klayout/src/plugins/tools/view_25d/lay_plugin/layD25ViewWidget.h

151 lines
3.4 KiB
C++

/*
KLayout Layout Viewer
Copyright (C) 2006-2020 Matthias Koefferlein
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef HDR_layD25ViewWidget
#define HDR_layD25ViewWidget
#include "dbPolygon.h"
#include "layD25MemChunks.h"
#include "layD25Camera.h"
#include <QOpenGLWidget>
#include <QOpenGLVertexArrayObject>
#include <QOpenGLBuffer>
#include <QOpenGLShaderProgram>
#include <QOpenGLFunctions>
#include <QMatrix4x4>
#include <QPoint>
#include <QVector3D>
#include <memory>
namespace db
{
class Layout;
class Cell;
}
namespace lay
{
class LayoutView;
class D25ViewWidget;
class D25InteractionMode
{
public:
D25InteractionMode (D25ViewWidget *widget);
virtual ~D25InteractionMode ();
D25ViewWidget *view () { return mp_view; }
virtual void mouse_move (QMouseEvent *event) = 0;
private:
D25ViewWidget *mp_view;
};
class D25ViewWidget
: public QOpenGLWidget,
private QOpenGLFunctions,
public D25Camera
{
Q_OBJECT
public:
D25ViewWidget (QWidget *parent);
~D25ViewWidget ();
void keyPressEvent (QKeyEvent *event);
void keyReleaseEvent (QKeyEvent *event);
void wheelEvent (QWheelEvent *event);
void mousePressEvent (QMouseEvent *event);
void mouseReleaseEvent (QMouseEvent *event);
void mouseMoveEvent (QMouseEvent *event);
bool attach_view(lay::LayoutView *view);
QVector3D hit_point_with_scene(const QVector3D &line_dir);
void refresh ();
void reset ();
QVector3D displacement () const { return m_displacement; }
void set_displacement (const QVector3D &d)
{
m_displacement = d;
refresh ();
}
double scale_factor () const { return m_scale_factor; }
void set_scale_factor (double f)
{
m_scale_factor = f;
refresh ();
}
signals:
void scale_factor_changed (double f);
protected:
virtual void camera_changed ();
virtual double aspect_ratio () const;
public slots:
void fit ();
private:
typedef lay::mem_chunks<GLfloat, 1024 * 18> chunks_type;
std::auto_ptr<D25InteractionMode> mp_mode;
QOpenGLShaderProgram *m_shapes_program, *m_gridplane_program;
double m_scale_factor;
QVector3D m_displacement;
lay::LayoutView *mp_view;
db::DBox m_bbox;
double m_zmin, m_zmax;
std::list<chunks_type> m_vertex_chunks;
struct LayerInfo {
const chunks_type *vertex_chunk;
GLfloat color [4];
};
std::list<LayerInfo> m_layers;
void initializeGL ();
void paintGL ();
void resizeGL (int w, int h);
bool prepare_view();
void render_layout (D25ViewWidget::chunks_type &chunks, const db::Layout &layout, const db::Cell &cell, unsigned int layer, double zstart, double zstop);
void render_polygon (D25ViewWidget::chunks_type &chunks, const db::Polygon &poly, double dbu, double zstart, double zstop);
void render_wall (D25ViewWidget::chunks_type &chunks, const db::Edge &poly, double dbu, double zstart, double zstop);
};
}
#endif