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#include "progressbar.hh"
#include "util.hh"
#include <stdexcept>
ProgressBar::ProgressBar(fs::path const& bg, fs::path const& bar, Mode mode, float begin, float end, bool sliding):
m_bg(bg), m_bar(bar), m_mode(mode), m_begin(begin), m_end(end), m_sliding(sliding), dimensions(m_bg.dimensions)
{}
void ProgressBar::draw(float value) {
value = clamp(value);
float scale = 1.0f - m_begin - m_end;
float off = (1.0f - value) * scale; // Offset for sliding mode
m_bg.draw(dimensions);
switch (m_mode) {
case HORIZONTAL:
{
Dimensions dim = dimensions;
TexCoords tex;
if (m_sliding) { dim.move(-off * dim.w(), 0.0f); tex.x1 = m_begin + off; }
else { tex.x1 = m_begin; tex.x2 = tex.x1 + value * scale; }
m_bar.drawCropped(dim, tex);
}
break;
case VERTICAL:
{
Dimensions dim = dimensions;
TexCoords tex;
if (m_sliding) { dim.move(0.0f, off * dim.h()); tex.y2 = 1.0f - m_begin - off; }
else { tex.y2 = 1.0f - m_begin; tex.y1 = tex.y2 - value * scale; }
m_bar.drawCropped(dim, tex);
}
break;
case CIRCULAR:
{
UseTexture texblock(m_bar);
throw std::logic_error("ProgressBar::draw(): CIRCULAR not implemented yet"); // TODO: Implement
}
break;
default: throw std::logic_error("ProgressBar::draw(): unknown m_mode value");
}
// Reset dimensions due to async image loading
dimensions = m_bg.dimensions;
}
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