@import #include "../CoreGraphics/CGGeometry.h" #include "Platform.h" #if PLATFORM(DOM) var DOMIFrameElement = nil, DOMSpanElement = nil, DefaultFont = nil; #endif @implementation CPPlatformString : CPObject { } + (void)bootstrap { #if PLATFORM(DOM) DOMIFrameElement = document.createElement("iframe"); DOMIFrameElement.name = name = "iframe_" + FLOOR(RAND() * 10000); DOMIFrameElement.style.position = "absolute"; DOMIFrameElement.style.left = "-100px"; DOMIFrameElement.style.top = "-100px"; DOMIFrameElement.style.width = "1px"; DOMIFrameElement.style.height = "1px"; DOMIFrameElement.style.borderWidth = "0px"; DOMIFrameElement.style.background = "blue"; DOMIFrameElement.style.overflow = "hidden"; DOMIFrameElement.style.zIndex = 100000000000; document.getElementsByTagName("body")[0].appendChild(DOMIFrameElement); var DOMIFrameDocument = (DOMIFrameElement.contentDocument || DOMIFrameElement.contentWindow.document); DOMIFrameDocument.write(""); DOMIFrameDocument.close(); DOMSpanElement = DOMIFrameDocument.createElement("span"); DOMSpanElement.style.position = "absolute"; DOMSpanElement.style.whiteSpace = "pre"; DOMSpanElement.style.visibility = "visible"; DOMSpanElement.style.padding = "0px"; DOMSpanElement.style.margin = "0px"; DOMSpanElement.style.background = "red"; DOMIFrameDocument.getElementsByTagName("body")[0].appendChild(DOMSpanElement); #endif } + (CGSize)sizeOfString:(CPString)aString withFont:(CPFont)aFont forWidth:(float)aWidth { #if PLATFORM(DOM) if (!aFont) { if (!DefaultFont) DefaultFont = [CPFont systemFontOfSize:12.0]; aFont = DefaultFont; } var style = DOMSpanElement.style; if (aWidth === NULL) { style.width = ""; style.whiteSpace = "pre"; } else { style.width = ROUND(aWidth) + "px"; if (document.attachEvent) style.wordWrap = "break-word"; else { style.whiteSpace = "-o-pre-wrap"; style.whiteSpace = "-pre-wrap"; style.whiteSpace = "-moz-pre-wrap"; style.whiteSpace = "pre-wrap"; } } style.font = [aFont cssString]; if (CPFeatureIsCompatible(CPJavascriptInnerTextFeature)) DOMSpanElement.innerText = aString; else if (CPFeatureIsCompatible(CPJavascriptTextContentFeature)) DOMSpanElement.textContent = aString; return _CGSizeMake(DOMSpanElement.clientWidth, DOMSpanElement.clientHeight); #else return _CGSizeMakeZero(); #endif } @end