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#include "ImageViewer.hpp"
namespace MC::Util {
void ImageViewer::render(GFX::Actions& actions) {
// TODO: Re-add texture support
// TODO: Add orthographic camera support
actions.add({
.mesh = &m_mesh,
.program = GFX::Resources::Program::ImageViewer,
.transform = Transform(),
});
}
GFX::Mesh ImageViewer::create_mesh(Real window_aspect, U32 image_width, U32 image_height) {
auto aspect = (Real)image_width / image_height;
Real max_size = view_size * 0.8;
Real width = max_size * std::min(1.0, aspect);
Real height = max_size * std::min(1.0, 1/aspect);
Real x = (view_size * window_aspect - width) / 2.0f;
Real y = (view_size - height) / 2.0f;
return {{
std::vector<Vector<3, F32>>{
{x, y, 0.0f}, // top left
{x, y + height, 0.0f}, // bottom left
{x + width, y + height, 0.0f}, // bottom right
{x + width, y, 0.0f} // top right
},
std::vector<Vector<2, F32>>{
{0.0f, 0.0f},
{0.0f, 1.0f},
{1.0f, 1.0f},
{1.0f, 0.0f},
},
}, {0, 1, 2, 0, 2, 3}};
}
}
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