidateOnAnimation(this);
    } 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);
}