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krita/ui kis_autogradient_resource.cc Go to the documentation of this file. /* * Copyright (c) 2004 Cyrille Berger <cberger@cberger.net> * 2004 Sven Langkamp <sven.langkamp@gmail.com> * * This program 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. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "kis_autogradient_resource.h" #include "KoColorSpaceRegistry.h" #include "KoColorSpace.h" // XXX: use the same #define as in kis_gradient.cc, probably best customizable? #define PREVIEW_WIDTH 64 #define PREVIEW_HEIGHT 64 void KisAutogradientResource::createSegment(int interpolation, int colorInterpolation, double startOffset, double endOffset, double middleOffset, const QColor & left, const QColor & right) { pushSegment(new KoGradientSegment(interpolation, colorInterpolation, startOffset, middleOffset, endOffset, KoColor(left, colorSpace()), KoColor(right, colorSpace()))); } const QList<double> KisAutogradientResource::getHandlePositions() const { QList<double> handlePositions; handlePositions.push_back(m_segments[0]->startOffset()); for (int i = 0; i < m_segments.count(); i++) { handlePositions.push_back(m_segments[i]->endOffset()); } return handlePositions; } const QList<double> KisAutogradientResource::getMiddleHandlePositions() const { QList<double> middleHandlePositions; for (int i = 0; i < m_segments.count(); i++) { middleHandlePositions.push_back(m_segments[i]->middleOffset()); } return middleHandlePositions; } void KisAutogradientResource::moveSegmentStartOffset(KoGradientSegment* segment, double t) { QList<KoGradientSegment*>::iterator it = qFind(m_segments.begin(), m_segments.end(), segment); if (it != m_segments.end()) { if (it == m_segments.begin()) { segment->setStartOffset(0.0); return; } KoGradientSegment* previousSegment = (*(it - 1)); if (t > segment->startOffset()) { if (t > segment->middleOffset()) t = segment->middleOffset(); } else { if (t < previousSegment->middleOffset()) t = previousSegment->middleOffset(); } previousSegment->setEndOffset(t); segment->setStartOffset(t); } } void KisAutogradientResource::moveSegmentEndOffset(KoGradientSegment* segment, double t) { QList<KoGradientSegment*>::iterator it = qFind(m_segments.begin(), m_segments.end(), segment); if (it != m_segments.end()) { if (it + 1 == m_segments.end()) { segment->setEndOffset(1.0); return; } KoGradientSegment* followingSegment = (*(it + 1)); if (t < segment->endOffset()) { if (t < segment->middleOffset()) t = segment->middleOffset(); } else { if (t > followingSegment->middleOffset()) t = followingSegment->middleOffset(); } followingSegment->setStartOffset(t); segment->setEndOffset(t); } } void KisAutogradientResource::moveSegmentMiddleOffset(KoGradientSegment* segment, double t) { if (segment) { if (t > segment->endOffset()) segment->setMiddleOffset(segment->endOffset()); else if (t < segment->startOffset()) segment->setMiddleOffset(segment->startOffset()); else segment->setMiddleOffset(t); } } void KisAutogradientResource::splitSegment(KoGradientSegment* segment) { Q_ASSERT(segment != 0); QList<KoGradientSegment*>::iterator it = qFind(m_segments.begin(), m_segments.end(), segment); if (it != m_segments.end()) { KoColor midleoffsetColor(segment->endColor().colorSpace()); segment->colorAt(midleoffsetColor, segment->middleOffset()); KoGradientSegment* newSegment = new KoGradientSegment( segment->interpolation(), segment->colorInterpolation(), segment ->startOffset(), (segment->middleOffset() - segment->startOffset()) / 2 + segment->startOffset(), segment->middleOffset(), segment->startColor(), midleoffsetColor); m_segments.insert(it, newSegment); segment->setStartColor(midleoffsetColor); segment->setStartOffset(segment->middleOffset()); segment->setMiddleOffset((segment->endOffset() - segment->startOffset()) / 2 + segment->startOffset()); } } void KisAutogradientResource::duplicateSegment(KoGradientSegment* segment) { Q_ASSERT(segment != 0); QList<KoGradientSegment*>::iterator it = qFind(m_segments.begin(), m_segments.end(), segment); if (it != m_segments.end()) { double middlePostionPercentage = (segment->middleOffset() - segment->startOffset()) / segment->length(); double center = segment->startOffset() + segment->length() / 2; KoGradientSegment* newSegment = new KoGradientSegment( segment->interpolation(), segment->colorInterpolation(), segment ->startOffset(), segment->length() / 2 * middlePostionPercentage + segment->startOffset(), center, segment->startColor(), segment->endColor()); m_segments.insert(it, newSegment); segment->setStartOffset(center); segment->setMiddleOffset(segment->length() * middlePostionPercentage + segment->startOffset()); } } void KisAutogradientResource::mirrorSegment(KoGradientSegment* segment) { Q_ASSERT(segment != 0); KoColor tmpColor = segment->startColor(); segment->setStartColor(segment->endColor()); segment->setEndColor(tmpColor); segment->setMiddleOffset(segment->endOffset() - (segment->middleOffset() - segment->startOffset())); if (segment->interpolation() == INTERP_SPHERE_INCREASING) segment->setInterpolation(INTERP_SPHERE_DECREASING); else if (segment->interpolation() == INTERP_SPHERE_DECREASING) segment->setInterpolation(INTERP_SPHERE_INCREASING); if (segment->colorInterpolation() == COLOR_INTERP_HSV_CW) segment->setColorInterpolation(COLOR_INTERP_HSV_CCW); else if (segment->colorInterpolation() == COLOR_INTERP_HSV_CCW) segment->setColorInterpolation(COLOR_INTERP_HSV_CW); } KoGradientSegment* KisAutogradientResource::removeSegment(KoGradientSegment* segment) { Q_ASSERT(segment != 0); if (m_segments.count() < 2) return 0; QList<KoGradientSegment*>::iterator it = qFind(m_segments.begin(), m_segments.end(), segment); if (it != m_segments.end()) { double middlePostionPercentage; KoGradientSegment* nextSegment; if (it == m_segments.begin()) { nextSegment = (*(it + 1)); middlePostionPercentage = (nextSegment->middleOffset() - nextSegment->startOffset()) / nextSegment->length(); nextSegment->setStartOffset(segment->startOffset()); nextSegment->setMiddleOffset(middlePostionPercentage * nextSegment->length() + nextSegment->startOffset()); } else { nextSegment = (*(it - 1)); middlePostionPercentage = (nextSegment->middleOffset() - nextSegment->startOffset()) / nextSegment->length(); nextSegment->setEndOffset(segment->endOffset()); nextSegment->setMiddleOffset(middlePostionPercentage * nextSegment->length() + nextSegment->startOffset()); } delete segment; m_segments.erase(it); return nextSegment; } return 0; } bool KisAutogradientResource::removeSegmentPossible() const { if (m_segments.count() < 2) return false; return true; } krita/ui Skip menu "krita/ui" Main Page Namespace List Class Hierarchy Alphabetical List Class List File List Namespace Members Class Members API Reference Skip menu "API Reference" kdgantt Kexi   KoProperty   flake kplato krita   image   plugins       libbrush       libpaintop   ui kspread   part     scripting libs   flake   kotext   main   pigment   store   musicshape Generated for API Reference by doxygen 1.5.9-20090814 This website is maintained by Adriaan de Groot and Allen Winter. 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