Mercurial > octave
view libgui/graphics/GLCanvas.cc @ 31808:90621682cc03
maint: Remove unnecessary indent after OCTAVE_BEGIN_NAMESPACE in libgui/
* BaseControl.cc, BaseControl.h, ButtonControl.cc, ButtonControl.h,
ButtonGroup.cc, ButtonGroup.h, Canvas.cc, Canvas.h, CheckBoxControl.cc,
CheckBoxControl.h, Container.cc, Container.h, ContextMenu.cc, ContextMenu.h,
EditControl.cc, EditControl.h, Figure.cc, Figure.h, GLCanvas.cc, GLCanvas.h,
ListBoxControl.cc, ListBoxControl.h, Menu.cc, Menu.h, Object.cc, Object.h,
Panel.cc, Panel.h, PopupMenuControl.cc, PopupMenuControl.h,
PushButtonControl.cc, PushButtonControl.h, PushTool.cc, PushTool.h,
RadioButtonControl.cc, RadioButtonControl.h, SliderControl.cc, SliderControl.h,
Table.cc, Table.h, TextControl.cc, TextControl.h, ToggleButtonControl.cc,
ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h, ToolBar.cc, ToolBar.h,
ToolBarButton.cc, ToolBarButton.h, qt-graphics-toolkit.cc,
qt-graphics-toolkit.h, command-widget.cc, command-widget.h, community-news.cc,
community-news.h, dialog.cc, dialog.h, documentation-bookmarks.cc,
documentation-bookmarks.h, documentation-dock-widget.cc,
documentation-dock-widget.h, documentation.cc, documentation.h,
dw-main-window.cc, dw-main-window.h, external-editor-interface.cc,
external-editor-interface.h, files-dock-widget.cc, files-dock-widget.h,
find-files-dialog.cc, find-files-dialog.h, graphics-init.cc, graphics-init.h,
gui-settings.cc, gui-settings.h, history-dock-widget.cc, history-dock-widget.h,
interpreter-qobject.cc, file-editor-interface.h, file-editor-tab.cc,
file-editor-tab.h, file-editor.cc, file-editor.h, find-dialog.cc,
find-dialog.h, octave-qscintilla.cc, main-window.cc, main-window.h,
news-reader.cc, news-reader.h, octave-dock-widget.cc, octave-dock-widget.h,
octave-qobject.cc, qt-application.cc, qt-application.h,
qt-interpreter-events.cc, qt-interpreter-events.h, release-notes.cc,
release-notes.h, set-path-dialog.cc, set-path-dialog.h, settings-dialog.cc,
settings-dialog.h, terminal-dock-widget.cc, terminal-dock-widget.h,
variable-editor.cc, variable-editor.h, welcome-wizard.cc, welcome-wizard.h,
workspace-model.cc, workspace-model.h, workspace-view.cc, workspace-view.h:
maint: Remove unnecessary indent after OCTAVE_BEGIN_NAMESPACE in libgui/
author | Rik <rik@octave.org> |
---|---|
date | Thu, 02 Feb 2023 12:25:51 -0800 |
parents | 21f9b34eb893 |
children | 3648ff642964 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2011-2023 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // 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 // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include "GLCanvas.h" #include "gl-select.h" #include "gl-render.h" #include "gl2ps-print.h" #include "graphics.h" #include "interpreter.h" OCTAVE_BEGIN_NAMESPACE(octave) GLWidget::GLWidget (Canvas& parent_canvas, QWidget *parent) : QOpenGLWidget (parent), m_parent_canvas (parent_canvas), m_glfcns (), m_renderer (m_glfcns) { setFocusPolicy (Qt::ClickFocus); setFocus (); } GLWidget::~GLWidget () { } void GLWidget::initializeGL () { // The qopengl_functions object (part of Octave, not Qt) is just // wrapper around QOpenGLFunctions_1_1. Does initialization really // need to be deferred until initializeGL is called? m_glfcns.init (); // All other resources we need are currently (supposed to be) // managed by the QOpenGLWidget object so there is else nothing to // do here. If we used custom shader programs, then we would need // to initialize them here. } void GLWidget::draw (graphics_object go) { if (go) { begin_rendering (); unwind_action reset_current ([=] () { end_rendering (); }); graphics_object fig = go.get_ancestor ("figure"); double dpr = fig.get ("__device_pixel_ratio__").double_value (); m_renderer.set_viewport (dpr * width (), dpr * height ()); m_renderer.set_device_pixel_ratio (dpr); m_renderer.draw (go); } } uint8NDArray GLWidget::do_getPixels (graphics_object go) { uint8NDArray retval; if (go && go.isa ("figure")) { Matrix pos = go.get ("position").matrix_value (); double dpr = go.get ("__device_pixel_ratio__").double_value (); pos(2) *= dpr; pos(3) *= dpr; begin_rendering (); unwind_action reset_current ([=] () { end_rendering (); }); // When the figure is not visible or its size is frozen for printing, // we use a framebuffer object to make sure we are rendering on a // suitably large frame. if (go.get ("visible").string_value () == "off" || go.get ("__printing__").string_value () == "on") { QOpenGLFramebufferObject fbo (pos(2), pos(3), QOpenGLFramebufferObject::Attachment::Depth); fbo.bind (); unwind_action release_fbo ([&] () { fbo.release (); }); m_renderer.set_viewport (pos(2), pos(3)); m_renderer.set_device_pixel_ratio (dpr); m_renderer.draw (go); retval = m_renderer.get_pixels (pos(2), pos(3)); } else { m_renderer.set_viewport (pos(2), pos(3)); m_renderer.set_device_pixel_ratio (dpr); m_renderer.draw (go); retval = m_renderer.get_pixels (pos(2), pos(3)); } } return retval; } void GLWidget::do_print (const QString& file_cmd, const QString& term, graphics_object go) { if (go.valid_object ()) { begin_rendering (); unwind_action reset_current ([=] () { end_rendering (); }); graphics_object fig (go.get_ancestor ("figure")); if (fig.get ("visible").string_value () == "on") octave::gl2ps_print (m_glfcns, fig, file_cmd.toStdString (), term.toStdString ()); else { // When the figure is not visible, we use a framebuffer object // to make sure we are rendering on a suitably large frame. Matrix pos = fig.get ("position").matrix_value (); double dpr = fig.get ("__device_pixel_ratio__").double_value (); pos(2) *= dpr; pos(3) *= dpr; QOpenGLFramebufferObject fbo (pos(2), pos(3), QOpenGLFramebufferObject::Attachment::Depth); fbo.bind (); unwind_action release_fbo ([&] () { fbo.release (); }); octave::gl2ps_print (m_glfcns, fig, file_cmd.toStdString (), term.toStdString ()); } } } graphics_object GLWidget::selectFromAxes (const graphics_object& ax, const QPoint& pt) { if (ax) { begin_rendering (); unwind_action reset_current ([=] () { end_rendering (); }); octave::opengl_selector s (m_glfcns); s.set_viewport (width (), height ()); graphics_object go = s.select (ax, pt.x (), height () - pt.y (), octave::select_ignore_hittest); doneCurrent (); } return graphics_object (); } void GLWidget::drawZoomBox (const QPoint& p1, const QPoint& p2) { Matrix overlaycolor (3, 1); overlaycolor(0) = 0.45; overlaycolor(1) = 0.62; overlaycolor(2) = 0.81; double overlayalpha = 0.1; Matrix bordercolor = overlaycolor; double borderalpha = 0.9; double borderwidth = 1.5; m_renderer.draw_zoom_box (width (), height (), p1.x (), p1.y (), p2.x (), p2.y (), overlaycolor, overlayalpha, bordercolor, borderalpha, borderwidth); } void GLWidget::paintGL () { m_parent_canvas.canvasPaintEvent (); } void GLWidget::mouseDoubleClickEvent (QMouseEvent *xevent) { m_parent_canvas.canvasMouseDoubleClickEvent (xevent); } void GLWidget::mouseMoveEvent (QMouseEvent *xevent) { m_parent_canvas.canvasMouseMoveEvent (xevent); } void GLWidget::mousePressEvent (QMouseEvent *xevent) { m_parent_canvas.canvasMousePressEvent (xevent); } void GLWidget::mouseReleaseEvent (QMouseEvent *xevent) { m_parent_canvas.canvasMouseReleaseEvent (xevent); } void GLWidget::wheelEvent (QWheelEvent *xevent) { m_parent_canvas.canvasWheelEvent (xevent); } void GLWidget::keyPressEvent (QKeyEvent *xevent) { if (! m_parent_canvas.canvasKeyPressEvent (xevent)) QOpenGLWidget::keyPressEvent (xevent); } void GLWidget::keyReleaseEvent (QKeyEvent *xevent) { if (! m_parent_canvas.canvasKeyReleaseEvent (xevent)) QOpenGLWidget::keyReleaseEvent (xevent); } bool GLWidget::begin_rendering () { bool retval = true; if (! isValid ()) { // FIXME: Is this really the right way to manager offscreen // rendering for printing? static bool os_ctx_ok = true; if (os_ctx_ok && ! m_os_context.isValid ()) { // Try to initialize offscreen context m_os_surface.create (); if (! m_os_context.create ()) { os_ctx_ok = false; return false; } } retval = m_os_context.makeCurrent (&m_os_surface); } else makeCurrent (); return retval; } void GLWidget::end_rendering () { doneCurrent (); } GLCanvas::GLCanvas (octave::interpreter& interp, const graphics_handle& gh, QWidget *parent) : Canvas (interp, gh), m_glwidget (new GLWidget (*this, parent)) { } GLCanvas::~GLCanvas () { delete m_glwidget; } void GLCanvas::draw (const graphics_handle& gh) { gh_manager& gh_mgr = m_interpreter.get_gh_manager (); octave::autolock guard (gh_mgr.graphics_lock ()); graphics_object go = gh_mgr.get_object (gh); m_glwidget->draw (go); } uint8NDArray GLCanvas::do_getPixels (const graphics_handle& gh) { uint8NDArray retval; gh_manager& gh_mgr = m_interpreter.get_gh_manager (); graphics_object go = gh_mgr.get_object (gh); return m_glwidget->do_getPixels (go); } void GLCanvas::do_print (const QString& file_cmd, const QString& term, const graphics_handle& handle) { gh_manager& gh_mgr = m_interpreter.get_gh_manager (); octave::autolock guard (gh_mgr.graphics_lock ()); graphics_object go = gh_mgr.get_object (handle); try { m_glwidget->do_print (file_cmd, term, go); } catch (octave::execution_exception& ee) { emit interpreter_event ([=] () { // INTERPRETER THREAD throw ee; }); } } graphics_object GLCanvas::selectFromAxes (const graphics_object& ax, const QPoint& pt) { return m_glwidget->selectFromAxes (ax, pt); } void GLCanvas::drawZoomBox (const QPoint& p1, const QPoint& p2) { m_glwidget->drawZoomBox (p1, p2); } bool GLCanvas::begin_rendering () { return m_glwidget->begin_rendering (); } void GLCanvas::end_rendering () { m_glwidget->end_rendering (); } OCTAVE_END_NAMESPACE(octave)