Got it working, Part of my issue seemed to be my logic.
300 is the bounds of my target image, and I have planned it so images
fit inside this, so x would end up being 300. In a stupid moment, I
set the if statement to run if x>300, which initially it wouldn't be
as it would actually equal 300. However, I didn't spot my mistake as
the NSLog inside the if statement appeared in the debugger so I
thought it was running the rest of the code inside the if statement. I
changed it to > 299 and voila it worked. I did also have to (is the
term cast?) the 299 to a float.
I'm googling Fast Enumeration, but I'm compiling for 10.5,
So I'm left with the following which works as intended:
//select all images for kit
NSArray* kitImages = [kit
valueForKeyPath:@"kitItems.kitItemProduct.productImage"];
//set coordinates to x,y -> 0,0 to start
float x = 0;
float y = 75;
//for each image
NSEnumerator *imageLoop = [kitImages objectEnumerator];
NSString *imgPath;
while ((imgPath = [imageLoop nextObject])) {
NSImage *img = [[NSImage alloc]initWithContentsOfFile:imgPath];
//apply image to view
[targetImage lockFocus];
[img drawInRect:NSMakeRect(x,y,75,75)
fromRect:NSMakeRect(20,20,150,150) operation:NSCompositeCopy fraction:
1];
//set new coordinates
x = x+75;
//if coordinates are too wide, start new row - if x>300, reset x to
0 and add 100 to y
if( x > (float)299 ){
x = x-300;
y = y+75;
NSLog(@"x is greater than 300");
}
}
.....
//cleanup
[bmpImageRep release];
[img release];
[kitLogoImg release];
[targetImage release];
Thanks for everyones help.
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