// ----------------------------------------------------------------------------
void BoldFace::reset()
{
FontWithFace::reset();
core::stringw preload_chars;
for (int i = 32; i < 128; i++)
{
// Include basic Latin
preload_chars.append((wchar_t)i);
}
insertCharacters(preload_chars.c_str());
updateCharactersList();
} // reset
// ----------------------------------------------------------------------------
void DigitFace::reset()
{
FontWithFace::reset();
core::stringw preload_chars;
for (int i = 32; i < 64; i++)
{
// No lazy loading for digit font, include the least characters
preload_chars.append((wchar_t)i);
}
// Used when displaying multiple items, e.g. 6x
preload_chars.append((wchar_t)120);
insertCharacters(preload_chars.c_str(), true/*first_load*/);
updateCharactersList();
} // reset
// ----------------------------------------------------------------------------
core::dimension2d<u32> FontWithFace::getDimension(const wchar_t* text,
FontSettings* font_settings)
{
const float scale = font_settings ? font_settings->getScale() : 1.0f;
// Test if lazy load char is needed
insertCharacters(text);
updateCharactersList();
assert(m_character_area_map.size() > 0);
core::dimension2d<float> dim(0.0f, 0.0f);
core::dimension2d<float> this_line(0.0f, m_font_max_height * scale);
for (const wchar_t* p = text; *p; ++p)
{
if (*p == L'\r' || // Windows breaks
*p == L'\n' ) // Unix breaks
{
if (*p==L'\r' && p[1] == L'\n') // Windows breaks
++p;
dim.Height += this_line.Height;
if (dim.Width < this_line.Width)
dim.Width = this_line.Width;
this_line.Width = 0;
continue;
}
bool fallback = false;
const FontArea &area = getAreaFromCharacter(*p, &fallback);
this_line.Width += getCharWidth(area, fallback, scale);
}
dim.Height += this_line.Height;
if (dim.Width < this_line.Width)
dim.Width = this_line.Width;
core::dimension2d<u32> ret_dim(0, 0);
ret_dim.Width = (u32)(dim.Width + 0.9f); // round up
ret_dim.Height = (u32)(dim.Height + 0.9f);
return ret_dim;
} // getDimension
// ----------------------------------------------------------------------------
void FontWithFace::render(const core::stringw& text,
const core::rect<s32>& position,
const video::SColor& color, bool hcenter,
bool vcenter, const core::rect<s32>* clip,
FontSettings* font_settings,
FontCharCollector* char_collector)
{
const bool is_bold_face = dynamic_cast<BoldFace*>(this);
const bool black_border = font_settings ?
font_settings->useBlackBorder() : false;
const bool rtl = font_settings ? font_settings->isRTL() : false;
const float scale = font_settings ? font_settings->getScale() : 1.0f;
const float shadow = font_settings ? font_settings->useShadow() : false;
if (shadow)
{
assert(font_settings);
// Avoid infinite recursion
font_settings->setShadow(false);
core::rect<s32> shadowpos = position;
shadowpos.LowerRightCorner.X += 2;
shadowpos.LowerRightCorner.Y += 2;
render(text, shadowpos, font_settings->getShadowColor(), hcenter,
vcenter, clip, font_settings);
// Set back
font_settings->setShadow(true);
}
core::position2d<float> offset(float(position.UpperLeftCorner.X),
float(position.UpperLeftCorner.Y));
core::dimension2d<s32> text_dimension;
if (rtl || hcenter || vcenter || clip)
{
text_dimension = getDimension(text.c_str(), font_settings);
if (hcenter)
offset.X += (position.getWidth() - text_dimension.Width) / 2;
else if (rtl)
offset.X += (position.getWidth() - text_dimension.Width);
if (vcenter)
offset.Y += (position.getHeight() - text_dimension.Height) / 2;
if (clip)
{
core::rect<s32> clippedRect(core::position2d<s32>
(s32(offset.X), s32(offset.Y)), text_dimension);
clippedRect.clipAgainst(*clip);
if (!clippedRect.isValid()) return;
}
}
// Collect character locations
const unsigned int text_size = text.size();
core::array<s32> indices(text_size);
core::array<core::position2d<float>> offsets(text_size);
std::vector<bool> fallback(text_size);
// Test again if lazy load char is needed,
// as some text isn't drawn with getDimension
insertCharacters(text.c_str());
updateCharactersList();
for (u32 i = 0; i < text_size; i++)
{
wchar_t c = text[i];
if (c == L'\r' || // Windows breaks
c == L'\n' ) // Unix breaks
{
if (c==L'\r' && text[i+1]==L'\n')
c = text[++i];
offset.Y += m_font_max_height * scale;
offset.X = position.UpperLeftCorner.X;
if (hcenter)
offset.X += (position.getWidth() - text_dimension.Width) >> 1;
continue;
} // if lineBreak
bool use_fallback_font = false;
const FontArea &area = getAreaFromCharacter(c, &use_fallback_font);
fallback[i] = use_fallback_font;
if (char_collector == NULL)
{
float glyph_offset_x = area.bearing_x *
(fallback[i] ? m_fallback_font_scale : scale);
float glyph_offset_y = area.offset_y *
(fallback[i] ? m_fallback_font_scale : scale);
offset.X += glyph_offset_x;
offset.Y += glyph_offset_y;
offsets.push_back(offset);
offset.X -= glyph_offset_x;
offset.Y -= glyph_offset_y;
}
else
{
// Prevent overwriting texture used by billboard text when
// using lazy loading characters
if (supportLazyLoadChar() && fallback[i])
{
const int cur_texno = m_fallback_font->getSpriteBank()
->getSprites()[area.spriteno].Frames[0].textureNumber;
if (cur_texno == int(m_fallback_font->getSpriteBank()
->getTextureCount() - 1))
{
m_fallback_font->createNewGlyphPage();
}
}
else if (supportLazyLoadChar())
{
const int cur_texno = m_spritebank
->getSprites()[area.spriteno].Frames[0].textureNumber;
if (cur_texno == int(m_spritebank->getTextureCount() - 1))
{
createNewGlyphPage();
}
}
// Billboard text specific, use offset_y_bt instead
float glyph_offset_x = area.bearing_x *
(fallback[i] ? m_fallback_font_scale : scale);
float glyph_offset_y = area.offset_y_bt *
(fallback[i] ? m_fallback_font_scale : scale);
offset.X += glyph_offset_x;
offset.Y += glyph_offset_y;
offsets.push_back(offset);
offset.X -= glyph_offset_x;
offset.Y -= glyph_offset_y;
}
indices.push_back(area.spriteno);
offset.X += getCharWidth(area, fallback[i], scale);
} // for i < text_size
// Do the actual rendering
const int indice_amount = indices.size();
core::array<gui::SGUISprite>& sprites = m_spritebank->getSprites();
core::array<core::rect<s32>>& positions = m_spritebank->getPositions();
core::array<gui::SGUISprite>* fallback_sprites;
core::array<core::rect<s32>>* fallback_positions;
if (m_fallback_font != NULL)
{
fallback_sprites = &m_fallback_font->m_spritebank->getSprites();
fallback_positions = &m_fallback_font->m_spritebank->getPositions();
}
else
{
fallback_sprites = NULL;
fallback_positions = NULL;
}
const int sprite_amount = sprites.size();
if ((black_border || is_bold_face) && char_collector == NULL)
{
// Draw black border first, to make it behind the real character
// which make script language display better
video::SColor black(color.getAlpha(),0,0,0);
for (int n = 0; n < indice_amount; n++)
{
const int sprite_id = indices[n];
if (!fallback[n] && (sprite_id < 0 || sprite_id >= sprite_amount))
continue;
if (indices[n] == -1) continue;
const int tex_id = (fallback[n] ?
(*fallback_sprites)[sprite_id].Frames[0].textureNumber :
sprites[sprite_id].Frames[0].textureNumber);
core::rect<s32> source = (fallback[n] ? (*fallback_positions)
[(*fallback_sprites)[sprite_id].Frames[0].rectNumber] :
positions[sprites[sprite_id].Frames[0].rectNumber]);
core::dimension2d<float> size(0.0f, 0.0f);
float cur_scale = (fallback[n] ? m_fallback_font_scale : scale);
size.Width = source.getSize().Width * cur_scale;
size.Height = source.getSize().Height * cur_scale;
core::rect<float> dest(offsets[n], size);
video::ITexture* texture = (fallback[n] ?
m_fallback_font->m_spritebank->getTexture(tex_id) :
m_spritebank->getTexture(tex_id));
for (int x_delta = -2; x_delta <= 2; x_delta++)
{
for (int y_delta = -2; y_delta <= 2; y_delta++)
{
if (x_delta == 0 || y_delta == 0) continue;
draw2DImage(texture, dest + core::position2d<float>
(float(x_delta), float(y_delta)), source, clip,
black, true);
}
}
}
}
for (int n = 0; n < indice_amount; n++)
{
const int sprite_id = indices[n];
if (!fallback[n] && (sprite_id < 0 || sprite_id >= sprite_amount))
continue;
if (indices[n] == -1) continue;
const int tex_id = (fallback[n] ?
(*fallback_sprites)[sprite_id].Frames[0].textureNumber :
sprites[sprite_id].Frames[0].textureNumber);
core::rect<s32> source = (fallback[n] ?
(*fallback_positions)[(*fallback_sprites)[sprite_id].Frames[0]
.rectNumber] : positions[sprites[sprite_id].Frames[0].rectNumber]);
core::dimension2d<float> size(0.0f, 0.0f);
float cur_scale = (fallback[n] ? m_fallback_font_scale : scale);
size.Width = source.getSize().Width * cur_scale;
size.Height = source.getSize().Height * cur_scale;
core::rect<float> dest(offsets[n], size);
video::ITexture* texture = (fallback[n] ?
m_fallback_font->m_spritebank->getTexture(tex_id) :
m_spritebank->getTexture(tex_id));
if (fallback[n] || is_bold_face)
{
video::SColor top = GUIEngine::getSkin()->getColor("font::top");
video::SColor bottom = GUIEngine::getSkin()
->getColor("font::bottom");
top.setAlpha(color.getAlpha());
bottom.setAlpha(color.getAlpha());
video::SColor title_colors[] = {top, bottom, top, bottom};
if (char_collector != NULL)
{
char_collector->collectChar(texture, dest, source,
title_colors);
}
else
{
draw2DImage(texture, dest, source, clip, title_colors, true);
}
}
else
{
if (char_collector != NULL)
{
video::SColor colors[] = {color, color, color, color};
char_collector->collectChar(texture, dest, source, colors);
}
else
{
draw2DImage(texture, dest, source, clip, color, true);
}
}
}
} // render
