SimpleFontDataWx.cpp [plain text]
#include "config.h"
#include "SimpleFontData.h"
#include "FontCache.h"
#include "FloatRect.h"
#include "FontDescription.h"
#include <wtf/MathExtras.h>
#include <unicode/uchar.h>
#include <unicode/unorm.h>
#include <wx/defs.h>
#include <wx/dcscreen.h>
#include "fontprops.h"
namespace WebCore
{
void SimpleFontData::platformInit()
{
wxFont *font = m_platformData.font();
if (font && font->IsOk()) {
wxFontProperties props = wxFontProperties(font);
m_ascent = props.GetAscent();
m_descent = props.GetDescent();
m_lineSpacing = props.GetLineSpacing();
m_xHeight = props.GetXHeight();
m_unitsPerEm = 1; m_lineGap = props.GetLineGap();
}
}
void SimpleFontData::platformCharWidthInit()
{
m_avgCharWidth = 0.f;
m_maxCharWidth = 0.f;
initCharWidths();
}
void SimpleFontData::platformDestroy()
{
delete m_smallCapsFontData;
m_smallCapsFontData = 0;
}
SimpleFontData* SimpleFontData::smallCapsFontData(const FontDescription& fontDescription) const
{
if (!m_smallCapsFontData){
FontDescription desc = FontDescription(fontDescription);
desc.setSpecifiedSize(0.70f*fontDescription.computedSize());
const FontPlatformData* pdata = new FontPlatformData(desc, desc.family().family());
m_smallCapsFontData = new SimpleFontData(*pdata);
}
return m_smallCapsFontData;
}
bool SimpleFontData::containsCharacters(const UChar* characters, int length) const
{
return true;
}
void SimpleFontData::determinePitch()
{
if (m_platformData.font() && m_platformData.font()->Ok())
m_treatAsFixedPitch = m_platformData.font()->IsFixedWidth();
else
m_treatAsFixedPitch = false;
}
float SimpleFontData::platformWidthForGlyph(Glyph glyph) const
{
int width = 10;
GetTextExtent(*m_platformData.font(), (wxChar)glyph, &width, NULL);
return width;
}
}