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#include "viewport.hpp"
#include "../drape/glfunctions.hpp"
namespace df
{
Viewport::Viewport(float pixelRatio,
uint32_t x0, uint32_t y0,
uint32_t w, uint32_t h)
: m_pixelRatio(pixelRatio)
, m_zero(x0, y0)
, m_size(w, h)
{
}
void Viewport::SetViewport(uint32_t x0, uint32_t y0, uint32_t w, uint32_t h)
{
m_zero = m2::PointU(x0 ,y0);
m_size = m2::PointU(w, h);
}
uint32_t Viewport::GetLogicX0() const
{
return m_zero.x;
}
uint32_t Viewport::GetLogicY0() const
{
return m_zero.y;
}
uint32_t Viewport::GetLogicWidth() const
{
return m_size.x;
}
uint32_t Viewport::GetLogicHeight() const
{
return m_size.y;
}
uint32_t Viewport::GetX0() const
{
return GetLogicX0() * m_pixelRatio;
}
uint32_t Viewport::GetY0() const
{
return GetLogicY0() * m_pixelRatio;
}
uint32_t Viewport::GetWidth() const
{
return GetLogicWidth() * m_pixelRatio;
}
uint32_t Viewport::GetHeight() const
{
return GetLogicHeight() * m_pixelRatio;
}
float Viewport::GetPixelRatio() const
{
return m_pixelRatio;
}
void Viewport::Apply() const
{
GLFunctions::glViewport(GetX0(), GetY0(), GetWidth(), GetHeight());
}
} // namespace df
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