bool CText::Create()
{
if (TTF_Init() != 0)
{
m_error = std::string("TTF_Init error: ") + std::string(TTF_GetError());
return false;
}
m_fonts[FONT_COLOBOT] = new MultisizeFont("fonts/dvu_sans.ttf");
m_fonts[FONT_COLOBOT_BOLD] = new MultisizeFont("fonts/dvu_sans_bold.ttf");
m_fonts[FONT_COLOBOT_ITALIC] = new MultisizeFont("fonts/dvu_sans_italic.ttf");
m_fonts[FONT_COURIER] = new MultisizeFont("fonts/dvu_sans_mono.ttf");
m_fonts[FONT_COURIER_BOLD] = new MultisizeFont("fonts/dvu_sans_mono_bold.ttf");
for (auto it = m_fonts.begin(); it != m_fonts.end(); ++it)
{
FontType type = (*it).first;
CachedFont* cf = GetOrOpenFont(type, m_defaultSize);
if (cf == nullptr || cf->font == nullptr)
return false;
}
return true;
}
void CText::DrawCharAndAdjustPos(UTF8Char ch, FontType font, float size, Math::Point &pos, Color color)
{
// TODO: if (font == FONT_BUTTON)
if (font == FONT_BUTTON) return;
// TODO: special chars?
CachedFont* cf = GetOrOpenFont(font, size);
if (cf == nullptr)
return;
int width = 1;
if (ch.c1 > 0 && ch.c1 < 32) { // FIXME add support for chars with code 9 10 23
if (ch.c1 == '\t') {
ch.c1 = ':';
width = 4;
} else {
ch.c1 = ' ';
}
ch.c2 = 0;
ch.c3 = 0;
}
auto it = cf->cache.find(ch);
CharTexture tex;
if (it != cf->cache.end())
{
tex = (*it).second;
}
else
{
tex = CreateCharTexture(ch, cf);
if (tex.id == 0) // invalid
return;
cf->cache[ch] = tex;
}
Math::Point p1(pos.x, pos.y + tex.charSize.y - tex.texSize.y);
Math::Point p2(pos.x + tex.texSize.x, pos.y + tex.charSize.y);
Math::Vector n(0.0f, 0.0f, -1.0f); // normal
Vertex quad[4] =
{
Vertex(Math::Vector(p1.x, p1.y, 0.0f), n, Math::Point(0.0f, 1.0f)),
Vertex(Math::Vector(p1.x, p2.y, 0.0f), n, Math::Point(0.0f, 0.0f)),
Vertex(Math::Vector(p2.x, p1.y, 0.0f), n, Math::Point(1.0f, 1.0f)),
Vertex(Math::Vector(p2.x, p2.y, 0.0f), n, Math::Point(1.0f, 0.0f))
};
m_device->SetTexture(0, tex.id);
m_device->DrawPrimitive(PRIMITIVE_TRIANGLE_STRIP, quad, 4, color);
m_engine->AddStatisticTriangle(2);
pos.x += tex.charSize.x * width;
}
float CText::GetHeight(FontType font, float size)
{
assert(font != FONT_BUTTON);
CachedFont* cf = GetOrOpenFont(font, size);
assert(cf != nullptr);
Math::IntPoint wndSize;
wndSize.y = TTF_FontHeight(cf->font);
Math::Point ifSize = m_engine->WindowToInterfaceSize(wndSize);
return ifSize.y;
}
float CText::GetStringWidth(const std::string &text, FontType font, float size)
{
assert(font != FONT_BUTTON);
// TODO: special chars?
CachedFont* cf = GetOrOpenFont(font, size);
assert(cf != nullptr);
Math::IntPoint wndSize;
TTF_SizeUTF8(cf->font, text.c_str(), &wndSize.x, &wndSize.y);
Math::Point ifSize = m_engine->WindowToInterfaceSize(wndSize);
return ifSize.x;
}
float CText::GetStringWidth(std::string text, FontType font, float size)
{
assert(font != FONT_BUTTON);
// Skip special chars
for (char& c : text)
{
if (c < 32 && c >= 0)
c = ':';
}
CachedFont* cf = GetOrOpenFont(font, size);
assert(cf != nullptr);
Math::IntPoint wndSize;
TTF_SizeUTF8(cf->font, text.c_str(), &wndSize.x, &wndSize.y);
Math::Point ifSize = m_engine->WindowToInterfaceSize(wndSize);
return ifSize.x;
}
float CText::GetCharWidth(UTF8Char ch, FontType font, float size, float offset)
{
// TODO: if (font == FONT_BUTTON)
if (font == FONT_BUTTON) return 0.0f;
// TODO: special chars?
// TODO: tab sizing
CachedFont* cf = GetOrOpenFont(font, size);
assert(cf != nullptr);
CharTexture tex;
auto it = cf->cache.find(ch);
if (it != cf->cache.end())
tex = (*it).second;
else
tex = CreateCharTexture(ch, cf);
return tex.charSize.x;
}
float CText::GetCharWidth(UTF8Char ch, FontType font, float size, float offset)
{
if (font == FONT_BUTTON) {
Math::IntPoint windowSize = m_engine->GetWindowSize();
float height = GetHeight(FONT_COLOBOT, size);
float width = height*(static_cast<float>(windowSize.y)/windowSize.x);
return width;
}
int width = 1;
if (ch.c1 < 32 && ch.c1 >= 0)
{
if (ch.c1 == '\t')
width = m_tabSize;
// TODO: tab sizing at intervals?
ch.c1 = ':';
}
CachedFont* cf = GetOrOpenFont(font, size);
assert(cf != nullptr);
Math::Point charSize;
auto it = cf->cache.find(ch);
if (it != cf->cache.end())
{
charSize = (*it).second.charSize;
}
else
{
Math::IntPoint wndSize;
std::string text;
text.append({ch.c1, ch.c2, ch.c3});
TTF_SizeUTF8(cf->font, text.c_str(), &wndSize.x, &wndSize.y);
charSize = m_engine->WindowToInterfaceSize(wndSize);
}
return charSize.x * width;
}
void CText::DrawCharAndAdjustPos(UTF8Char ch, FontType font, float size, Math::Point &pos, Color color)
{
if(font == FONT_BUTTON)
{
Math::IntPoint windowSize = m_engine->GetWindowSize();
float height = GetHeight(FONT_COLOBOT, size);
float width = height*(static_cast<float>(windowSize.y)/windowSize.x);
Math::Point p1(pos.x, pos.y);
Math::Point p2(pos.x + width, pos.y + height);
Math::Vector n(0.0f, 0.0f, -1.0f); // normal
// For whatever reason ch.c1 is a SIGNED char, we need to fix that
unsigned char icon = static_cast<unsigned char>(ch.c1);
if ( icon >= 192 )
{
icon -= 192;
m_engine->SetTexture("textures/interface/text.png");
m_engine->SetState(ENG_RSTATE_TTEXTURE_WHITE);
}
else if ( icon >= 128 )
{
icon -= 128;
m_engine->SetTexture("textures/interface/button3.png");
m_engine->SetState(ENG_RSTATE_TTEXTURE_WHITE);
}
else if ( icon >= 64 )
{
icon -= 64;
m_engine->SetTexture("textures/interface/button2.png");
m_engine->SetState(ENG_RSTATE_TTEXTURE_WHITE);
}
else
{
m_engine->SetTexture("textures/interface/button1.png");
m_engine->SetState(ENG_RSTATE_TTEXTURE_WHITE);
}
Math::Point uv1, uv2;
uv1.x = (32.0f / 256.0f) * (icon%8);
uv1.y = (32.0f / 256.0f) * (icon/8);
uv2.x = (32.0f / 256.0f) + uv1.x;
uv2.y = (32.0f / 256.0f) + uv1.y;
float dp = 0.5f / 256.0f;
uv1.x += dp;
uv1.y += dp;
uv2.x -= dp;
uv2.y -= dp;
Vertex quad[4] =
{
Vertex(Math::Vector(p1.x, p1.y, 0.0f), n, Math::Point(uv1.x, uv2.y)),
Vertex(Math::Vector(p1.x, p2.y, 0.0f), n, Math::Point(uv1.x, uv1.y)),
Vertex(Math::Vector(p2.x, p1.y, 0.0f), n, Math::Point(uv2.x, uv2.y)),
Vertex(Math::Vector(p2.x, p2.y, 0.0f), n, Math::Point(uv2.x, uv1.y))
};
m_device->DrawPrimitive(PRIMITIVE_TRIANGLE_STRIP, quad, 4, color);
m_engine->AddStatisticTriangle(2);
pos.x += width;
// Don't forget to restore the state!
m_engine->SetState(ENG_RSTATE_TEXT);
}
else
{
CachedFont* cf = GetOrOpenFont(font, size);
if (cf == nullptr)
return;
int width = 1;
if (ch.c1 > 0 && ch.c1 < 32)
{
if (ch.c1 == '\t')
width = m_tabSize;
ch = TranslateSpecialChar(ch.c1);
}
auto it = cf->cache.find(ch);
CharTexture tex;
if (it != cf->cache.end())
{
tex = (*it).second;
}
else
{
tex = CreateCharTexture(ch, cf);
if (tex.id == 0) // invalid
return;
cf->cache[ch] = tex;
}
Math::Point p1(pos.x, pos.y + tex.charSize.y - tex.texSize.y);
Math::Point p2(pos.x + tex.texSize.x, pos.y + tex.charSize.y);
Math::Vector n(0.0f, 0.0f, -1.0f); // normal
Vertex quad[4] =
{
Vertex(Math::Vector(p1.x, p1.y, 0.0f), n, Math::Point(0.0f, 1.0f)),
Vertex(Math::Vector(p1.x, p2.y, 0.0f), n, Math::Point(0.0f, 0.0f)),
Vertex(Math::Vector(p2.x, p1.y, 0.0f), n, Math::Point(1.0f, 1.0f)),
Vertex(Math::Vector(p2.x, p2.y, 0.0f), n, Math::Point(1.0f, 0.0f))
};
m_device->SetTexture(0, tex.id);
m_device->DrawPrimitive(PRIMITIVE_TRIANGLE_STRIP, quad, 4, color);
m_engine->AddStatisticTriangle(2);
pos.x += tex.charSize.x * width;
}
}
