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RotoPaintInteract.cpp
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RotoPaintInteract.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 "RotoPaintInteract.h"
#include <QtCore/QLineF>
#include "Global/GLIncludes.h"
#include "Engine/KnobTypes.h"
#include "Engine/RotoPaint.h"
#include "Engine/MergingEnum.h"
#include "Engine/Node.h"
#include "Engine/RotoPoint.h"
#include "Engine/RotoContext.h"
#include "Engine/RotoStrokeItem.h"
#include "Engine/RotoUndoCommand.h"
#include "Engine/RotoLayer.h"
#include "Engine/Bezier.h"
#include "Engine/Transform.h"
#include "Engine/AppInstance.h"
#include "Engine/ViewerInstance.h"
NATRON_NAMESPACE_ENTER
RotoPaintPrivate::RotoPaintPrivate(RotoPaint* publicInterface,
bool isPaintByDefault)
: publicInterface(publicInterface)
, isPaintByDefault(isPaintByDefault)
, premultKnob()
, enabledKnobs()
, ui( RotoPaintInteract::create(this) )
{
}
RotoPaintInteract::RotoPaintInteract(RotoPaintPrivate* p)
: p(p)
, selectedItems()
, selectedCps()
, selectedCpsBbox()
, showCpsBbox(false)
, transformMode()
, builtBezier()
, bezierBeingDragged()
, cpBeingDragged()
, tangentBeingDragged()
, featherBarBeingDragged()
, featherBarBeingHovered()
, strokeBeingPaint()
, strokeBeingPaintedTimelineFrame(0)
, cloneOffset()
, click()
, selectedTool(eRotoToolSelectAll)
, selectedRole(eRotoRoleSelection)
, state(eEventStateNone)
, hoverState(eHoverStateNothing)
, lastClickPos()
, lastMousePos()
, evaluateOnPenUp(false)
, evaluateOnKeyUp(false)
, iSelectingwithCtrlA(false)
, shiftDown(0)
, ctrlDown(0)
, altDown(0)
, lastTabletDownTriggeredEraser(false)
, mouseCenterOnSizeChange()
{
cloneOffset.first = cloneOffset.second = 0.;
}
// make_shared enabler (because make_shared needs access to the private constructor)
// see https://stackoverflow.com/a/20961251/2607517
struct RotoPaintInteract::MakeSharedEnabler: public RotoPaintInteract
{
MakeSharedEnabler(RotoPaintPrivate* p) : RotoPaintInteract(p) {
}
};
RotoPaintInteractPtr
RotoPaintInteract::create(RotoPaintPrivate* p)
{
return boost::make_shared<RotoPaintInteract::MakeSharedEnabler>(p);
}
void
RotoPaintInteract::evaluate(bool redraw)
{
if (redraw) {
p->publicInterface->redrawOverlayInteract();
}
p->publicInterface->getNode()->getRotoContext()->evaluateChange();
p->publicInterface->getApp()->triggerAutoSave();
}
void
RotoPaintInteract::autoSaveAndRedraw()
{
p->publicInterface->redrawOverlayInteract();
p->publicInterface->getApp()->triggerAutoSave();
}
void
RotoPaintInteract::redrawOverlays()
{
p->publicInterface->redrawOverlayInteract();
}
RotoContextPtr
RotoPaintInteract::getContext()
{
return p->publicInterface->getNode()->getRotoContext();
}
bool
RotoPaintInteract::isFeatherVisible() const
{
KnobButtonPtr b = displayFeatherEnabledButton.lock();
if (b) {
return b->getValue();
} else {
return true;
}
}
bool
RotoPaintInteract::isStickySelectionEnabled() const
{
KnobButtonPtr b = stickySelectionEnabledButton.lock();
if (b) {
return b->getValue();
} else {
return false;
}
}
bool
RotoPaintInteract::isMultiStrokeEnabled() const
{
KnobBoolPtr b = multiStrokeEnabled.lock();
if (b) {
return b->getValue();
} else {
return false;
}
}
bool
RotoPaintInteract::isBboxClickAnywhereEnabled() const
{
KnobButtonPtr b = bboxClickAnywhereButton.lock();
return b ? b->getValue() : false;
}
void
RotoPaintInteract::drawSelectedCp(double time,
const BezierCPPtr & cp,
double x,
double y,
const Transform::Matrix3x3& transform)
{
///if the tangent is being dragged, color it
bool colorLeftTangent = false;
bool colorRightTangent = false;
if ( (cp == tangentBeingDragged) &&
( ( state == eEventStateDraggingLeftTangent) || ( state == eEventStateDraggingRightTangent) ) ) {
colorLeftTangent = state == eEventStateDraggingLeftTangent ? true : false;
colorRightTangent = !colorLeftTangent;
}
Transform::Point3D leftDeriv, rightDeriv;
leftDeriv.z = rightDeriv.z = 1.;
cp->getLeftBezierPointAtTime(true, time, ViewIdx(0), &leftDeriv.x, &leftDeriv.y);
cp->getRightBezierPointAtTime(true, time, ViewIdx(0), &rightDeriv.x, &rightDeriv.y);
leftDeriv = Transform::matApply(transform, leftDeriv);
rightDeriv = Transform::matApply(transform, rightDeriv);
bool drawLeftHandle = leftDeriv.x != x || leftDeriv.y != y;
bool drawRightHandle = rightDeriv.y != x || rightDeriv.y != y;
glBegin(GL_POINTS);
if (drawLeftHandle) {
if (colorLeftTangent) {
glColor3f(0.2, 1., 0.);
}
glVertex2d(leftDeriv.x, leftDeriv.y);
if (colorLeftTangent) {
glColor3d(0.85, 0.67, 0.);
}
}
if (drawRightHandle) {
if (colorRightTangent) {
glColor3f(0.2, 1., 0.);
}
glVertex2d(rightDeriv.x, rightDeriv.y);
if (colorRightTangent) {
glColor3d(0.85, 0.67, 0.);
}
}
glEnd();
glBegin(GL_LINE_STRIP);
if (drawLeftHandle) {
glVertex2d(leftDeriv.x, leftDeriv.y);
}
glVertex2d(x, y);
if (drawRightHandle) {
glVertex2d(rightDeriv.x, rightDeriv.y);
}
glEnd();
} // drawSelectedCp
void
RotoPaintInteract::drawEllipse(double x,
double y,
double radiusX,
double radiusY,
int l,
double r,
double g,
double b,
double a)
{
glColor3f(r * l * a, g * l * a, b * l * a);
glPushMatrix();
// center the oval at x_center, y_center
glTranslatef( (float)x, (float)y, 0.f );
// draw the oval using line segments
glBegin(GL_LINE_LOOP);
// we don't need to be pixel-perfect here, it's just an interact!
// 40 segments is enough.
double m = 2 * 3.14159265358979323846264338327950288419717 / 40.;
for (int i = 0; i < 40; ++i) {
double theta = i * m;
glVertex2d( radiusX * std::cos(theta), radiusY * std::sin(theta) );
}
glEnd();
glPopMatrix();
}
void
RotoPaintInteract::drawArrow(double centerX,
double centerY,
double rotate,
bool hovered,
const std::pair<double, double> & pixelScale)
{
GLProtectMatrix pm(GL_MODELVIEW);
if (hovered) {
glColor3f(0., 1., 0.);
} else {
glColor3f(1., 1., 1.);
}
double arrowLenght = kTransformArrowLenght * pixelScale.second;
double arrowWidth = kTransformArrowWidth * pixelScale.second;
double arrowHeadHeight = 4 * pixelScale.second;
glTranslatef(centerX, centerY, 0.);
glRotatef(rotate, 0., 0., 1.);
QPointF bottom(0., -arrowLenght);
QPointF top(0, arrowLenght);
///the arrow head is 4 pixels long and kTransformArrowWidth * 2 large
double screenPixelRatio = p->publicInterface->getCurrentViewportForOverlays()->getScreenPixelRatio();
glLineWidth(1 * screenPixelRatio);
glBegin(GL_LINES);
glVertex2f( top.x(), top.y() );
glVertex2f( bottom.x(), bottom.y() );
glEnd();
glBegin(GL_POLYGON);
glVertex2f( bottom.x(), bottom.y() );
glVertex2f(bottom.x() + arrowWidth, bottom.y() + arrowHeadHeight);
glVertex2f(bottom.x() - arrowWidth, bottom.y() + arrowHeadHeight);
glEnd();
glBegin(GL_POLYGON);
glVertex2f( top.x(), top.y() );
glVertex2f(top.x() - arrowWidth, top.y() - arrowHeadHeight);
glVertex2f(top.x() + arrowWidth, top.y() - arrowHeadHeight);
glEnd();
}
void
RotoPaintInteract::drawBendedArrow(double centerX,
double centerY,
double rotate,
bool hovered,
const std::pair<double, double> & pixelScale)
{
GLProtectMatrix p(GL_MODELVIEW);
if (hovered) {
glColor3f(0., 1., 0.);
} else {
glColor3f(1., 1., 1.);
}
double arrowLenght = kTransformArrowLenght * pixelScale.second;
double arrowWidth = kTransformArrowWidth * pixelScale.second;
double arrowHeadHeight = 4 * pixelScale.second;
glTranslatef(centerX, centerY, 0.);
glRotatef(rotate, 0., 0., 1.);
/// by default we draw the top left
QPointF bottom(0., -arrowLenght / 2.);
QPointF right(arrowLenght / 2., 0.);
glBegin (GL_LINE_STRIP);
glVertex2f ( bottom.x(), bottom.y() );
glVertex2f (0., 0.);
glVertex2f ( right.x(), right.y() );
glEnd ();
glBegin(GL_POLYGON);
glVertex2f(bottom.x(), bottom.y() - arrowHeadHeight);
glVertex2f( bottom.x() - arrowWidth, bottom.y() );
glVertex2f( bottom.x() + arrowWidth, bottom.y() );
glEnd();
glBegin(GL_POLYGON);
glVertex2f( right.x() + arrowHeadHeight, right.y() );
glVertex2f(right.x(), right.y() - arrowWidth);
glVertex2f(right.x(), right.y() + arrowWidth);
glEnd();
}
void
RotoPaintInteract::drawSelectedCpsBBOX()
{
std::pair<double, double> pixelScale;
p->publicInterface->getCurrentViewportForOverlays()->getPixelScale(pixelScale.first, pixelScale.second);
{
GLProtectAttrib a(GL_HINT_BIT | GL_ENABLE_BIT | GL_LINE_BIT | GL_POINT_BIT | GL_COLOR_BUFFER_BIT | GL_CURRENT_BIT | GL_TRANSFORM_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 = selectedCpsBbox.topLeft();
QPointF btmRight = selectedCpsBbox.bottomRight();
double screenPixelRatio = p->publicInterface->getCurrentViewportForOverlays()->getScreenPixelRatio();
if (hoverState == eHoverStateBbox) {
glColor4f(0.9, 0.5, 0, 1.);
} else {
glColor4f(0.8, 0.8, 0.8, 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();
double midX = ( topLeft.x() + btmRight.x() ) / 2.;
double midY = ( btmRight.y() + topLeft.y() ) / 2.;
double xHairMidSizeX = kXHairSelectedCpsBox * pixelScale.first;
double xHairMidSizeY = kXHairSelectedCpsBox * pixelScale.second;
QLineF selectedCpsCrossHorizLine;
selectedCpsCrossHorizLine.setLine(midX - xHairMidSizeX, midY, midX + xHairMidSizeX, midY);
QLineF selectedCpsCrossVertLine;
selectedCpsCrossVertLine.setLine(midX, midY - xHairMidSizeY, midX, midY + xHairMidSizeY);
glLineWidth(1.5 * screenPixelRatio);
glBegin(GL_LINES);
glVertex2f( std::max( selectedCpsCrossHorizLine.p1().x(), topLeft.x() ), selectedCpsCrossHorizLine.p1().y() );
glVertex2f( std::min( selectedCpsCrossHorizLine.p2().x(), btmRight.x() ), selectedCpsCrossHorizLine.p2().y() );
glVertex2f( selectedCpsCrossVertLine.p1().x(), std::max( selectedCpsCrossVertLine.p1().y(), btmRight.y() ) );
glVertex2f( selectedCpsCrossVertLine.p2().x(), std::min( selectedCpsCrossVertLine.p2().y(), topLeft.y() ) );
glEnd();
glCheckError();
QPointF midTop( ( topLeft.x() + btmRight.x() ) / 2., topLeft.y() );
QPointF midRight(btmRight.x(), ( topLeft.y() + btmRight.y() ) / 2.);
QPointF midBtm( ( topLeft.x() + btmRight.x() ) / 2., btmRight.y() );
QPointF midLeft(topLeft.x(), ( topLeft.y() + btmRight.y() ) / 2.);
///draw the 4 corners points and the 4 mid points
glPointSize(5.f * screenPixelRatio);
glBegin(GL_POINTS);
glVertex2f( topLeft.x(), topLeft.y() );
glVertex2f( btmRight.x(), topLeft.y() );
glVertex2f( btmRight.x(), btmRight.y() );
glVertex2f( topLeft.x(), btmRight.y() );
glVertex2f( midTop.x(), midTop.y() );
glVertex2f( midRight.x(), midRight.y() );
glVertex2f( midBtm.x(), midBtm.y() );
glVertex2f( midLeft.x(), midLeft.y() );
glEnd();
///now draw the handles to indicate the user he/she can transform the selection rectangle
///draw it only if it is not dragged
bool drawHandles = state != eEventStateDraggingBBoxBtmLeft && state != eEventStateDraggingBBoxBtmRight &&
state != eEventStateDraggingBBoxTopLeft && state != eEventStateDraggingBBoxTopRight && state != eEventStateDraggingBBoxMidTop
&& state != eEventStateDraggingBBoxMidRight && state != eEventStateDraggingBBoxMidLeft && state != eEventStateDraggingBBoxMidBtm;
if (drawHandles) {
double offset = kTransformArrowOffsetFromPoint * pixelScale.first;
double halfOffset = offset / 2.;
if (transformMode == eSelectedCpsTransformModeTranslateAndScale) {
///draw mid top arrow vertical
drawArrow(midTop.x(), midTop.y() + offset, 0., hoverState == eHoverStateBboxMidTop, pixelScale);
///draw mid right arrow horizontal
drawArrow(midRight.x() + offset, midRight.y(), 90., hoverState == eHoverStateBboxMidRight, pixelScale);
///draw mid btm arrow vertical
drawArrow(midBtm.x(), midBtm.y() - offset, 0., hoverState == eHoverStateBboxMidBtm, pixelScale);
///draw mid left arrow horizontal
drawArrow(midLeft.x() - offset, midLeft.y(), 90., hoverState == eHoverStateBboxMidLeft, pixelScale);
///draw top left arrow rotated
drawArrow(topLeft.x() - offset, topLeft.y() + offset, 45., hoverState == eHoverStateBboxTopLeft, pixelScale);
///draw top right arrow rotated
drawArrow(btmRight.x() + offset, topLeft.y() + offset, -45., hoverState == eHoverStateBboxTopRight, pixelScale);
///draw btm right arrow rotated
drawArrow(btmRight.x() + offset, btmRight.y() - offset, 45., hoverState == eHoverStateBboxBtmRight, pixelScale);
///draw btm left arrow rotated
drawArrow(topLeft.x() - offset, btmRight.y() - offset, -45., hoverState == eHoverStateBboxBtmLeft, pixelScale);
} else {
///draw mid top arrow horizontal
drawArrow(midTop.x(), midTop.y() + offset, 90., hoverState == eHoverStateBboxMidTop, pixelScale);
///draw mid right arrow vertical
drawArrow(midRight.x() + offset, midRight.y(), 0., hoverState == eHoverStateBboxMidRight, pixelScale);
///draw mid btm arrow horizontal
drawArrow(midBtm.x(), midBtm.y() - offset, 90., hoverState == eHoverStateBboxMidBtm, pixelScale);
///draw mid left arrow vertical
drawArrow(midLeft.x() - offset, midLeft.y(), 0., hoverState == eHoverStateBboxMidLeft, pixelScale);
///draw the top left bended
drawBendedArrow(topLeft.x() - halfOffset, topLeft.y() + halfOffset, 0., hoverState == eHoverStateBboxTopLeft, pixelScale);
///draw the top right bended
drawBendedArrow(btmRight.x() + halfOffset, topLeft.y() + halfOffset, -90, hoverState == eHoverStateBboxTopRight, pixelScale);
///draw the btm right bended
drawBendedArrow(btmRight.x() + halfOffset, btmRight.y() - halfOffset, -180, hoverState == eHoverStateBboxBtmRight, pixelScale);
///draw the btm left bended
drawBendedArrow(topLeft.x() - halfOffset, btmRight.y() - halfOffset, 90, hoverState == eHoverStateBboxBtmLeft, pixelScale);
}
}
} // GLProtectAttrib a(GL_HINT_BIT | GL_ENABLE_BIT | GL_LINE_BIT | GL_POINT_BIT | GL_COLOR_BUFFER_BIT | GL_CURRENT_BIT);
} // drawSelectedCpsBBOX
void
RotoPaintInteract::clearSelection()
{
clearBeziersSelection();
clearCPSSelection();
}
bool
RotoPaintInteract::hasSelection() const
{
return !selectedItems.empty() || !selectedCps.empty();
}
void
RotoPaintInteract::clearCPSSelection()
{
selectedCps.clear();
showCpsBbox = false;
transformMode = eSelectedCpsTransformModeTranslateAndScale;
selectedCpsBbox.setTopLeft( QPointF(0, 0) );
selectedCpsBbox.setTopRight( QPointF(0, 0) );
}
void
RotoPaintInteract::clearBeziersSelection()
{
RotoContextPtr ctx = p->publicInterface->getNode()->getRotoContext();
assert(ctx);
ctx->clearSelection(RotoItem::eSelectionReasonOverlayInteract);
selectedItems.clear();
}
bool
RotoPaintInteract::removeItemFromSelection(const RotoDrawableItemPtr& b)
{
RotoContextPtr ctx = p->publicInterface->getNode()->getRotoContext();
assert(ctx);
for (SelectedItems::iterator fb = selectedItems.begin(); fb != selectedItems.end(); ++fb) {
if ( fb->get() == b.get() ) {
ctx->deselect(*fb, RotoItem::eSelectionReasonOverlayInteract);
selectedItems.erase(fb);
return true;
}
}
return false;
}
static void
handleControlPointMaximum(double time,
const BezierCP & p,
double* l,
double *b,
double *r,
double *t)
{
double x, y, xLeft, yLeft, xRight, yRight;
p.getPositionAtTime(true, time, ViewIdx(0), &x, &y);
p.getLeftBezierPointAtTime(true, time, ViewIdx(0), &xLeft, &yLeft);
p.getRightBezierPointAtTime(true, time, ViewIdx(0), &xRight, &yRight);
*r = std::max(x, *r);
*l = std::min(x, *l);
*r = std::max(xLeft, *r);
*l = std::min(xLeft, *l);
*r = std::max(xRight, *r);
*l = std::min(xRight, *l);
*t = std::max(y, *t);
*b = std::min(y, *b);
*t = std::max(yLeft, *t);
*b = std::min(yLeft, *b);
*t = std::max(yRight, *t);
*b = std::min(yRight, *b);
}
bool
RotoPaintInteract::getRoleForGroup(const KnobGroupPtr& k,
RotoRoleEnum* role) const
{
bool ret = true;
if ( k == selectToolGroup.lock() ) {
*role = eRotoRoleSelection;
} else if ( k == pointsEditionToolGroup.lock() ) {
*role = eRotoRolePointsEdition;
} else if ( k == bezierEditionToolGroup.lock() ) {
*role = eRotoRoleBezierEdition;
} else if ( k == paintBrushToolGroup.lock() ) {
*role = eRotoRolePaintBrush;
} else if ( k == cloneBrushToolGroup.lock() ) {
*role = eRotoRoleCloneBrush;
} else if ( k == effectBrushToolGroup.lock() ) {
*role = eRotoRoleEffectBrush;
} else if ( k == mergeBrushToolGroup.lock() ) {
*role = eRotoRoleMergeBrush;
} else {
ret = false;
}
return ret;
}
bool
RotoPaintInteract::getToolForAction(const KnobButtonPtr& k,
RotoToolEnum* tool) const
{
bool ret = true;
if ( k == selectAllAction.lock() ) {
*tool = eRotoToolSelectAll;
} else if ( k == selectPointsAction.lock() ) {
*tool = eRotoToolSelectPoints;
} else if ( k == selectCurvesAction.lock() ) {
*tool = eRotoToolSelectCurves;
} else if ( k == selectFeatherPointsAction.lock() ) {
*tool = eRotoToolSelectFeatherPoints;
} else if ( k == addPointsAction.lock() ) {
*tool = eRotoToolAddPoints;
} else if ( k == removePointsAction.lock() ) {
*tool = eRotoToolRemovePoints;
} else if ( k == cuspPointsAction.lock() ) {
*tool = eRotoToolCuspPoints;
} else if ( k == smoothPointsAction.lock() ) {
*tool = eRotoToolSmoothPoints;
} else if ( k == openCloseCurveAction.lock() ) {
*tool = eRotoToolOpenCloseCurve;
} else if ( k == removeFeatherAction.lock() ) {
*tool = eRotoToolRemoveFeatherPoints;
} else if ( k == drawBezierAction.lock() ) {
*tool = eRotoToolDrawBezier;
} else if ( k == drawEllipseAction.lock() ) {
*tool = eRotoToolDrawEllipse;
} else if ( k == drawRectangleAction.lock() ) {
*tool = eRotoToolDrawRectangle;
} else if ( k == brushAction.lock() ) {
*tool = eRotoToolSolidBrush;
} else if ( k == pencilAction.lock() ) {
*tool = eRotoToolOpenBezier;
} else if ( k == eraserAction.lock() ) {
*tool = eRotoToolEraserBrush;
} else if ( k == cloneAction.lock() ) {
*tool = eRotoToolClone;
} else if ( k == revealAction.lock() ) {
*tool = eRotoToolReveal;
} else if ( k == blurAction.lock() ) {
*tool = eRotoToolBlur;
} else if ( k == smearAction.lock() ) {
*tool = eRotoToolSmear;
} else if ( k == dodgeAction.lock() ) {
*tool = eRotoToolDodge;
} else if ( k == burnAction.lock() ) {
*tool = eRotoToolBurn;
} else {
ret = false;
}
return ret;
} // RotoPaintInteract::getToolForAction
bool
RotoPaintInteract::onRoleChangedInternal(const KnobGroupPtr& roleGroup)
{
RotoRoleEnum role;
if ( !getRoleForGroup(roleGroup, &role) ) {
return false;
}
// The gui just deactivated this action
if ( !roleGroup->getValue() ) {
return true;
}
bool isPaintRole = (role == eRotoRolePaintBrush) || (role == eRotoRoleCloneBrush) || (role == eRotoRoleMergeBrush) ||
(role == eRotoRoleEffectBrush);
// Reset the selected control points
selectedCps.clear();
showCpsBbox = false;
transformMode = eSelectedCpsTransformModeTranslateAndScale;
selectedCpsBbox.setTopLeft( QPointF(0, 0) );
selectedCpsBbox.setTopRight( QPointF(0, 0) );
// Roto action bar
autoKeyingEnabledButton.lock()->setInViewerContextSecret(isPaintRole);
featherLinkEnabledButton.lock()->setInViewerContextSecret(isPaintRole);
displayFeatherEnabledButton.lock()->setInViewerContextSecret(isPaintRole);
stickySelectionEnabledButton.lock()->setInViewerContextSecret(isPaintRole);
bboxClickAnywhereButton.lock()->setInViewerContextSecret(isPaintRole);
rippleEditEnabledButton.lock()->setInViewerContextSecret(isPaintRole);
addKeyframeButton.lock()->setInViewerContextSecret(isPaintRole);
removeKeyframeButton.lock()->setInViewerContextSecret(isPaintRole);
showTransformHandle.lock()->setInViewerContextSecret(isPaintRole);
// RotoPaint action bar
colorWheelButton.lock()->setInViewerContextSecret(!isPaintRole);
compositingOperatorChoice.lock()->setInViewerContextSecret(!isPaintRole);
opacitySpinbox.lock()->setInViewerContextSecret(!isPaintRole);
pressureOpacityButton.lock()->setInViewerContextSecret(!isPaintRole);
sizeSpinbox.lock()->setInViewerContextSecret(!isPaintRole);
pressureSizeButton.lock()->setInViewerContextSecret(!isPaintRole);
hardnessSpinbox.lock()->setInViewerContextSecret(!isPaintRole);
pressureHardnessButton.lock()->setInViewerContextSecret(!isPaintRole);
buildUpButton.lock()->setInViewerContextSecret(!isPaintRole);
effectSpinBox.lock()->setInViewerContextSecret(!isPaintRole);
timeOffsetSpinBox.lock()->setInViewerContextSecret(!isPaintRole);
timeOffsetModeChoice.lock()->setInViewerContextSecret(!isPaintRole);
sourceTypeChoice.lock()->setInViewerContextSecret(!isPaintRole);
resetCloneOffsetButton.lock()->setInViewerContextSecret(!isPaintRole);
multiStrokeEnabled.lock()->setInViewerContextSecret(!isPaintRole);
selectedRole = role;
return true;
} // RotoPaintInteract::onRoleChangedInternal
bool
RotoPaintInteract::onToolChangedInternal(const KnobButtonPtr& actionButton)
{
RotoToolEnum tool;
if ( !getToolForAction(actionButton, &tool) ) {
return false;
}
// The gui just deactivated this action
if ( !actionButton->getValue() ) {
return true;
}
bool isPaintRole = (selectedRole == eRotoRolePaintBrush) || (selectedRole == eRotoRoleCloneBrush) || (selectedRole == eRotoRoleMergeBrush) ||
(selectedRole == eRotoRoleEffectBrush);
if (isPaintRole) {
effectSpinBox.lock()->setInViewerContextSecret(tool != eRotoToolBlur);
timeOffsetModeChoice.lock()->setInViewerContextSecret(selectedRole != eRotoRoleCloneBrush);
timeOffsetSpinBox.lock()->setInViewerContextSecret(selectedRole != eRotoRoleCloneBrush);
sourceTypeChoice.lock()->setInViewerContextSecret(selectedRole != eRotoRoleCloneBrush);
resetCloneOffsetButton.lock()->setInViewerContextSecret(selectedRole != eRotoRoleCloneBrush);
if (tool == eRotoToolClone) {
sourceTypeChoice.lock()->setValue(1);
} else if (tool == eRotoToolReveal) {
sourceTypeChoice.lock()->setValue(2);
}
if ( (tool == eRotoToolSolidBrush ) || ( tool == eRotoToolOpenBezier ) ) {
compositingOperatorChoice.lock()->setValue( (int)eMergeOver );
} else if (tool == eRotoToolBurn) {
compositingOperatorChoice.lock()->setValue( (int)eMergeColorBurn );
} else if (tool == eRotoToolDodge) {
compositingOperatorChoice.lock()->setValue( (int)eMergeColorDodge );
} else {
compositingOperatorChoice.lock()->setValue( (int)eMergeCopy );
}
}
// Clear all selection if we were building a new bezier
if ( (selectedRole == eRotoRoleBezierEdition) &&
( ( selectedTool == eRotoToolDrawBezier) || ( selectedTool == eRotoToolOpenBezier) ) &&
builtBezier &&
( tool != selectedTool ) ) {
builtBezier->setCurveFinished(true);
clearSelection();
}
selectedToolAction = actionButton;
{
KnobIPtr parentKnob = actionButton->getParentKnob();
KnobGroupPtr parentGroup = boost::dynamic_pointer_cast<KnobGroup>(parentKnob);
assert(parentGroup);
selectedToolRole = parentGroup;
}
selectedTool = tool;
if ( (tool != eRotoToolEraserBrush) && isPaintRole ) {
lastPaintToolAction = actionButton;
}
if ( (selectedTool == eRotoToolBlur) ||
( selectedTool == eRotoToolBurn) ||
( selectedTool == eRotoToolDodge) ||
( selectedTool == eRotoToolClone) ||
( selectedTool == eRotoToolEraserBrush) ||
( selectedTool == eRotoToolSolidBrush) ||
( selectedTool == eRotoToolReveal) ||
( selectedTool == eRotoToolSmear) ||
( selectedTool == eRotoToolSharpen) ) {
makeStroke( true, RotoPoint() );
}
return true;
} // RotoPaintInteract::onToolChangedInternal
void
RotoPaintInteract::setCurrentTool(const KnobButtonPtr& tool)
{
if (!tool) {
return;
}
KnobIPtr parentKnob = tool->getParentKnob();
KnobGroupPtr parentGroup = boost::dynamic_pointer_cast<KnobGroup>(parentKnob);
assert(parentGroup);
if (!parentGroup) {
return;
}
RotoToolEnum toolEnum;
getToolForAction(tool, &toolEnum);
RotoRoleEnum roleEnum;
getRoleForGroup(parentGroup, &roleEnum);
KnobGroupPtr curGroup = selectedToolRole.lock();
KnobButtonPtr curToolButton = selectedToolAction.lock();
if ( curGroup && (curGroup != parentGroup) ) {
curGroup->setValue(false);
}
// If we changed group, just keep this action on
if ( curToolButton && (curGroup == parentGroup) ) {
curToolButton->setValue(false);
}
selectedToolAction = tool;
selectedToolRole = parentGroup;
if (parentGroup != curGroup) {
if (parentGroup->getValue() != true) {
parentGroup->setValue(true);
} else {
onRoleChangedInternal(parentGroup);
}
}
if (tool->getValue() != true) {
tool->setValue(true);
} else {
// We must notify of the change
onToolChangedInternal(tool);
}
}
void
RotoPaintInteract::computeSelectedCpsBBOX()
{
NodePtr n = p->publicInterface->getNode();
if ( !n || !n->isActivated() ) {
return;
}
double time = p->publicInterface->getCurrentTime();
double l = INT_MAX, r = INT_MIN, b = INT_MAX, t = INT_MIN;
for (SelectedCPs::iterator it = selectedCps.begin(); it != selectedCps.end(); ++it) {
handleControlPointMaximum(time, *(it->first), &l, &b, &r, &t);
if (it->second) {
handleControlPointMaximum(time, *(it->second), &l, &b, &r, &t);
}
}
selectedCpsBbox.setCoords(l, t, r, b);
if (selectedCps.size() > 1) {
showCpsBbox = true;
} else {
showCpsBbox = false;
}
}
QPointF
RotoPaintInteract::getSelectedCpsBBOXCenter()
{
return selectedCpsBbox.center();
}
void
RotoPaintInteract::handleBezierSelection(const BezierPtr & curve)
{
///find out if the bezier is already selected.
bool found = false;
for (SelectedItems::iterator it = selectedItems.begin(); it != selectedItems.end(); ++it) {
if ( it->get() == curve.get() ) {
found = true;
break;
}
}
if (!found) {
///clear previous selection if the SHIFT modifier isn't held
if (!shiftDown) {
clearBeziersSelection();
}
selectedItems.push_back(curve);
RotoContextPtr ctx = p->publicInterface->getNode()->getRotoContext();
assert(ctx);
ctx->select(curve, RotoItem::eSelectionReasonOverlayInteract);
}
}
void
RotoPaintInteract::handleControlPointSelection(const std::pair<BezierCPPtr,
BezierCPPtr> & p)
{
///find out if the cp is already selected.
SelectedCPs::iterator foundCP = selectedCps.end();
for (SelectedCPs::iterator it = selectedCps.begin(); it != selectedCps.end(); ++it) {
if (p.first == it->first) {
foundCP = it;
break;
}
}
if ( foundCP == selectedCps.end() ) {
///clear previous selection if the SHIFT modifier isn't held
if (!shiftDown) {
selectedCps.clear();
}
selectedCps.push_back(p);
computeSelectedCpsBBOX();
} else {
///Erase the point from the selection to allow the user to toggle the selection
if (shiftDown) {
selectedCps.erase(foundCP);
computeSelectedCpsBBOX();
}
}
cpBeingDragged = p;
state = eEventStateDraggingControlPoint;
evaluateOnPenUp = true; // so that color is restored to normal on pen up, even if there's no motion
}
void
RotoPaintInteract::showMenuForControlPoint(const BezierCPPtr& /*cp*/)
{
KnobChoicePtr menu = rightClickMenuKnob.lock();
if (!menu) {
return;
}
std::vector<KnobButtonPtr> menuKnobs;
menuKnobs.push_back( removeItemsMenuAction.lock());
menuKnobs.push_back( smoothItemMenuAction.lock());
menuKnobs.push_back( cuspItemMenuAction.lock());
menuKnobs.push_back( removeItemFeatherMenuAction.lock());
menuKnobs.push_back( nudgeLeftMenuAction.lock());
menuKnobs.push_back( nudgeBottomMenuAction.lock() );
menuKnobs.push_back( nudgeRightMenuAction.lock());
menuKnobs.push_back( nudgeTopMenuAction.lock());
std::vector<ChoiceOption> choices(menuKnobs.size());
for (std::size_t i = 0; i < menuKnobs.size(); ++i) {
choices[i].id = menuKnobs[i]->getName();
choices[i].tooltip = menuKnobs[i]->getHintToolTip();
}
menu->populateChoices(choices);
} // showMenuForControlPoint
void
RotoPaintInteract::showMenuForCurve(const BezierPtr & curve)
{
KnobChoicePtr menu = rightClickMenuKnob.lock();
if (!menu) {
return;
}
std::vector<KnobButtonPtr> menuKnobs;
menuKnobs.push_back( selectAllMenuAction.lock());
menuKnobs.push_back( removeItemsMenuAction.lock());
if ( !curve->isOpenBezier() ) {
menuKnobs.push_back( openCloseCurveAction.lock());
}
menuKnobs.push_back( smoothItemMenuAction.lock());
menuKnobs.push_back( cuspItemMenuAction.lock());
if ( !curve->isOpenBezier() ) {
menuKnobs.push_back( removeItemFeatherMenuAction.lock());
}
menuKnobs.push_back( lockShapeMenuAction.lock() );
std::vector<ChoiceOption> choices(menuKnobs.size());
for (std::size_t i = 0; i < menuKnobs.size(); ++i) {
choices[i].id = menuKnobs[i]->getName();
choices[i].tooltip = menuKnobs[i]->getHintToolTip();
}
menu->populateChoices(choices);
} // showMenuForCurve
void
RotoPaintInteract::onBreakMultiStrokeTriggered()
{
makeStroke( true, RotoPoint() );
}
static bool
isBranchConnectedToRotoNodeRecursive(Node* node,
const Node* rotoNode,
int* recursion,
std::list<Node*>& markedNodes)
{
assert(recursion);
if (!node) {
return false;
}
if (rotoNode == node) {
return true;