string_uniscribe.cpp File Reference

Functions related to laying out text on Win32. More...

#include "../../stdafx.h"
#include "../../debug.h"
#include "string_uniscribe.h"
#include "../../gfx_func.h"
#include "../../gfx_layout_fallback.h"
#include "../../language.h"
#include "../../strings_func.h"
#include "../../string_func.h"
#include "../../core/utf8.hpp"
#include "../../table/control_codes.h"
#include "../../zoom_func.h"
#include "win32.h"
#include <windows.h>
#include <usp10.h>
#include "../../safeguards.h"

Go to the source code of this file.

Data Structures
struct	UniscribeRun
	Contains all information about a run of characters. More...
class	UniscribeParagraphLayout
	Wrapper for doing layouts with Uniscribe. More...
class	UniscribeParagraphLayout::UniscribeVisualRun
	Visual run contains data about the bit of text with the same font. More...
class	UniscribeParagraphLayout::UniscribeLine
	A single line worth of VisualRuns. More...

Functions
static std::vector< SCRIPT_ITEM >	UniscribeItemizeString (UniscribeParagraphLayoutFactory::CharType *buff, int32_t length)
	Break a string into language formatting ranges.
static bool	UniscribeShapeRun (const UniscribeParagraphLayoutFactory::CharType *buff, UniscribeRun &range)
	Generate and place glyphs for a run of characters.
void	UniscribeResetScriptCache (FontSize)
static HFONT	HFontFromFont (const Font &font)
	Load the matching native Windows font.

Variables
static std::map< FontIndex, SCRIPT_CACHE >	_script_cache
	Uniscribe cache for internal font information, cleared when OTTD changes fonts.

Detailed Description

Functions related to laying out text on Win32.

Definition in file string_uniscribe.cpp.

Function Documentation

HFontFromFont()

static HFONT HFontFromFont ( const Font &  font )

static

Load the matching native Windows font.

Definition at line 146 of file string_uniscribe.cpp.

References convert_to_fs(), FontCache::GetFontName(), FontCache::GetHeight(), and FontCache::GetOSHandle().

Referenced by UniscribeShapeRun().

UniscribeItemizeString()

static std::vector< SCRIPT_ITEM > UniscribeItemizeString ( UniscribeParagraphLayoutFactory::CharType *  buff, int32_t  length  )

static

Break a string into language formatting ranges.

Definition at line 287 of file string_uniscribe.cpp.

References _current_language, _current_text_dir, TD_RTL, and LanguagePackHeader::winlangid.

Referenced by UniscribeParagraphLayoutFactory::GetParagraphLayout(), and UniscribeStringIterator::SetString().

UniscribeResetScriptCache()

void UniscribeResetScriptCache

(

FontSize

size

)

Definition at line 137 of file string_uniscribe.cpp.

UniscribeShapeRun()

static bool UniscribeShapeRun ( const UniscribeParagraphLayoutFactory::CharType *  buff, UniscribeRun &  range  )

static

Generate and place glyphs for a run of characters.

Determine the glyph positions for a run.

Definition at line 198 of file string_uniscribe.cpp.

References _script_cache, UniscribeRun::FallbackShape(), FontCache::GetGlyphWidth(), HFontFromFont(), and FontCache::IsBuiltInFont().

Referenced by UniscribeParagraphLayoutFactory::GetParagraphLayout().

Variable Documentation

_script_cache

std::map<FontIndex, SCRIPT_CACHE> _script_cache

static

Uniscribe cache for internal font information, cleared when OTTD changes fonts.

Definition at line 34 of file string_uniscribe.cpp.

Referenced by UniscribeShapeRun().