void CGUIFontTTFBase::ReloadFace()
{
bool reloaded;
m_face = g_freeTypeLibrary.GetFont(m_strFilename, m_height, m_aspect, reloaded);
if (!m_face)
return;
if (m_faceLoadTime == 0)
m_faceLoadTime = time(NULL);
#ifdef HAS_HARFBUZZ_NG
if (reloaded)
{
if (hb_font)
{
hb_font_destroy (hb_font);
hb_font = NULL;
}
hb_font = hb_ft_font_create (m_face, NULL);
}
#endif
}
bool CGUIFontTTFBase::Load(const CStdString& strFilename, float height, float aspect, float lineSpacing, bool border)
{
// we now know that this object is unique - only the GUIFont objects are non-unique, so no need
// for reference tracking these fonts
m_face = g_freeTypeLibrary.GetFont(strFilename, height, aspect);
if (!m_face)
return false;
// grab the maximum cell height and width
unsigned int m_cellWidth = m_face->bbox.xMax - m_face->bbox.xMin;
m_cellHeight = std::max<unsigned int>(m_face->bbox.yMax - m_face->bbox.yMin, m_face->ascender - m_face->descender);
m_cellBaseLine = std::max<unsigned int>(m_face->bbox.yMax, m_face->ascender);
if (border)
{
m_stroker = g_freeTypeLibrary.GetStroker();
FT_Pos strength = FT_MulFix( m_face->units_per_EM, m_face->size->metrics.y_scale) / 12;
if (strength < 128)
strength = 128;
m_cellHeight += 2*strength;
if (m_stroker)
FT_Stroker_Set(m_stroker, strength, FT_STROKER_LINECAP_ROUND, FT_STROKER_LINEJOIN_ROUND, 0);
}
unsigned int ydpi = g_freeTypeLibrary.GetDPI();
unsigned int xdpi = (unsigned int)MathUtils::round_int(ydpi * aspect);
m_cellWidth *= (unsigned int)(height * xdpi);
m_cellWidth /= (72 * m_face->units_per_EM);
m_cellHeight *= (unsigned int)(height * ydpi);
m_cellHeight /= (72 * m_face->units_per_EM);
m_cellBaseLine *= (unsigned int)(height * ydpi);
m_cellBaseLine /= (72 * m_face->units_per_EM);
// increment for good measure to give space in our texture
m_cellWidth++;
m_cellHeight+=2;
m_cellBaseLine++;
// CLog::Log(LOGDEBUG, "%s Scaled size of font %s (%f): width = %i, height = %i, lineheight = %li",
// __FUNCTION__, strFilename.c_str(), height, m_cellWidth, m_cellHeight, m_face->size->metrics.height / 64);
m_height = height;
delete(m_texture);
m_texture = NULL;
delete[] m_char;
m_char = NULL;
m_maxChars = 0;
m_numChars = 0;
m_strFilename = strFilename;
m_textureHeight = 0;
m_textureWidth = ((m_cellHeight * CHARS_PER_TEXTURE_LINE) & ~63) + 64;
m_textureWidth = CBaseTexture::PadPow2(m_textureWidth);
if (m_textureWidth > g_Windowing.GetMaxTextureSize())
m_textureWidth = g_Windowing.GetMaxTextureSize();
// set the posX and posY so that our texture will be created on first character write.
m_posX = m_textureWidth;
m_posY = -(int)m_cellHeight;
// cache the ellipses width
Character *ellipse = GetCharacter(L'.');
if (ellipse) m_ellipsesWidth = ellipse->advance;
return true;
}
bool CGUIFontTTF::Load(const CStdString& strFile, float height, float aspect, float lineSpacing)
{
CStdString strFilename = strFile;
#ifdef __APPLE__
// Hardwire to the unicode version that's built into every system.
if (strFilename.Right(9) == "Arial.ttf")
strFilename = "/Library/Fonts/Arial Unicode.ttf";
#endif
#ifndef HAS_SDL
// create our character texture + font shader
m_pD3DDevice = g_graphicsContext.Get3DDevice();
#endif
// we now know that this object is unique - only the GUIFont objects are non-unique, so no need
// for reference tracking these fonts
m_face = g_freeTypeLibrary.GetFont(strFilename, height, aspect);
if (!m_face)
return false;
// grab the maximum cell height and width
unsigned int m_cellWidth = m_face->bbox.xMax - m_face->bbox.xMin;
m_cellHeight = m_face->bbox.yMax - m_face->bbox.yMin;
m_cellBaseLine = m_face->bbox.yMax;
unsigned int ydpi = g_freeTypeLibrary.GetDPI();
unsigned int xdpi = (unsigned int)ROUND(ydpi * aspect);
m_cellWidth *= (unsigned int)(height * xdpi);
m_cellWidth /= (72 * m_face->units_per_EM);
m_cellHeight *= (unsigned int)(height * ydpi);
m_cellHeight /= (72 * m_face->units_per_EM);
m_cellBaseLine *= (unsigned int)(height * ydpi);
m_cellBaseLine /= (72 * m_face->units_per_EM);
// increment for good measure to give space in our texture
m_cellWidth++;
m_cellHeight+=2;
m_cellBaseLine++;
CLog::Log(LOGDEBUG, "%s Scaled size of font %s (%f): width = %i, height = %i, lineheight = %li",
__FUNCTION__, strFilename.c_str(), height, m_cellWidth, m_cellHeight, m_face->size->metrics.height / 64);
m_height = height;
if (m_texture)
#ifndef HAS_SDL
m_texture->Release();
#else
SDL_FreeSurface(m_texture);
#endif
m_texture = NULL;
if (m_char)
delete[] m_char;
m_char = NULL;
m_maxChars = 0;
m_numChars = 0;
m_strFilename = strFilename;
m_textureHeight = 0;
m_textureWidth = ((m_cellHeight * CHARS_PER_TEXTURE_LINE) & ~63) + 64;
#ifdef HAS_SDL_OPENGL
m_textureWidth = PadPow2(m_textureWidth);
GLint maxTextureSize;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
#else
int maxTextureSize = 2048;
#endif
// Use a maximum texture width of 2048, which should work on all Macs. Ideally we should query the maximum texture width.
if (m_textureWidth > maxTextureSize)
m_textureWidth = maxTextureSize;
// set the posX and posY so that our texture will be created on first character write.
m_posX = m_textureWidth;
m_posY = -(int)m_cellHeight;
// cache the ellipses width
Character *ellipse = GetCharacter(L'.');
if (ellipse) m_ellipsesWidth = ellipse->advance;
return true;
}