golden hour

/opt/alt/libicu65/usr/share/doc/alt-libicu65-devel-65.1/samples/layout

File/Folder	Size	Actions
FontMap.GDI	426 B
FontMap.Gnome	392 B
FontMap.cpp	7.34 KB
FontMap.h	1.84 KB
FontTableCache.cpp	2.37 KB
FontTableCache.h	1.06 KB
GDIFontInstance.cpp	9.6 KB
GDIFontInstance.h	3.6 KB
GDIFontMap.cpp	1.32 KB
GDIFontMap.h	1.23 KB
GDIGUISupport.cpp	862 B
GDIGUISupport.h	949 B
GUISupport.h	890 B
GnomeFontInstance.cpp	5.43 KB
GnomeFontInstance.h	3.79 KB
GnomeFontMap.cpp	1.39 KB
GnomeFontMap.h	1.21 KB
GnomeGUISupport.cpp	1.05 KB
GnomeGUISupport.h	961 B
LayoutSample.rc	3.37 KB
Makefile	2.92 KB
Makefile.in	2.92 KB
RenderingSurface.h	1.09 KB
Sample.txt	1.66 KB
ScriptCompositeFontInstance.cpp	3.2 KB
ScriptCompositeFontInstance.h	6.15 KB
Surface.cpp	892 B
Surface.h	519 B
UnicodeReader.cpp	4.1 KB
UnicodeReader.h	999 B
arraymem.h	646 B
cgnomelayout.c	8.45 KB
clayout.c	9.82 KB
cmaps.cpp	5.3 KB
cmaps.h	2.06 KB
gdiglue.cpp	1.67 KB
gdiglue.h	983 B
gnomeglue.cpp	1.64 KB
gnomeglue.h	986 B
gnomelayout.cpp	8.5 KB
gsupport.h	370 B
layout.cpp	9.8 KB
layout.sln	1.17 KB
layout.vcxproj	12.92 KB
layout.vcxproj.filters	3.06 KB
paragraph.cpp	7.58 KB
paragraph.h	2.18 KB
pflow.c	9.27 KB
pflow.h	940 B
readme.html	7.32 KB
resource.h	907 B
rsurface.cpp	712 B
rsurface.h	528 B
sfnt.h	4.9 KB
ucreader.cpp	509 B
ucreader.h	422 B

Edit: ScriptCompositeFontInstance.cpp

/*
 *******************************************************************************
 *
 *   © 2016 and later: Unicode, Inc. and others.
 *   License & terms of use: http://www.unicode.org/copyright.html#License
 *
 *******************************************************************************
 *******************************************************************************
 *
 *   Copyright (C) 1999-2003, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
 *   file name:  ScriptCompositeFontInstance.cpp
 *
 *   created on: 02/05/2003
 *   created by: Eric R. Mader
 */

#include "layout/LETypes.h"

#include "unicode/uscript.h"

#include "FontMap.h"

#include "ScriptCompositeFontInstance.h"

const char ScriptCompositeFontInstance::fgClassID=0;

ScriptCompositeFontInstance::ScriptCompositeFontInstance(FontMap *fontMap)
    : fFontMap(fontMap)
{
    // nothing else to do
}

ScriptCompositeFontInstance::~ScriptCompositeFontInstance()
{
    delete fFontMap;
    fFontMap = NULL;
}

void ScriptCompositeFontInstance::getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const
{
    LEErrorCode status = LE_NO_ERROR;
    le_int32 script = LE_GET_SUB_FONT(glyph);
    const LEFontInstance *font = fFontMap->getScriptFont(script, status);

advance.fX = 0;
    advance.fY = 0;

if (LE_SUCCESS(status)) {
        font->getGlyphAdvance(LE_GET_GLYPH(glyph), advance);
    }
}

le_bool ScriptCompositeFontInstance::getGlyphPoint(LEGlyphID glyph, le_int32 pointNumber, LEPoint &point) const
{
    LEErrorCode status = LE_NO_ERROR;
    le_int32 script = LE_GET_SUB_FONT(glyph);
    const LEFontInstance *font = fFontMap->getScriptFont(script, status);

if (LE_SUCCESS(status)) {
        return font->getGlyphPoint(LE_GET_GLYPH(glyph), pointNumber, point);
    }

return FALSE;
}

const LEFontInstance *ScriptCompositeFontInstance::getSubFont(const LEUnicode chars[], le_int32 *offset, le_int32 limit, le_int32 script, LEErrorCode &success) const
{
    if (LE_FAILURE(success)) {
        return NULL;
    }

if (chars == NULL || *offset < 0 || limit < 0 || *offset >= limit || script < 0 || script >= scriptCodeCount) {
        success = LE_ILLEGAL_ARGUMENT_ERROR;
        return NULL;
    }

const LEFontInstance *result = fFontMap->getScriptFont(script, success);

if (LE_FAILURE(success)) {
        return NULL;
    }

*offset = limit;
    return result;
}

// This is the really stupid version that doesn't look in any other font for the character...
// It would be better to also look in the "DEFAULT:" font. Another thing to do would be to
// look in all the fonts in some order, script code order being the most obvious...
LEGlyphID ScriptCompositeFontInstance::mapCharToGlyph(LEUnicode32 ch) const
{
    UErrorCode  error  = U_ZERO_ERROR;
    LEErrorCode status = LE_NO_ERROR;
    le_int32 script = uscript_getScript(ch, &error);
    const LEFontInstance *scriptFont = fFontMap->getScriptFont(script, status);
    LEGlyphID subFont = LE_SET_SUB_FONT(0, script);

if (LE_FAILURE(status)) {
        return subFont;
    }

LEGlyphID glyph = scriptFont->mapCharToGlyph(ch);

return LE_SET_GLYPH(subFont, glyph);
}