Mercurial > jwe > octave
view libgui/graphics/gl-select.cc @ 21203:710e700cdd7f
maint: Clean up naming and indentation of #ifdef blocks in libgui
Rename guard #ifdef names to use octave_ namespace prefix and file name.
Indent #ifdef blocks.
* Backend.cc, Backend.h, BaseControl.cc, BaseControl.h, ButtonControl.cc,
ButtonControl.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, FigureWindow.cc, FigureWindow.h,
GLCanvas.cc, GLCanvas.h, GenericEventNotify.h, KeyMap.cc, KeyMap.h,
ListBoxControl.cc, ListBoxControl.h, Logger.cc, Logger.h, Menu.cc, Menu.h,
MenuContainer.h, MouseModeActionGroup.cc, MouseModeActionGroup.h, Object.cc,
Object.h, ObjectFactory.cc, ObjectFactory.h, ObjectProxy.cc, ObjectProxy.h,
Panel.cc, Panel.h, PopupMenuControl.cc, PopupMenuControl.h,
PushButtonControl.cc, PushButtonControl.h, PushTool.cc, PushTool.h,
QtHandlesUtils.cc, QtHandlesUtils.h, RadioButtonControl.cc,
RadioButtonControl.h, SliderControl.cc, SliderControl.h, TextControl.cc,
TextControl.h, TextEdit.cc, TextEdit.h, ToggleButtonControl.cc,
ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h, ToolBar.cc, ToolBar.h,
ToolBarButton.cc, ToolBarButton.h, __init_qt__.cc, __init_qt__.h,
annotation-dialog.cc, annotation-dialog.h, gl-select.cc, gl-select.h,
color-picker.cc, color-picker.h, dialog.cc, documentation-dock-widget.cc,
documentation-dock-widget.h, files-dock-widget.cc, files-dock-widget.h,
find-files-dialog.cc, find-files-dialog.h, find-files-model.cc,
find-files-model.h, history-dock-widget.cc, history-dock-widget.h,
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,
octave-txt-lexer.cc, main-window.cc, octave-cmd.cc, octave-dock-widget.cc,
octave-gui.cc, octave-interpreter.cc, octave-interpreter.h, octave-qt-link.cc,
octave-qt-link.h, parser.cc, webinfo.cc, resource-manager.cc,
resource-manager.h, settings-dialog.cc, settings-dialog.h, shortcut-manager.cc,
shortcut-manager.h, terminal-dock-widget.cc, terminal-dock-widget.h,
thread-manager.cc, welcome-wizard.cc, welcome-wizard.h, workspace-model.cc,
workspace-view.cc:
Clean up naming and indentation of #ifdef blocks in libgui.
author | Rik <rik@octave.org> |
---|---|
date | Sat, 06 Feb 2016 07:32:37 -0800 |
parents | bd96c2efd4fe |
children | 67d2965af0b5 |
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/* Copyright (C) 2011-2015 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 #include <iostream> #include "gl-select.h" void opengl_selector::apply_pick_matrix (void) { GLdouble p_matrix[16]; GLint viewport[4]; glGetDoublev (GL_PROJECTION_MATRIX, p_matrix); glGetIntegerv (GL_VIEWPORT, viewport); glMatrixMode (GL_PROJECTION); glLoadIdentity (); gluPickMatrix (xp, yp, size, size, viewport); glMultMatrixd (p_matrix); glMatrixMode (GL_MODELVIEW); } void opengl_selector::setup_opengl_transformation (const axes::properties& props) { opengl_renderer::setup_opengl_transformation (props); apply_pick_matrix (); } void opengl_selector::init_marker (const std::string& m, double sz, float width) { opengl_renderer::init_marker (m, sz, width); apply_pick_matrix (); } # define BUFFER_SIZE 128 graphics_object opengl_selector::select (const graphics_object& ax, int x, int y, int flags) { glEnable (GL_DEPTH_TEST); glDepthFunc (GL_LEQUAL); xp = x; yp = y; GLuint select_buffer[BUFFER_SIZE]; glSelectBuffer (BUFFER_SIZE, select_buffer); glRenderMode (GL_SELECT); glInitNames (); object_map.clear (); draw (ax); int hits = glRenderMode (GL_RENDER); graphics_object obj; if (hits > 0) { GLuint current_minZ = 0xffffffff; GLuint current_name = 0xffffffff; for (int i = 0, j = 0; i < hits && j < BUFFER_SIZE-3; i++) { GLuint n = select_buffer[j++], minZ = select_buffer[j++]; j++; // skip maxZ if (((flags & select_last) == 0 && (minZ <= current_minZ)) || ((flags & select_last) != 0 && (minZ >= current_minZ))) { bool candidate = true; GLuint name = select_buffer[std::min (j + n, GLuint (BUFFER_SIZE)) - 1]; if ((flags & select_ignore_hittest) == 0) { graphics_object go = object_map[name]; if (! go.get_properties ().is_hittest ()) candidate = false; } if (candidate) { current_minZ = minZ; current_name = name; } j += n; } else j += n; } if (current_name != 0xffffffff) obj = object_map[current_name]; } else if (hits < 0) warning ("opengl_selector::select: selection buffer overflow"); object_map.clear (); return obj; } void opengl_selector::draw (const graphics_object& go, bool toplevel) { GLuint name = object_map.size (); object_map[name] = go; glPushName (name); opengl_renderer::draw (go, toplevel); glPopName (); } void opengl_selector::fake_text (double x, double y, double z, const Matrix& bbox, bool use_scale) { ColumnVector xpos, xp1, xp2; xpos = get_transform ().transform (x, y, z, use_scale); xp1 = xp2 = xpos; xp1(0) += bbox(0); xp1(1) -= bbox(1); xp2(0) += (bbox(0) + bbox(2)); xp2(1) -= (bbox(1) + bbox(3)); ColumnVector p1, p2, p3, p4; p1 = get_transform ().untransform (xp1(0), xp1(1), xp1(2), false); p2 = get_transform ().untransform (xp2(0), xp1(1), xp1(2), false); p3 = get_transform ().untransform (xp2(0), xp2(1), xp1(2), false); p4 = get_transform ().untransform (xp1(0), xp2(1), xp1(2), false); glBegin (GL_QUADS); glVertex3dv (p1.data ()); glVertex3dv (p2.data ()); glVertex3dv (p3.data ()); glVertex3dv (p4.data ()); glEnd (); } void opengl_selector::draw_text (const text::properties& props) { if (props.get_string ().is_empty ()) return; Matrix pos = props.get_data_position (); const Matrix bbox = props.get_extent_matrix (); fake_text (pos(0), pos(1), pos.numel () > 2 ? pos(2) : 0.0, bbox); } Matrix opengl_selector::render_text (const std::string& txt, double x, double y, double z, int halign, int valign, double rotation) { #if HAVE_FREETYPE uint8NDArray pixels; Matrix bbox; // FIXME: probably more efficient to only compute bbox instead // of doing full text rendering... text_to_pixels (txt, pixels, bbox, halign, valign, rotation); fake_text (x, y, z, bbox, false); return bbox; #else return Matrix (1, 4, 0.0); #endif } void opengl_selector::draw_image (const image::properties& props) { Matrix xd = props.get_xdata ().matrix_value (); octave_idx_type nc = props.get_cdata ().columns (); double x_pix_size = (nc == 1 ? 1 : (xd(1) - xd(0)) / (nc - 1)); Matrix yd = props.get_ydata ().matrix_value (); octave_idx_type nr = props.get_cdata ().rows (); double y_pix_size = (nr == 1 ? 1 : (yd(1) - yd(0)) / (nr - 1)); ColumnVector p1(3, 0.0), p2(3, 0.0), p3(3, 0.0), p4(3, 0.0); p1(0) = xd(0) - x_pix_size/2; p1(1) = yd(0) - y_pix_size/2; p2(0) = xd(1) + x_pix_size/2; p2(1) = yd(0) - y_pix_size/2; p3(0) = xd(1) + x_pix_size/2; p3(1) = yd(1) + y_pix_size/2; p4(0) = xd(0) - x_pix_size/2; p4(1) = yd(1) + y_pix_size/2; glBegin (GL_QUADS); glVertex3dv (p1.data ()); glVertex3dv (p2.data ()); glVertex3dv (p3.data ()); glVertex3dv (p4.data ()); glEnd (); }