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Code Issues Releases Wiki Activity

curl implementation works for all 4 screen corners

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This commit is contained in:
Nikolay Pultsin 2011-03-30 12:40:17 +01:00
parent 8d414fa9a1
commit e405d15633
1 changed files with 38 additions and 23 deletions
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61
src/org/geometerplus/zlibrary/ui/android/view/ZLAndroidWidget.java
View file

@ -207,8 +207,6 @@ public class ZLAndroidWidget extends View implements View.OnLongClickListener {
}
myScrollingSpeed *= 1.5;
}
final int size = myScrollHorizontally ? w : h;
int shift = getScrollingShift() < 0 ? getScrollingShift() + size : getScrollingShift() - size;
getAnimationProvider().draw(
canvas,
@ -219,33 +217,48 @@ public class ZLAndroidWidget extends View implements View.OnLongClickListener {
);
switch (view.getAnimationType()) {
case none:
case slide:
case shift:
break;
case curl:
{
if (doStopScrolling && myScrollingBound != 0) {
break;
}
final int cornerX = myStartX > w / 2 ? w : 0;
final int cornerY = myStartY > h / 2 ? h : 0;
final int oppositeX = Math.abs(w - cornerX);
final int oppositeY = Math.abs(h - cornerY);
final int x, y;
if (myScrollHorizontally) {
x = - getScrollingShift();
y = x * h / w;
x = Math.max(1, Math.min(w - 1, myEndX));
if (cornerY == 0) {
y = Math.max(1, Math.min(h / 2, myEndY));
} else {
y = - getScrollingShift();
x = y * w / h;
y = Math.max(h / 2, Math.min(h - 1, myEndY));
}
} else {
y = Math.max(1, Math.min(h - 1, myEndY));
if (cornerX == 0) {
x = Math.max(1, Math.min(w / 2, myEndX));
} else {
x = Math.max(w / 2, Math.min(w - 1, myEndX));
}
}
final int dX = Math.abs(x - cornerX);
final int dY = Math.abs(y - cornerY);
final int x1 = cornerX == 0
? (dY * dY / dX + dX) / 2
: cornerX - (dY * dY / dX + dX) / 2;
final int y1 = cornerY == 0
? (dX * dX / dY + dY) / 2
: cornerY - (dX * dX / dY + dY) / 2;
final int x1 = x > 0 ? w - (y * y / x + x) / 2 : w;
final int y1 = y > 0 ? h - (x * x / y + y) / 2 : h;
final Path fgPath = new Path();
fgPath.moveTo(x1, h);
fgPath.lineTo(w - x, h - y);
fgPath.lineTo(w, y1);
fgPath.lineTo(w, 0);
fgPath.lineTo(0, 0);
fgPath.lineTo(0, h);
fgPath.moveTo(x1, cornerY);
fgPath.lineTo(x, y);
fgPath.lineTo(cornerX, y1);
fgPath.lineTo(cornerX, oppositeY);
fgPath.lineTo(oppositeX, oppositeY);
fgPath.lineTo(oppositeX, cornerY);
canvas.clipPath(fgPath);
canvas.drawBitmap(
myMainBitmap,
@ -254,18 +267,20 @@ public class ZLAndroidWidget extends View implements View.OnLongClickListener {
);
canvas.restore();
if (shift > 0 && shift < size) {
final int size = myScrollHorizontally ? w : h;
int shift = getScrollingShift() < 0 ? getScrollingShift() + size : getScrollingShift() - size;
//if (shift > 0 && shift < size) {
myEdgePaint.setColor(ZLAndroidPaintContext.getFillColor());
myEdgePaint.setAntiAlias(true);
myEdgePaint.setStyle(Paint.Style.FILL);
myEdgePaint.setShadowLayer(25, 5, 5, 0x99000000);
final Path path = new Path();
path.moveTo(x1, h);
path.lineTo(w - x, h - y);
path.lineTo(w, y1);
path.moveTo(x1, cornerY);
path.lineTo(x, y);
path.lineTo(cornerX, y1);
canvas.drawPath(path, myEdgePaint);
}
//}
break;
}