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(svn r25470) -Feature-ish: use ICU's layout engine when that's available

This commit is contained in:
rubidium 2013-06-25 20:40:58 +00:00
parent 7b10e39bf1
commit 48c1e4f87e
9 changed files with 160 additions and 27 deletions
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4
config.lib
View File

@ -1718,9 +1718,9 @@ make_cflags_and_ldflags() {
# Some icu-configs have the 'feature' of not adding a space where others do add the space
if [ "$static_icu" != "0" ]; then
LIBS="$LIBS `$icu_config --ldflags-searchpath` `$icu_config --ldflags-libsonly | tr '\n\r' ' ' | sed s/licu/lsicu/g`"
LIBS="$LIBS `$icu_config --ldflags-searchpath` `$icu_config --ldflags-libsonly --ldflags-layout | tr '\n\r' ' ' | sed s/licu/lsicu/g`"
else
LIBS="$LIBS `$icu_config --ldflags-searchpath` `$icu_config --ldflags-libsonly | tr '\n\r' ' '`"
LIBS="$LIBS `$icu_config --ldflags-searchpath` `$icu_config --ldflags-libsonly --ldflags-layout | tr '\n\r' ' '`"
fi
fi

8
projects/openttd_vs100.vcxproj
View File

@ -131,7 +131,7 @@
<Culture>0x0809</Culture>
</ResourceCompile>
<Link>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;icule.lib;iculx.lib;%(AdditionalDependencies)</AdditionalDependencies>
<SuppressStartupBanner>true</SuppressStartupBanner>
<IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
<GenerateDebugInformation>true</GenerateDebugInformation>
@ -176,7 +176,7 @@
<Culture>0x0809</Culture>
</ResourceCompile>
<Link>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;icule.lib;iculx.lib;%(AdditionalDependencies)</AdditionalDependencies>
<SuppressStartupBanner>true</SuppressStartupBanner>
<IgnoreSpecificDefaultLibraries>LIBCMT.lib;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
<GenerateDebugInformation>true</GenerateDebugInformation>
@ -233,7 +233,7 @@
<Culture>0x0809</Culture>
</ResourceCompile>
<Link>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;icule.lib;iculx.lib;%(AdditionalDependencies)</AdditionalDependencies>
<SuppressStartupBanner>true</SuppressStartupBanner>
<IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
<GenerateDebugInformation>true</GenerateDebugInformation>
@ -280,7 +280,7 @@
<Culture>0x0809</Culture>
</ResourceCompile>
<Link>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;icule.lib;iculx.lib;%(AdditionalDependencies)</AdditionalDependencies>
<SuppressStartupBanner>true</SuppressStartupBanner>
<IgnoreSpecificDefaultLibraries>LIBCMT.lib;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
<GenerateDebugInformation>true</GenerateDebugInformation>

8
projects/openttd_vs100.vcxproj.in
View File

@ -131,7 +131,7 @@
<Culture>0x0809</Culture>
</ResourceCompile>
<Link>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;icule.lib;iculx.lib;%(AdditionalDependencies)</AdditionalDependencies>
<SuppressStartupBanner>true</SuppressStartupBanner>
<IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
<GenerateDebugInformation>true</GenerateDebugInformation>
@ -176,7 +176,7 @@
<Culture>0x0809</Culture>
</ResourceCompile>
<Link>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;icule.lib;iculx.lib;%(AdditionalDependencies)</AdditionalDependencies>
<SuppressStartupBanner>true</SuppressStartupBanner>
<IgnoreSpecificDefaultLibraries>LIBCMT.lib;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
<GenerateDebugInformation>true</GenerateDebugInformation>
@ -233,7 +233,7 @@
<Culture>0x0809</Culture>
</ResourceCompile>
<Link>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;icule.lib;iculx.lib;%(AdditionalDependencies)</AdditionalDependencies>
<SuppressStartupBanner>true</SuppressStartupBanner>
<IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
<GenerateDebugInformation>true</GenerateDebugInformation>
@ -280,7 +280,7 @@
<Culture>0x0809</Culture>
</ResourceCompile>
<Link>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalDependencies>winmm.lib;ws2_32.lib;libpng.lib;zlibstat.lib;lzo2.lib;liblzma.lib;libfreetype2.lib;icuuc.lib;icuin.lib;icudt.lib;icule.lib;iculx.lib;%(AdditionalDependencies)</AdditionalDependencies>
<SuppressStartupBanner>true</SuppressStartupBanner>
<IgnoreSpecificDefaultLibraries>LIBCMT.lib;%(IgnoreSpecificDefaultLibraries)</IgnoreSpecificDefaultLibraries>
<GenerateDebugInformation>true</GenerateDebugInformation>

8
projects/openttd_vs80.vcproj
View File

@ -87,7 +87,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="1"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames=""
@ -184,7 +184,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="0"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames="LIBCMT.lib"
@ -292,7 +292,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="1"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames=""
@ -392,7 +392,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="0"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames="LIBCMT.lib"

8
projects/openttd_vs80.vcproj.in
View File

@ -87,7 +87,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="1"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames=""
@ -184,7 +184,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="0"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames="LIBCMT.lib"
@ -292,7 +292,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="1"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames=""
@ -392,7 +392,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="0"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames="LIBCMT.lib"

8
projects/openttd_vs90.vcproj
View File

@ -88,7 +88,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="1"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames=""
@ -183,7 +183,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="0"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames="LIBCMT.lib"
@ -290,7 +290,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="1"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames=""
@ -389,7 +389,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="0"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames="LIBCMT.lib"

8
projects/openttd_vs90.vcproj.in
View File

@ -88,7 +88,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="1"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames=""
@ -183,7 +183,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="0"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames="LIBCMT.lib"
@ -290,7 +290,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="1"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames=""
@ -389,7 +389,7 @@
/>
<Tool
Name="VCLinkerTool"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib"
AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib lzo2.lib liblzma.lib libfreetype2.lib icuuc.lib icuin.lib icudt.lib icule.lib iculx.lib"
LinkIncremental="0"
SuppressStartupBanner="true"
IgnoreDefaultLibraryNames="LIBCMT.lib"

103
src/gfx_layout.cpp
View File

@ -12,9 +12,14 @@
#include "stdafx.h"
#include "gfx_layout.h"
#include "string_func.h"
#include "strings_func.h"
#include "table/control_codes.h"
#ifdef WITH_ICU
#include <unicode/ustring.h>
#endif /* WITH_ICU */
/**
* Construct a new font.
* @param size The font size to use for this font.
@ -26,6 +31,103 @@ Font::Font(FontSize size, TextColour colour) :
assert(size < FS_END);
}
#ifdef WITH_ICU
/* Implementation details of LEFontInstance */
le_int32 Font::getUnitsPerEM() const
{
return this->fc->GetUnitsPerEM();
}
le_int32 Font::getAscent() const
{
return this->fc->GetAscender();
}
le_int32 Font::getDescent() const
{
return -this->fc->GetDescender();
}
le_int32 Font::getLeading() const
{
return this->fc->GetHeight();
}
float Font::getXPixelsPerEm() const
{
return (float)this->fc->GetHeight();
}
float Font::getYPixelsPerEm() const
{
return (float)this->fc->GetHeight();
}
float Font::getScaleFactorX() const
{
return 1.0f;
}
float Font::getScaleFactorY() const
{
return 1.0f;
}
const void *Font::getFontTable(LETag tableTag) const
{
return this->fc->GetFontTable(tableTag);
}
LEGlyphID Font::mapCharToGlyph(LEUnicode32 ch) const
{
if (IsTextDirectionChar(ch)) return 0;
return this->fc->MapCharToGlyph(ch);
}
void Font::getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const
{
advance.fX = glyph == 0xFFFF ? 0 : this->fc->GetGlyphWidth(glyph);
advance.fY = 0;
}
le_bool Font::getGlyphPoint(LEGlyphID glyph, le_int32 pointNumber, LEPoint &point) const
{
return FALSE;
}
size_t Layouter::AppendToBuffer(UChar *buff, const UChar *buffer_last, WChar c)
{
/* Transform from UTF-32 to internal ICU format of UTF-16. */
int32 length = 0;
UErrorCode err = U_ZERO_ERROR;
u_strFromUTF32(buff, buffer_last - buff, &length, (UChar32*)&c, 1, &err);
return length;
}
ParagraphLayout *Layouter::GetParagraphLayout(UChar *buff)
{
int32 length = buff - this->buffer;
if (length == 0) {
/* ICU's ParagraphLayout cannot handle empty strings, so fake one. */
this->buffer[0] = ' ';
length = 1;
this->fonts.End()[-1].first++;
}
/* Fill ICU's FontRuns with the right data. */
FontRuns runs(this->fonts.Length());
for (FontMap::iterator iter = this->fonts.Begin(); iter != this->fonts.End(); iter++) {
runs.add(iter->second, iter->first);
}
LEErrorCode status = LE_NO_ERROR;
return new ParagraphLayout(this->buffer, length, &runs, NULL, NULL, NULL, _current_text_dir == TD_RTL ? UBIDI_DEFAULT_RTL : UBIDI_DEFAULT_LTR, false, status);
}
#else /* WITH_ICU */
/*** Paragraph layout ***/
/**
@ -276,6 +378,7 @@ ParagraphLayout *Layouter::GetParagraphLayout(WChar *buff_end)
{
return new ParagraphLayout(this->buffer, buff_end - this->buffer, this->fonts);
}
#endif /* !WITH_ICU */
/**
* Create a new layouter.

32
src/gfx_layout.h
View File

@ -16,20 +16,45 @@
#include "gfx_func.h"
#include "core/smallmap_type.hpp"
#ifdef WITH_ICU
#include "layout/ParagraphLayout.h"
#define ICU_FONTINSTANCE : public LEFontInstance
#else /* WITH_ICU */
#define ICU_FONTINSTANCE
#endif /* WITH_ICU */
/**
* Container with information about a font.
*/
class Font {
class Font ICU_FONTINSTANCE {
public:
FontCache *fc; ///< The font we are using.
TextColour colour; ///< The colour this font has to be.
Font(FontSize size, TextColour colour);
#ifdef WITH_ICU
/* Implementation details of LEFontInstance */
le_int32 getUnitsPerEM() const;
le_int32 getAscent() const;
le_int32 getDescent() const;
le_int32 getLeading() const;
float getXPixelsPerEm() const;
float getYPixelsPerEm() const;
float getScaleFactorX() const;
float getScaleFactorY() const;
const void *getFontTable(LETag tableTag) const;
LEGlyphID mapCharToGlyph(LEUnicode32 ch) const;
void getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const;
le_bool getGlyphPoint(LEGlyphID glyph, le_int32 pointNumber, LEPoint &point) const;
#endif /* WITH_ICU */
};
/** Mapping from index to font. */
typedef SmallMap<int, Font *> FontMap;
#ifndef WITH_ICU
/**
* Class handling the splitting of a paragraph of text into lines and
* visual runs.
@ -85,6 +110,7 @@ public:
ParagraphLayout(WChar *buffer, int length, FontMap &runs);
Line *nextLine(int max_width);
};
#endif /* !WITH_ICU */
/**
* The layouter performs all the layout work.
@ -92,7 +118,11 @@ public:
* It also accounts for the memory allocations and frees.
*/
class Layouter : public AutoDeleteSmallVector<ParagraphLayout::Line *, 4> {
#ifdef WITH_ICU
typedef UChar CharType; ///< The type of character used within the layouter.
#else /* WITH_ICU */
typedef WChar CharType; ///< The type of character used within the layouter.
#endif /* WITH_ICU */
size_t AppendToBuffer(CharType *buff, const CharType *buffer_last, WChar c);
ParagraphLayout *GetParagraphLayout(CharType *buff);