mirror of https://github.com/kurisufriend/Clover
Floens
10 years ago
parent
8036a42eba
commit
463b7e5291
@ -1,41 +0,0 @@ |
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package org.floens.chan.ui.view; |
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import android.content.Context; |
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import android.graphics.Canvas; |
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import android.graphics.Rect; |
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import android.util.AttributeSet; |
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import android.widget.ImageView; |
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public class ClippingImageView extends ImageView { |
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private Rect clipRect = new Rect(); |
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public ClippingImageView(Context context) { |
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super(context); |
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} |
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public ClippingImageView(Context context, AttributeSet attrs) { |
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super(context, attrs); |
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} |
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public ClippingImageView(Context context, AttributeSet attrs, int defStyleAttr) { |
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super(context, attrs, defStyleAttr); |
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} |
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@Override |
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protected void onDraw(Canvas canvas) { |
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if (!clipRect.isEmpty() && (clipRect.width() < getWidth() || clipRect.height() < getHeight())) { |
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canvas.clipRect(clipRect); |
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} |
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super.onDraw(canvas); |
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} |
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public void clip(Rect rect) { |
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if (rect == null) { |
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clipRect.setEmpty(); |
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} else { |
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clipRect.set(rect); |
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} |
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invalidate(); |
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} |
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} |
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@ -0,0 +1,117 @@ |
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package org.floens.chan.ui.view; |
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import android.content.Context; |
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import android.graphics.Bitmap; |
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import android.graphics.Canvas; |
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import android.graphics.Matrix; |
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import android.graphics.Paint; |
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import android.graphics.Point; |
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import android.graphics.PointF; |
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import android.graphics.RectF; |
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import android.util.AttributeSet; |
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import android.view.View; |
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public class TransitionImageView extends View { |
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private static final String TAG = "TransitionImageView"; |
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private Bitmap bitmap; |
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private Matrix matrix = new Matrix(); |
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private Paint paint = new Paint(); |
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private RectF bitmapRect = new RectF(); |
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private RectF destRect = new RectF(); |
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private RectF sourceImageRect = new RectF(); |
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private PointF sourceOverlap = new PointF(); |
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private RectF destClip = new RectF(); |
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private float progress; |
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public TransitionImageView(Context context) { |
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super(context); |
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init(); |
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} |
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public TransitionImageView(Context context, AttributeSet attrs) { |
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super(context, attrs); |
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init(); |
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} |
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public TransitionImageView(Context context, AttributeSet attrs, int defStyleAttr) { |
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super(context, attrs, defStyleAttr); |
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init(); |
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} |
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public void setSourceImageView(Point windowLocation, Point viewSize, Bitmap bitmap) { |
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this.bitmap = bitmap; |
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bitmapRect.set(0, 0, bitmap.getWidth(), bitmap.getHeight()); |
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int[] myLoc = new int[2]; |
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getLocationInWindow(myLoc); |
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float globalOffsetX = windowLocation.x - myLoc[0]; |
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float globalOffsetY = windowLocation.y - myLoc[1]; |
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// Get the coords in the image view with the center crop method
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float scaleX = (float) viewSize.x / (float) bitmap.getWidth(); |
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float scaleY = (float) viewSize.y / (float) bitmap.getHeight(); |
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float scale = scaleX > scaleY ? scaleX : scaleY; |
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float scaledX = bitmap.getWidth() * scale; |
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float scaledY = bitmap.getHeight() * scale; |
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float offsetX = (scaledX - viewSize.x) * 0.5f; |
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float offsetY = (scaledY - viewSize.y) * 0.5f; |
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sourceOverlap.set(offsetX, offsetY); |
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sourceImageRect.set( |
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-offsetX + globalOffsetX, |
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-offsetY + globalOffsetY, |
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scaledX - offsetX + globalOffsetX, |
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scaledY - offsetY + globalOffsetY); |
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} |
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public void setProgress(float progress) { |
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this.progress = progress; |
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// Center inside method
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float destScale = Math.min( |
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(float) getWidth() / (float) bitmap.getWidth(), |
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(float) getHeight() / (float) bitmap.getHeight()); |
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float destOffsetX = (getWidth() - bitmap.getWidth() * destScale) * 0.5f; |
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float destOffsetY = (getHeight() - bitmap.getHeight() * destScale) * 0.5f; |
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float destRight = bitmap.getWidth() * destScale + destOffsetX; |
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float destBottom = bitmap.getHeight() * destScale + destOffsetY; |
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float left = sourceImageRect.left + (destOffsetX - sourceImageRect.left) * progress; |
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float top = sourceImageRect.top + (destOffsetY - sourceImageRect.top) * progress; |
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float right = sourceImageRect.right + (destRight - sourceImageRect.right) * progress; |
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float bottom = sourceImageRect.bottom + (destBottom - sourceImageRect.bottom) * progress; |
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destRect.set(left, top, right, bottom); |
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destClip.set( |
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left + sourceOverlap.x * (1f - progress), |
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top + sourceOverlap.y * (1f - progress), |
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right - sourceOverlap.x * (1f - progress), |
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bottom - sourceOverlap.y * (1f - progress) |
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); |
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invalidate(); |
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} |
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@Override |
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protected void onDraw(Canvas canvas) { |
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super.onDraw(canvas); |
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if (bitmap != null) { |
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matrix.setRectToRect(bitmapRect, destRect, Matrix.ScaleToFit.FILL); |
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canvas.save(); |
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if (progress < 1f) { |
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canvas.clipRect(destClip); |
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} |
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canvas.drawBitmap(bitmap, matrix, paint); |
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canvas.restore(); |
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} |
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} |
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private void init() { |
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paint.setAntiAlias(true); |
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paint.setFilterBitmap(true); |
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} |
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} |
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