tge/engine/platformMacCarb/macCarbFont.h
2017-04-17 06:17:10 -06:00

57 lines
2.1 KiB
C++
Executable File

//-----------------------------------------------------------------------------
// Torque Game Engine
// Copyright (C) GarageGames.com, Inc.
//-----------------------------------------------------------------------------
#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;
}