FontCustomPlatformData.cpp [plain text]
#include "config.h"
#include "FontCustomPlatformData.h"
#include "SharedBuffer.h"
#include "FontPlatformData.h"
namespace WebCore {
FontCustomPlatformData::~FontCustomPlatformData()
{
cairo_font_face_destroy(m_fontFace);
}
FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, bool italic, FontRenderingMode)
{
return FontPlatformData(m_fontFace, size, bold, italic);
}
static void releaseData(void* data)
{
static_cast<SharedBuffer*>(data)->deref();
}
FontCustomPlatformData* createFontCustomPlatformData(SharedBuffer* buffer)
{
ASSERT_ARG(buffer, buffer);
int error;
static FT_Library library = 0;
if (!library) {
error = FT_Init_FreeType(&library);
if (error) {
library = 0;
return 0;
}
}
FT_Face face;
error = FT_New_Memory_Face(library, reinterpret_cast<const FT_Byte*>(buffer->data()), buffer->size(), 0, &face);
if (error)
return 0;
buffer->ref();
cairo_font_face_t* fontFace = cairo_ft_font_face_create_for_ft_face(face, 0);
static cairo_user_data_key_t bufferKey;
cairo_font_face_set_user_data(fontFace, &bufferKey, buffer, releaseData);
return new FontCustomPlatformData(fontFace);
}
}