/*繪制圖片????NSString* imagePath = [[NSBundle mainBundle] pathForResource:@"dog" ofType:@"png"];????UIImage* myImageObj = [[UIImage alloc] initWithContentsOfFile:imagePath];????//[myImageObj drawAtPoint:CGPointMake(0, 0)];????[myImageObj drawInRect:CGRectMake(0, 0, 320, 480)];????NSString *s = @"我的小狗";????[s drawAtPoint:CGPointMake(100, 0) withFont:[UIFont systemFontOfSize:34.0]];*/???????/*????NSString *path = [[NSBundle mainBundle] pathForResource:@"dog" ofType:@"png"];????UIImage *img = [UIImage imageWithContentsOfFile:path];????CGImageRef image = img.CGImage;????CGContextSaveGState(context);????CGRect touchRect = CGRectMake(0, 0, img.size.width, img.size.height);????CGContextDrawImage(context, touchRect, image);????CGContextRestoreGState(context);???*/????????????/*NSString *path = [[NSBundle mainBundle] pathForResource:@"dog" ofType:@"png"];????UIImage *img = [UIImage imageWithContentsOfFile:path];????CGImageRef image = img.CGImage;????CGContextSaveGState(context);????CGContextRotateCTM(context, M_PI);????CGContextTranslateCTM(context, -img.size.width, -img.size.height);????CGRect touchRect = CGRectMake(0, 0, img.size.width, img.size.height);????CGContextDrawImage(context, touchRect, image);????CGContextRestoreGState(context);*//*????NSString *path = [[NSBundle mainBundle] pathForResource:@"dog" ofType:@"png"];????UIImage *img = [UIImage imageWithContentsOfFile:path];????CGImageRef image = img.CGImage;?????????CGContextSaveGState(context);????CGAffineTransform myAffine = CGAffineTransformMakeRotation(M_PI);????myAffine = CGAffineTransformTranslate(myAffine, -img.size.width, -img.size.height);????CGContextConcatCTM(context, myAffine);????CGContextRotateCTM(context, M_PI);????CGContextTranslateCTM(context, -img.size.width, -img.size.height);????CGRect touchRect = CGRectMake(0, 0, img.size.width, img.size.height);????CGContextDrawImage(context, touchRect, image);????CGContextRestoreGState(context);*/

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