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| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2012-07-11 14:15:27 -0500 |
|---|---|---|
| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2012-07-11 14:15:27 -0500 |
| commit | b85a292ce06475d560bfa1195b63a8bfe211f22d (patch) | |
| tree | 463d71be55ff807513139f1de106aef6bdd7b4db /lib/tqwtplot3d/src/qwt3d_drawable.cpp | |
| parent | ce039289815e2802fdeca8d384126c807ca9cb58 (diff) | |
| download | ulab-b85a292ce06475d560bfa1195b63a8bfe211f22d.tar.gz ulab-b85a292ce06475d560bfa1195b63a8bfe211f22d.zip | |
Add 0.2.7 release of qwtplot3d for future TQt3 conversion and use
Diffstat (limited to 'lib/tqwtplot3d/src/qwt3d_drawable.cpp')
| -rw-r--r-- | lib/tqwtplot3d/src/qwt3d_drawable.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/lib/tqwtplot3d/src/qwt3d_drawable.cpp b/lib/tqwtplot3d/src/qwt3d_drawable.cpp new file mode 100644 index 0000000..4025817 --- /dev/null +++ b/lib/tqwtplot3d/src/qwt3d_drawable.cpp @@ -0,0 +1,140 @@ +#include "qwt3d_drawable.h"
+
+using namespace Qwt3D;
+
+Drawable::~Drawable()
+{
+ detachAll();
+}
+
+void Drawable::saveGLState()
+{
+ glGetBooleanv(GL_LINE_SMOOTH, &ls);
+ glGetBooleanv(GL_POLYGON_SMOOTH, &pols);
+ glGetFloatv(GL_LINE_WIDTH, &lw);
+ glGetIntegerv(GL_BLEND_SRC, &blsrc);
+ glGetIntegerv(GL_BLEND_DST, &bldst);
+ glGetDoublev(GL_CURRENT_COLOR, col);
+ glGetIntegerv(GL_LINE_STIPPLE_PATTERN, &pattern);
+ glGetIntegerv(GL_LINE_STIPPLE_REPEAT, &factor);
+ glGetBooleanv(GL_LINE_STIPPLE, &sallowed);
+ glGetBooleanv(GL_TEXTURE_2D, &tex2d);
+ glGetIntegerv(GL_POLYGON_MODE, polmode);
+ glGetIntegerv(GL_MATRIX_MODE, &matrixmode);
+ glGetFloatv(GL_POLYGON_OFFSET_FACTOR, &poloffs[0]);
+ glGetFloatv(GL_POLYGON_OFFSET_UNITS, &poloffs[1]);
+ glGetBooleanv(GL_POLYGON_OFFSET_FILL, &poloffsfill);
+}
+
+void Drawable::restoreGLState()
+{
+ Enable(GL_LINE_SMOOTH, ls);
+ Enable(GL_POLYGON_SMOOTH, pols);
+
+ setDeviceLineWidth(lw);
+ glBlendFunc(blsrc, bldst);
+ glColor4dv(col);
+
+ glLineStipple(factor,pattern);
+ Enable(GL_LINE_STIPPLE,sallowed);
+ Enable(GL_TEXTURE_2D,tex2d);
+ glPolygonMode(polmode[0], polmode[1]);
+ glMatrixMode(matrixmode);
+ glPolygonOffset(poloffs[0], poloffs[1]);
+ setDevicePolygonOffset(poloffs[0], poloffs[1]);
+
+ Enable(GL_POLYGON_OFFSET_FILL, poloffsfill);
+}
+
+void Drawable::Enable(GLenum what, GLboolean val)
+{
+ if (val)
+ glEnable(what);
+ else
+ glDisable(what);
+}
+
+void Drawable::attach(Drawable* dr)
+{
+ if ( dlist.end() == std::find( dlist.begin(), dlist.end(), dr ) )
+ if (dr)
+ {
+ dlist.push_back(dr);
+ }
+}
+
+void Drawable::detach(Drawable* dr)
+{
+ std::list<Drawable*>::iterator it = std::find(dlist.begin(), dlist.end(), dr);
+
+ if ( it != dlist.end() )
+ {
+ dlist.erase(it);
+ }
+}
+void Drawable::detachAll()
+{
+ dlist.clear();
+}
+
+
+//! simplified glut routine (glUnProject): windows coordinates_p --> object coordinates_p
+/**
+ Don't rely on (use) this in display lists !
+*/
+Triple Drawable::ViewPort2World(Triple win, bool* err)
+{
+ Triple obj;
+
+ getMatrices(modelMatrix, projMatrix, viewport);
+ int res = gluUnProject(win.x, win.y, win.z, modelMatrix, projMatrix, viewport, &obj.x, &obj.y, &obj.z);
+
+ if (err)
+ *err = (res) ? false : true;
+ return obj;
+}
+
+//! simplified glut routine (glProject): object coordinates_p --> windows coordinates_p
+/**
+ Don't rely on (use) this in display lists !
+*/
+Triple Drawable::World2ViewPort(Triple obj, bool* err)
+{
+ Triple win;
+
+ getMatrices(modelMatrix, projMatrix, viewport);
+ int res = gluProject(obj.x, obj.y, obj.z, modelMatrix, projMatrix, viewport, &win.x, &win.y, &win.z);
+
+ if (err)
+ *err = (res) ? false : true;
+ return win;
+}
+
+/**
+ Don't rely on (use) this in display lists !
+*/
+Triple Drawable::relativePosition(Triple rel)
+{
+ return ViewPort2World(Triple((rel.x-viewport[0])*viewport[2],(rel.y-viewport[1])*viewport[3],rel.z));
+}
+
+void Drawable::draw()
+{
+ saveGLState();
+
+ for (std::list<Drawable*>::iterator it = dlist.begin(); it!=dlist.end(); ++it)
+ {
+ (*it)->draw();
+ }
+ restoreGLState();
+}
+
+void Drawable::setColor(double r, double g, double b, double a)
+{
+ color = RGBA(r,g,b,a);
+}
+
+void Drawable::setColor(RGBA rgba)
+{
+ color = rgba;
+}
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