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#define OGL2D_IMPLEMENT
#include "je_gl.h"
#include "je_color.h"
using namespace JinEngine::Math;
namespace JinEngine
{
namespace Graphics
{
OpenGL gl;
OpenGL::OpenGL()
: ogl2d::OpenGL()
{
mMatrices.push_back(Matrix());
calcMatrix();
}
void OpenGL::setColor(Channel r, Channel g, Channel b, Channel a)
{
setColor(Color(r, g, b, a));
}
void OpenGL::setColor(Color c)
{
mCurrentColor = c;
glColor4f(c.r / 255.f, c.g / 255.f, c.b / 255.f, c.a / 255.f);
}
Color OpenGL::getColor()
{
return mCurrentColor;
}
void OpenGL::clearMatrix()
{
mMatrices.clear();
mMatrices.push_back(Matrix());
mMatrix.setIdentity();
}
void OpenGL::push()
{
mMatrices.push_back(Matrix());
}
void OpenGL::pop()
{
if (mMatrices.size() == 1)
return;
mMatrices.pop_back();
calcMatrix();
}
void OpenGL::calcMatrix()
{
mMatrix.setIdentity();
for (Matrix& m : mMatrices)
mMatrix *= m;
}
void OpenGL::translate(float x, float y)
{
if (mMatrices.size() == 1)
return;
Matrix& m = mMatrices.back();
m.translate(x, y);
mMatrix.translate(x, y);
}
void OpenGL::scale(float sx, float sy)
{
if (mMatrices.size() == 1)
return;
Matrix& m = mMatrices.back();
m.scale(sx, sy);
mMatrix.scale(sx, sy);
}
void OpenGL::rotate(float r)
{
if (mMatrices.size() == 1)
return;
Matrix& m = mMatrices.back();
m.rotate(r);
mMatrix.rotate(r);
}
} // namespace Graphics
} // namespace JinEngine
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