// ----------------------------------------------------------------------------
void FontWithFace::init()
{
setDPI();
m_page = irr_driver->getVideoDriver()->createImage(video::ECF_A8R8G8B8,
core::dimension2du(getGlyphPageSize(), getGlyphPageSize()));
// Get the max height for this face
assert(m_face_ttf->getTotalFaces() > 0);
FT_Face cur_face = m_face_ttf->getFace(0);
font_manager->checkFTError(FT_Set_Pixel_Sizes(cur_face, 0, getDPI()),
"setting DPI");
for (int i = 32; i < 128; i++)
{
// Test all basic latin characters
const int idx = FT_Get_Char_Index(cur_face, (wchar_t)i);
if (idx == 0) continue;
font_manager->checkFTError(FT_Load_Glyph(cur_face, idx,
FT_LOAD_DEFAULT), "setting max height");
const int height = cur_face->glyph->metrics.height / BEARING;
if (height > m_glyph_max_height)
m_glyph_max_height = height;
}
reset();
} // init
void WebEntityItem::appendSubclassData(OctreePacketData* packetData, EncodeBitstreamParams& params,
EntityTreeElementExtraEncodeDataPointer entityTreeElementExtraEncodeData,
EntityPropertyFlags& requestedProperties,
EntityPropertyFlags& propertyFlags,
EntityPropertyFlags& propertiesDidntFit,
int& propertyCount,
OctreeElement::AppendState& appendState) const {
bool successPropertyFits = true;
APPEND_ENTITY_PROPERTY(PROP_COLOR, getColor());
APPEND_ENTITY_PROPERTY(PROP_ALPHA, getAlpha());
withReadLock([&] {
_pulseProperties.appendSubclassData(packetData, params, entityTreeElementExtraEncodeData, requestedProperties,
propertyFlags, propertiesDidntFit, propertyCount, appendState);
});
APPEND_ENTITY_PROPERTY(PROP_BILLBOARD_MODE, (uint32_t)getBillboardMode());
APPEND_ENTITY_PROPERTY(PROP_SOURCE_URL, getSourceUrl());
APPEND_ENTITY_PROPERTY(PROP_DPI, getDPI());
APPEND_ENTITY_PROPERTY(PROP_SCRIPT_URL, getScriptURL());
APPEND_ENTITY_PROPERTY(PROP_MAX_FPS, getMaxFPS());
APPEND_ENTITY_PROPERTY(PROP_INPUT_MODE, (uint32_t)getInputMode());
APPEND_ENTITY_PROPERTY(PROP_SHOW_KEYBOARD_FOCUS_HIGHLIGHT, getShowKeyboardFocusHighlight());
}
// ----------------------------------------------------------------------------
void FontWithFace::insertGlyph(wchar_t c, const GlyphInfo& gi)
{
assert(gi.glyph_index > 0);
assert(gi.font_number < m_face_ttf->getTotalFaces());
FT_Face cur_face = m_face_ttf->getFace(gi.font_number);
FT_GlyphSlot slot = cur_face->glyph;
// Faces may be shared across regular and bold,
// so reset dpi each time
font_manager->checkFTError(FT_Set_Pixel_Sizes(cur_face, 0, getDPI()),
"setting DPI");
font_manager->checkFTError(FT_Load_Glyph(cur_face, gi.glyph_index,
FT_LOAD_DEFAULT), "loading a glyph");
if (dynamic_cast<BoldFace*>(this))
{
// Embolden the outline of the glyph
FT_Outline_Embolden(&(slot->outline), getDPI() * 2);
}
font_manager->checkFTError(FT_Render_Glyph(slot, FT_RENDER_MODE_NORMAL),
"render a glyph to bitmap");
// Convert to an anti-aliased bitmap
FT_Bitmap bits = slot->bitmap;
core::dimension2du d(bits.width + 1, bits.rows + 1);
core::dimension2du texture_size;
texture_size = d.getOptimalSize(!(irr_driver->getVideoDriver()
->queryFeature(video::EVDF_TEXTURE_NPOT)), !(irr_driver
->getVideoDriver()->queryFeature(video::EVDF_TEXTURE_NSQUARE)),
true, 0);
if ((m_used_width + texture_size.Width > getGlyphPageSize() &&
m_used_height + m_temp_height + texture_size.Height >
getGlyphPageSize()) ||
m_used_height + texture_size.Height > getGlyphPageSize())
{
// Current glyph page is full:
// Save the old glyph page
video::ITexture* page_texture = irr_driver->getVideoDriver()
->addTexture("Glyph_page", m_page);
m_spritebank->setTexture(m_spritebank->getTextureCount() - 1,
page_texture);
irr_driver->getVideoDriver()->removeTexture(page_texture);
assert(page_texture->getReferenceCount() == 1);
// Clear and add a new one
createNewGlyphPage();
}
video::IImage* glyph = NULL;
switch (bits.pixel_mode)
{
case FT_PIXEL_MODE_GRAY:
{
// Create our blank image.
glyph = irr_driver->getVideoDriver()
->createImage(video::ECF_A8R8G8B8, texture_size);
glyph->fill(video::SColor(0, 255, 255, 255));
// Load the grayscale data in.
const float gray_count = static_cast<float>(bits.num_grays);
const unsigned int image_pitch =
glyph->getPitch() / sizeof(unsigned int);
unsigned int* image_data = (unsigned int*)glyph->lock();
unsigned char* glyph_data = bits.buffer;
for (unsigned int y = 0; y < (unsigned int)bits.rows; y++)
{
unsigned char* row = glyph_data;
for (unsigned int x = 0; x < (unsigned)bits.width; x++)
{
image_data[y * image_pitch + x] |=
static_cast<unsigned int>(255.0f *
(static_cast<float>(*row++) / gray_count)) << 24;
}
glyph_data += bits.pitch;
}
glyph->unlock();
break;
}
default:
assert(false);
}
if (!glyph)
Log::fatal("FontWithFace", "Failed to load a glyph");
// Done creating a single glyph, now copy to the glyph page...
// Determine the linebreak location
if (m_used_width + texture_size.Width > getGlyphPageSize())
{
m_used_width = 0;
m_used_height += m_temp_height;
m_temp_height = 0;
}
// Copy to the full glyph page
glyph->copyTo(m_page, core::position2di(m_used_width, m_used_height));
// Store the rectangle of current glyph
gui::SGUISpriteFrame f;
gui::SGUISprite s;
core::rect<s32> rectangle(m_used_width, m_used_height,
m_used_width + bits.width, m_used_height + bits.rows);
f.rectNumber = m_spritebank->getPositions().size();
f.textureNumber = m_spritebank->getTextureCount() - 1;
// Add frame to sprite
s.Frames.push_back(f);
s.frameTime = 0;
m_spritebank->getPositions().push_back(rectangle);
m_spritebank->getSprites().push_back(s);
// Save glyph metrics
FontArea a;
a.advance_x = cur_face->glyph->advance.x / BEARING;
a.bearing_x = cur_face->glyph->metrics.horiBearingX / BEARING;
const int cur_height = (cur_face->glyph->metrics.height / BEARING);
const int cur_offset_y = cur_height -
(cur_face->glyph->metrics.horiBearingY / BEARING);
a.offset_y = m_glyph_max_height - cur_height + cur_offset_y;
a.offset_y_bt = -cur_offset_y;
a.spriteno = f.rectNumber;
m_character_area_map[c] = a;
// Clean the temporary glyph
glyph->drop();
glyph = NULL;
// Store used area
m_used_width += texture_size.Width;
if (m_temp_height < texture_size.Height)
m_temp_height = texture_size.Height;
} // insertGlyph
/** Render a glyph for a character into bitmap and save it into the glyph page.
* \param c The character to be loaded.
* \param c \ref GlyphInfo for the character.
*/
void FontWithFace::insertGlyph(wchar_t c, const GlyphInfo& gi)
{
assert(gi.glyph_index > 0);
assert(gi.font_number < m_face_ttf->getTotalFaces());
FT_Face cur_face = m_face_ttf->getFace(gi.font_number);
FT_GlyphSlot slot = cur_face->glyph;
// Same face may be shared across the different FontWithFace,
// so reset dpi each time
font_manager->checkFTError(FT_Set_Pixel_Sizes(cur_face, 0, getDPI()),
"setting DPI");
font_manager->checkFTError(FT_Load_Glyph(cur_face, gi.glyph_index,
FT_LOAD_DEFAULT), "loading a glyph");
font_manager->checkFTError(shapeOutline(&(slot->outline)),
"shaping outline");
font_manager->checkFTError(FT_Render_Glyph(slot, FT_RENDER_MODE_NORMAL),
"rendering a glyph to bitmap");
// Convert to an anti-aliased bitmap
FT_Bitmap* bits = &(slot->bitmap);
core::dimension2du texture_size(bits->width + 1, bits->rows + 1);
if ((m_used_width + texture_size.Width > getGlyphPageSize() &&
m_used_height + m_current_height + texture_size.Height >
getGlyphPageSize()) ||
m_used_height + texture_size.Height > getGlyphPageSize())
{
// Add a new glyph page if current one is full
createNewGlyphPage();
}
// Determine the linebreak location
if (m_used_width + texture_size.Width > getGlyphPageSize())
{
m_used_width = 0;
m_used_height += m_current_height;
m_current_height = 0;
}
const unsigned int cur_tex = m_spritebank->getTextureCount() -1;
#ifndef SERVER_ONLY
video::ITexture* tex = m_spritebank->getTexture(cur_tex);
glBindTexture(GL_TEXTURE_2D, tex->getOpenGLTextureName());
assert(bits->pixel_mode == FT_PIXEL_MODE_GRAY);
if (CVS->isARBTextureSwizzleUsable())
{
glTexSubImage2D(GL_TEXTURE_2D, 0, m_used_width, m_used_height,
bits->width, bits->rows, GL_RED, GL_UNSIGNED_BYTE, bits->buffer);
}
else
{
const unsigned int size = bits->width * bits->rows;
uint8_t* image_data = new uint8_t[size * 4];
memset(image_data, 255, size * 4);
for (unsigned int i = 0; i < size; i++)
image_data[4 * i + 3] = bits->buffer[i];
glTexSubImage2D(GL_TEXTURE_2D, 0, m_used_width, m_used_height,
bits->width, bits->rows, GL_BGRA, GL_UNSIGNED_BYTE, image_data);
delete[] image_data;
}
if (tex->hasMipMaps())
glGenerateMipmap(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
#endif
// Store the rectangle of current glyph
gui::SGUISpriteFrame f;
gui::SGUISprite s;
core::rect<s32> rectangle(m_used_width, m_used_height,
m_used_width + bits->width, m_used_height + bits->rows);
f.rectNumber = m_spritebank->getPositions().size();
f.textureNumber = cur_tex;
// Add frame to sprite
s.Frames.push_back(f);
s.frameTime = 0;
m_spritebank->getPositions().push_back(rectangle);
m_spritebank->getSprites().push_back(s);
// Save glyph metrics
FontArea a;
a.advance_x = cur_face->glyph->advance.x / BEARING;
a.bearing_x = cur_face->glyph->metrics.horiBearingX / BEARING;
const int cur_height = (cur_face->glyph->metrics.height / BEARING);
const int cur_offset_y = cur_height -
(cur_face->glyph->metrics.horiBearingY / BEARING);
a.offset_y = m_glyph_max_height - cur_height + cur_offset_y;
a.offset_y_bt = -cur_offset_y;
a.spriteno = f.rectNumber;
m_character_area_map[c] = a;
// Store used area
m_used_width += texture_size.Width;
if (m_current_height < texture_size.Height)
m_current_height = texture_size.Height;
} // insertGlyph
float Utils::getRealSizeInMM(float size)
{
return size / getDPI() * 25.4;
}
