FXFT_Face CFGAS_FontMgr::LoadFace(IFX_SeekableReadStream* pFontStream,
int32_t iFaceIndex) {
if (!pFontStream)
return nullptr;
CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
pFontMgr->InitFTLibrary();
FXFT_Library library = pFontMgr->GetFTLibrary();
if (!library)
return nullptr;
FXFT_Stream ftStream = FX_Alloc(FXFT_StreamRec, 1);
FXSYS_memset(ftStream, 0, sizeof(FXFT_StreamRec));
ftStream->base = nullptr;
ftStream->descriptor.pointer = pFontStream;
ftStream->pos = 0;
ftStream->size = static_cast<unsigned long>(pFontStream->GetSize());
ftStream->read = _ftStreamRead;
ftStream->close = _ftStreamClose;
FXFT_Open_Args ftArgs;
FXSYS_memset(&ftArgs, 0, sizeof(FXFT_Open_Args));
ftArgs.flags |= FT_OPEN_STREAM;
ftArgs.stream = ftStream;
FXFT_Face pFace = nullptr;
if (FXFT_Open_Face(library, &ftArgs, iFaceIndex, &pFace)) {
FX_Free(ftStream);
return nullptr;
}
FXFT_Set_Pixel_Sizes(pFace, 0, 64);
return pFace;
}
FXFT_Face CFX_FontMgr::AddCachedFace(const CFX_ByteString& face_name,
int weight, FX_BOOL bItalic, FX_LPBYTE pData, FX_DWORD size, int face_index)
{
CTTFontDesc* pFontDesc = FX_NEW CTTFontDesc;
if (!pFontDesc) {
return NULL;
}
pFontDesc->m_Type = 1;
pFontDesc->m_SingleFace.m_pFace = NULL;
pFontDesc->m_SingleFace.m_bBold = weight;
pFontDesc->m_SingleFace.m_bItalic = bItalic;
pFontDesc->m_pFontData = pData;
pFontDesc->m_RefCount = 1;
FXFT_Library library;
if (m_FTLibrary == NULL) {
FXFT_Init_FreeType(&m_FTLibrary);
}
library = m_FTLibrary;
int ret = FXFT_New_Memory_Face(library, pData, size, face_index, &pFontDesc->m_SingleFace.m_pFace);
if (ret) {
delete pFontDesc;
return NULL;
}
ret = FXFT_Set_Pixel_Sizes(pFontDesc->m_SingleFace.m_pFace, 64, 64);
if (ret) {
delete pFontDesc;
return NULL;
}
CFX_ByteString key(face_name);
key += ',';
key += CFX_ByteString::FormatInteger(weight);
key += bItalic ? 'I' : 'N';
m_FaceMap.SetAt(key, pFontDesc);
return pFontDesc->m_SingleFace.m_pFace;
}
FX_BOOL CFX_Font::GetGlyphBBox(FX_DWORD glyph_index, FX_RECT &bbox)
{
if (m_Face == NULL) {
return FALSE;
}
if (FXFT_Is_Face_Tricky(m_Face)) {
int error = FXFT_Set_Char_Size(m_Face, 0, 1000 * 64, 72, 72);
if (error) {
return FALSE;
}
error = FXFT_Load_Glyph(m_Face, glyph_index, FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
if (error) {
return FALSE;
}
FXFT_BBox cbox;
FT_Glyph glyph;
error = FXFT_Get_Glyph(((FXFT_Face)m_Face)->glyph, &glyph);
if (error) {
return FALSE;
}
FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
int pixel_size_x = ((FXFT_Face)m_Face)->size->metrics.x_ppem,
pixel_size_y = ((FXFT_Face)m_Face)->size->metrics.y_ppem;
if (pixel_size_x == 0 || pixel_size_y == 0) {
bbox.left = cbox.xMin;
bbox.right = cbox.xMax;
bbox.top = cbox.yMax;
bbox.bottom = cbox.yMin;
} else {
bbox.left = cbox.xMin * 1000 / pixel_size_x;
bbox.right = cbox.xMax * 1000 / pixel_size_x;
bbox.top = cbox.yMax * 1000 / pixel_size_y;
bbox.bottom = cbox.yMin * 1000 / pixel_size_y;
}
if (bbox.top > FXFT_Get_Face_Ascender(m_Face)) {
bbox.top = FXFT_Get_Face_Ascender(m_Face);
}
if (bbox.bottom < FXFT_Get_Face_Descender(m_Face)) {
bbox.bottom = FXFT_Get_Face_Descender(m_Face);
}
FT_Done_Glyph(glyph);
return FXFT_Set_Pixel_Sizes(m_Face, 0, 64) == 0;
}
if (FXFT_Load_Glyph(m_Face, glyph_index, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) {
return FALSE;
}
int em = FXFT_Get_Face_UnitsPerEM(m_Face);
if (em == 0) {
bbox.left = FXFT_Get_Glyph_HoriBearingX(m_Face);
bbox.bottom = FXFT_Get_Glyph_HoriBearingY(m_Face);
bbox.top = bbox.bottom - FXFT_Get_Glyph_Height(m_Face);
bbox.right = bbox.left + FXFT_Get_Glyph_Width(m_Face);
} else {
bbox.left = FXFT_Get_Glyph_HoriBearingX(m_Face) * 1000 / em;
bbox.top = (FXFT_Get_Glyph_HoriBearingY(m_Face) - FXFT_Get_Glyph_Height(m_Face)) * 1000 / em;
bbox.right = (FXFT_Get_Glyph_HoriBearingX(m_Face) + FXFT_Get_Glyph_Width(m_Face)) * 1000 / em;
bbox.bottom = (FXFT_Get_Glyph_HoriBearingY(m_Face)) * 1000 / em;
}
return TRUE;
}
FXFT_Face CFX_FontMgr::AddCachedFace(const CFX_ByteString& face_name,
int weight,
FX_BOOL bItalic,
uint8_t* pData,
uint32_t size,
int face_index) {
CTTFontDesc* pFontDesc = new CTTFontDesc;
pFontDesc->m_Type = 1;
pFontDesc->m_SingleFace.m_pFace = nullptr;
pFontDesc->m_SingleFace.m_bBold = weight;
pFontDesc->m_SingleFace.m_bItalic = bItalic;
pFontDesc->m_pFontData = pData;
pFontDesc->m_RefCount = 1;
InitFTLibrary();
FXFT_Library library = m_FTLibrary;
int ret = FXFT_New_Memory_Face(library, pData, size, face_index,
&pFontDesc->m_SingleFace.m_pFace);
if (ret) {
delete pFontDesc;
return nullptr;
}
ret = FXFT_Set_Pixel_Sizes(pFontDesc->m_SingleFace.m_pFace, 64, 64);
if (ret) {
delete pFontDesc;
return nullptr;
}
m_FaceMap[KeyNameFromFace(face_name, weight, bItalic)] = pFontDesc;
return pFontDesc->m_SingleFace.m_pFace;
}
FXFT_Face CFPF_SkiaFontMgr::GetFontFace(IFX_FileRead *pFileRead, FX_INT32 iFaceIndex)
{
if (!pFileRead) {
return NULL;
}
if (pFileRead->GetSize() == 0) {
return NULL;
}
if (iFaceIndex < 0) {
return NULL;
}
FXFT_StreamRec streamRec;
FXSYS_memset32(&streamRec, 0, sizeof(FXFT_StreamRec));
streamRec.size = pFileRead->GetSize();
streamRec.descriptor.pointer = pFileRead;
streamRec.read = FPF_SkiaStream_Read;
streamRec.close = FPF_SkiaStream_Close;
FXFT_Open_Args args;
args.flags = FT_OPEN_STREAM;
args.stream = &streamRec;
FXFT_Face face;
if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) {
return NULL;
}
FXFT_Set_Pixel_Sizes(face, 0, 64);
return face;
}
FXFT_Face CFX_FontMgr::GetFileFace(const FX_CHAR* filename, int face_index) {
InitFTLibrary();
FXFT_Library library = m_FTLibrary;
FXFT_Face face = nullptr;
if (FXFT_New_Face(library, filename, face_index, &face))
return nullptr;
return FXFT_Set_Pixel_Sizes(face, 64, 64) ? nullptr : face;
}
FXFT_Face CFX_FontMgr::GetFixedFace(const uint8_t* pData,
uint32_t size,
int face_index) {
InitFTLibrary();
FXFT_Library library = m_FTLibrary;
FXFT_Face face = nullptr;
if (FXFT_New_Memory_Face(library, pData, size, face_index, &face))
return nullptr;
return FXFT_Set_Pixel_Sizes(face, 64, 64) ? nullptr : face;
}
FX_BOOL CFPF_SkiaFont::GetGlyphBBox(FX_INT32 iGlyphIndex, FX_RECT &rtBBox)
{
if (!m_Face) {
return FALSE;
}
if (FXFT_Is_Face_Tricky(m_Face)) {
if (FXFT_Set_Char_Size(m_Face, 0, 1000 * 64, 72, 72)) {
return FALSE;
}
if (FXFT_Load_Glyph(m_Face, iGlyphIndex, FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) {
FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
return FALSE;
}
FXFT_Glyph glyph;
if (FXFT_Get_Glyph(m_Face->glyph, &glyph)) {
FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
return FALSE;
}
FXFT_BBox cbox;
FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
FX_INT32 x_ppem = m_Face->size->metrics.x_ppem;
FX_INT32 y_ppem = m_Face->size->metrics.y_ppem;
rtBBox.left = FPF_EM_ADJUST(x_ppem, cbox.xMin);
rtBBox.right = FPF_EM_ADJUST(x_ppem, cbox.xMax);
rtBBox.top = FPF_EM_ADJUST(y_ppem, cbox.yMax);
rtBBox.bottom = FPF_EM_ADJUST(y_ppem, cbox.yMin);
rtBBox.top = FX_MIN(rtBBox.top, GetAscent());
rtBBox.bottom = FX_MAX(rtBBox.bottom, GetDescent());
FXFT_Done_Glyph(glyph);
return FXFT_Set_Pixel_Sizes(m_Face, 0, 64) == 0;
}
if (FXFT_Load_Glyph(m_Face, iGlyphIndex, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) {
return FALSE;
}
rtBBox.left = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingX(m_Face));
rtBBox.bottom = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingY(m_Face));
rtBBox.right = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingX(m_Face) + FXFT_Get_Glyph_Width(m_Face));
rtBBox.top = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingY(m_Face) - FXFT_Get_Glyph_Height(m_Face));
return TRUE;
}
FX_BOOL CFX_Font::LoadFile(IFX_FileRead* pFile)
{
m_bEmbedded = FALSE;
FXFT_Library library;
if (CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary == NULL) {
FXFT_Init_FreeType(&CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary);
}
library = CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary;
FXFT_Stream stream = NULL;
if (!_LoadFile(library, &m_Face, pFile, &stream)) {
return FALSE;
}
m_pOwnedStream = stream;
FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
return TRUE;
}
FXFT_Face CFX_FontMgr::GetFileFace(FX_LPCSTR filename, int face_index)
{
FXFT_Library library;
if (m_FTLibrary == NULL) {
FXFT_Init_FreeType(&m_FTLibrary);
}
library = m_FTLibrary;
FXFT_Face face = NULL;
int ret = FXFT_New_Face(library, filename, face_index, &face);
if (ret) {
return NULL;
}
ret = FXFT_Set_Pixel_Sizes(face, 64, 64);
if (ret) {
return NULL;
}
return face;
}
FXFT_Face CFX_FontMgr::GetFixedFace(FX_LPCBYTE pData, FX_DWORD size, int face_index)
{
FXFT_Library library;
if (m_FTLibrary == NULL) {
FXFT_Init_FreeType(&m_FTLibrary);
}
library = m_FTLibrary;
FXFT_Face face = NULL;
int ret = FXFT_New_Memory_Face(library, pData, size, face_index, &face);
if (ret) {
return NULL;
}
ret = FXFT_Set_Pixel_Sizes(face, 64, 64);
if (ret) {
return NULL;
}
return face;
}
FXFT_Face CFPF_SkiaFontMgr::GetFontFace(FX_BSTR bsFile, FX_INT32 iFaceIndex )
{
if (bsFile.IsEmpty()) {
return NULL;
}
if (iFaceIndex < 0) {
return NULL;
}
FXFT_Open_Args args;
args.flags = FT_OPEN_PATHNAME;
args.pathname = (FT_String*)bsFile.GetCStr();
FXFT_Face face;
if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) {
return FALSE;
}
FXFT_Set_Pixel_Sizes(face, 0, 64);
return face;
}
static FXFT_Face FT_LoadFont(FX_LPBYTE pData, int size)
{
FXFT_Library library;
if (CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary == NULL) {
FXFT_Init_FreeType(&CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary);
}
library = CFX_GEModule::Get()->GetFontMgr()->m_FTLibrary;
FXFT_Face face;
int error = FXFT_New_Memory_Face(library, pData, size, 0, &face);
if (error) {
return NULL;
}
error = FXFT_Set_Pixel_Sizes(face, 64, 64);
if (error) {
return NULL;
}
return face;
}
FXFT_Face CFPF_SkiaFontMgr::GetFontFace(const CFX_ByteStringC& bsFile,
int32_t iFaceIndex) {
if (bsFile.IsEmpty()) {
return nullptr;
}
if (iFaceIndex < 0) {
return nullptr;
}
FXFT_Open_Args args;
args.flags = FT_OPEN_PATHNAME;
args.pathname = const_cast<FT_String*>(bsFile.c_str());
FXFT_Face face;
if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) {
return FALSE;
}
FXFT_Set_Pixel_Sizes(face, 0, 64);
return face;
}
FXFT_Face CFPF_SkiaFontMgr::GetFontFace(FX_LPCBYTE pBuffer, size_t szBuffer, FX_INT32 iFaceIndex )
{
if (!pBuffer || szBuffer < 1) {
return NULL;
}
if (iFaceIndex < 0) {
return NULL;
}
FXFT_Open_Args args;
args.flags = FT_OPEN_MEMORY;
args.memory_base = pBuffer;
args.memory_size = szBuffer;
FXFT_Face face;
if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) {
return FALSE;
}
FXFT_Set_Pixel_Sizes(face, 0, 64);
return face;
}
FX_BOOL CFX_Font::LoadFile(IFX_FileRead* pFile,
int nFaceIndex,
int* pFaceCount) {
m_bEmbedded = FALSE;
CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
pFontMgr->InitFTLibrary();
FXFT_Library library = pFontMgr->GetFTLibrary();
FXFT_Stream stream = nullptr;
if (!_LoadFile(library, &m_Face, pFile, &stream, nFaceIndex))
return FALSE;
if (pFaceCount)
*pFaceCount = (int)m_Face->num_faces;
m_pOwnedStream = stream;
FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
return TRUE;
}
FXFT_Face CFPF_SkiaFontMgr::GetFontFace(const uint8_t* pBuffer,
size_t szBuffer,
int32_t iFaceIndex) {
if (!pBuffer || szBuffer < 1) {
return nullptr;
}
if (iFaceIndex < 0) {
return nullptr;
}
FXFT_Open_Args args;
args.flags = FT_OPEN_MEMORY;
args.memory_base = pBuffer;
args.memory_size = szBuffer;
FXFT_Face face;
if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) {
return FALSE;
}
FXFT_Set_Pixel_Sizes(face, 0, 64);
return face;
}
