Mercurial > octave-nkf
view libgui/graphics/GLCanvas.cc @ 18501:523878f76518 gui-release
style fix: eliminate lines of slashes to separate functions.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 20 Feb 2014 15:10:07 -0500 |
parents | 49877d3be064 |
children | dbb207d10d7c 709f3a77685d |
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/* Copyright (C) 2011-2014 Michael Goffioul This file is part of Octave. Octave 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 3 of the License, or (at your option) any later version. Octave 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 Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #ifdef HAVE_CONFIG_H #include <config.h> #endif #include "gl-render.h" #include "graphics.h" #include "GLCanvas.h" #include "gl-select.h" namespace QtHandles { GLCanvas::GLCanvas (QWidget* parent, const graphics_handle& handle) : QGLWidget (parent), Canvas (handle) { setFocusPolicy (Qt::ClickFocus); } GLCanvas::~GLCanvas (void) { } void GLCanvas::draw (const graphics_handle& handle) { graphics_object go = gh_manager::get_object (handle); if (go) { opengl_renderer r; r.set_viewport (width (), height ()); r.draw(go); } } graphics_object GLCanvas::selectFromAxes (const graphics_object& ax, const QPoint& pt) { makeCurrent (); if (ax) { opengl_selector s; s.set_viewport (width (), height ()); return s.select (ax, pt.x (), height () - pt.y ()); } return graphics_object (); } inline void glDrawZoomBox (const QPoint& p1, const QPoint& p2) { glVertex2d (p1.x (), p1.y ()); glVertex2d (p2.x (), p1.y ()); glVertex2d (p2.x (), p2.y ()); glVertex2d (p1.x (), p2.y ()); glVertex2d (p1.x (), p1.y ()); } void GLCanvas::drawZoomBox (const QPoint& p1, const QPoint& p2) { glPushMatrix (); glMatrixMode (GL_MODELVIEW); glLoadIdentity (); glMatrixMode (GL_PROJECTION); glLoadIdentity (); glOrtho (0, width (), height (), 0, 1, -1); glPushAttrib (GL_DEPTH_BUFFER_BIT | GL_CURRENT_BIT); glDisable (GL_DEPTH_TEST); glBegin (GL_POLYGON); glColor4f (0.45, 0.62, 0.81, 0.1); glDrawZoomBox (p1, p2); glEnd (); glBegin (GL_LINE_STRIP); glLineWidth (1.5); glColor4f (0.45, 0.62, 0.81, 0.9); glDrawZoomBox (p1, p2); glEnd (); glPopAttrib (); glPopMatrix (); } void GLCanvas::paintGL (void) { canvasPaintEvent (); } void GLCanvas::mouseMoveEvent (QMouseEvent* event) { canvasMouseMoveEvent (event); } void GLCanvas::mousePressEvent (QMouseEvent* event) { canvasMousePressEvent (event); } void GLCanvas::mouseReleaseEvent (QMouseEvent* event) { canvasMouseReleaseEvent (event); } void GLCanvas::keyPressEvent (QKeyEvent* event) { if (! canvasKeyPressEvent (event)) QGLWidget::keyPressEvent (event); } void GLCanvas::keyReleaseEvent (QKeyEvent* event) { if (! canvasKeyReleaseEvent (event)) QGLWidget::keyReleaseEvent (event); } }; // namespace QtHandles