Torque3D/Engine/source/platformMac/macCarbFont.h
2012-09-19 11:15:01 -04:00

74 lines
3.1 KiB
C++

//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#include <ApplicationServices/ApplicationServices.h>
#include "platform/platformFont.h"
class MacCarbFont : public PlatformFont
{
private:
// Caches style, layout and colorspace data to speed up character drawing.
// TODO: style colors
ATSUStyle mStyle;
ATSUTextLayout mLayout;
CGColorSpaceRef mColorSpace;
// Cache the baseline and height for the getter methods below.
U32 mHeight; // distance between lines
U32 mBaseline; // distance from drawing point to typographic baseline,
// think of the drawing point as the upper left corner of a text box.
// note: 'baseline' is synonymous with 'ascent' in Torque.
// Cache the size and name requested in create()
U32 mSize;
StringTableEntry mName;
public:
MacCarbFont();
virtual ~MacCarbFont();
/// Look up the requested font, cache style, layout, colorspace, and some metrics.
virtual bool create( const char* name, U32 size, U32 charset = TGE_ANSI_CHARSET);
/// Determine if the character requested is a drawable character, or if it should be ignored.
virtual bool isValidChar( const UTF16 ch) const;
virtual bool isValidChar( const UTF8 *str) const;
/// Get some vertical data on the font at large. Useful for drawing multiline text, and sizing text boxes.
virtual U32 getFontHeight() const;
virtual U32 getFontBaseLine() const;
// Draw the character to a temporary bitmap, and fill the CharInfo with various text metrics.
virtual PlatformFont::CharInfo &getCharInfo(const UTF16 ch) const;
virtual PlatformFont::CharInfo &getCharInfo(const UTF8 *str) const;
};
inline U32 MacCarbFont::getFontHeight() const
{
return mHeight;
}
inline U32 MacCarbFont::getFontBaseLine() const
{
return mBaseline;
}