bioformats  5.1.0
GLView2D.h
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3  * OME-QTWIDGETS C++ library for display of Bio-Formats pixel data and metadata.
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38 
39 #ifndef OME_QTWIDGETS_GLVIEW2D_H
40 #define OME_QTWIDGETS_GLVIEW2D_H
41 
42 #include <ome/bioformats/FormatReader.h>
43 
44 #include <ome/compat/memory.h>
45 
46 #include <ome/qtwidgets/GLWindow.h>
47 #include <ome/qtwidgets/gl/Image2D.h>
48 #include <ome/qtwidgets/gl/Grid2D.h>
49 #include <ome/qtwidgets/gl/Axis2D.h>
50 
51 #include <QElapsedTimer>
52 
53 #include <glm/glm.hpp>
54 
55 namespace ome
56 {
57  namespace qtwidgets
58  {
59 
63  class GLView2D : public GLWindow
64  {
65  Q_OBJECT
66 
67  public:
69  enum MouseMode
70  {
74  };
75 
85  GLView2D(ome::compat::shared_ptr<ome::bioformats::FormatReader> reader,
87  QWidget *parent = 0);
88 
90  ~GLView2D();
91 
97  QSize minimumSizeHint() const;
98 
104  QSize sizeHint() const;
105 
106  public slots:
112  void
113  setZoom(int zoom);
114 
120  void
121  setXTranslation(int xtran);
122 
128  void
129  setYTranslation(int ytran);
130 
136  void
137  setZRotation(int angle);
138 
144  void
145  setChannelMin(int min);
146 
152  void
153  setChannelMax(int max);
154 
160  void
162 
168  void
169  setMouseMode(MouseMode mode);
170 
171  public:
177  ome::compat::shared_ptr<ome::bioformats::FormatReader>
178  getReader();
179 
186  getSeries();
187 
193  int
194  getZoom() const;
195 
201  int
202  getXTranslation() const;
203 
209  int
210  getYTranslation() const;
211 
217  int
218  getZRotation() const;
219 
225  int
226  getChannelMin() const;
227 
233  int
234  getChannelMax() const;
235 
242  getPlane() const;
243 
249  MouseMode
250  getMouseMode() const;
251 
252  signals:
258  void
259  zoomChanged(int zoom);
260 
266  void
267  xTranslationChanged(int xtran);
268 
274  void
275  yTranslationChanged(int ytran);
276 
282  void
283  zRotationChanged(int angle);
284 
290  void
291  channelMinChanged(int min);
292 
298  void
299  channelMaxChanged(int max);
300 
306  void
308 
309  protected:
311  void
312  initialize();
313 
314  using GLWindow::render;
315 
317  void
318  render();
319 
321  void
322  resize();
323 
331  void
332  mousePressEvent(QMouseEvent *event);
333 
341  void
342  mouseMoveEvent(QMouseEvent *event);
343 
351  void
352  timerEvent (QTimerEvent *event);
353 
354  private:
358  struct Camera
359  {
362  {
365  };
366 
367  Camera():
369  zoom(0),
370  xTran(0),
371  yTran(0),
372  zRot(0),
373  model(1.0f),
374  view(1.0f),
375  projection(1.0f)
376  {}
377 
381  int zoom;
383  int xTran;
385  int yTran;
387  int zRot;
389  glm::mat4 model;
391  glm::mat4 view;
393  glm::mat4 projection;
394 
403  float
404  zoomfactor() const
405  {
406  return std::pow(10.0f, static_cast<float>(zoom)/1024.0f);
407  }
408 
414  float
415  rotation() const
416  {
417  return glm::radians(-static_cast<float>(zRot)/16.0f);
418  }
419 
428  glm::mat4
429  mvp() const
430  {
431  return projection * view * model;
432  }
433  };
434 
440  QElapsedTimer etimer;
442  glm::vec3 cmin;
444  glm::vec3 cmax;
450  QPoint lastPos;
458  ome::compat::shared_ptr<ome::bioformats::FormatReader> reader;
461  };
462 
463  }
464 }
465 
466 #endif // OME_QTWIDGETS_GLVIEW2D_H
467 
468 /*
469  * Local Variables:
470  * mode:C++
471  * End:
472  */
glm::mat4 view
Current view.
Definition: GLView2D.h:391
ome::bioformats::dimension_size_type getSeries()
Get series.
Definition: GLView2D.cpp:116
int yTran
y translation.
Definition: GLView2D.h:385
Perspective projection.
Definition: GLView2D.h:364
void timerEvent(QTimerEvent *event)
Handle timer events.
Definition: GLView2D.cpp:351
glm::mat4 model
Current model.
Definition: GLView2D.h:389
void channelMaxChanged(int max)
Signal maximum value for linear contrast changed.
float zoomfactor() const
Get zoom factor.
Definition: GLView2D.h:404
Memory type substitution.
void mouseMoveEvent(QMouseEvent *event)
Handle mouse button movement events.
Definition: GLView2D.cpp:327
int getChannelMax() const
Get maximum value for linear contrast (all channels).
Definition: GLView2D.cpp:152
2D (xy) axis renderer.
Definition: Axis2D.h:68
ProjectionType
Projection type.
Definition: GLView2D.h:361
glm::vec3 cmax
Maximum level for linear contrast.
Definition: GLView2D.h:444
void resize()
Resize the view.
Definition: GLView2D.cpp:311
ome::bioformats::dimension_size_type oldplane
Previous plane.
Definition: GLView2D.h:448
ProjectionType projectionType
Projection type.
Definition: GLView2D.h:379
int getXTranslation() const
Get x translation factor.
Definition: GLView2D.cpp:128
2D (xy) grid renderer.
Definition: Grid2D.h:66
Pan in x and y.
Definition: GLView2D.h:72
MouseMode getMouseMode() const
Get mouse behaviour mode.
Definition: GLView2D.cpp:211
ome::bioformats::dimension_size_type plane
Current plane.
Definition: GLView2D.h:446
QSize sizeHint() const
Get window size hint.
Definition: GLView2D.cpp:96
QSize minimumSizeHint() const
Get window minimum size hint.
Definition: GLView2D.cpp:91
int zRot
Rotation factor.
Definition: GLView2D.h:387
QPoint lastPos
Last mouse position.
Definition: GLView2D.h:450
glm::vec3 cmin
Minimum level for linear contrast.
Definition: GLView2D.h:442
ome::compat::shared_ptr< ome::bioformats::FormatReader > reader
The image reader.
Definition: GLView2D.h:458
2D GL view of an image with axes and gridlines.
Definition: GLView2D.h:63
Zoom in and out.
Definition: GLView2D.h:71
void setZRotation(int angle)
Set z rotation factor.
Definition: GLView2D.cpp:194
glm::mat4 projection
Current projection.
Definition: GLView2D.h:393
int xTran
x translation
Definition: GLView2D.h:383
ome::bioformats::dimension_size_type series
The image series.
Definition: GLView2D.h:460
ome::compat::shared_ptr< ome::bioformats::FormatReader > getReader()
Get reader.
Definition: GLView2D.cpp:110
int getChannelMin() const
Get minimum value for linear contrast (all channels).
Definition: GLView2D.cpp:146
void setPlane(ome::bioformats::dimension_size_type plane)
Set plane to render.
Definition: GLView2D.cpp:247
void setChannelMax(int max)
Set maximum value for linear contrast (all channels).
Definition: GLView2D.cpp:233
void zRotationChanged(int angle)
Signal z rotation changed.
Open Microscopy Environment C++ implementation.
Definition: CoreMetadata.cpp:40
bool event(QEvent *event)
Handle events.
Definition: GLWindow.cpp:113
int getZRotation() const
Get z rotation factor.
Definition: GLView2D.cpp:140
void zoomChanged(int zoom)
Signal zoom level changed.
QElapsedTimer etimer
Rendering timer.
Definition: GLView2D.h:440
glm::mat4 mvp() const
Get modelview projection matrix.
Definition: GLView2D.h:429
int getYTranslation() const
Get y translation factor.
Definition: GLView2D.cpp:134
Top level GL window.
Definition: GLWindow.h:65
ome::bioformats::dimension_size_type getPlane() const
Get plane to render.
Definition: GLView2D.cpp:158
virtual void render()
Render using OpenGL.
Definition: GLWindow.cpp:90
GLView2D(ome::compat::shared_ptr< ome::bioformats::FormatReader > reader, ome::bioformats::dimension_size_type series, QWidget *parent=0)
Create a 2D image view.
Definition: GLView2D.cpp:66
int zoom
Zoom factor.
Definition: GLView2D.h:381
float rotation() const
Get rotation factor.
Definition: GLView2D.h:415
void planeChanged(ome::bioformats::dimension_size_type plane)
Signal current plane changed.
void yTranslationChanged(int ytran)
Signal y translation changed.
int getZoom() const
Get zoom factor.
Definition: GLView2D.cpp:122
void setMouseMode(MouseMode mode)
Set mouse behaviour mode.
Definition: GLView2D.cpp:205
Camera (modelview projection matrix manipulation)
Definition: GLView2D.h:358
gl::Axis2D * axes
Axes to render.
Definition: GLView2D.h:454
gl::Image2D * image
Image to render.
Definition: GLView2D.h:452
Camera camera
Current projection.
Definition: GLView2D.h:436
void setYTranslation(int ytran)
Set y translation factor.
Definition: GLView2D.cpp:184
void setZoom(int zoom)
Set zoom factor.
Definition: GLView2D.cpp:164
void mousePressEvent(QMouseEvent *event)
Handle mouse button press events.
Definition: GLView2D.cpp:321
gl::Grid2D * grid
Grid to render.
Definition: GLView2D.h:456
Rotate around point in z.
Definition: GLView2D.h:73
void channelMinChanged(int min)
Signal minimum value for linear contrast changed.
void initialize()
Set up GL context and subsidiary objects.
Definition: GLView2D.cpp:258
MouseMode
Mouse behaviour.
Definition: GLView2D.h:69
void xTranslationChanged(int xtran)
Signal x translation changed.
void setChannelMin(int min)
Set minimum value for linear contrast (all channels).
Definition: GLView2D.cpp:219
2D (xy) image renderer.
Definition: Image2D.h:69
Orthographic projection.
Definition: GLView2D.h:363
std::size_t dimension_size_type
Size type for image dimensions.
Definition: Types.h:59
~GLView2D()
Destructor.
Definition: GLView2D.cpp:86
MouseMode mouseMode
Current mouse behaviour.
Definition: GLView2D.h:438
void setXTranslation(int xtran)
Set x translation factor.
Definition: GLView2D.cpp:174
void render()
Render the scene with the current view settings.
Definition: GLView2D.cpp:294