旋转 NSImageView 导致 NSImageView 缩放
我使用以下代码来旋转 NSImageView （实际上是三个堆叠在一起），旋转工作正常，但图像在旋转时会上下缩放。为什么？我该如何解决它？
- (void)UpdateRotate:(CGPoint)mouseLoc{
mouseLoc.y = mouseLoc.y - 200;
CGPoint playerMid = CGPointMake(prect.xPos, prect.yPos);
x = mouseLoc.x - playerMid.x;
y = mouseLoc.y - playerMid.y;
double priorResult = rot;
rot = atan2(y,x) * 180 / PI;
[image rotateByAngle:-priorResult];
[image rotateByAngle:rot];
[image setNeedsDisplay:YES];
[WeaponImage rotateByAngle:-priorResult];
[WeaponImage rotateByAngle:rot];
[WeaponImage setNeedsDisplay:YES];
[ShieldImage rotateByAngle:-priorResult];
[ShieldImage rotateByAngle:rot];
[ShieldImage setNeedsDisplay:YES];
}
解决了！
我没有旋转每个 NSImageView，而是旋转了包含所有 ImageView 的整个 NSView =D
代码：
[self setFrameCenterRotation:-priorResult];
[self setFrameCenterRotation:rot];
[self setNeedsDisplay:YES];
I am using the following code to rotate a NSImageView (actually three stacked on top of each other) the rotation works fine, but the image scales up and down when it rotates. why? and how can i fix it?
- (void)UpdateRotate:(CGPoint)mouseLoc{
mouseLoc.y = mouseLoc.y - 200;
CGPoint playerMid = CGPointMake(prect.xPos, prect.yPos);
x = mouseLoc.x - playerMid.x;
y = mouseLoc.y - playerMid.y;
double priorResult = rot;
rot = atan2(y,x) * 180 / PI;
[image rotateByAngle:-priorResult];
[image rotateByAngle:rot];
[image setNeedsDisplay:YES];
[WeaponImage rotateByAngle:-priorResult];
[WeaponImage rotateByAngle:rot];
[WeaponImage setNeedsDisplay:YES];
[ShieldImage rotateByAngle:-priorResult];
[ShieldImage rotateByAngle:rot];
[ShieldImage setNeedsDisplay:YES];
}
Solved!
instead of rotating each NSImageView i just rotated the whole NSView containing all the ImageViews =D
Code:
[self setFrameCenterRotation:-priorResult];
[self setFrameCenterRotation:rot];
[self setNeedsDisplay:YES];
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使用：
Use:
也许调用 - (void)setImageScaling:(NSImageScaling)newScaling;
用 NSImageScaleNone 关闭缩放？
Perhaps call - (void)setImageScaling:(NSImageScaling)newScaling;
with NSImageScaleNone to turn off scaling?