macFont.h

Classes:

class
Detailed Description

 1
 2//-----------------------------------------------------------------------------
 3// Copyright (c) 2013 GarageGames, LLC
 4//
 5// Permission is hereby granted, free of charge, to any person obtaining a copy
 6// of this software and associated documentation files (the "Software"), to
 7// deal in the Software without restriction, including without limitation the
 8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 9// sell copies of the Software, and to permit persons to whom the Software is
10// furnished to do so, subject to the following conditions:
11//
12// The above copyright notice and this permission notice shall be included in
13// all copies or substantial portions of the Software.
14//
15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21// IN THE SOFTWARE.
22//-----------------------------------------------------------------------------
23
24#import "platform/platformFont.h"
25#import <CoreText/CoreText.h>
26//-----------------------------------------------------------------------------
27
28class OSXFont : public PlatformFont
29{
30private:
31   
32   // Font reference.
33   CTFontRef       mFontRef;
34   
35   // Distance from drawing point to typographic baseline.
36   // Think of the drawing point as the upper left corner of a text box.
37   // NOTE: 'baseline' is synonymous with 'ascent' in Torque.
38   U32             mBaseline;
39   
40   // Distance between lines.
41   U32             mHeight;
42   
43   // Glyph rendering color-space.
44   CGColorSpaceRef mColorSpace;
45   
46public:
47   OSXFont();
48   virtual ~OSXFont();
49   
50   /// Look up the requested font, cache style, layout, colorspace, and some metrics.
51   virtual bool create( const char* name, dsize_t size, U32 charset = TGE_ANSI_CHARSET);
52   
53   /// Determine if the character requested is a drawable character, or if it should be ignored.
54   virtual bool isValidChar( const UTF16 character) const;
55   virtual bool isValidChar( const UTF8* str) const;
56   
57   /// Get some vertical data on the font at large. Useful for drawing multiline text, and sizing text boxes.
58   virtual U32 getFontHeight() const { return mHeight; }
59   virtual U32 getFontBaseLine() const { return mBaseline; }
60   
61   // Draw the character to a temporary bitmap, and fill the CharInfo with various text metrics.
62   virtual PlatformFont::CharInfo &getCharInfo(const UTF16 character) const;
63   virtual PlatformFont::CharInfo &getCharInfo(const UTF8 *str) const;
64};
65