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/*
* Copyright (C) 2007 Kevin Ollivier <kevino@theolliviers.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "FontPlatformData.h"
#include "FontDescription.h"
#include "PlatformString.h"
#include <wx/defs.h>
#include <wx/gdicmn.h>
#include <wx/font.h>
namespace WebCore {
static wxFontFamily fontFamilyToWxFontFamily(const int family)
{
switch (family) {
case FontDescription::StandardFamily:
return wxFONTFAMILY_DEFAULT;
case FontDescription::SerifFamily:
return wxFONTFAMILY_ROMAN;
case FontDescription::SansSerifFamily:
return wxFONTFAMILY_MODERN;
case FontDescription::MonospaceFamily:
return wxFONTFAMILY_TELETYPE; // TODO: Check these are equivalent
case FontDescription::CursiveFamily:
return wxFONTFAMILY_SCRIPT;
case FontDescription::FantasyFamily:
return wxFONTFAMILY_DECORATIVE;
default:
return wxFONTFAMILY_DEFAULT;
}
}
static wxFontWeight fontWeightToWxFontWeight(FontWeight weight)
{
if (weight >= FontWeight600)
return wxFONTWEIGHT_BOLD;
if (weight <= FontWeight300)
return wxFONTWEIGHT_LIGHT;
return wxFONTWEIGHT_NORMAL;
}
static int italicToWxFontStyle(bool isItalic)
{
if (isItalic)
return wxFONTSTYLE_ITALIC;
return wxFONTSTYLE_NORMAL;
}
FontPlatformData::FontPlatformData(const FontDescription& desc, const AtomicString& family)
{
// NB: The Windows wxFont constructor has two forms, one taking a wxSize (with pixels)
// and one taking an int (points). When points are used, Windows calculates
// a pixel size using an algorithm which causes the size to be way off. However,
// this is a moot issue on Linux and Mac as they only accept the point argument. So,
// we use the pixel size constructor on Windows, but we use point size on Linux and Mac.
#if __WXMSW__
m_font = adoptRef(new FontHolder(new wxFont( wxSize(0, -desc.computedPixelSize()),
fontFamilyToWxFontFamily(desc.genericFamily()),
italicToWxFontStyle(desc.italic()),
fontWeightToWxFontWeight(desc.weight()),
false,
family.string()
)
));
#else
m_font = adoptRef(new FontHolder(new wxFont( desc.computedPixelSize(),
fontFamilyToWxFontFamily(desc.genericFamily()),
italicToWxFontStyle(desc.italic()),
fontWeightToWxFontWeight(desc.weight()),
false,
family.string()
)
));
#endif
#if OS(DARWIN)
#if !wxOSX_USE_CORE_TEXT
#if wxCHECK_VERSION(2,9,0)
m_atsuFontID = m_font->font()->OSXGetATSUFontID();
#else
m_atsuFontID = m_font->font()->MacGetATSUFontID();
#endif
#endif
m_nsFont = 0;
cacheNSFont();
#endif
m_size = desc.computedPixelSize();
m_fontState = VALID;
m_size = desc.computedPixelSize();
}
unsigned FontPlatformData::computeHash() const
{
wxFont* thisFont = m_font->font();
ASSERT(thisFont && thisFont->IsOk());
// make a hash that is unique for this font, but not globally unique - that is,
// a font whose properties are equal should generate the same hash
uintptr_t hashCodes[6] = {
thisFont->GetPointSize(),
thisFont->GetFamily(),
thisFont->GetStyle(),
thisFont->GetWeight(),
thisFont->GetUnderlined(),
StringHasher::computeHash(thisFont->GetFaceName().utf8_str().data())
};
return StringHasher::hashMemory<sizeof(hashCodes)>(hashCodes);
}
FontPlatformData::~FontPlatformData()
{
m_fontState = UNINITIALIZED;
m_font = 0;
}
#ifndef NDEBUG
String FontPlatformData::description() const
{
return String();
}
#endif
#if OS(WINDOWS)
bool FontPlatformData::useGDI() const
{
return true;
}
HFONT FontPlatformData::hfont() const
{
return static_cast<HFONT>(m_font->font()->GetHFONT());
}
#endif
#if OS(DARWIN)
CGFontRef FontPlatformData::cgFont() const
{
CGFontRef cgFont = 0;
#ifdef wxOSX_USE_CORE_TEXT && wxOSX_USE_CORE_TEXT
cgFont = CTFontCopyGraphicsFont((CTFontRef)m_font->font()->OSXGetCTFont(), 0);
#else
ATSFontRef fontRef;
fontRef = FMGetATSFontRefFromFont(m_atsuFontID);
if (fontRef)
cgFont = CGFontCreateWithPlatformFont((void*)&fontRef);
#endif
return cgFont;
}
#endif
}
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