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CurveWidgetPrivate.cpp
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/* ***** BEGIN LICENSE BLOCK *****
* This file is part of Natron <https://natrongithub.github.io/>,
* (C) 2018-2021 The Natron developers
* (C) 2013-2018 INRIA and Alexandre Gauthier-Foichat
*
* Natron 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 2 of the License, or
* (at your option) any later version.
*
* Natron 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 Natron. If not, see <http://www.gnu.org/licenses/gpl-2.0.html>
* ***** END LICENSE BLOCK ***** */
// ***** BEGIN PYTHON BLOCK *****
// from <https://docs.python.org/3/c-api/intro.html#include-files>:
// "Since Python may define some pre-processor definitions which affect the standard headers on some systems, you must include Python.h before any standard headers are included."
#include <Python.h>
// ***** END PYTHON BLOCK *****
#include "CurveWidgetPrivate.h"
#include <cmath> // floor
#include <algorithm> // min, max
#include <stdexcept>
#include <QtCore/QThread>
#include <QApplication>
#include <QtCore/QDebug>
#include "Engine/Bezier.h"
#include "Engine/TimeLine.h"
#include "Engine/Settings.h"
#include "Engine/KnobTypes.h"
#include "Engine/Image.h" // Image::clamp
#include "Engine/Utils.h"
#include "Gui/ActionShortcuts.h"
#include "Gui/CurveEditor.h"
#include "Gui/CurveWidget.h"
#include "Gui/DopeSheetEditor.h"
#include "Gui/Gui.h"
#include "Gui/KnobGui.h"
#include "Gui/GuiAppInstance.h"
#include "Gui/GuiApplicationManager.h"
#include "Gui/Menu.h"
#include "Gui/ticks.h"
#define CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE 5 //maximum distance from a curve that accepts a mouse click
// (in widget pixels)
#define CURSOR_WIDTH 15
#define CURSOR_HEIGHT 8
#define BOUNDING_BOX_HANDLE_SIZE 4
#define AXIS_MAX 100000.
#define AXIS_MIN -100000.
NATRON_NAMESPACE_ENTER
CurveWidgetPrivate::CurveWidgetPrivate(Gui* gui,
CurveSelection* selectionModel,
TimeLinePtr timeline,
CurveWidget* widget)
: _lastMousePos()
, zoomCtx(0.000001, 1000000.)
, _state(eEventStateNone)
, _rightClickMenu( new Menu(widget) )
, _selectedCurveColor(255, 255, 89, 255)
, _nextCurveAddedColor()
, textRenderer()
, _font( new QFont(appFont, appFontSize) )
, _curves()
, _selectedKeyFrames()
, _mustSetDragOrientation(false)
, _mouseDragOrientation()
, _keyFramesClipBoard()
, _selectionRectangle()
, _dragStartPoint()
, _drawSelectedKeyFramesBbox(false)
, _selectedKeyFramesBbox()
, _selectedKeyFramesCrossVertLine()
, _selectedKeyFramesCrossHorizLine()
, _timeline(timeline)
, _timelineEnabled(false)
, _selectedDerivative()
, _evaluateOnPenUp(false)
, _keyDragLastMovement()
, _undoStack(new QUndoStack)
, _gui(gui)
, savedTexture(0)
, sizeH()
, zoomOrPannedSinceLastFit(false)
, _timelineTopPoly()
, _timelineBtmPoly()
, _widget(widget)
, _selectionModel(selectionModel)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
_nextCurveAddedColor.setHsv(200, 255, 255);
//_rightClickMenu->setFont( QFont(appFont,appFontSize) );
_gui->registerNewUndoStack( _undoStack.get() );
}
CurveWidgetPrivate::~CurveWidgetPrivate()
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
delete _font;
_curves.clear();
}
void
CurveWidgetPrivate::createMenu()
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
_rightClickMenu->clear();
Menu* fileMenu = new Menu(_rightClickMenu);
//fileMenu->setFont( QFont(appFont,appFontSize) );
fileMenu->setTitle( tr("File") );
_rightClickMenu->addAction( fileMenu->menuAction() );
Menu* editMenu = new Menu(_rightClickMenu);
//editMenu->setFont( QFont(appFont,appFontSize) );
editMenu->setTitle( tr("Edit") );
_rightClickMenu->addAction( editMenu->menuAction() );
Menu* interpMenu = new Menu(_rightClickMenu);
//interpMenu->setFont( QFont(appFont,appFontSize) );
interpMenu->setTitle( tr("Interpolation") );
_rightClickMenu->addAction( interpMenu->menuAction() );
Menu* viewMenu = new Menu(_rightClickMenu);
//viewMenu->setFont( QFont(appFont,appFontSize) );
viewMenu->setTitle( tr("View") );
_rightClickMenu->addAction( viewMenu->menuAction() );
CurveEditor* ce = 0;
if ( _widget->parentWidget() ) {
QWidget* parent = _widget->parentWidget()->parentWidget();
if (parent) {
if ( parent->objectName() == QString::fromUtf8("CurveEditor") ) {
ce = dynamic_cast<CurveEditor*>(parent);
}
}
}
Menu* predefMenu = 0;
if (ce) {
predefMenu = new Menu(_rightClickMenu);
predefMenu->setTitle( tr("Predefined") );
_rightClickMenu->addAction( predefMenu->menuAction() );
}
Menu* optionsMenu = new Menu(_rightClickMenu);
optionsMenu->setTitle( tr("Options") );
_rightClickMenu->addAction( optionsMenu->menuAction() );
QAction* exportCurveToAsciiAction = new QAction(tr("Export curve to ASCII file"), fileMenu);
QObject::connect( exportCurveToAsciiAction, SIGNAL(triggered()), _widget, SLOT(exportCurveToAscii()) );
fileMenu->addAction(exportCurveToAsciiAction);
QAction* importCurveFromAsciiAction = new QAction(tr("Import curve from ASCII file"), fileMenu);
QObject::connect( importCurveFromAsciiAction, SIGNAL(triggered()), _widget, SLOT(importCurveFromAscii()) );
fileMenu->addAction(importCurveFromAsciiAction);
QAction* deleteKeyFramesAction = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorRemoveKeys,
kShortcutDescActionCurveEditorRemoveKeys, editMenu);
deleteKeyFramesAction->setShortcut( QKeySequence(Qt::Key_Backspace) );
QObject::connect( deleteKeyFramesAction, SIGNAL(triggered()), _widget, SLOT(deleteSelectedKeyFrames()) );
editMenu->addAction(deleteKeyFramesAction);
QAction* copyKeyFramesAction = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorCopy,
kShortcutDescActionCurveEditorCopy, editMenu);
copyKeyFramesAction->setShortcut( QKeySequence(Qt::CTRL + Qt::Key_C) );
QObject::connect( copyKeyFramesAction, SIGNAL(triggered()), _widget, SLOT(copySelectedKeyFramesToClipBoard()) );
editMenu->addAction(copyKeyFramesAction);
QAction* pasteKeyFramesAction = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorPaste,
kShortcutDescActionCurveEditorPaste, editMenu);
pasteKeyFramesAction->setShortcut( QKeySequence(Qt::CTRL + Qt::Key_V) );
QObject::connect( pasteKeyFramesAction, SIGNAL(triggered()), _widget, SLOT(pasteKeyFramesFromClipBoardToSelectedCurve()) );
editMenu->addAction(pasteKeyFramesAction);
QAction* selectAllAction = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorSelectAll,
kShortcutDescActionCurveEditorSelectAll, editMenu);
selectAllAction->setShortcut( QKeySequence(Qt::CTRL + Qt::Key_A) );
QObject::connect( selectAllAction, SIGNAL(triggered()), _widget, SLOT(selectAllKeyFrames()) );
editMenu->addAction(selectAllAction);
QAction* constantInterp = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorConstant,
kShortcutDescActionCurveEditorConstant, interpMenu);
constantInterp->setShortcut( QKeySequence(Qt::Key_K) );
QObject::connect( constantInterp, SIGNAL(triggered()), _widget, SLOT(constantInterpForSelectedKeyFrames()) );
interpMenu->addAction(constantInterp);
QAction* linearInterp = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorLinear,
kShortcutDescActionCurveEditorLinear, interpMenu);
linearInterp->setShortcut( QKeySequence(Qt::Key_L) );
QObject::connect( linearInterp, SIGNAL(triggered()), _widget, SLOT(linearInterpForSelectedKeyFrames()) );
interpMenu->addAction(linearInterp);
QAction* smoothInterp = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorSmooth,
kShortcutDescActionCurveEditorSmooth, interpMenu);
smoothInterp->setShortcut( QKeySequence(Qt::Key_Z) );
QObject::connect( smoothInterp, SIGNAL(triggered()), _widget, SLOT(smoothForSelectedKeyFrames()) );
interpMenu->addAction(smoothInterp);
QAction* catmullRomInterp = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorCatmullrom,
kShortcutDescActionCurveEditorCatmullrom, interpMenu);
catmullRomInterp->setShortcut( QKeySequence(Qt::Key_R) );
QObject::connect( catmullRomInterp, SIGNAL(triggered()), _widget, SLOT(catmullromInterpForSelectedKeyFrames()) );
interpMenu->addAction(catmullRomInterp);
QAction* cubicInterp = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorCubic,
kShortcutDescActionCurveEditorCubic, interpMenu);
cubicInterp->setShortcut( QKeySequence(Qt::Key_C) );
QObject::connect( cubicInterp, SIGNAL(triggered()), _widget, SLOT(cubicInterpForSelectedKeyFrames()) );
interpMenu->addAction(cubicInterp);
QAction* horizontalInterp = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorHorizontal,
kShortcutDescActionCurveEditorHorizontal, interpMenu);
horizontalInterp->setShortcut( QKeySequence(Qt::Key_H) );
QObject::connect( horizontalInterp, SIGNAL(triggered()), _widget, SLOT(horizontalInterpForSelectedKeyFrames()) );
interpMenu->addAction(horizontalInterp);
QAction* breakDerivatives = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorBreak,
kShortcutDescActionCurveEditorBreak, interpMenu);
breakDerivatives->setShortcut( QKeySequence(Qt::Key_X) );
QObject::connect( breakDerivatives, SIGNAL(triggered()), _widget, SLOT(breakDerivativesForSelectedKeyFrames()) );
interpMenu->addAction(breakDerivatives);
QAction* frameAll = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorCenterAll,
kShortcutDescActionCurveEditorCenterAll, interpMenu);
frameAll->setShortcut( QKeySequence(Qt::Key_A) );
QObject::connect( frameAll, SIGNAL(triggered()), _widget, SLOT(frameAll()) );
viewMenu->addAction(frameAll);
QAction* frameCurve = new ActionWithShortcut(kShortcutGroupCurveEditor, kShortcutIDActionCurveEditorCenter,
kShortcutDescActionCurveEditorCenter, interpMenu);
frameCurve->setShortcut( QKeySequence(Qt::Key_F) );
QObject::connect( frameCurve, SIGNAL(triggered()), _widget, SLOT(frameSelectedCurve()) );
viewMenu->addAction(frameCurve);
if (predefMenu) {
QAction* loop = new QAction(tr("Loop"), _rightClickMenu);
QObject::connect( loop, SIGNAL(triggered()), _widget, SLOT(loopSelectedCurve()) );
predefMenu->addAction(loop);
QAction* reverse = new QAction(tr("Reverse"), _rightClickMenu);
QObject::connect( reverse, SIGNAL(triggered()), _widget, SLOT(reverseSelectedCurve()) );
predefMenu->addAction(reverse);
QAction* negate = new QAction(tr("Negate"), _rightClickMenu);
QObject::connect( negate, SIGNAL(triggered()), _widget, SLOT(negateSelectedCurve()) );
predefMenu->addAction(negate);
}
QAction* updateOnPenUp = new QAction(tr("Update on mouse release only"), _rightClickMenu);
updateOnPenUp->setCheckable(true);
updateOnPenUp->setChecked( appPTR->getCurrentSettings()->getRenderOnEditingFinishedOnly() );
optionsMenu->addAction(updateOnPenUp);
QObject::connect( updateOnPenUp, SIGNAL(triggered()), _widget, SLOT(onUpdateOnPenUpActionTriggered()) );
} // createMenu
void
CurveWidgetPrivate::drawSelectionRectangle(double screenPixelRatio)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
assert( QGLContext::currentContext() == _widget->context() );
{
GLProtectAttrib a(GL_HINT_BIT | GL_ENABLE_BIT | GL_LINE_BIT | GL_COLOR_BUFFER_BIT | GL_CURRENT_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_LINE_SMOOTH);
glHint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
glColor4f(0.3, 0.3, 0.3, 0.2);
QPointF btmRight = _selectionRectangle.bottomRight();
QPointF topLeft = _selectionRectangle.topLeft();
glBegin(GL_POLYGON);
glVertex2f( topLeft.x(), btmRight.y() );
glVertex2f( topLeft.x(), topLeft.y() );
glVertex2f( btmRight.x(), topLeft.y() );
glVertex2f( btmRight.x(), btmRight.y() );
glEnd();
glLineWidth(1.5 * screenPixelRatio);
glColor4f(0.5, 0.5, 0.5, 1.);
glBegin(GL_LINE_LOOP);
glVertex2f( topLeft.x(), btmRight.y() );
glVertex2f( topLeft.x(), topLeft.y() );
glVertex2f( btmRight.x(), topLeft.y() );
glVertex2f( btmRight.x(), btmRight.y() );
glEnd();
glCheckError();
} // GLProtectAttrib a(GL_HINT_BIT | GL_ENABLE_BIT | GL_LINE_BIT | GL_COLOR_BUFFER_BIT | GL_CURRENT_BIT);
}
void
CurveWidgetPrivate::refreshTimelinePositions()
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
if ( (zoomCtx.screenWidth() <= 0) || (zoomCtx.screenWidth() <= 0) ) {
return;
}
QPointF topLeft = zoomCtx.toZoomCoordinates(0, 0);
QPointF btmRight = zoomCtx.toZoomCoordinates(_widget->width() - 1, _widget->height() - 1);
QPointF btmCursorBtm( _timeline->currentFrame(), btmRight.y() );
QPointF btmcursorBtmWidgetCoord = zoomCtx.toWidgetCoordinates( btmCursorBtm.x(), btmCursorBtm.y() );
QPointF btmCursorTop = zoomCtx.toZoomCoordinates(btmcursorBtmWidgetCoord.x(), btmcursorBtmWidgetCoord.y() - CURSOR_HEIGHT);
QPointF btmCursorLeft = zoomCtx.toZoomCoordinates( btmcursorBtmWidgetCoord.x() - CURSOR_WIDTH / 2., btmcursorBtmWidgetCoord.y() );
QPointF btmCursorRight = zoomCtx.toZoomCoordinates( btmcursorBtmWidgetCoord.x() + CURSOR_WIDTH / 2., btmcursorBtmWidgetCoord.y() );
QPointF topCursortop( _timeline->currentFrame(), topLeft.y() );
QPointF topcursorTopWidgetCoord = zoomCtx.toWidgetCoordinates( topCursortop.x(), topCursortop.y() );
QPointF topCursorBtm = zoomCtx.toZoomCoordinates(topcursorTopWidgetCoord.x(), topcursorTopWidgetCoord.y() + CURSOR_HEIGHT);
QPointF topCursorLeft = zoomCtx.toZoomCoordinates( topcursorTopWidgetCoord.x() - CURSOR_WIDTH / 2., topcursorTopWidgetCoord.y() );
QPointF topCursorRight = zoomCtx.toZoomCoordinates( topcursorTopWidgetCoord.x() + CURSOR_WIDTH / 2., topcursorTopWidgetCoord.y() );
_timelineBtmPoly.clear();
_timelineTopPoly.clear();
_timelineBtmPoly.push_back(btmCursorTop);
_timelineBtmPoly.push_back(btmCursorLeft);
_timelineBtmPoly.push_back(btmCursorRight);
_timelineTopPoly.push_back(topCursorBtm);
_timelineTopPoly.push_back(topCursorLeft);
_timelineTopPoly.push_back(topCursorRight);
}
void
CurveWidgetPrivate::drawTimelineMarkers(double screenPixelRatio)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
assert( QGLContext::currentContext() == _widget->context() );
glCheckError();
refreshTimelinePositions();
double cursorR, cursorG, cursorB;
double boundsR, boundsG, boundsB;
SettingsPtr settings = appPTR->getCurrentSettings();
settings->getTimelinePlayheadColor(&cursorR, &cursorG, &cursorB);
settings->getTimelineBoundsColor(&boundsR, &boundsG, &boundsB);
QPointF topLeft = zoomCtx.toZoomCoordinates(0, 0);
QPointF btmRight = zoomCtx.toZoomCoordinates(_widget->width() - 1, _widget->height() - 1);
{
GLProtectAttrib a(GL_HINT_BIT | GL_ENABLE_BIT | GL_LINE_BIT | GL_POLYGON_BIT | GL_COLOR_BUFFER_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_LINE_SMOOTH);
glHint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
glColor4f(boundsR, boundsG, boundsB, 1.);
double leftBound, rightBound;
_gui->getApp()->getFrameRange(&leftBound, &rightBound);
glLineWidth(1.5 * screenPixelRatio);
glBegin(GL_LINES);
glVertex2f( leftBound, btmRight.y() );
glVertex2f( leftBound, topLeft.y() );
glVertex2f( rightBound, btmRight.y() );
glVertex2f( rightBound, topLeft.y() );
glColor4f(cursorR, cursorG, cursorB, 1.);
glVertex2f( _timeline->currentFrame(), btmRight.y() );
glVertex2f( _timeline->currentFrame(), topLeft.y() );
glEnd();
glCheckErrorIgnoreOSXBug();
glEnable(GL_POLYGON_SMOOTH);
glHint(GL_POLYGON_SMOOTH_HINT, GL_DONT_CARE);
assert(_timelineBtmPoly.size() == 3 && _timelineTopPoly.size() == 3);
glBegin(GL_POLYGON);
glVertex2f( _timelineBtmPoly.at(0).x(), _timelineBtmPoly.at(0).y() );
glVertex2f( _timelineBtmPoly.at(1).x(), _timelineBtmPoly.at(1).y() );
glVertex2f( _timelineBtmPoly.at(2).x(), _timelineBtmPoly.at(2).y() );
glEnd();
glCheckErrorIgnoreOSXBug();
glBegin(GL_POLYGON);
glVertex2f( _timelineTopPoly.at(0).x(), _timelineTopPoly.at(0).y() );
glVertex2f( _timelineTopPoly.at(1).x(), _timelineTopPoly.at(1).y() );
glVertex2f( _timelineTopPoly.at(2).x(), _timelineTopPoly.at(2).y() );
glEnd();
} // GLProtectAttrib a(GL_HINT_BIT | GL_ENABLE_BIT | GL_LINE_BIT | GL_POLYGON_BIT);
glCheckErrorIgnoreOSXBug();
} // CurveWidgetPrivate::drawTimelineMarkers
void
CurveWidgetPrivate::drawCurves(double screenPixelRatio)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
assert( QGLContext::currentContext() == _widget->context() );
//now draw each curve
std::vector<CurveGuiPtr> visibleCurves;
_widget->getVisibleCurves(&visibleCurves);
int count = (int)visibleCurves.size();
for (int i = 0; i < count; ++i) {
visibleCurves[i]->drawCurve(i, count, screenPixelRatio);
}
}
void
CurveWidgetPrivate::drawScale(double screenPixelRatio)
{
glCheckError();
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
assert( QGLContext::currentContext() == _widget->context() );
QPointF btmLeft = zoomCtx.toZoomCoordinates(0, _widget->height() - 1);
QPointF topRight = zoomCtx.toZoomCoordinates(_widget->width() - 1, 0);
///don't attempt to draw a scale on a widget with an invalid height/width
if ( (_widget->height() <= 1) || (_widget->width() <= 1) ) {
return;
}
QFontMetrics fontM(*_font);
const double smallestTickSizePixel = 10.; // tick size (in pixels) for alpha = 0.
const double largestTickSizePixel = 500.; // tick size (in pixels) for alpha = 1.
double gridR, gridG, gridB;
SettingsPtr sett = appPTR->getCurrentSettings();
sett->getCurveEditorGridColor(&gridR, &gridG, &gridB);
double scaleR, scaleG, scaleB;
sett->getCurveEditorScaleColor(&scaleR, &scaleG, &scaleB);
QColor scaleColor;
scaleColor.setRgbF( Image::clamp(scaleR, 0., 1.),
Image::clamp(scaleG, 0., 1.),
Image::clamp(scaleB, 0., 1.) );
{
GLProtectAttrib a(GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | GL_ENABLE_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
for (int axis = 0; axis < 2; ++axis) {
const double rangePixel = (axis == 0) ? _widget->width() : _widget->height(); // AXIS-SPECIFIC
const double range_min = (axis == 0) ? btmLeft.x() : btmLeft.y(); // AXIS-SPECIFIC
const double range_max = (axis == 0) ? topRight.x() : topRight.y(); // AXIS-SPECIFIC
const double range = range_max - range_min;
double smallTickSize;
bool half_tick;
ticks_size(range_min, range_max, rangePixel, smallestTickSizePixel, &smallTickSize, &half_tick);
int m1, m2;
const int ticks_max = 1000;
double offset;
ticks_bounds(range_min, range_max, smallTickSize, half_tick, ticks_max, &offset, &m1, &m2);
std::vector<int> ticks;
ticks_fill(half_tick, ticks_max, m1, m2, &ticks);
const double smallestTickSize = range * smallestTickSizePixel / rangePixel;
const double largestTickSize = range * largestTickSizePixel / rangePixel;
const double minTickSizeTextPixel = (axis == 0) ? fontM.width( QLatin1String("00") ) : fontM.height(); // AXIS-SPECIFIC
const double minTickSizeText = range * minTickSizeTextPixel / rangePixel;
for (int i = m1; i <= m2; ++i) {
double value = i * smallTickSize + offset;
const double tickSize = ticks[i - m1] * smallTickSize;
const double alpha = ticks_alpha(smallestTickSize, largestTickSize, tickSize);
glCheckError();
glColor4f(gridR, gridG, gridB, alpha);
glLineWidth(1.5 * screenPixelRatio);
glBegin(GL_LINES);
if (axis == 0) {
glVertex2f( value, btmLeft.y() ); // AXIS-SPECIFIC
glVertex2f( value, topRight.y() ); // AXIS-SPECIFIC
} else {
glVertex2f(btmLeft.x(), value); // AXIS-SPECIFIC
glVertex2f(topRight.x(), value); // AXIS-SPECIFIC
}
glEnd();
glCheckErrorIgnoreOSXBug();
if (tickSize > minTickSizeText) {
const int tickSizePixel = rangePixel * tickSize / range;
const QString s = QString::number(value);
const int sSizePixel = (axis == 0) ? fontM.width(s) : fontM.height(); // AXIS-SPECIFIC
if (tickSizePixel > sSizePixel) {
const int sSizeFullPixel = sSizePixel + minTickSizeTextPixel;
double alphaText = 1.0; //alpha;
if (tickSizePixel < sSizeFullPixel) {
// when the text size is between sSizePixel and sSizeFullPixel,
// draw it with a lower alpha
alphaText *= (tickSizePixel - sSizePixel) / (double)minTickSizeTextPixel;
}
alphaText = std::min(alphaText, alpha); // don't draw more opaque than tcks
QColor c = scaleColor;
c.setAlpha(255 * alphaText);
if (axis == 0) {
_widget->renderText(value, btmLeft.y(), s, c, *_font, Qt::AlignHCenter); // AXIS-SPECIFIC
} else {
_widget->renderText(btmLeft.x(), value, s, c, *_font, Qt::AlignVCenter); // AXIS-SPECIFIC
}
}
}
}
}
} // GLProtectAttrib a(GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | GL_ENABLE_BIT);
glCheckError();
glColor4f(gridR, gridG, gridB, 1.);
glLineWidth(1.5 * screenPixelRatio);
glBegin(GL_LINES);
glVertex2f(AXIS_MIN, 0);
glVertex2f(AXIS_MAX, 0);
glVertex2f(0, AXIS_MIN);
glVertex2f(0, AXIS_MAX);
glEnd();
glCheckErrorIgnoreOSXBug();
} // drawScale
void
CurveWidgetPrivate::drawSelectedKeyFramesBbox(double screenPixelRatio)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
assert( QGLContext::currentContext() == _widget->context() );
{
GLProtectAttrib a(GL_HINT_BIT | GL_ENABLE_BIT | GL_LINE_BIT | GL_COLOR_BUFFER_BIT | GL_CURRENT_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_LINE_SMOOTH);
glHint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
QPointF topLeft = _selectedKeyFramesBbox.topLeft();
QPointF btmRight = _selectedKeyFramesBbox.bottomRight();
QPointF topLeftWidget = zoomCtx.toWidgetCoordinates( topLeft.x(), topLeft.y() );
QPointF btmRightWidget = zoomCtx.toWidgetCoordinates( btmRight.x(), btmRight.y() );
double xMid = ( topLeft.x() + btmRight.x() ) / 2.;
double yMid = ( topLeft.y() + btmRight.y() ) / 2.;
glColor4f(0.5, 0.5, 0.5, 1.);
glLineWidth(1.5 * screenPixelRatio);
glBegin(GL_LINE_LOOP);
glVertex2f( topLeft.x(), btmRight.y() );
glVertex2f( topLeft.x(), topLeft.y() );
glVertex2f( btmRight.x(), topLeft.y() );
glVertex2f( btmRight.x(), btmRight.y() );
glEnd();
glLineWidth(1.5 * screenPixelRatio);
glBegin(GL_LINES);
glVertex2f( std::max( _selectedKeyFramesCrossHorizLine.p1().x(), topLeft.x() ), _selectedKeyFramesCrossHorizLine.p1().y() );
glVertex2f( std::min( _selectedKeyFramesCrossHorizLine.p2().x(), btmRight.x() ), _selectedKeyFramesCrossHorizLine.p2().y() );
glVertex2f( _selectedKeyFramesCrossVertLine.p1().x(), std::max( _selectedKeyFramesCrossVertLine.p1().y(), btmRight.y() ) );
glVertex2f( _selectedKeyFramesCrossVertLine.p2().x(), std::min( _selectedKeyFramesCrossVertLine.p2().y(), topLeft.y() ) );
//top tick
{
double yBottom = zoomCtx.toZoomCoordinates(0, topLeftWidget.y() + BOUNDING_BOX_HANDLE_SIZE).y();
double yTop = zoomCtx.toZoomCoordinates(0, topLeftWidget.y() - BOUNDING_BOX_HANDLE_SIZE).y();
glVertex2f(xMid, yBottom);
glVertex2f(xMid, yTop);
}
//left tick
{
double xLeft = zoomCtx.toZoomCoordinates(topLeftWidget.x() - BOUNDING_BOX_HANDLE_SIZE, 0).x();
double xRight = zoomCtx.toZoomCoordinates(topLeftWidget.x() + BOUNDING_BOX_HANDLE_SIZE, 0).x();
glVertex2f(xLeft, yMid);
glVertex2f(xRight, yMid);
}
//bottom tick
{
double yBottom = zoomCtx.toZoomCoordinates(0, btmRightWidget.y() + BOUNDING_BOX_HANDLE_SIZE).y();
double yTop = zoomCtx.toZoomCoordinates(0, btmRightWidget.y() - BOUNDING_BOX_HANDLE_SIZE).y();
glVertex2f(xMid, yBottom);
glVertex2f(xMid, yTop);
}
//right tick
{
double xLeft = zoomCtx.toZoomCoordinates(btmRightWidget.x() - BOUNDING_BOX_HANDLE_SIZE, 0).x();
double xRight = zoomCtx.toZoomCoordinates(btmRightWidget.x() + BOUNDING_BOX_HANDLE_SIZE, 0).x();
glVertex2f(xLeft, yMid);
glVertex2f(xRight, yMid);
}
glEnd();
glPointSize(BOUNDING_BOX_HANDLE_SIZE * screenPixelRatio);
glBegin(GL_POINTS);
glVertex2f( topLeft.x(), topLeft.y() );
glVertex2f( btmRight.x(), topLeft.y() );
glVertex2f( btmRight.x(), btmRight.y() );
glVertex2f( topLeft.x(), btmRight.y() );
glEnd();
glCheckError();
} // GLProtectAttrib a(GL_HINT_BIT | GL_ENABLE_BIT | GL_LINE_BIT | GL_COLOR_BUFFER_BIT | GL_CURRENT_BIT);
} // CurveWidgetPrivate::drawSelectedKeyFramesBbox
Curves::const_iterator
CurveWidgetPrivate::isNearbyCurve(const QPoint &pt,
double* x,
double *y) const
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
QPointF openGL_pos = zoomCtx.toZoomCoordinates( pt.x(), pt.y() );
for (Curves::const_iterator it = _curves.begin(); it != _curves.end(); ++it) {
if ( (*it)->isVisible() ) {
//Try once with expressions
double yCurve;
try {
CurvePtr internalCurve = (*it)->getInternalCurve();
yCurve = (*it)->evaluate( internalCurve && !internalCurve->isAnimated(), openGL_pos.x() );
} catch (...) {
yCurve = (*it)->evaluate( false, openGL_pos.x() );
}
double yWidget = zoomCtx.toWidgetCoordinates(0, yCurve).y();
if ( (pt.y() < yWidget + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) && (pt.y() > yWidget - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) {
if (x != NULL) {
*x = openGL_pos.x();
}
if (y != NULL) {
*y = yCurve;
}
return it;
}
}
}
return _curves.end();
}
bool
CurveWidgetPrivate::isNearbyKeyFrame(const QPoint & pt,
CurveGuiPtr* curve,
KeyFrame* key,
bool* hasPrevKey,
KeyFrame* prevKey,
bool* hasNextKey,
KeyFrame* nextKey) const
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
for (Curves::const_iterator it = _curves.begin(); it != _curves.end(); ++it) {
if ( (*it)->isVisible() ) {
KeyFrameSet set = (*it)->getKeyFrames();
KeyFrameSet::const_iterator it2 = set.begin();
KeyFrameSet::const_iterator prev = set.end();
KeyFrameSet::const_iterator next = it2;
if ( !set.empty() ) {
++next;
}
bool isPeriodic = false;
std::pair<double,double> parametricRange = std::make_pair(-std::numeric_limits<double>::infinity(), std::numeric_limits<double>::infinity());
CurvePtr internalCurve = (*it)->getInternalCurve();
if (internalCurve) {
isPeriodic = internalCurve->isCurvePeriodic();
parametricRange = internalCurve->getXRange();
}
for (; it2 != set.end(); ++it2) {
QPointF keyFramewidgetPos = zoomCtx.toWidgetCoordinates( it2->getTime(), it2->getValue() );
if ( (std::abs( pt.y() - keyFramewidgetPos.y() ) < CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) &&
(std::abs( pt.x() - keyFramewidgetPos.x() ) < CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) {
KeyFrame prevK;
bool hasPrev = false;
if ( prev != set.end() ) {
prevK = *prev;
hasPrev = true;
} else if (isPeriodic) {
KeyFrameSet::const_reverse_iterator last = set.rbegin();
prevK = *last;
prevK.setTime(prevK.getTime() - (parametricRange.second - parametricRange.first));
hasPrev = true;
}
KeyFrame nextK;
bool hasNext = false;
if ( next != set.end() ) {
nextK = *next;
hasNext = true;
} else if (isPeriodic) {
KeyFrameSet::const_iterator start = set.begin();
nextK = *start;
nextK.setTime(nextK.getTime() + (parametricRange.second - parametricRange.first));
hasNext = true;
}
*hasPrevKey = hasPrev;
*hasNextKey = hasNext;
*prevKey = prevK;
*nextKey = nextK;
*key = *it2;
*curve = *it;
return true;
}
if ( prev != set.end() ) {
++prev;
} else {
prev = set.begin();
}
if ( next != set.end() ) {
++next;
}
}
}
}
return false;
} // CurveWidgetPrivate::isNearbyKeyFrame
KeyPtr
CurveWidgetPrivate::isNearbyKeyFrameText(const QPoint& pt) const
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
if (_selectedKeyFrames.size() != 1) {
return KeyPtr();
}
QFontMetrics fm( _widget->font() );
int yOffset = 4;
for (SelectedKeys::const_iterator it = _selectedKeyFrames.begin(); it != _selectedKeyFrames.end(); ++it) {
BezierCPCurveGui* isBezier = dynamic_cast<BezierCPCurveGui*>( it->first.get() );
if (!isBezier) {
for (std::list<KeyPtr>::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2) {
QPointF topLeftWidget = zoomCtx.toWidgetCoordinates( (*it2)->key.getTime(), (*it2)->key.getValue() );
topLeftWidget.ry() += yOffset;
QString coordStr = QString::fromUtf8("x: %1, y: %2").arg( (*it2)->key.getTime() ).arg( (*it2)->key.getValue() );
QPointF btmRightWidget( topLeftWidget.x() + fm.width(coordStr), topLeftWidget.y() + fm.height() );
if ( (pt.x() >= topLeftWidget.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) && (pt.x() <= btmRightWidget.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) &&
( pt.y() >= topLeftWidget.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) && ( pt.y() <= btmRightWidget.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) {
return *it2;
}
}
}
}
return KeyPtr();
}
std::pair<MoveTangentCommand::SelectedTangentEnum, KeyPtr>
CurveWidgetPrivate::isNearbyTangent(const QPoint & pt) const
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
for (SelectedKeys::const_iterator it = _selectedKeyFrames.begin(); it != _selectedKeyFrames.end(); ++it) {
BezierCPCurveGui* isBezier = dynamic_cast<BezierCPCurveGui*>( it->first.get() );
if (!isBezier) {
for (std::list<KeyPtr>::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2) {
QPointF leftTanPt = zoomCtx.toWidgetCoordinates( (*it2)->leftTan.first, (*it2)->leftTan.second );
QPointF rightTanPt = zoomCtx.toWidgetCoordinates( (*it2)->rightTan.first, (*it2)->rightTan.second );
if ( ( pt.x() >= (leftTanPt.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() <= (leftTanPt.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() <= (leftTanPt.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() >= (leftTanPt.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) ) {
return std::make_pair(MoveTangentCommand::eSelectedTangentLeft, *it2);
} else if ( ( pt.x() >= (rightTanPt.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() <= (rightTanPt.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() <= (rightTanPt.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() >= (rightTanPt.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) ) {
return std::make_pair(MoveTangentCommand::eSelectedTangentRight, *it2);
}
}
}
}
return std::make_pair( MoveTangentCommand::eSelectedTangentLeft, KeyPtr() );
}
std::pair<MoveTangentCommand::SelectedTangentEnum, KeyPtr>
CurveWidgetPrivate::isNearbySelectedTangentText(const QPoint & pt) const
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
if (_selectedKeyFrames.size() != 1) {
return std::make_pair( MoveTangentCommand::eSelectedTangentLeft, KeyPtr() );
}
QFontMetrics fm( _widget->font() );
int yOffset = 4;
for (SelectedKeys::const_iterator it = _selectedKeyFrames.begin(); it != _selectedKeyFrames.end(); ++it) {
BezierCPCurveGui* isBezier = dynamic_cast<BezierCPCurveGui*>( it->first.get() );
if (!isBezier) {
for (std::list<KeyPtr>::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2) {
double rounding = ipow(10., CURVEWIDGET_DERIVATIVE_ROUND_PRECISION);
QPointF topLeft_LeftTanWidget = zoomCtx.toWidgetCoordinates( (*it2)->leftTan.first, (*it2)->leftTan.second );
QPointF topLeft_RightTanWidget = zoomCtx.toWidgetCoordinates( (*it2)->rightTan.first, (*it2)->rightTan.second );
topLeft_LeftTanWidget.ry() += yOffset;
topLeft_RightTanWidget.ry() += yOffset;
QString leftCoordStr = QString( tr("l: %1") ).arg(std::floor( ( (*it2)->key.getLeftDerivative() * rounding ) + 0.5 ) / rounding);
QString rightCoordStr = QString( tr("r: %1") ).arg(std::floor( ( (*it2)->key.getRightDerivative() * rounding ) + 0.5 ) / rounding);
QPointF btmRight_LeftTanWidget( topLeft_LeftTanWidget.x() + fm.width(leftCoordStr), topLeft_LeftTanWidget.y() + fm.height() );
QPointF btmRight_RightTanWidget( topLeft_RightTanWidget.x() + fm.width(rightCoordStr), topLeft_RightTanWidget.y() + fm.height() );
if ( (pt.x() >= topLeft_LeftTanWidget.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) && (pt.x() <= btmRight_LeftTanWidget.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) &&
( pt.y() >= topLeft_LeftTanWidget.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) && ( pt.y() <= btmRight_LeftTanWidget.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) {
return std::make_pair(MoveTangentCommand::eSelectedTangentLeft, *it2);
} else if ( (pt.x() >= topLeft_RightTanWidget.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) && (pt.x() <= btmRight_RightTanWidget.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) &&
( pt.y() >= topLeft_RightTanWidget.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) && ( pt.y() <= btmRight_RightTanWidget.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) {
return std::make_pair(MoveTangentCommand::eSelectedTangentRight, *it2);
}
}
}
}
return std::make_pair( MoveTangentCommand::eSelectedTangentLeft, KeyPtr() );
}
bool
CurveWidgetPrivate::isNearbySelectedKeyFramesCrossWidget(const QPoint & pt) const
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
QPointF middleLeft = zoomCtx.toWidgetCoordinates( _selectedKeyFramesCrossHorizLine.p1().x(), _selectedKeyFramesCrossHorizLine.p1().y() );
QPointF middleRight = zoomCtx.toWidgetCoordinates( _selectedKeyFramesCrossHorizLine.p2().x(), _selectedKeyFramesCrossHorizLine.p2().y() );
QPointF middleBtm = zoomCtx.toWidgetCoordinates( _selectedKeyFramesCrossVertLine.p1().x(), _selectedKeyFramesCrossVertLine.p1().y() );
QPointF middleTop = zoomCtx.toWidgetCoordinates( _selectedKeyFramesCrossVertLine.p2().x(), _selectedKeyFramesCrossVertLine.p2().y() );
if ( ( pt.x() >= (middleLeft.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() <= (middleRight.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() <= (middleLeft.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() >= (middleLeft.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) ) {
//is nearby horizontal line
return true;
} else if ( ( pt.y() >= (middleBtm.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() <= (middleTop.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() <= (middleBtm.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() >= (middleBtm.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) ) {
//is nearby vertical line
return true;
} else {
return false;
}
}
bool
CurveWidgetPrivate::isNearbyBboxTopLeft(const QPoint& pt) const
{
QPointF other = zoomCtx.toWidgetCoordinates( _selectedKeyFramesBbox.x(), _selectedKeyFramesBbox.y() );
if ( ( pt.x() >= (other.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() <= (other.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() <= (other.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() >= (other.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) ) {
return true;
}
return false;
}
bool
CurveWidgetPrivate::isNearbyBboxMidLeft(const QPoint& pt) const
{
QPointF other = zoomCtx.toWidgetCoordinates(_selectedKeyFramesBbox.x(),
_selectedKeyFramesBbox.y() + _selectedKeyFramesBbox.height() / 2.);
if ( ( pt.x() >= (other.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() <= (other.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() <= (other.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() >= (other.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) ) {
return true;
}
return false;
}
bool
CurveWidgetPrivate::isNearbyBboxBtmLeft(const QPoint& pt) const
{
QPointF other = zoomCtx.toWidgetCoordinates( _selectedKeyFramesBbox.x(), _selectedKeyFramesBbox.y() +
_selectedKeyFramesBbox.height() );
if ( ( pt.x() >= (other.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() <= (other.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() <= (other.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() >= (other.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) ) {
return true;
}
return false;
}
bool
CurveWidgetPrivate::isNearbyBboxMidBtm(const QPoint& pt) const
{
QPointF other = zoomCtx.toWidgetCoordinates( _selectedKeyFramesBbox.x() + _selectedKeyFramesBbox.width() / 2., _selectedKeyFramesBbox.y() +
_selectedKeyFramesBbox.height() );
if ( ( pt.x() >= (other.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() <= (other.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() <= (other.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() >= (other.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) ) {
return true;
}
return false;
}
bool
CurveWidgetPrivate::isNearbyBboxBtmRight(const QPoint& pt) const
{
QPointF other = zoomCtx.toWidgetCoordinates( _selectedKeyFramesBbox.x() + _selectedKeyFramesBbox.width(), _selectedKeyFramesBbox.y() +
_selectedKeyFramesBbox.height() );
if ( ( pt.x() >= (other.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() <= (other.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() <= (other.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() >= (other.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) ) {
return true;
}
return false;
}
bool
CurveWidgetPrivate::isNearbyBboxMidRight(const QPoint& pt) const
{
QPointF other = zoomCtx.toWidgetCoordinates(_selectedKeyFramesBbox.x() + _selectedKeyFramesBbox.width(), _selectedKeyFramesBbox.y() +
_selectedKeyFramesBbox.height() / 2.);
if ( ( pt.x() >= (other.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() <= (other.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() <= (other.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() >= (other.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) ) {
return true;
}
return false;
}
bool
CurveWidgetPrivate::isNearbyBboxTopRight(const QPoint& pt) const
{
QPointF other = zoomCtx.toWidgetCoordinates( _selectedKeyFramesBbox.x() + _selectedKeyFramesBbox.width(), _selectedKeyFramesBbox.y() );
if ( ( pt.x() >= (other.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() <= (other.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() <= (other.y() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.y() >= (other.y() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) ) {
return true;
}
return false;
}
bool
CurveWidgetPrivate::isNearbyBboxMidTop(const QPoint& pt) const
{
QPointF other = zoomCtx.toWidgetCoordinates( _selectedKeyFramesBbox.x() + _selectedKeyFramesBbox.width() / 2., _selectedKeyFramesBbox.y() );
if ( ( pt.x() >= (other.x() - CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&
( pt.x() <= (other.x() + CLICK_DISTANCE_FROM_CURVE_ACCEPTANCE) ) &&