OpenMesh: OpenMesh/Apps/QtViewer/MeshViewerWidget.hh Source File

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MeshViewerWidget.hh
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48
49 #ifndef OPENMESHAPPS_VIEWERWIDGET_HH
50 #define OPENMESHAPPS_VIEWERWIDGET_HH
51
52 //== INCLUDES =================================================================
53
54 #include <QWidget>
55 #include <QString>
56 #include <QMessageBox>
57 #include <QFileDialog>
58 #include <OpenMesh/Tools/Utils/getopt.h>
59 #include <OpenMesh/Tools/Utils/Timer.hh>
60 #include <OpenMesh/Apps/QtViewer/MeshViewerWidgetT.hh>
61 #include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>
62
63
64 //== CLASS DEFINITION =========================================================
65
66 using namespace OpenMesh;
67 using namespace OpenMesh::Attributes;
68
69 struct MyTraits : public OpenMesh::DefaultTraits
70 {
71 HalfedgeAttributes(OpenMesh::Attributes::PrevHalfedge);
72 };
73
74 typedef OpenMesh::TriMesh_ArrayKernelT<MyTraits> MyMesh;
75
76
77
78 //== CLASS DEFINITION =========================================================
79
80 class MeshViewerWidget : public MeshViewerWidgetT<MyMesh>
81 {
82 Q_OBJECT
83 public:
85 explicit MeshViewerWidget(QWidget* parent=0) : MeshViewerWidgetT<MyMesh>(parent)
86 {}
87 OpenMesh::IO::Options& options() { return _options; }
88 const OpenMesh::IO::Options& options() const { return _options; }
89 void setOptions(const OpenMesh::IO::Options& opts) { _options = opts; }
90
91 void open_mesh_gui(QString fname)
92 {
93 OpenMesh::Utils::Timer t;
94 t.start();
95 if ( fname.isEmpty() || !open_mesh(fname.toLocal8Bit(), _options) )
96 {
97 QString msg = "Cannot read mesh from file:\n '";
98 msg += fname;
99 msg += "'";
100 QMessageBox::critical( NULL, windowTitle(), msg);
101 }
102 t.stop();
103 std::cout << "Loaded mesh in ~" << t.as_string() << std::endl;
104 }
105 void open_texture_gui(QString fname)
106 {
107 if ( fname.isEmpty() || !open_texture( fname.toLocal8Bit() ) )
108 {
109 QString msg = "Cannot load texture image from file:\n '";
110 msg += fname;
111 msg += "'\n\nPossible reasons:\n";
112 msg += "- Mesh file didn't provide texture coordinates\n";
113 msg += "- Texture file does not exist\n";
114 msg += "- Texture file is not accessible.\n";
115 QMessageBox::warning( NULL, windowTitle(), msg );
116 }
117 }
118
119 public slots:
120 void query_open_mesh_file() {
121 QString fileName = QFileDialog::getOpenFileName(this,
122 tr("Open mesh file"),
123 tr(""),
124 tr("OBJ Files (*.obj);;"
125 "OFF Files (*.off);;"
126 "STL Files (*.stl);;"
127 "All Files (*)"));
128 if (!fileName.isEmpty())
129 open_mesh_gui(fileName);
130 }
131 void query_open_texture_file() {
132 QString fileName = QFileDialog::getOpenFileName(this,
133 tr("Open texture file"),
134 tr(""),
135 tr("PNG Files (*.png);;"
136 "BMP Files (*.bmp);;"
137 "GIF Files (*.gif);;"
138 "JPEG Files (*.jpg);;"
139 "TIFF Files (*.tif);;"
140 "All Files (*)"));
141 if (!fileName.isEmpty())
142 open_texture_gui(fileName);
143 }
144 private:
145 OpenMesh::IO::Options _options;
146 };
147
148
149 #endif
MeshViewerWidgetT
Definition: MeshViewerWidgetT.hh:76
HalfedgeAttributes
#define HalfedgeAttributes(_i)
Macro for defining the halfedge attributes. See Specifying your MyMesh.
Definition: Traits.hh:87
OpenMesh::Utils::Timer
Timer class.
Definition: Timer.hh:87
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::Utils::Timer::start
void start(void)
Start measurement.
OpenMesh::Utils::Timer::as_string
std::string as_string(Format format=Automatic)
Returns the measured time as a string.
MeshViewerWidget::MeshViewerWidget
MeshViewerWidget(QWidget *parent=0)
default constructor
Definition: MeshViewerWidget.hh:85
Timer.hh
A timer class.
OpenMesh::Attributes
This namespace holds per item attributes like normal/color.
OpenMesh::TriMesh_ArrayKernelT
Triangle mesh based on the ArrayKernel.
Definition: PolyMesh_ArrayKernelT.hh:78
OpenMesh::Utils::Timer::stop
void stop(void)
Stop measurement.
MeshViewerWidget
Definition: MeshViewerWidget.hh:80
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition: Options.hh:95
OpenMesh::PolyMesh_ArrayKernelT
Polygonal mesh based on the ArrayKernel.
Definition: PolyMesh_ArrayKernelT.hh:99
OpenMesh::DefaultTraits
Base class for all traits.
Definition: Traits.hh:126
OpenMesh::Attributes::PrevHalfedge
Add storage for previous halfedge (halfedges). The bit is set by default in the DefaultTraits.
Definition: Attributes.hh:89