1 files changed, 0 insertions, 639 deletions
diff --git a/chalk/core/kis_gradient.cc b/chalk/core/kis_gradient.cc
deleted file mode 100644
index 41541e80e..000000000
--- a/chalk/core/kis_gradient.cc
+++ /dev/null
@@ -1,639 +0,0 @@
-/*
- *  kis_gradient.cc - part of Krayon
- *
- *  Copyright (c) 2000 Matthias Elter <elter@kde.org>
- *                2001 John Califf
- *                2004 Boudewijn Rempt <boud@valdyas.org>
- *                2004 Adrian Page <adrian@pagenet.plus.com>
- *                2004 Sven Langkamp <longamp@reallygood.de>
- *
- *  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 <cfloat>
-#include <cmath>
-
-#include <tqimage.h>
-#include <tqtextstream.h>
-#include <tqfile.h>
-
-#include <koColor.h>
-#include <kogradientmanager.h>
-
-#include <kdebug.h>
-#include <tdelocale.h>
-
-#include "kis_gradient.h"
-
-#define PREVIEW_WIDTH 64
-#define PREVIEW_HEIGHT 64
-
-KisGradientSegment::RGBColorInterpolationStrategy *KisGradientSegment::RGBColorInterpolationStrategy::m_instance = 0;
-KisGradientSegment::HSVCWColorInterpolationStrategy *KisGradientSegment::HSVCWColorInterpolationStrategy::m_instance = 0;
-KisGradientSegment::HSVCCWColorInterpolationStrategy *KisGradientSegment::HSVCCWColorInterpolationStrategy::m_instance = 0;
-
-KisGradientSegment::LinearInterpolationStrategy *KisGradientSegment::LinearInterpolationStrategy::m_instance = 0;
-KisGradientSegment::CurvedInterpolationStrategy *KisGradientSegment::CurvedInterpolationStrategy::m_instance = 0;
-KisGradientSegment::SineInterpolationStrategy *KisGradientSegment::SineInterpolationStrategy::m_instance = 0;
-KisGradientSegment::SphereIncreasingInterpolationStrategy *KisGradientSegment::SphereIncreasingInterpolationStrategy::m_instance = 0;
-KisGradientSegment::SphereDecreasingInterpolationStrategy *KisGradientSegment::SphereDecreasingInterpolationStrategy::m_instance = 0;
-
-KisGradient::KisGradient(const TQString& file) : super(file)
-{
-}
-
-KisGradient::~KisGradient()
-{
-    for (uint i = 0; i < m_segments.count(); i++) {
-        delete m_segments[i];
-        m_segments[i] = 0;
-    }
-}
-
-bool KisGradient::load()
-{
-    return init();
-}
-
-bool KisGradient::save()
-{
-    return false;
-}
-
-TQImage KisGradient::img()
-{
-    return m_img;
-}
-
-bool KisGradient::init()
-{
-    KoGradientManager gradLoader;
-    KoGradient* grad = gradLoader.loadGradient(filename());
-
-    if( !grad )
-        return false;
-
-    m_segments.clear();
-
-    if( grad->colorStops.count() > 1 ) {
-        KoColorStop *colstop;
-        for(colstop = grad->colorStops.first(); colstop; colstop = grad->colorStops.next()) {
-            KoColorStop *colstopNext = grad->colorStops.next();
-
-            if(colstopNext) {
-                KoColor leftRgb((int)(colstop->color1 * 255 + 0.5), (int)(colstop->color2 * 255 + 0.5), (int)(colstop->color3 * 255 + 0.5));
-                KoColor rightRgb((int)(colstopNext->color1 * 255 + 0.5), (int)(colstopNext->color2 * 255 + 0.5), (int)(colstopNext->color3 * 255 + 0.5));
-
-                double midp = colstop->midpoint;
-                midp = colstop->offset + ((colstopNext->offset - colstop->offset) * midp);
-
-                Color leftColor(leftRgb.color(), colstop->opacity);
-                Color rightColor(rightRgb.color(), colstopNext->opacity);
-
-                KisGradientSegment *segment = new KisGradientSegment(colstop->interpolation, colstop->colorType, colstop->offset, midp, colstopNext->offset, leftColor, rightColor);
-                TQ_CHECK_PTR(segment);
-
-                if ( !segment->isValid() ) {
-                    delete segment;
-                    return false;
-                }
-
-                m_segments.push_back(segment);
-                grad->colorStops.prev();
-            }
-            else {
-                grad->colorStops.prev();
-                break;
-            }
-        }
-    }
-    else
-        return false;
-
-    if (!m_segments.isEmpty()) {
-        m_img = generatePreview(PREVIEW_WIDTH, PREVIEW_HEIGHT);
-        setValid(true);
-        return true;
-    }
-    else {
-        return false;
-    }
-}
-
-void KisGradient::setImage(const TQImage& img)
-{
-    m_img = img;
-    m_img.detach();
-
-    setValid(true);
-}
-
-KisGradientSegment *KisGradient::segmentAt(double t) const
-{
-    Q_ASSERT(t >= 0 || t <= 1);
-    Q_ASSERT(!m_segments.empty());
-
-    for(TQValueVector<KisGradientSegment *>::const_iterator it = m_segments.begin(); it!= m_segments.end(); ++it)
-    {
-        if (t > (*it)->startOffset() - DBL_EPSILON && t < (*it)->endOffset() + DBL_EPSILON) {
-            return *it;
-        }
-    }
-
-    return 0;
-}
-
-void KisGradient::colorAt(double t, TQColor *color, TQ_UINT8 *opacity) const
-{
-    const KisGradientSegment *segment = segmentAt(t);
-    Q_ASSERT(segment != 0);
-
-    if (segment) {
-        Color col = segment->colorAt(t);
-        *color = col.color();
-        *opacity = static_cast<TQ_UINT8>(col.alpha() * OPACITY_OPAQUE + 0.5);
-    }
-}
-
-TQImage KisGradient::generatePreview(int width, int height) const
-{
-    TQImage img(width, height, 32);
-
-    for (int y = 0; y < img.height(); y++) {
-        for (int x = 0; x < img.width(); x++) {
-
-            int backgroundRed = 128 + 63 * ((x / 4 + y / 4) % 2);
-            int backgroundGreen = backgroundRed;
-            int backgroundBlue = backgroundRed;
-
-            TQColor color;
-            TQ_UINT8 opacity;
-            double t = static_cast<double>(x) / (img.width() - 1);
-
-            colorAt(t,  &color, &opacity);
-
-            double alpha = static_cast<double>(opacity) / OPACITY_OPAQUE;
-
-            int red = static_cast<int>((1 - alpha) * backgroundRed + alpha * color.red() + 0.5);
-            int green = static_cast<int>((1 - alpha) * backgroundGreen + alpha * color.green() + 0.5);
-            int blue = static_cast<int>((1 - alpha) * backgroundBlue + alpha * color.blue() + 0.5);
-
-            img.setPixel(x, y, tqRgb(red, green, blue));
-        }
-    }
-
-    return img;
-}
-
-KisGradientSegment::KisGradientSegment(int interpolationType, int colorInterpolationType, double startOffset, double middleOffset, double endOffset, const Color& startColor, const Color& endColor)
-{
-    m_interpolator = 0;
-
-    switch (interpolationType) {
-    case INTERP_LINEAR:
-        m_interpolator = LinearInterpolationStrategy::instance();
-        break;
-    case INTERP_CURVED:
-        m_interpolator = CurvedInterpolationStrategy::instance();
-        break;
-    case INTERP_SINE:
-        m_interpolator = SineInterpolationStrategy::instance();
-        break;
-    case INTERP_SPHERE_INCREASING:
-        m_interpolator = SphereIncreasingInterpolationStrategy::instance();
-        break;
-    case INTERP_SPHERE_DECREASING:
-        m_interpolator = SphereDecreasingInterpolationStrategy::instance();
-        break;
-    }
-
-    m_colorInterpolator = 0;
-
-    switch (colorInterpolationType) {
-    case COLOR_INTERP_RGB:
-        m_colorInterpolator = RGBColorInterpolationStrategy::instance();
-        break;
-    case COLOR_INTERP_HSV_CCW:
-        m_colorInterpolator = HSVCCWColorInterpolationStrategy::instance();
-        break;
-    case COLOR_INTERP_HSV_CW:
-        m_colorInterpolator = HSVCWColorInterpolationStrategy::instance();
-        break;
-    }
-
-    if (startOffset < DBL_EPSILON) {
-        m_startOffset = 0;
-    }
-    else
-    if (startOffset > 1 - DBL_EPSILON) {
-        m_startOffset = 1;
-    }
-    else {
-        m_startOffset = startOffset;
-    }
-
-    if (middleOffset < m_startOffset + DBL_EPSILON) {
-        m_middleOffset = m_startOffset;
-    }
-    else
-    if (middleOffset > 1 - DBL_EPSILON) {
-        m_middleOffset = 1;
-    }
-    else {
-        m_middleOffset = middleOffset;
-    }
-
-    if (endOffset < m_middleOffset + DBL_EPSILON) {
-        m_endOffset = m_middleOffset;
-    }
-    else
-    if (endOffset > 1 - DBL_EPSILON) {
-        m_endOffset = 1;
-    }
-    else {
-        m_endOffset = endOffset;
-    }
-
-    m_length = m_endOffset - m_startOffset;
-
-    if (m_length < DBL_EPSILON) {
-        m_middleT = 0.5;
-    }
-    else {
-        m_middleT = (m_middleOffset - m_startOffset) / m_length;
-    }
-
-    m_startColor = startColor;
-    m_endColor = endColor;
-}
-
-const Color& KisGradientSegment::startColor() const
-{
-    return m_startColor;
-}
-
-const Color& KisGradientSegment::endColor() const
-{
-    return m_endColor;
-}
-
-double KisGradientSegment::startOffset() const
-{
-    return m_startOffset;
-}
-
-double KisGradientSegment::middleOffset() const
-{
-    return m_middleOffset;
-}
-
-double KisGradientSegment::endOffset() const
-{
-    return m_endOffset;
-}
-
-void KisGradientSegment::setStartOffset(double t)
-{
-    m_startOffset = t;
-    m_length = m_endOffset - m_startOffset;
-
-    if (m_length < DBL_EPSILON) {
-        m_middleT = 0.5;
-    }
-    else {
-        m_middleT = (m_middleOffset - m_startOffset) / m_length;
-    }
-}
-void KisGradientSegment::setMiddleOffset(double t)
-{
-    m_middleOffset = t;
-
-    if (m_length < DBL_EPSILON) {
-        m_middleT = 0.5;
-    }
-    else {
-        m_middleT = (m_middleOffset - m_startOffset) / m_length;
-    }
-}
-
-void KisGradientSegment::setEndOffset(double t)
-{
-    m_endOffset = t;
-    m_length = m_endOffset - m_startOffset;
-
-    if (m_length < DBL_EPSILON) {
-        m_middleT = 0.5;
-    }
-    else {
-        m_middleT = (m_middleOffset - m_startOffset) / m_length;
-    }
-}
-
-int KisGradientSegment::interpolation() const
-{
-    return m_interpolator->type();
-}
-
-void KisGradientSegment::setInterpolation(int interpolationType)
-{
-    switch (interpolationType) {
-    case INTERP_LINEAR:
-        m_interpolator = LinearInterpolationStrategy::instance();
-        break;
-    case INTERP_CURVED:
-        m_interpolator = CurvedInterpolationStrategy::instance();
-        break;
-    case INTERP_SINE:
-        m_interpolator = SineInterpolationStrategy::instance();
-        break;
-    case INTERP_SPHERE_INCREASING:
-        m_interpolator = SphereIncreasingInterpolationStrategy::instance();
-        break;
-    case INTERP_SPHERE_DECREASING:
-        m_interpolator = SphereDecreasingInterpolationStrategy::instance();
-        break;
-    }
-}
-
-int KisGradientSegment::colorInterpolation() const
-{
-    return m_colorInterpolator->type();
-}
-
-void KisGradientSegment::setColorInterpolation(int colorInterpolationType)
-{
-    switch (colorInterpolationType) {
-    case COLOR_INTERP_RGB:
-        m_colorInterpolator = RGBColorInterpolationStrategy::instance();
-        break;
-    case COLOR_INTERP_HSV_CCW:
-        m_colorInterpolator = HSVCCWColorInterpolationStrategy::instance();
-        break;
-    case COLOR_INTERP_HSV_CW:
-        m_colorInterpolator = HSVCWColorInterpolationStrategy::instance();
-        break;
-    }
-}
-
-Color KisGradientSegment::colorAt(double t) const
-{
-    Q_ASSERT(t > m_startOffset - DBL_EPSILON && t < m_endOffset + DBL_EPSILON);
-
-    double segmentT;
-
-    if (m_length < DBL_EPSILON) {
-        segmentT = 0.5;
-    }
-    else {
-        segmentT = (t - m_startOffset) / m_length;
-    }
-
-    double colorT = m_interpolator->valueAt(segmentT, m_middleT);
-
-    Color color = m_colorInterpolator->colorAt(colorT, m_startColor, m_endColor);
-
-    return color;
-}
-
-bool KisGradientSegment::isValid() const
-{
-    if (m_interpolator == 0 || m_colorInterpolator ==0)
-        return false;
-    return true;
-}
-
-KisGradientSegment::RGBColorInterpolationStrategy *KisGradientSegment::RGBColorInterpolationStrategy::instance()
-{
-    if (m_instance == 0) {
-        m_instance = new RGBColorInterpolationStrategy();
-        TQ_CHECK_PTR(m_instance);
-    }
-
-    return m_instance;
-}
-
-Color KisGradientSegment::RGBColorInterpolationStrategy::colorAt(double t, Color start, Color end) const
-{
-    int startRed = start.color().red();
-    int startGreen = start.color().green();
-    int startBlue = start.color().blue();
-    double startAlpha = start.alpha();
-    int red = static_cast<int>(startRed + t * (end.color().red() - startRed) + 0.5);
-    int green = static_cast<int>(startGreen + t * (end.color().green() - startGreen) + 0.5);
-    int blue = static_cast<int>(startBlue + t * (end.color().blue() - startBlue) + 0.5);
-    double alpha = startAlpha + t * (end.alpha() - startAlpha);
-
-    return Color(TQColor(red, green, blue), alpha);
-}
-
-KisGradientSegment::HSVCWColorInterpolationStrategy *KisGradientSegment::HSVCWColorInterpolationStrategy::instance()
-{
-    if (m_instance == 0) {
-        m_instance = new HSVCWColorInterpolationStrategy();
-        TQ_CHECK_PTR(m_instance);
-    }
-
-    return m_instance;
-}
-
-Color KisGradientSegment::HSVCWColorInterpolationStrategy::colorAt(double t, Color start, Color end) const
-{
-    KoColor sc = KoColor(start.color());
-    KoColor ec = KoColor(end.color());
-    
-    int s = static_cast<int>(sc.S() + t * (ec.S() - sc.S()) + 0.5);
-    int v = static_cast<int>(sc.V() + t * (ec.V() - sc.V()) + 0.5);
-    int h;
-    
-    if (ec.H() < sc.H()) {
-        h = static_cast<int>(ec.H() + (1 - t) * (sc.H() - ec.H()) + 0.5);
-    }
-    else {
-        h = static_cast<int>(ec.H() + (1 - t) * (360 - ec.H() + sc.H()) + 0.5);
-        
-        if (h > 359) {
-            h -= 360;
-        }
-    }
-    
-    double alpha = start.alpha() + t * (end.alpha() - start.alpha());
-
-    return Color(KoColor(h, s, v, KoColor::csHSV).color(), alpha);
-}
-
-KisGradientSegment::HSVCCWColorInterpolationStrategy *KisGradientSegment::HSVCCWColorInterpolationStrategy::instance()
-{
-    if (m_instance == 0) {
-        m_instance = new HSVCCWColorInterpolationStrategy();
-        TQ_CHECK_PTR(m_instance);
-    }
-
-    return m_instance;
-}
-
-Color KisGradientSegment::HSVCCWColorInterpolationStrategy::colorAt(double t, Color start, Color end) const
-{
-    KoColor sc = KoColor(start.color());
-    KoColor se = KoColor(end.color());
-
-    int s = static_cast<int>(sc.S() + t * (se.S() - sc.S()) + 0.5);
-    int v = static_cast<int>(sc.V() + t * (se.V() - sc.V()) + 0.5);
-    int h;
-
-    if (sc.H() < se.H()) {
-        h = static_cast<int>(sc.H() + t * (se.H() - sc.H()) + 0.5);
-    }
-    else {
-        h = static_cast<int>(sc.H() + t * (360 - sc.H() + se.H()) + 0.5);
-
-        if (h > 359) {
-            h -= 360;
-        }
-    }
-
-    double alpha = start.alpha() + t * (end.alpha() - start.alpha());
-
-    return Color(KoColor(h, s, v, KoColor::csHSV).color(), alpha);
-}
-
-KisGradientSegment::LinearInterpolationStrategy *KisGradientSegment::LinearInterpolationStrategy::instance()
-{
-    if (m_instance == 0) {
-        m_instance = new LinearInterpolationStrategy();
-        TQ_CHECK_PTR(m_instance);
-    }
-
-    return m_instance;
-}
-
-double KisGradientSegment::LinearInterpolationStrategy::calcValueAt(double t, double middle)
-{
-    Q_ASSERT(t > -DBL_EPSILON && t < 1 + DBL_EPSILON);
-    Q_ASSERT(middle > -DBL_EPSILON && middle < 1 + DBL_EPSILON);
-
-    double value = 0;
-
-    if (t <= middle) {
-        if (middle < DBL_EPSILON) {
-            value = 0;
-        }
-        else {
-            value = (t / middle) * 0.5;
-        }
-    }
-    else {
-        if (middle > 1 - DBL_EPSILON) {
-            value = 1;
-        }
-        else {
-            value = ((t - middle) / (1 - middle)) * 0.5 + 0.5;
-        }
-    }
-
-    return value;
-}
-
-double KisGradientSegment::LinearInterpolationStrategy::valueAt(double t, double middle) const
-{
-    return calcValueAt(t, middle);
-}
-
-KisGradientSegment::CurvedInterpolationStrategy::CurvedInterpolationStrategy()
-{
-    m_logHalf = log(0.5);
-}
-
-KisGradientSegment::CurvedInterpolationStrategy *KisGradientSegment::CurvedInterpolationStrategy::instance()
-{
-    if (m_instance == 0) {
-        m_instance = new CurvedInterpolationStrategy();
-        TQ_CHECK_PTR(m_instance);
-    }
-
-    return m_instance;
-}
-
-double KisGradientSegment::CurvedInterpolationStrategy::valueAt(double t, double middle) const
-{
-    Q_ASSERT(t > -DBL_EPSILON && t < 1 + DBL_EPSILON);
-    Q_ASSERT(middle > -DBL_EPSILON && middle < 1 + DBL_EPSILON);
-
-    double value = 0;
-
-    if (middle < DBL_EPSILON) {
-        middle = DBL_EPSILON;
-    }
-
-    value = pow(t, m_logHalf / log(middle));
-
-    return value;
-}
-
-KisGradientSegment::SineInterpolationStrategy *KisGradientSegment::SineInterpolationStrategy::instance()
-{
-    if (m_instance == 0) {
-        m_instance = new SineInterpolationStrategy();
-        TQ_CHECK_PTR(m_instance);
-    }
-
-    return m_instance;
-}
-
-double KisGradientSegment::SineInterpolationStrategy::valueAt(double t, double middle) const
-{
-    double lt = LinearInterpolationStrategy::calcValueAt(t, middle);
-    double value = (sin(-M_PI_2 + M_PI * lt) + 1.0) / 2.0;
-
-    return value;
-}
-
-KisGradientSegment::SphereIncreasingInterpolationStrategy *KisGradientSegment::SphereIncreasingInterpolationStrategy::instance()
-{
-    if (m_instance == 0) {
-        m_instance = new SphereIncreasingInterpolationStrategy();
-        TQ_CHECK_PTR(m_instance);
-    }
-
-    return m_instance;
-}
-
-double KisGradientSegment::SphereIncreasingInterpolationStrategy::valueAt(double t, double middle) const
-{
-    double lt = LinearInterpolationStrategy::calcValueAt(t, middle) - 1;
-    double value = sqrt(1 - lt * lt);
-
-    return value;
-}
-
-KisGradientSegment::SphereDecreasingInterpolationStrategy *KisGradientSegment::SphereDecreasingInterpolationStrategy::instance()
-{
-    if (m_instance == 0) {
-        m_instance = new SphereDecreasingInterpolationStrategy();
-        TQ_CHECK_PTR(m_instance);
-    }
-
-    return m_instance;
-}
-
-double KisGradientSegment::SphereDecreasingInterpolationStrategy::valueAt(double t, double middle) const
-{
-    double lt = LinearInterpolationStrategy::calcValueAt(t, middle);
-    double value = 1 - sqrt(1 - lt * lt);
-
-    return value;
-}
-
-#include "kis_gradient.moc"
-