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-rw-r--r--chalk/colorspaces/wet/kis_wet_colorspace.cpp514
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diff --git a/chalk/colorspaces/wet/kis_wet_colorspace.cpp b/chalk/colorspaces/wet/kis_wet_colorspace.cpp
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--- /dev/null
+++ b/chalk/colorspaces/wet/kis_wet_colorspace.cpp
@@ -0,0 +1,514 @@
+/*
+ * Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.org>
+ *
+ * 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 <limits.h>
+#include <stdlib.h>
+
+#include <config.h>
+#include LCMS_HEADER
+
+#include <tqimage.h>
+
+#include <tdelocale.h>
+#include <kdebug.h>
+#include <kis_debug_areas.h>
+#include "kis_abstract_colorspace.h"
+#include "kis_colorspace_factory_registry.h"
+#include "kis_image.h"
+#include "kis_wet_colorspace.h"
+#include "wetphysicsfilter.h"
+#include "kis_integer_maths.h"
+
+namespace {
+ static const WetPix m_paint = { 707, 0, 707, 0, 707, 0, 240, 0 };
+
+ /* colors from Curtis et al, Siggraph 97 */
+
+ static const WetPix m_paintbox[] = {
+ {496, 0, 16992, 0, 3808, 0, 0, 0},
+ {16992, 9744, 21712, 6400, 25024, 3296, 0, 0},
+ {6512, 6512, 6512, 4880, 11312, 0, 0, 0},
+ {16002, 0, 2848, 0, 16992, 0, 0, 0},
+ {22672, 0, 5328, 2272, 4288, 2640, 0, 0},
+ {8000, 0, 16992, 0, 28352, 0, 0, 0},
+ {5696, 5696, 12416, 2496, 28352, 0, 0, 0},
+ {0, 0, 5136, 0, 28352, 0, 0, 0},
+ {2320, 1760, 7344, 4656, 28352, 0, 0, 0},
+ {8000, 0, 3312, 0, 5504, 0, 0, 0},
+ {13680, 0, 16992, 0, 3312, 0, 0, 0},
+ {5264, 5136, 1056, 544, 6448, 6304, 0, 0},
+ {11440, 11440, 11440, 11440, 11440, 11440, 0, 0},
+ {11312, 0, 11312, 0, 11312, 0, 0, 0},
+ {0, 0, 0, 0, 0, 0, 0, 0} };
+
+ static const int m_nPaints = 15;
+}
+
+void wetPixToDouble(WetPixDbl * dst, WetPix *src)
+{
+ dst->rd = (1.0 / 8192.0) * src->rd;
+ dst->rw = (1.0 / 8192.0) * src->rw;
+ dst->gd = (1.0 / 8192.0) * src->gd;
+ dst->gw = (1.0 / 8192.0) * src->gw;
+ dst->bd = (1.0 / 8192.0) * src->bd;
+ dst->bw = (1.0 / 8192.0) * src->bw;
+ dst->w = (1.0 / 8192.0) * src->w;
+ dst->h = (1.0 / 8192.0) * src->h;
+}
+
+void wetPixFromDouble(WetPix * dst, WetPixDbl *src)
+{
+ int v;
+
+ v = (int)floor (8192.0 * src->rd + 0.5);
+ dst->rd = CLAMP(v, 0, 65535);
+
+ v = (int)floor (8192.0 * src->rw + 0.5);
+ dst->rw = CLAMP(v, 0, 65535);
+
+ v = (int)floor (8192.0 * src->gd + 0.5);
+ dst->gd = CLAMP(v, 0, 65535);
+
+ v = (int)floor (8192.0 * src->gw + 0.5);
+ dst->gw = CLAMP(v, 0, 65535);
+
+ v = (int)floor (8192.0 * src->bd + 0.5);
+ dst->bd = CLAMP(v, 0, 65535);
+
+ v = (int)floor (8192.0 * src->bw + 0.5);
+ dst->bw = CLAMP(v, 0, 65535);
+
+ v = (int)floor (8192.0 * src->w + 0.5);
+ dst->w = CLAMP(v, 0, 511);
+
+ v = (int)floor (8192.0 * src->h + 0.5);
+ dst->h = CLAMP(v, 0, 511);
+
+}
+
+int getH(int r, int g, int b)
+{
+ int h, s, v;
+ TQColor c(r,g, b);
+ c.getHsv(&h, &s, &v);
+ return h;
+}
+
+KisWetColorSpace::KisWetColorSpace(KisColorSpaceFactoryRegistry * parent, KisProfile *p) :
+ KisAbstractColorSpace(KisID("WET", i18n("Watercolors")), 0, icMaxEnumData, parent, p)
+{
+ wet_init_render_tab();
+
+ m_paintNames << i18n("Quinacridone Rose")
+ << i18n("Indian Red")
+ << i18n("Cadmium Yellow")
+ << i18n("Hookers Green")
+ << i18n("Cerulean Blue")
+ << i18n("Burnt Umber")
+ << i18n("Cadmium Red")
+ << i18n("Brilliant Orange")
+ << i18n("Hansa Yellow")
+ << i18n("Phthalo Green")
+ << i18n("French Ultramarine")
+ << i18n("Interference Lilac")
+ << i18n("Titanium White")
+ << i18n("Ivory Black")
+ << i18n("Pure Water");
+
+ m_channels.push_back(new KisChannelInfo(i18n("Red Concentration"), "Rc", 0, KisChannelInfo::COLOR, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Myth Red"), "Rm", 1, KisChannelInfo::COLOR, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Green Concentration"), "Gc", 2, KisChannelInfo::COLOR, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Myth Green"), "Gm", 3, KisChannelInfo::COLOR, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Blue Concentration"), "Bc", 4, KisChannelInfo::COLOR, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Myth Blue"), "Bm", 5, KisChannelInfo::COLOR, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Water Volume"), "W", 6, KisChannelInfo::SUBSTANCE, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Paper Height"), "H", 7, KisChannelInfo::SUBSTANCE, KisChannelInfo::UINT16));
+
+ m_channels.push_back(new KisChannelInfo(i18n("Adsorbed Red Concentration"), "Rc", 8, KisChannelInfo::COLOR, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Adsorbed Myth Red"), "Rm", 9, KisChannelInfo::COLOR, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Adsorbed Green Concentration"), "Gc", 10, KisChannelInfo::COLOR, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Adsorbed Myth Green"), "Gm", 11, KisChannelInfo::COLOR, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Adsorbed Blue Concentration"), "Bc", 12, KisChannelInfo::COLOR, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Adsorbed Myth Blue"), "Bm", 13, KisChannelInfo::COLOR, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Adsorbed Water Volume"), "W", 14, KisChannelInfo::SUBSTANCE, KisChannelInfo::UINT16));
+ m_channels.push_back(new KisChannelInfo(i18n("Adsorbed Paper Height"), "H", 15, KisChannelInfo::SUBSTANCE, KisChannelInfo::UINT16));
+
+ // Store the hue; we'll pick the paintbox color that closest to the given TQColor's hue.
+ m_conversionMap[getH(240, 32, 160)] = m_paintbox[0]; // Quinacridone Rose
+ m_conversionMap[getH(159, 88, 43)] = m_paintbox[1]; // Indian Red
+ m_conversionMap[getH(254, 220, 64)] = m_paintbox[2]; // Cadmium Yellow
+ m_conversionMap[getH(36, 180, 32)] = m_paintbox[3]; // Hookers Green
+ m_conversionMap[getH(16, 185, 215)] = m_paintbox[4]; // Cerulean Blue
+ m_conversionMap[getH(96, 32, 8)] = m_paintbox[5]; // Burnt Umber
+ m_conversionMap[getH(254, 96, 8)] = m_paintbox[6]; // Cadmium Red
+ m_conversionMap[getH(255, 136, 8)] = m_paintbox[7]; // Brilliant Orange
+ m_conversionMap[getH(240, 199, 8)] = m_paintbox[8]; // Hansa Yellow
+ m_conversionMap[getH(96, 170, 130)] = m_paintbox[9]; // Phthalo Green
+ m_conversionMap[getH(48, 32, 170)] = m_paintbox[10]; // French Ultramarine
+ m_conversionMap[getH(118, 16, 135)] = m_paintbox[11]; // Interference Lilac
+ m_conversionMap[getH(254, 254, 254)] = m_paintbox[12]; // Titanium White
+ m_conversionMap[getH(64, 64, 74)] = m_paintbox[13]; // Ivory Black
+
+ m_paintwetness = false;
+ phasebig = 0;
+}
+
+
+KisWetColorSpace::~KisWetColorSpace()
+{
+}
+
+void KisWetColorSpace::fromTQColor(const TQColor& c, TQ_UINT8 *dst, KisProfile * /*profile*/)
+{
+ WetPack* p = reinterpret_cast<WetPack*>(dst);
+
+ int h = getH(c.red(), c.green(), c.blue());
+ int delta = 256;
+ int key = 0;
+ TQMap<int, WetPix>::Iterator it;
+ TQMap<int, WetPix>::Iterator end = m_conversionMap.end();
+ for (it = m_conversionMap.begin(); it != end; ++it) {
+ if (abs(it.key() - h) < delta) {
+ delta = abs(it.key() - h);
+ key = it.key();
+ }
+ }
+
+ // Translate the special TQCOlors from our paintbox to wetpaint paints.
+ if (m_conversionMap.contains(key)) {
+ (*p).paint = m_conversionMap[key];
+ (*p).adsorb = m_conversionMap[key]; // or maybe best add water here?
+ } else {
+ // water
+ (*p).paint = m_paintbox[14];
+ (*p).adsorb = m_paintbox[14];
+ }
+}
+
+void KisWetColorSpace::fromTQColor(const TQColor& c, TQ_UINT8 /*opacity*/, TQ_UINT8 *dst, KisProfile * /*profile*/)
+{
+ fromTQColor(c, dst);
+}
+
+ TQ_UINT8 KisWetColorSpace::getAlpha(const TQ_UINT8 */*pixel*/) const
+{
+ return OPACITY_OPAQUE;
+}
+
+void KisWetColorSpace::setAlpha( TQ_UINT8 * /*pixels*/, TQ_UINT8 /*alpha*/, TQ_INT32 /*nPixels*/) const
+{
+}
+
+void KisWetColorSpace::multiplyAlpha( TQ_UINT8 * /*pixels*/, TQ_UINT8 /*alpha*/, TQ_INT32 /*nPixels*/)
+{
+}
+
+void KisWetColorSpace::applyAlphaU8Mask( TQ_UINT8 * /*pixels*/, TQ_UINT8 * /*alpha*/, TQ_INT32 /*nPixels*/)
+{
+}
+
+void KisWetColorSpace::applyInverseAlphaU8Mask( TQ_UINT8 * /*pixels*/, TQ_UINT8 * /*alpha*/, TQ_INT32 /*nPixels*/)
+{
+}
+
+ TQ_UINT8 KisWetColorSpace::scaleToU8(const TQ_UINT8 * /*srcPixel*/, TQ_INT32 /*channelPos*/)
+{
+ return 0;
+}
+
+TQ_UINT16 KisWetColorSpace::scaleToU16(const TQ_UINT8 * /*srcPixel*/, TQ_INT32 /*channelPos*/)
+{
+ return 0;
+}
+
+
+void KisWetColorSpace::toTQColor(const TQ_UINT8 *src, TQColor *c, KisProfile * /*profile*/)
+{
+ TQ_UINT8 * rgb = new TQ_UINT8[3];
+ TQ_CHECK_PTR(rgb);
+
+ memset(rgb, 255, 3);
+
+ // Composite the two layers in each pixelSize
+
+ WetPack * wp = (WetPack*)src;
+
+ // First the adsorption layer
+ wet_composite(RGB, rgb, &wp->adsorb);
+
+ // Then the paint layer (which comes first in our double-packed pixel)
+ wet_composite(RGB, rgb, &wp->paint);
+
+ c->setRgb(rgb[0], rgb[1], rgb[2]);
+
+ delete[]rgb;
+}
+
+void KisWetColorSpace::toTQColor(const TQ_UINT8 *src, TQColor *c, TQ_UINT8 */*opacity*/, KisProfile * /*profile*/)
+{
+ toTQColor(src, c);
+}
+
+void KisWetColorSpace::mixColors(const TQ_UINT8 **/*colors*/, const TQ_UINT8 */*weights*/, TQ_UINT32 /*nColors*/, TQ_UINT8 */*dst*/) const
+{
+}
+
+TQValueVector<KisChannelInfo *> KisWetColorSpace::channels() const
+{
+ return m_channels;
+}
+
+ TQ_UINT32 KisWetColorSpace::nChannels() const
+{
+ return 16;
+}
+
+ TQ_UINT32 KisWetColorSpace::nColorChannels() const
+{
+ return 12;
+}
+
+ TQ_UINT32 KisWetColorSpace::nSubstanceChannels() const
+{
+ return 4;
+}
+
+
+ TQ_UINT32 KisWetColorSpace::pixelSize() const
+{
+ return 32; // This color strategy wants an unsigned short for each
+ // channel, and every pixel consists of two wetpix structs
+ // -- even though for many purposes we need only one wetpix
+ // struct.
+}
+
+
+
+// XXX: use profiles to display correctly on calibrated displays.
+TQImage KisWetColorSpace::convertToTQImage(const TQ_UINT8 *data, TQ_INT32 width, TQ_INT32 height,
+ KisProfile * /*dstProfile*/,
+ TQ_INT32 /*renderingIntent*/, float /*exposure*/)
+{
+
+ TQImage img(width, height, 32);
+
+ TQ_UINT8 *rgb = (TQ_UINT8*) img.bits();
+ const WetPack* wetData = reinterpret_cast<const WetPack*>(data);
+
+ // Clear to white -- the following code actually composits the contents of the
+ // wet pixels with the contents of the image buffer, so they need to be
+ // prepared
+ memset(rgb, 255, width * height * 4);
+ // Composite the two layers in each pixelSize
+
+ TQ_INT32 i = 0;
+ while ( i < width * height) {
+ // First the adsorption layers
+ WetPack* wp = const_cast<WetPack*>(&wetData[i]); // XXX don't do these things!
+ // XXX Probably won't work on MSB archs!
+ wet_composite(BGR, rgb, &(wp->adsorb));
+ // Then the paint layer (which comes first in our double-packed pixel)
+ wet_composite(BGR, rgb, &(wp->paint));
+
+ // XXX pay attention to this comment!!
+ // Display the wet stripes -- this only works if we have at least three scanlines in height,
+ // because otherwise the phase trick won't work.
+
+ // Because we work in a stateless thing, and we can't just draw this wetness
+ // indication AFTER this (e.g. like the selection), we have to do un nice things:
+ // Because we (hopefully atm!) don't use the height of the paint wetpix, we abuse
+ // that to store a state. It's not perfect, but it works for now...
+ if (m_paintwetness) {
+ wet_render_wetness(rgb, wp);
+ }
+
+ i++;
+ rgb += sizeof( TQ_UINT32); // Because the TQImage is 4 bytes deep.
+
+ }
+
+ return img;
+}
+
+void KisWetColorSpace::bitBlt( TQ_UINT8 *dst,
+ TQ_INT32 dstRowSize,
+ const TQ_UINT8 *src,
+ TQ_INT32 srcRowStride,
+ const TQ_UINT8 */*srcAlphaMask*/,
+ TQ_INT32 /*maskRowStride*/,
+ TQ_UINT8 /*opacity*/,
+ TQ_INT32 rows,
+ TQ_INT32 cols,
+ const KisCompositeOp& op)
+{
+ if (rows <= 0 || cols <= 0)
+ return;
+
+ TQ_UINT8 *d;
+ const TQ_UINT8 *s;
+
+ TQ_INT32 linesize = pixelSize() * cols;
+ d = dst;
+ s = src;
+
+ // Do as if we 'stack' them atop of each other
+ if (op == COMPOSITE_OVER) {
+ while (rows-- > 0) {
+ for (int i = 0; i < cols; i++) {
+ WetPack* dstPack = &(reinterpret_cast<WetPack*>(d))[i];
+ const WetPack* srcPack = &(reinterpret_cast<const WetPack*>(s))[i];
+ combinePixels(&(dstPack->paint), &(dstPack->paint), &(srcPack->paint));
+ combinePixels(&(dstPack->adsorb), &(dstPack->adsorb), &(srcPack->adsorb));
+ }
+ d += dstRowSize; // size??
+ s += srcRowStride;
+ }
+
+ return;
+ }
+
+ // Just copy the src onto the dst, we don't do fancy things here,
+ // we do those in the paint op, because we need pressure to determine
+ // paint deposition.
+
+ while (rows-- > 0) {
+ memcpy(d, s, linesize);
+ d += dstRowSize; // size??
+ s += srcRowStride;
+ }
+}
+
+void KisWetColorSpace::wet_init_render_tab()
+{
+ int i;
+
+ double d;
+ int a, b;
+
+ wet_render_tab = new TQ_UINT32[4096];
+ TQ_CHECK_PTR(wet_render_tab);
+
+ for (i = 0; i < 4096; i++)
+ {
+ d = i * (1.0 / 512.0);
+
+ if (i == 0)
+ a = 0;
+ else
+ a = (int) floor (0xff00 / i + 0.5);
+
+ b = (int) floor (0x8000 * exp (-d) + 0.5);
+ wet_render_tab[i] = (a << 16) | b;
+ }
+
+}
+
+void KisWetColorSpace::wet_composite(RGBMode m, TQ_UINT8 *rgb, WetPix * wet)
+{
+ int r, g, b;
+ int d, w;
+ int ab;
+ int wa;
+
+ if (m == RGB)
+ r = rgb[0];
+ else
+ r = rgb[2];
+ w = wet[0].rw >> 4;
+ d = wet[0].rd >> 4;
+
+ ab = wet_render_tab[d];
+
+ wa = (w * (ab >> 16) + 0x80) >> 8;
+ r = wa + (((r - wa) * (ab & 0xffff) + 0x4000) >> 15);
+ if (m == RGB)
+ rgb[0] = r;
+ else
+ rgb[2] = r;
+
+ // Green is 1 both in RGB as BGR
+ g = rgb[1];
+ w = wet[0].gw >> 4;
+ d = wet[0].gd >> 4;
+ d = d >= 4096 ? 4095 : d;
+ ab = wet_render_tab[d];
+ wa = (w * (ab >> 16) + 0x80) >> 8;
+ g = wa + (((g - wa) * (ab & 0xffff) + 0x4000) >> 15);
+ rgb[1] = g;
+
+ if (m == RGB)
+ b = rgb[2];
+ else
+ b = rgb[0];
+ w = wet[0].bw >> 4;
+ d = wet[0].bd >> 4;
+ d = d >= 4096 ? 4095 : d;
+ ab = wet_render_tab[d];
+ wa = (w * (ab >> 16) + 0x80) >> 8;
+ b = wa + (((b - wa) * (ab & 0xffff) + 0x4000) >> 15);
+ if (m == RGB)
+ rgb[2] = b;
+ else
+ rgb[0] = b;
+}
+
+void KisWetColorSpace::wet_render_wetness( TQ_UINT8 * rgb, WetPack * pack)
+{
+ int highlight = 255 - (pack->paint.w >> 1);
+
+ if (highlight < 255 && ((phase++) % 3 == 0)) {
+ for (int i = 0; i < 3; i++)
+ rgb[i] = 255 - (((255 - rgb[i]) * highlight) >> 8);
+ }
+ phase &= 3;
+}
+
+KisCompositeOpList KisWetColorSpace::userVisiblecompositeOps() const
+{
+ KisCompositeOpList list;
+
+ list.append(KisCompositeOp(COMPOSITE_OVER));
+
+ return list;
+}
+
+TQString KisWetColorSpace::channelValueText(const TQ_UINT8 *U8_pixel, TQ_UINT32 channelIndex) const
+{
+ Q_ASSERT(channelIndex < nChannels());
+ const TQ_UINT16 *pixel = reinterpret_cast<const TQ_UINT16 *>(U8_pixel);
+ TQ_UINT32 channelPosition = m_channels[channelIndex]->pos();
+
+ return TQString().setNum(pixel[channelPosition]);
+}
+
+TQString KisWetColorSpace::normalisedChannelValueText(const TQ_UINT8 *U8_pixel, TQ_UINT32 channelIndex) const
+{
+ Q_ASSERT(channelIndex < nChannels());
+ const TQ_UINT16 *pixel = reinterpret_cast<const TQ_UINT16 *>(U8_pixel);
+ TQ_UINT32 channelPosition = m_channels[channelIndex]->pos();
+
+ return TQString().setNum(static_cast<float>(pixel[channelPosition]) / UINT16_MAX);
+}
+
+TQValueList<KisFilter *> KisWetColorSpace::createBackgroundFilters()
+{
+ TQValueList<KisFilter *> filterList;
+ KisFilter * f = new WetPhysicsFilter();
+ filterList << f;
+ return filterList;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 08:10:58 +0000