mirror of https://github.com/axmolengine/axmol.git
Merge pull request #740 from minggo/iss762_label_position
fixed #762: make label display on center on iOS
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commit
30e952b093
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@ -332,17 +332,23 @@ static CGSize _caculateStringSizeWithFontOrZFont(NSString *str, id font, CGSize
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{
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NSArray *listItems = [str componentsSeparatedByString: @"\n"];
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CGSize dim = CGSizeZero;
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CGSize textRect = CGSizeZero;
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textRect.width = constrainSize->width > 0 ? constrainSize->width
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: 0x7fffffff;
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textRect.height = constrainSize->height > 0 ? constrainSize->height
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: 0x7fffffff;
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for (NSString *s in listItems)
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{
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CGSize tmp;
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if (isZfont)
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{
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tmp = [FontLabelStringDrawingHelper sizeWithZFont:str zfont:font];
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tmp = [FontLabelStringDrawingHelper sizeWithZFont:str zfont:font constrainedToSize:textRect];
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}
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else
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{
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tmp = [s sizeWithFont:font];
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tmp = [s sizeWithFont:font constrainedToSize:textRect];
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}
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if (tmp.width > dim.width)
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@ -350,28 +356,7 @@ static CGSize _caculateStringSizeWithFontOrZFont(NSString *str, id font, CGSize
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dim.width = tmp.width;
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}
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// Should break the string into more lines, so should add the height
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if (constrainSize->width > 0 && constrainSize->width < tmp.width)
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{
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int lines = ceil(tmp.width / constrainSize->width);
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dim.height += tmp.height * lines;
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}
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else
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{
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dim.height += tmp.height;
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}
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}
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// Should not exceed the height
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if (constrainSize->height > 0)
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{
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dim.height = constrainSize->height;
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}
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// Should not exceed the width;
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if (constrainSize->width > 0)
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{
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dim.width = constrainSize->width;
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dim.height += tmp.height;
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}
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return dim;
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@ -75,6 +75,7 @@
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@interface FontLabelStringDrawingHelper : NSObject {
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}
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+ (CGSize)sizeWithZFont:(NSString*)string zfont:(ZFont *)font;
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+ (CGSize)sizeWithZFont:(NSString *)string zfont:(ZFont *)font constrainedToSize:(CGSize)size;
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+ (CGSize)drawInRect:(NSString*)string rect:(CGRect)rect withZFont:(ZFont *)font
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lineBreakMode:(UILineBreakMode)lineBreakMode
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alignment:(UITextAlignment)alignment;
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@ -899,6 +899,13 @@ static CGSize drawTextInRect(CGRect rect, NSString *text, NSArray *attributes, U
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return CGSizeMake(ceilf(size.width), ceilf(size.height));
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}
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+ (CGSize)sizeWithZFont:(NSString *)string zfont:(ZFont *)font constrainedToSize:(CGSize)size {
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CGSize s = drawOrSizeTextConstrainedToSize(NO, string, attributeRunForFont(font), size, 0, UILineBreakModeWordWrap, UITextAlignmentLeft, YES);
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return CGSizeMake(ceilf(s.width), ceilf(s.height));
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}
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+ (CGSize)drawInRect:(NSString*)string rect:(CGRect)rect withZFont:(ZFont *)font lineBreakMode:(UILineBreakMode)lineBreakMode
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alignment:(UITextAlignment)alignment {
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return [string drawInRect:rect withZFont:font lineBreakMode:lineBreakMode alignment:alignment];
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