lib_ui/ui/gl/gl_math.cpp
2021-06-07 18:31:11 +04:00

36 lines
857 B
C++

// This file is part of Desktop App Toolkit,
// a set of libraries for developing nice desktop applications.
//
// For license and copyright information please follow this link:
// https://github.com/desktop-app/legal/blob/master/LEGAL
//
#include "ui/gl/gl_math.h"
namespace Ui::GL {
QVector4D Uniform(const QRect &rect, float factor) {
return QVector4D(
rect.x() * factor,
rect.y() * factor,
rect.width() * factor,
rect.height() * factor);
}
QVector4D Uniform(const Rect &rect) {
return QVector4D(rect.x(), rect.y(), rect.width(), rect.height());
}
QSizeF Uniform(QSize size) {
return size;
}
Rect TransformRect(const Rect &raster, QSize viewport, float factor) {
return {
raster.left() * factor,
float(viewport.height() - raster.bottom()) * factor,
raster.width() * factor,
raster.height() * factor,
};
}
} // namespace Ui::GL