2014/10/15 下午 10:05:02

iphone Programming Glossary: cgcontextshowtextatpoint

Is it possible to alter the letter-spacing/kerning of a font with Cocoa Touch?

http://stackoverflow.com/questions/1063268/is-it-possible-to-alter-the-letter-spacing-kerning-of-a-font-with-cocoa-touch

p CGContextGetTextPosition context float centeredY self.font.pointSize self.frame.size.height self.font.pointSize 2 2 CGContextShowTextAtPoint context 0 centeredY self.text cStringUsingEncoding NSASCIIStringEncoding self.text length CGPoint v CGContextGetTextPosition.. UITextAlignmentRight destX self.frame.size.width width CGContextSetFillColorWithColor context self.textColor CGColor CGContextShowTextAtPoint context destX centeredY self.text cStringUsingEncoding NSASCIIStringEncoding self.text length share improve this answer..

How do I make UILabel display outlined text?

http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text

void ShowStringCentered CGContextRef gc float x float y const char str CGContextSetTextDrawingMode gc kCGTextInvisible CGContextShowTextAtPoint gc 0 0 str strlen str CGPoint pt CGContextGetTextPosition gc CGContextSetTextDrawingMode gc kCGTextFillStroke CGContextShowTextAtPoint.. gc 0 0 str strlen str CGPoint pt CGContextGetTextPosition gc CGContextSetTextDrawingMode gc kCGTextFillStroke CGContextShowTextAtPoint gc x pt.x 2 y str strlen str void drawRect CGRect rect CGContextRef theContext UIGraphicsGetCurrentContext CGRect viewBounds..

Iphone CGContextShowTextAtPoint for Japanese characters

http://stackoverflow.com/questions/1237565/iphone-cgcontextshowtextatpoint-for-japanese-characters

CGContextShowTextAtPoint for Japanese characters I am working on an app where I am using CGContextShowTextAtPoint to display text to the screen... CGContextShowTextAtPoint for Japanese characters I am working on an app where I am using CGContextShowTextAtPoint to display text to the screen. I want to also display Japanese characters but CGContextShowTextAtPoint takes as its input.. I am using CGContextShowTextAtPoint to display text to the screen. I want to also display Japanese characters but CGContextShowTextAtPoint takes as its input a C string. So either A How do I change Japanese characters into a C string If this is not possible B..

How to change an UILabel/UIFont's letter spacing?

http://stackoverflow.com/questions/2544905/how-to-change-an-uilabel-uifonts-letter-spacing

1.0 0.0 0.0 1.0 0.0 0.0 CGContextSetTextMatrix context xform char result malloc 17 sprintf result d totalNumber CGContextShowTextAtPoint context 0 54 result strlen result But I need to align this to the right. I could do that manually if I knew the width of.. p CGContextGetTextPosition context float centeredY self.font.pointSize self.frame.size.height self.font.pointSize 2 2 CGContextShowTextAtPoint context 0 centeredY self.text cStringUsingEncoding NSASCIIStringEncoding self.text length CGPoint v CGContextGetTextPosition.. v.x p.x float centeredX self.frame.size.width width 2 CGContextSetFillColorWithColor context self.textColor CGColor CGContextShowTextAtPoint context centeredX centeredY self.text cStringUsingEncoding NSASCIIStringEncoding self.text length share improve this answer..

Unicode Character Not Showing

http://stackoverflow.com/questions/275437/unicode-character-not-showing

I want to display the infinity symbol using CGContextSelectFont context HelveticaNeue textSize kCGEncodingMacRoman CGContextShowTextAtPoint context myCenter.x myCenter.y textHeight sName cStringUsingEncoding NSMacOSRomanStringEncoding sName length It is displayed..

drawing text using CGContextShowTextAtPoint but text shown is inverted,

http://stackoverflow.com/questions/2816659/drawing-text-using-cgcontextshowtextatpoint-but-text-shown-is-inverted

text using CGContextShowTextAtPoint but text shown is inverted void drawRect CGRect rect CGContextRef context UIGraphicsGetCurrentContext CGContextSelectFont.. CGRect rect CGContextRef context UIGraphicsGetCurrentContext CGContextSelectFont context Arial 24 kCGEncodingMacRoman CGContextShowTextAtPoint context 80 80 I am Rahul 7 I am trying to draw text as shown above I am Rahul but when i execute the code text gets shown..

Curve text on existing circle

http://stackoverflow.com/questions/3841642/curve-text-on-existing-circle

context CGContextTranslateCTM context x y CGContextRotateCTM context degreesToRadians totalRotation 90 CGContextShowTextAtPoint context 0 textSize.width 2 0 textSize.height 2 menuItemTextChar strlen menuItemTextChar CGContextRestoreGState context totalRotation.. 2 M_PI CGContextSaveGState context CGContextTranslateCTM context x y CGContextRotateCTM context angle 0.5 M_PI CGContextShowTextAtPoint context 0 0 c strlen c CGContextRestoreGState context angle letterAngle UIImage createMenuRingWithFrame CGRect frame CGPoint..

iOS SDK - Programmatically generate a PDF file

http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file

pdfContext kCGTextFill CGContextSetRGBFillColor pdfContext 0 0 0 1 const char text Hello World CGContextShowTextAtPoint pdfContext 260 390 text strlen text End text We are done drawing to this page let's end it We could add as many pages as..

Retina display core graphics font quality

http://stackoverflow.com/questions/5414631/retina-display-core-graphics-font-quality

display core graphics font quality Trying to understand why am I getting low quality drawing with CGContextShowTextAtPoint See attached image The letter W is drawn using CGContextShowTextAtPoint on a CALayer and looks very pixelized. The button.. why am I getting low quality drawing with CGContextShowTextAtPoint See attached image The letter W is drawn using CGContextShowTextAtPoint on a CALayer and looks very pixelized. The button next to it is a standard button and looks high res as expected. I would..

Convert html file to PDF Document in iOS using Cocoa-Touch

http://stackoverflow.com/questions/6316192/convert-html-file-to-pdf-document-in-ios-using-cocoa-touch

Creating a custom text-drawing view

http://stackoverflow.com/questions/844829/creating-a-custom-text-drawing-view

each line is displayed with the proper syntax highlighting highlighting is done earlier with RegEx text is drawn with CGContextShowTextAtPoint one line at a time . Everything works ok I store each line of text as an NSString in an NSMutableArray I handle the keyboard..