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/* HBImageAndTextCell
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License.
*/
#import "HBImageAndTextCell.h"
static inline CGFloat
xLeftInRect(NSSize innerSize, NSRect outerRect)
{
return NSMinX(outerRect);
}
static inline CGFloat
xCenterInRect(NSSize innerSize, NSRect outerRect)
{
return MAX(NSMidX(outerRect) - (innerSize.width/2.0), 0.0);
}
static inline CGFloat
xRightInRect(NSSize innerSize, NSRect outerRect)
{
return MAX(NSMaxX(outerRect) - innerSize.width, 0.0);
}
static inline CGFloat
yTopInRect(NSSize innerSize, NSRect outerRect, BOOL flipped)
{
if (flipped)
return NSMinY(outerRect);
else
return MAX(NSMaxY(outerRect) - innerSize.height, 0.0);
}
static inline CGFloat
yCenterInRect(NSSize innerSize, NSRect outerRect, BOOL flipped)
{
return MAX(NSMidY(outerRect) - innerSize.height/2.0, 0.0);
}
static inline CGFloat
yBottomInRect(NSSize innerSize, NSRect outerRect, BOOL flipped)
{
if (flipped)
return MAX(NSMaxY(outerRect) - innerSize.height, 0.0);
else
return NSMinY(outerRect);
}
static inline NSSize
scaleProportionally(NSSize imageSize, NSRect canvasRect)
{
CGFloat ratio;
// get the smaller ratio and scale the image size by it
ratio = MIN(NSWidth(canvasRect) / imageSize.width,
NSHeight(canvasRect) / imageSize.height);
imageSize.width *= ratio;
imageSize.height *= ratio;
return imageSize;
}
@implementation HBImageAndTextCell
-(id)initTextCell:(NSString *)aString
{
if (self = [super initTextCell:aString])
{
imageAlignment = NSImageAlignTop;
imageSpacing = NSMakeSize (3.0, 2.0);
}
return self;
}
-(id)initWithCoder:(NSCoder *)decoder
{
if (self = [super initWithCoder:decoder])
{
imageAlignment = NSImageAlignTop;
imageSpacing = NSMakeSize (3.0, 2.0);
}
return self;
}
- (void)dealloc
{
[image release];
image = nil;
[super dealloc];
}
- copyWithZone:(NSZone *)zone
{
HBImageAndTextCell *cell = (HBImageAndTextCell *)[super copyWithZone:zone];
cell->image = [image retain];
return cell;
}
- (void)setImage:(NSImage *)anImage
{
if (anImage != image)
{
[image release];
image = [anImage retain];
}
}
- (NSImage *)image
{
return image;
}
- (void) setImageAlignment:(NSImageAlignment)alignment;
{
imageAlignment = alignment;
}
- (NSImageAlignment) imageAlignment;
{
return imageAlignment;
}
- (void)setImageSpacing:(NSSize)aSize;
{
imageSpacing = aSize;
}
- (NSSize)imageSpacing
{
return imageSpacing;
}
- (void)editWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSText *)textObj delegate:(id)anObject event:(NSEvent *)theEvent
{
NSRect textFrame, imageFrame;
NSDivideRect (aRect, &imageFrame, &textFrame, (imageSpacing.width * 2) + [image size].width, NSMinXEdge);
[super editWithFrame: textFrame inView: controlView editor:textObj delegate:anObject event: theEvent];
}
- (void)selectWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSText *)textObj delegate:(id)anObject start:(NSInteger)selStart length:(NSInteger)selLength
{
NSRect textFrame, imageFrame;
NSDivideRect (aRect, &imageFrame, &textFrame, (imageSpacing.width * 2) + [image size].width, NSMinXEdge);
[super selectWithFrame: textFrame inView: controlView editor:textObj delegate:anObject start:selStart length:selLength];
}
- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
{
#if 1
if (image != nil)
{
NSSize imageSize;
NSRect imageFrame;
imageSize = [image size];
NSDivideRect(cellFrame, &imageFrame, &cellFrame, (imageSpacing.width * 2) + imageSize.width, NSMinXEdge);
if ([self drawsBackground])
{
[[self backgroundColor] set];
NSRectFill(imageFrame);
}
imageFrame.origin.x += imageSpacing.width;
imageFrame.size = imageSize;
switch (imageAlignment)
{
default:
case NSImageAlignTop:
if ([controlView isFlipped])
imageFrame.origin.y += imageFrame.size.height;
else
imageFrame.origin.y += (cellFrame.size.height - imageFrame.size.height);
break;
case NSImageAlignCenter:
if ([controlView isFlipped])
imageFrame.origin.y += ceil((cellFrame.size.height + imageFrame.size.height) / 2);
else
imageFrame.origin.y += ceil((cellFrame.size.height - imageFrame.size.height) / 2);
break;
case NSImageAlignBottom:
if ([controlView isFlipped])
imageFrame.origin.y += cellFrame.size.height;
// for unflipped, imageFrame is already correct
break;
}
[image compositeToPoint:imageFrame.origin operation:NSCompositeSourceOver];
}
[super drawWithFrame:cellFrame inView:controlView];
#endif
#if 0 // this snippet supports all alignment values plus potentially scaling.
if (image != nil)
{
NSSize imageSize;
NSSize srcImageSize;
NSRect imageFrame;
NSPoint position;
BOOL flipped = [controlView isFlipped];
imageSize = [image size];
srcImageSize = imageSize; // this will be more useful once/if we support scaling
NSDivideRect(cellFrame, &imageFrame, &cellFrame, 12 + imageSize.width, NSMinXEdge);
if ([self drawsBackground])
{
[[self backgroundColor] set];
NSRectFill(imageFrame);
}
switch (imageAlignment)
{
default:
case NSImageAlignLeft:
position.x = xLeftInRect(imageSize, imageFrame);
position.y = yCenterInRect(imageSize, imageFrame, flipped);
break;
case NSImageAlignRight:
position.x = xRightInRect(imageSize, imageFrame);
position.y = yCenterInRect(imageSize, imageFrame, flipped);
break;
case NSImageAlignCenter:
position.x = xCenterInRect(imageSize, imageFrame);
position.y = yCenterInRect(imageSize, imageFrame, flipped);
break;
case NSImageAlignTop:
position.x = xCenterInRect(imageSize, imageFrame);
position.y = yTopInRect(imageSize, imageFrame, flipped);
break;
case NSImageAlignBottom:
position.x = xCenterInRect(imageSize, imageFrame);
position.y = yBottomInRect(imageSize, imageFrame, flipped);
break;
case NSImageAlignTopLeft:
position.x = xLeftInRect(imageSize, imageFrame);
position.y = yTopInRect(imageSize, imageFrame, flipped);
break;
case NSImageAlignTopRight:
position.x = xRightInRect(imageSize, imageFrame);
position.y = yTopInRect(imageSize, imageFrame, flipped);
break;
case NSImageAlignBottomLeft:
position.x = xLeftInRect(imageSize, imageFrame);
position.y = yBottomInRect(imageSize, imageFrame, flipped);
break;
case NSImageAlignBottomRight:
position.x = xRightInRect(imageSize, imageFrame);
position.y = yBottomInRect(imageSize, imageFrame, flipped);
break;
}
// account for flipped views
if (flipped)
{
position.y += imageSize.height;
imageSize.height = -imageSize.height;
}
// Set image flipping to match view. Don't know if this is really the best way
// to deal with flipped views and images.
if ([image isFlipped] != flipped)
[image setFlipped: flipped];
// draw!
[image drawInRect: NSMakeRect(position.x, position.y, imageSize.width, imageSize.height)
fromRect: NSMakeRect(0, 0, srcImageSize.width,
srcImageSize.height)
operation: NSCompositeSourceOver
fraction: 1.0];
}
[super drawWithFrame:cellFrame inView:controlView];
#endif
}
- (NSSize)cellSize
{
NSSize cellSize = [super cellSize];
cellSize.width += (image ? [image size].width + (imageSpacing.width * 2) : 0);
return cellSize;
}
@end
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