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#include "../base/SRC_FIRST.hpp"
#include "text_renderer.hpp"
#include "resource_manager.hpp"
#include "skin.hpp"
#include "../coding/strutil.hpp"
#include "../std/bind.hpp"
#include "../base/start_mem_debug.hpp"
namespace yg { namespace gl {
void TextRenderer::TextObj::Draw(GeometryBatcher * pBatcher) const
{
pBatcher->drawText(m_pt, 0.0, m_size, m_utf8Text, m_depth);
}
m2::RectD TextRenderer::TextObj::GetLimitRect(GeometryBatcher * pBatcher) const
{
shared_ptr<ResourceManager> pRM = pBatcher->resManager();
m2::RectD rect;
m2::PointD pt(0, 0);
wstring const text = FromUtf8(m_utf8Text);
for (size_t i = 0; i < text.size(); ++i)
{
GlyphMetrics const m = pRM->getGlyphMetrics(GlyphKey(text[i], m_size, true));
rect.Add(m_pt + pt);
rect.Add(m_pt + pt + m2::PointD(m.m_xOffset + m.m_width, - m.m_yOffset - m.m_height));
pt += m2::PointD(m.m_xAdvance, 0);
}
rect.Inflate(2, 2);
return rect;
}
void TextRenderer::drawText(m2::PointD const & pt,
float angle,
uint8_t fontSize,
string const & utf8Text,
double depth)
{
TextObj obj(pt, utf8Text, fontSize, depth);
m_tree.ReplaceIf(obj, obj.GetLimitRect(this), TextObj::better_depth());
}
void TextRenderer::endFrame()
{
m_tree.ForEach(bind(&TextObj::Draw, _1, this));
m_tree.Clear();
GeometryBatcher::endFrame();
}
}}
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