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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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<h2>/GLString.h</h2>
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<pre class="sourcecodebox">//
// File: GLString.h
// (Originally StringTexture.h)
//
// Abstract: Uses Quartz to draw a string into an OpenGL texture
//
// Version: 1.1 - Minor enhancements and bug fixes.
// 1.0 - Original release.
//
//
// Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Inc. ("Apple")
// in consideration of your agreement to the following terms, and your use,
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// constitutes acceptance of these terms. If you do not agree with these
// terms, please do not use, install, modify or redistribute this Apple
// software.
//
// In consideration of your agreement to abide by the following terms, and
// subject to these terms, Apple grants you a personal, non - exclusive
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// prior written permission from Apple. Except as expressly stated in this
// notice, no other rights or licenses, express or implied, are granted by
// Apple herein, including but not limited to any patent rights that may be
// infringed by your derivative works or by other works in which the Apple
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// ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
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//
#import <Cocoa/Cocoa.h>
#import <OpenGL/gl.h>
#import <OpenGL/glext.h>
#import <OpenGL/OpenGL.h>
#import <OpenGL/CGLContext.h>
@interface NSBezierPath (RoundRect)
+ (NSBezierPath *)bezierPathWithRoundedRect:(NSRect)rect cornerRadius:(float)radius;
- (void)appendBezierPathWithRoundedRect:(NSRect)rect cornerRadius:(float)radius;
@end
@interface GLString : NSObject {
CGLContextObj cgl_ctx; // current context at time of texture creation
GLuint texName;
NSSize texSize;
NSAttributedString * string;
NSColor * textColor; // default is opaque white
NSColor * boxColor; // default transparent or none
NSColor * borderColor; // default transparent or none
BOOL staticFrame; // default in NO
BOOL antialias; // default to YES
NSSize marginSize; // offset or frame size, default is 4 width 2 height
NSSize frameSize; // offset or frame size, default is 4 width 2 height
float cRadius; // Corner radius, if 0 just a rectangle. Defaults to 4.0f
BOOL requiresUpdate;
}
// this API requires a current rendering context and all operations will be performed in regards to thar context
// the same context should be current for all method calls for a particular object instance
// designated initializer
- (id) initWithAttributedString:(NSAttributedString *)attributedString withTextColor:(NSColor *)color withBoxColor:(NSColor *)color withBorderColor:(NSColor *)color;
- (id) initWithString:(NSString *)aString withAttributes:(NSDictionary *)attribs withTextColor:(NSColor *)color withBoxColor:(NSColor *)color withBorderColor:(NSColor *)color;
// basic methods that pick up defaults
- (id) initWithString:(NSString *)aString withAttributes:(NSDictionary *)attribs;
- (id) initWithAttributedString:(NSAttributedString *)attributedString;
- (void) dealloc;
- (GLuint) texName; // 0 if no texture allocated
- (NSSize) texSize; // actually size of texture generated in texels, (0, 0) if no texture allocated
- (NSColor *) textColor; // get the pre-multiplied default text color (includes alpha) string attributes could override this
- (NSColor *) boxColor; // get the pre-multiplied box color (includes alpha) alpha of 0.0 means no background box
- (NSColor *) borderColor; // get the pre-multiplied border color (includes alpha) alpha of 0.0 means no border
- (BOOL) staticFrame; // returns whether or not a static frame will be used
- (NSSize) frameSize; // returns either dynamc frame (text size + margins) or static frame size (switch with staticFrame)
- (NSSize) marginSize; // current margins for text offset and pads for dynamic frame
- (void) genTexture; // generates the texture without drawing texture to current context
- (void) drawWithBounds:(NSRect)bounds; // will update the texture if required due to change in settings (note context should be setup to be orthographic scaled to per pixel scale)
- (void) drawAtPoint:(NSPoint)point;
// these will force the texture to be regenerated at the next draw
- (void) setMargins:(NSSize)size; // set offset size and size to fit with offset
- (void) useStaticFrame:(NSSize)size; // set static frame size and size to frame
- (void) useDynamicFrame; // set static frame size and size to frame
- (void) setString:(NSAttributedString *)attributedString; // set string after initial creation
- (void) setString:(NSString *)aString withAttributes:(NSDictionary *)attribs; // set string after initial creation
- (void) setTextColor:(NSColor *)color; // set default text color
- (void) setBoxColor:(NSColor *)color; // set default text color
- (void) setBorderColor:(NSColor *)color; // set default text color
- (BOOL) antialias;
- (void) setAntialias:(bool)request;
@end
</pre>
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