//------------------------------------------------------------------------
void font_engine_freetype_base::flip_y(bool f)
{
m_flip_y = f;
if(m_cur_face)
{
update_signature();
}
}
//------------------------------------------------------------------------
void font_engine_freetype_base::transform(const trans_affine& affine)
{
m_affine = affine;
if(m_cur_face)
{
update_signature();
}
}
//------------------------------------------------------------------------
void font_engine_freetype_base::hinting(bool h)
{
m_hinting = h;
if(m_cur_face)
{
update_signature();
}
}
Packet::Packet(int ingress_port, packet_id_t id, packet_id_t copy_id,
int ingress_length, PacketBuffer &&buffer)
: ingress_port(ingress_port), packet_id(id), copy_id(copy_id),
ingress_length(ingress_length), buffer(std::move(buffer)) {
assert(phv_pool);
update_signature();
set_ingress_ts();
phv = phv_pool->get();
}
//------------------------------------------------------------------------
bool font_engine_freetype_base::char_map(FT_Encoding char_map)
{
if(m_cur_face)
{
m_last_error = FT_Select_Charmap(m_cur_face, m_char_map);
if(m_last_error == 0)
{
update_signature();
return true;
}
}
return false;
}
Packet::Packet(size_t cxt_id, int ingress_port, packet_id_t id,
copy_id_t copy_id, int ingress_length, PacketBuffer &&buffer,
PHVSourceIface *phv_source)
: cxt_id(cxt_id), ingress_port(ingress_port), packet_id(id),
copy_id(copy_id), ingress_length(ingress_length),
buffer(std::move(buffer)), phv_source(phv_source) {
assert(phv_source);
update_signature();
set_ingress_ts();
phv = phv_source->get(cxt_id);
phv->set_packet_id(packet_id, copy_id);
DEBUGGER_PACKET_IN(PacketId::make(packet_id, copy_id), ingress_port);
}
//------------------------------------------------------------------------
void font_engine_freetype_base::update_char_size()
{
if(m_cur_face)
{
if(m_resolution)
{
FT_Set_Char_Size(m_cur_face,
m_width, // char_width in 1/64th of points
m_height, // char_height in 1/64th of points
m_resolution, // horizontal device resolution
m_resolution); // vertical device resolution
}
else
{
FT_Set_Pixel_Sizes(m_cur_face,
m_width >> 6, // pixel_width
m_height >> 6); // pixel_height
}
update_signature();
}
}
//------------------------------------------------------------------------
bool font_engine_freetype_base::load_font(const char* font_name,
unsigned face_index,
glyph_rendering ren_type,
const char* font_mem,
const long font_mem_size)
{
bool ret = false;
if(m_library_initialized)
{
m_last_error = 0;
int idx = find_face(font_name);
if(idx >= 0)
{
m_cur_face = m_faces[idx];
m_name = m_face_names[idx];
}
else
{
if(m_num_faces >= m_max_faces)
{
delete [] m_face_names[0];
FT_Done_Face(m_faces[0]);
memcpy(m_faces,
m_faces + 1,
(m_max_faces - 1) * sizeof(FT_Face));
memcpy(m_face_names,
m_face_names + 1,
(m_max_faces - 1) * sizeof(char*));
m_num_faces = m_max_faces - 1;
}
if (font_mem && font_mem_size)
{
m_last_error = FT_New_Memory_Face(m_library,
(const FT_Byte*)font_mem,
font_mem_size,
face_index,
&m_faces[m_num_faces]);
}
else
{
m_last_error = FT_New_Face(m_library,
font_name,
face_index,
&m_faces[m_num_faces]);
}
if(m_last_error == 0)
{
m_face_names[m_num_faces] = new char [strlen(font_name) + 1];
strcpy(m_face_names[m_num_faces], font_name);
m_cur_face = m_faces[m_num_faces];
m_name = m_face_names[m_num_faces];
++m_num_faces;
}
else
{
m_face_names[m_num_faces] = 0;
m_cur_face = 0;
m_name = 0;
}
}
if(m_last_error == 0)
{
ret = true;
switch(ren_type)
{
case glyph_ren_native_mono:
m_glyph_rendering = glyph_ren_native_mono;
break;
case glyph_ren_native_gray8:
m_glyph_rendering = glyph_ren_native_gray8;
break;
case glyph_ren_outline:
if(FT_IS_SCALABLE(m_cur_face))
{
m_glyph_rendering = glyph_ren_outline;
}
else
{
m_glyph_rendering = glyph_ren_native_gray8;
}
break;
case glyph_ren_agg_mono:
if(FT_IS_SCALABLE(m_cur_face))
{
m_glyph_rendering = glyph_ren_agg_mono;
}
else
{
m_glyph_rendering = glyph_ren_native_mono;
}
break;
case glyph_ren_agg_gray8:
if(FT_IS_SCALABLE(m_cur_face))
{
m_glyph_rendering = glyph_ren_agg_gray8;
}
else
{
m_glyph_rendering = glyph_ren_native_gray8;
}
break;
}
update_signature();
}
}
return ret;
}