2016-03-19 06:57:51 +13:00
|
|
|
|
|
|
|
|
|
|
|
#include "blend.h"
|
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
// TPoint structure
|
2016-03-19 06:57:51 +13:00
|
|
|
#include "tgeometry.h"
|
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
// Palette - pixel functions
|
2016-03-19 06:57:51 +13:00
|
|
|
#include "tpalette.h"
|
|
|
|
#include "tpixelutils.h"
|
|
|
|
|
|
|
|
#include <vector>
|
2016-04-27 18:04:18 +12:00
|
|
|
#include <memory>
|
2016-03-19 06:57:51 +13:00
|
|
|
|
|
|
|
//=================================================================================
|
|
|
|
|
|
|
|
//===========================
|
|
|
|
// Blur pattern class
|
|
|
|
//---------------------------
|
|
|
|
|
|
|
|
//! The BlurPattern class delineates the idea of a 'blur'
|
|
|
|
//! pattern from a number of random sample points taken
|
|
|
|
//! in a neighbourhood of the blurred pixel. The pattern
|
|
|
|
//! develops in a radial manner if specified, so that possible
|
|
|
|
//! 'obstacles' in the blur can be identified.
|
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
class BlurPattern {
|
2016-03-19 06:57:51 +13:00
|
|
|
public:
|
2016-06-15 18:43:10 +12:00
|
|
|
typedef std::vector<TPoint> SamplePath;
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
std::vector<TPoint> m_samples;
|
|
|
|
std::vector<SamplePath> m_samplePaths;
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
BlurPattern(double distance, unsigned int samplesCount, bool radial);
|
|
|
|
~BlurPattern() {}
|
2016-03-19 06:57:51 +13:00
|
|
|
};
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
// Builds the specified number of samples count, inside the specified distance
|
|
|
|
// from the origin. If the pattern is radial, paths to the samples points are
|
|
|
|
// calculated.
|
|
|
|
BlurPattern::BlurPattern(double distance, unsigned int samplesCount,
|
|
|
|
bool radial) {
|
|
|
|
const double randFactor = 2.0 * distance / RAND_MAX;
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
m_samples.resize(samplesCount);
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
// Build the samples
|
|
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < samplesCount; ++i) {
|
|
|
|
// NOTE: The following method ensures a perfectly flat probability
|
|
|
|
// distribution.
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
TPoint candidatePoint(tround(rand() * randFactor - distance),
|
|
|
|
tround(rand() * randFactor - distance));
|
|
|
|
double distanceSq = sq(distance);
|
|
|
|
while (sq(candidatePoint.x) + sq(candidatePoint.y) > distanceSq)
|
|
|
|
candidatePoint = TPoint(tround(rand() * randFactor - distance),
|
|
|
|
tround(rand() * randFactor - distance));
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
m_samples[i] = candidatePoint;
|
|
|
|
}
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
m_samplePaths.resize(samplesCount);
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
// If necessary, build the paths
|
|
|
|
if (radial) {
|
|
|
|
for (i = 0; i < samplesCount; ++i) {
|
|
|
|
TPoint &sample = m_samples[i];
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
int l = std::max(abs(sample.x), abs(sample.y));
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
m_samplePaths[i].reserve(l);
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
double dx = sample.x / (double)l;
|
|
|
|
double dy = sample.y / (double)l;
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
double x, y;
|
|
|
|
int j;
|
|
|
|
for (j = 0, x = dx, y = dy; j < l; x += dx, y += dy, ++j)
|
|
|
|
m_samplePaths[i].push_back(TPoint(tround(x), tround(y)));
|
|
|
|
}
|
|
|
|
}
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
|
|
|
|
//=================================================================================
|
|
|
|
|
|
|
|
//=================================
|
|
|
|
// Raster Selection classes
|
|
|
|
//---------------------------------
|
|
|
|
|
|
|
|
struct SelectionData {
|
2016-06-15 18:43:10 +12:00
|
|
|
UCHAR m_selectedInk : 1;
|
|
|
|
UCHAR m_selectedPaint : 1;
|
|
|
|
UCHAR m_pureInk : 1;
|
|
|
|
UCHAR m_purePaint : 1;
|
2016-03-19 06:57:51 +13:00
|
|
|
};
|
|
|
|
|
|
|
|
//=================================================================================
|
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
// Implements an array of selection infos using bitfields. It seems that
|
|
|
|
// bitfields are more optimized than
|
|
|
|
// using raw bits and bitwise operators, and use just the double of the space
|
|
|
|
// required with bit arrays.
|
|
|
|
class SelectionArrayPtr {
|
|
|
|
std::unique_ptr<SelectionData[]> m_buffer;
|
2016-03-19 06:57:51 +13:00
|
|
|
|
|
|
|
public:
|
2016-06-15 18:43:10 +12:00
|
|
|
inline void allocate(unsigned int count) {
|
|
|
|
m_buffer.reset(new SelectionData[count]);
|
|
|
|
memset(m_buffer.get(), 0, count * sizeof(SelectionData));
|
|
|
|
}
|
|
|
|
|
|
|
|
inline void destroy() { m_buffer.reset(); }
|
|
|
|
|
|
|
|
inline SelectionData *data() const { return m_buffer.get(); }
|
|
|
|
|
|
|
|
inline SelectionData *data() { return m_buffer.get(); }
|
2016-03-19 06:57:51 +13:00
|
|
|
};
|
|
|
|
|
|
|
|
//=================================================================================
|
|
|
|
|
|
|
|
// Bitmap used to store blend color selections and pure color informations.
|
2016-06-15 18:43:10 +12:00
|
|
|
class SelectionRaster {
|
|
|
|
SelectionArrayPtr m_selection;
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
int m_wrap;
|
2016-03-19 06:57:51 +13:00
|
|
|
|
|
|
|
public:
|
2016-06-15 18:43:10 +12:00
|
|
|
SelectionRaster(TRasterCM32P cm);
|
|
|
|
|
|
|
|
void updateSelection(TRasterCM32P cm, const BlendParam ¶m);
|
|
|
|
|
|
|
|
SelectionData *data() const { return m_selection.data(); }
|
|
|
|
|
|
|
|
SelectionData *data() { return m_selection.data(); }
|
|
|
|
|
|
|
|
void destroy() { m_selection.destroy(); }
|
|
|
|
|
|
|
|
bool isSelectedInk(int xy) const {
|
|
|
|
return (m_selection.data() + xy)->m_selectedInk;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool isSelectedInk(int x, int y) const {
|
|
|
|
return isSelectedInk(x + y * m_wrap);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool isSelectedPaint(int xy) const {
|
|
|
|
return (m_selection.data() + xy)->m_selectedPaint;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool isSelectedPaint(int x, int y) const {
|
|
|
|
return isSelectedPaint(x + y * m_wrap);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool isPureInk(int xy) const { return (m_selection.data() + xy)->m_pureInk; }
|
|
|
|
|
|
|
|
bool isPureInk(int x, int y) const { return isPureInk(x + y * m_wrap); }
|
|
|
|
|
|
|
|
bool isPurePaint(int xy) const {
|
|
|
|
return (m_selection.data() + xy)->m_purePaint;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool isPurePaint(int x, int y) const { return isPurePaint(x + y * m_wrap); }
|
|
|
|
|
|
|
|
bool isToneColor(int xy) const { return !(isPureInk(xy) || isPurePaint(xy)); }
|
|
|
|
|
|
|
|
bool isToneColor(int x, int y) const { return isToneColor(x + y * m_wrap); }
|
2016-03-19 06:57:51 +13:00
|
|
|
};
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
inline UCHAR linearSearch(const int *v, unsigned int vSize, int k) {
|
|
|
|
const int *vEnd = v + vSize;
|
|
|
|
for (; v < vEnd; ++v)
|
|
|
|
if (*v == k) return 1;
|
|
|
|
return 0;
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
// I've seen the std::binary_search go particularly slow... perhaps it was the
|
|
|
|
// debug mode,
|
2016-03-19 06:57:51 +13:00
|
|
|
// but I guess this is the fastest version possible.
|
2016-06-15 18:43:10 +12:00
|
|
|
inline UCHAR binarySearch(const int *v, unsigned int vSize, int k) {
|
|
|
|
// NOTE: v.size() > 0 due to external restrictions. See SelectionRaster's
|
|
|
|
// constructor.
|
|
|
|
|
|
|
|
int a = -1, b, c = vSize;
|
|
|
|
|
|
|
|
for (b = c >> 1; b != a; b = (a + c) >> 1) {
|
|
|
|
if (v[b] == k)
|
|
|
|
return 1;
|
|
|
|
else if (k < v[b])
|
|
|
|
c = b;
|
|
|
|
else
|
|
|
|
a = b;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
SelectionRaster::SelectionRaster(TRasterCM32P cm) {
|
|
|
|
unsigned int lx = cm->getLx(), ly = cm->getLy(), wrap = cm->getWrap();
|
|
|
|
unsigned int size = lx * ly;
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
m_wrap = lx;
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
m_selection.allocate(size);
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
cm->lock();
|
|
|
|
TPixelCM32 *pix, *pixBegin = (TPixelCM32 *)cm->getRawData();
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
SelectionData *selData = data();
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
unsigned int i, j;
|
|
|
|
for (i = 0; i < ly; ++i) {
|
|
|
|
pix = pixBegin + i * wrap;
|
|
|
|
for (j = 0; j < lx; ++j, ++pix, ++selData) {
|
|
|
|
selData->m_pureInk = pix->getTone() == 0;
|
|
|
|
selData->m_purePaint = pix->getTone() == 255;
|
|
|
|
}
|
|
|
|
}
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
cm->unlock();
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
void SelectionRaster::updateSelection(TRasterCM32P cm,
|
|
|
|
const BlendParam ¶m) {
|
|
|
|
// Make a hard copy of color indexes. We do so since we absolutely prefer
|
|
|
|
// having them SORTED!
|
|
|
|
std::vector<int> cIndexes = param.colorsIndexes;
|
|
|
|
std::sort(cIndexes.begin(), cIndexes.end());
|
|
|
|
|
|
|
|
unsigned int lx = cm->getLx(), ly = cm->getLy(), wrap = cm->getWrap();
|
|
|
|
|
|
|
|
// Scan each cm pixel, looking if its ink or paint is in param's colorIndexes.
|
|
|
|
cm->lock();
|
|
|
|
TPixelCM32 *pix, *pixBegin = (TPixelCM32 *)cm->getRawData();
|
|
|
|
|
|
|
|
SelectionData *selData = data();
|
|
|
|
|
|
|
|
const int *v =
|
|
|
|
&cIndexes[0]; // NOTE: cIndexes.size() > 0 due to external check.
|
|
|
|
unsigned int vSize = cIndexes.size();
|
|
|
|
unsigned int i, j;
|
|
|
|
|
|
|
|
// NOTE: It seems that linear searches are definitely best for small color
|
|
|
|
// indexes.
|
|
|
|
if (vSize > 50) {
|
|
|
|
for (i = 0; i < ly; ++i) {
|
|
|
|
pix = pixBegin + i * wrap;
|
|
|
|
for (j = 0; j < lx; ++j, ++pix, ++selData) {
|
|
|
|
selData->m_selectedInk = binarySearch(v, vSize, pix->getInk());
|
|
|
|
selData->m_selectedPaint = binarySearch(v, vSize, pix->getPaint());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
for (i = 0; i < ly; ++i) {
|
|
|
|
pix = pixBegin + i * wrap;
|
|
|
|
for (j = 0; j < lx; ++j, ++pix, ++selData) {
|
|
|
|
selData->m_selectedInk = linearSearch(v, vSize, pix->getInk());
|
|
|
|
selData->m_selectedPaint = linearSearch(v, vSize, pix->getPaint());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
cm->unlock();
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
|
|
|
|
//=================================================================================
|
|
|
|
|
|
|
|
//========================
|
|
|
|
// Blend functions
|
|
|
|
//------------------------
|
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
// Pixel whose channels are doubles. Used to store intermediate values for pixel
|
|
|
|
// blending.
|
2016-03-19 06:57:51 +13:00
|
|
|
struct DoubleRGBMPixel {
|
2016-06-15 18:43:10 +12:00
|
|
|
double r;
|
|
|
|
double g;
|
|
|
|
double b;
|
|
|
|
double m;
|
2016-03-19 06:57:51 +13:00
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
DoubleRGBMPixel() : r(0.0), g(0.0), b(0.0), m(0.0) {}
|
2016-03-19 06:57:51 +13:00
|
|
|
};
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
const double maxTone = TPixelCM32::getMaxTone();
|
|
|
|
|
|
|
|
// Returns the ink & paint convex factors associated with passed tone.
|
2016-06-15 18:43:10 +12:00
|
|
|
inline void getFactors(int tone, double &inkFactor, double &paintFactor) {
|
|
|
|
paintFactor = tone / maxTone;
|
|
|
|
inkFactor = (1.0 - paintFactor);
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
// Copies the cmIn paint and ink colors to the output rasters.
|
2016-07-14 00:05:06 +12:00
|
|
|
static void buildLayers(const TRasterCM32P &cmIn,
|
2016-08-04 19:23:36 +12:00
|
|
|
const std::vector<TPixel32> &palColors,
|
|
|
|
TRaster32P &inkRaster, TRaster32P &paintRaster) {
|
2016-06-15 18:43:10 +12:00
|
|
|
// Separate cmIn by copying the ink & paint colors directly to the layer
|
|
|
|
// rasters.
|
|
|
|
TPixelCM32 *cmPix, *cmBegin = (TPixelCM32 *)cmIn->getRawData();
|
|
|
|
TPixel32 *inkPix = (TPixel32 *)inkRaster->getRawData();
|
|
|
|
TPixel32 *paintPix = (TPixel32 *)paintRaster->getRawData();
|
|
|
|
|
|
|
|
unsigned int i, j, lx = cmIn->getLx(), ly = cmIn->getLy(),
|
|
|
|
wrap = cmIn->getWrap();
|
|
|
|
for (i = 0; i < ly; ++i) {
|
|
|
|
cmPix = cmBegin + i * wrap;
|
|
|
|
|
|
|
|
for (j = 0; j < lx; ++j, ++cmPix, ++inkPix, ++paintPix) {
|
|
|
|
*inkPix = palColors[cmPix->getInk()];
|
|
|
|
*paintPix = palColors[cmPix->getPaint()];
|
|
|
|
|
|
|
|
// Should pure colors be checked...?
|
|
|
|
}
|
|
|
|
}
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
// Returns true or false whether the selectedColor is the only selectable color
|
2016-06-15 18:43:10 +12:00
|
|
|
// in the neighbourhood. If so, the blend copies it to the output layer pixel
|
|
|
|
// directly.
|
|
|
|
inline bool isFlatNeighbourhood(int selectedColor, const TRasterCM32P &cmIn,
|
|
|
|
const TPoint &pos,
|
|
|
|
const SelectionRaster &selRas,
|
|
|
|
const BlurPattern &blurPattern) {
|
|
|
|
TPixelCM32 &pix = cmIn->pixels(pos.y)[pos.x];
|
|
|
|
int lx = cmIn->getLx(), ly = cmIn->getLy();
|
|
|
|
unsigned int xy;
|
|
|
|
|
|
|
|
TPoint samplePix;
|
|
|
|
|
|
|
|
const TPoint *samplePoint =
|
|
|
|
blurPattern.m_samples.empty() ? 0 : &blurPattern.m_samples[0];
|
|
|
|
|
|
|
|
// Read the samples to determine if they only have posSelectedColor
|
|
|
|
unsigned int i, samplesCount = blurPattern.m_samples.size();
|
|
|
|
for (i = 0; i < samplesCount; ++i, ++samplePoint) {
|
|
|
|
// Make sure the sample is inside the image
|
|
|
|
samplePix.x = pos.x + samplePoint->x;
|
|
|
|
samplePix.y = pos.y + samplePoint->y;
|
|
|
|
|
|
|
|
xy = samplePix.x + lx * samplePix.y;
|
|
|
|
|
|
|
|
if (samplePix.x < 0 || samplePix.y < 0 || samplePix.x >= lx ||
|
|
|
|
samplePix.y >= ly)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (!selRas.isPurePaint(xy) && selRas.isSelectedInk(xy))
|
|
|
|
if (cmIn->pixels(samplePix.y)[samplePix.x].getInk() != selectedColor)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
if (!selRas.isPureInk(xy) && selRas.isSelectedPaint(xy))
|
|
|
|
if (cmIn->pixels(samplePix.y)[samplePix.x].getPaint() != selectedColor)
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
// Calculates the estimate of blend selection in the neighbourhood specified by
|
|
|
|
// blurPattern.
|
2016-06-15 18:43:10 +12:00
|
|
|
inline void addSamples(const TRasterCM32P &cmIn, const TPoint &pos,
|
|
|
|
const TRaster32P &inkRas, const TRaster32P &paintRas,
|
|
|
|
const SelectionRaster &selRas,
|
|
|
|
const BlurPattern &blurPattern, DoubleRGBMPixel &pixSum,
|
|
|
|
double &factorsSum) {
|
|
|
|
double inkFactor, paintFactor;
|
|
|
|
unsigned int xy, j, l;
|
|
|
|
int lx = cmIn->getLx(), ly = cmIn->getLy();
|
|
|
|
TPixel32 *color;
|
|
|
|
TPoint samplePos, pathPos;
|
|
|
|
|
|
|
|
const TPoint *samplePoint =
|
|
|
|
blurPattern.m_samples.empty() ? 0 : &blurPattern.m_samples[0];
|
|
|
|
const TPoint *pathPoint;
|
|
|
|
|
|
|
|
unsigned int i, blurSamplesCount = blurPattern.m_samples.size();
|
|
|
|
for (i = 0; i < blurSamplesCount; ++i, ++samplePoint) {
|
|
|
|
// Add each samples contribute to the sum
|
|
|
|
samplePos.x = pos.x + samplePoint->x;
|
|
|
|
samplePos.y = pos.y + samplePoint->y;
|
|
|
|
if (samplePos.x < 0 || samplePos.y < 0 || samplePos.x >= lx ||
|
|
|
|
samplePos.y >= ly)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
// Ensure that each pixel on the sample's path (if any) is selected
|
|
|
|
l = blurPattern.m_samplePaths[i].size();
|
|
|
|
pathPoint = blurPattern.m_samplePaths[i].empty()
|
|
|
|
? 0
|
|
|
|
: &blurPattern.m_samplePaths[i][0];
|
|
|
|
for (j = 0; j < l; ++j, ++pathPoint) {
|
|
|
|
pathPos.x = pos.x + pathPoint->x;
|
|
|
|
pathPos.y = pos.y + pathPoint->y;
|
|
|
|
xy = pathPos.x + lx * pathPos.y;
|
|
|
|
|
|
|
|
if (!(selRas.isPurePaint(xy) || selRas.isSelectedInk(xy))) break;
|
|
|
|
|
|
|
|
if (!(selRas.isPureInk(xy) || selRas.isSelectedPaint(xy))) break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (j < l) continue;
|
|
|
|
|
|
|
|
xy = samplePos.x + lx * samplePos.y;
|
|
|
|
|
|
|
|
if (selRas.isSelectedInk(xy) && !selRas.isPurePaint(xy)) {
|
|
|
|
getFactors(cmIn->pixels(samplePos.y)[samplePos.x].getTone(), inkFactor,
|
|
|
|
paintFactor);
|
|
|
|
|
|
|
|
color = &inkRas->pixels(samplePos.y)[samplePos.x];
|
|
|
|
pixSum.r += inkFactor * color->r;
|
|
|
|
pixSum.g += inkFactor * color->g;
|
|
|
|
pixSum.b += inkFactor * color->b;
|
|
|
|
pixSum.m += inkFactor * color->m;
|
|
|
|
factorsSum += inkFactor;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (selRas.isSelectedPaint(xy) && !selRas.isPureInk(xy)) {
|
|
|
|
getFactors(cmIn->pixels(samplePos.y)[samplePos.x].getTone(), inkFactor,
|
|
|
|
paintFactor);
|
|
|
|
|
|
|
|
color = &paintRas->pixels(samplePos.y)[samplePos.x];
|
|
|
|
pixSum.r += paintFactor * color->r;
|
|
|
|
pixSum.g += paintFactor * color->g;
|
|
|
|
pixSum.b += paintFactor * color->b;
|
|
|
|
pixSum.m += paintFactor * color->m;
|
|
|
|
factorsSum += paintFactor;
|
|
|
|
}
|
|
|
|
}
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
typedef std::pair<TRaster32P, TRaster32P> RGBMRasterPair;
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
// Performs a single color blending. This function can be repeatedly invoked to
|
|
|
|
// perform multiple color blending.
|
2016-06-15 18:43:10 +12:00
|
|
|
inline void doBlend(const TRasterCM32P &cmIn, RGBMRasterPair &inkLayer,
|
|
|
|
RGBMRasterPair &paintLayer, const SelectionRaster &selRas,
|
|
|
|
const std::vector<BlurPattern> &blurPatterns) {
|
|
|
|
// Declare some vars
|
|
|
|
unsigned int blurPatternsCount = blurPatterns.size();
|
|
|
|
int lx = cmIn->getLx(), ly = cmIn->getLy();
|
|
|
|
double totalFactor;
|
|
|
|
|
|
|
|
TPixelCM32 *cmPix, *cmBegin = (TPixelCM32 *)cmIn->getRawData();
|
|
|
|
|
|
|
|
TPixel32 *inkIn = (TPixel32 *)inkLayer.first->getRawData(),
|
|
|
|
*inkOut = (TPixel32 *)inkLayer.second->getRawData(),
|
|
|
|
*paintIn = (TPixel32 *)paintLayer.first->getRawData(),
|
|
|
|
*paintOut = (TPixel32 *)paintLayer.second->getRawData();
|
|
|
|
|
|
|
|
const BlurPattern *blurPattern, *blurPatternsBegin = &blurPatterns[0];
|
|
|
|
bool builtSamples = false;
|
|
|
|
|
|
|
|
DoubleRGBMPixel samplesSum;
|
|
|
|
|
|
|
|
// For every cmIn pixel
|
|
|
|
TPoint pos;
|
|
|
|
SelectionData *selData = selRas.data();
|
|
|
|
cmPix = cmBegin;
|
|
|
|
for (pos.y = 0; pos.y < ly;
|
|
|
|
++pos.y, cmPix = cmBegin + pos.y * cmIn->getWrap())
|
|
|
|
for (pos.x = 0; pos.x < lx; ++pos.x, ++inkIn, ++inkOut, ++paintIn,
|
|
|
|
++paintOut, ++selData, ++cmPix) {
|
|
|
|
blurPattern = blurPatternsBegin + (rand() % blurPatternsCount);
|
|
|
|
|
|
|
|
// Build the ink blend color
|
|
|
|
if (!selData->m_purePaint && selData->m_selectedInk) {
|
|
|
|
if (!builtSamples) {
|
|
|
|
// Build samples contributes
|
|
|
|
totalFactor = 1.0;
|
|
|
|
samplesSum.r = samplesSum.g = samplesSum.b = samplesSum.m = 0.0;
|
|
|
|
|
|
|
|
if (!isFlatNeighbourhood(cmPix->getInk(), cmIn, pos, selRas,
|
|
|
|
*blurPattern))
|
|
|
|
addSamples(cmIn, pos, inkLayer.first, paintLayer.first, selRas,
|
|
|
|
*blurPattern, samplesSum, totalFactor);
|
|
|
|
|
|
|
|
builtSamples = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Output the blended pixel
|
|
|
|
inkOut->r = (samplesSum.r + inkIn->r) / totalFactor;
|
|
|
|
inkOut->g = (samplesSum.g + inkIn->g) / totalFactor;
|
|
|
|
inkOut->b = (samplesSum.b + inkIn->b) / totalFactor;
|
|
|
|
inkOut->m = (samplesSum.m + inkIn->m) / totalFactor;
|
|
|
|
} else {
|
|
|
|
// If the color is not blended, then just copy the old layer pixel
|
|
|
|
*inkOut = *inkIn;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Build the paint blend color
|
|
|
|
if (!selData->m_pureInk && selData->m_selectedPaint) {
|
|
|
|
if (!builtSamples) {
|
|
|
|
// Build samples contributes
|
|
|
|
totalFactor = 1.0;
|
|
|
|
samplesSum.r = samplesSum.g = samplesSum.b = samplesSum.m = 0.0;
|
|
|
|
|
|
|
|
if (!isFlatNeighbourhood(cmPix->getPaint(), cmIn, pos, selRas,
|
|
|
|
*blurPattern))
|
|
|
|
addSamples(cmIn, pos, inkLayer.first, paintLayer.first, selRas,
|
|
|
|
*blurPattern, samplesSum, totalFactor);
|
|
|
|
|
|
|
|
builtSamples = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Output the blended pixel
|
|
|
|
paintOut->r = (samplesSum.r + paintIn->r) / totalFactor;
|
|
|
|
paintOut->g = (samplesSum.g + paintIn->g) / totalFactor;
|
|
|
|
paintOut->b = (samplesSum.b + paintIn->b) / totalFactor;
|
|
|
|
paintOut->m = (samplesSum.m + paintIn->m) / totalFactor;
|
|
|
|
} else {
|
|
|
|
// If the color is not blended, then just copy the old layer pixel
|
|
|
|
*paintOut = *paintIn;
|
|
|
|
}
|
|
|
|
|
|
|
|
builtSamples = false;
|
|
|
|
}
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
typedef std::vector<BlurPattern> BlurPatternContainer;
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
/*! This function performs a group of <a> spatial color blending <\a> operations
|
|
|
|
on Toonz Images.
|
|
|
|
The BlendParam structure stores the blend options recognized by this
|
|
|
|
function; it includes
|
2016-03-19 06:57:51 +13:00
|
|
|
a list of the palette indexes involved in the blend operation, plus:
|
2016-06-15 18:43:10 +12:00
|
|
|
\li \b Intensity represents the \a radius of the blur operation between
|
|
|
|
blend colors.
|
|
|
|
\li \b Smoothness is the number of samples per pixel used to approximate the
|
|
|
|
blur.
|
|
|
|
<li> <b> Stop at Contour <\b> specifies if lines from pixels to neighbouring
|
|
|
|
samples
|
|
|
|
should not trespass color indexes not included in the blend operation
|
|
|
|
<\li>
|
2016-03-19 06:57:51 +13:00
|
|
|
The succession of input blend parameters are applied in the order.
|
|
|
|
*/
|
|
|
|
|
|
|
|
template <typename PIXEL>
|
2016-06-15 18:43:10 +12:00
|
|
|
void blend(TToonzImageP ti, TRasterPT<PIXEL> rasOut,
|
|
|
|
const std::vector<BlendParam> ¶ms) {
|
|
|
|
assert(ti->getRaster()->getSize() == rasOut->getSize());
|
|
|
|
|
|
|
|
// Extract the interesting raster. It should be the savebox of passed cmap,
|
|
|
|
// plus - if
|
|
|
|
// some param has the 0 index as blending color - the intensity of that blend
|
|
|
|
// param.
|
|
|
|
unsigned int i, j;
|
|
|
|
TRect saveBox(ti->getSavebox());
|
|
|
|
|
|
|
|
int enlargement = 0;
|
|
|
|
for (i = 0; i < params.size(); ++i)
|
|
|
|
for (j = 0; j < params[i].colorsIndexes.size(); ++j)
|
|
|
|
if (params[i].colorsIndexes[j] == 0)
|
|
|
|
enlargement = std::max(enlargement, tceil(params[i].intensity));
|
|
|
|
saveBox = saveBox.enlarge(enlargement);
|
|
|
|
|
|
|
|
TRasterCM32P cmIn(ti->getRaster()->extract(saveBox));
|
|
|
|
TRasterPT<PIXEL> rasOutExtract = rasOut->extract(saveBox);
|
|
|
|
|
|
|
|
// Ensure that cmIn and rasOut have the same size
|
|
|
|
unsigned int lx = cmIn->getLx(), ly = cmIn->getLy();
|
|
|
|
|
|
|
|
// Build the pure colors infos
|
|
|
|
SelectionRaster selectionRaster(cmIn);
|
|
|
|
|
|
|
|
// Now, build a little group of BlurPatterns - and for each, one for passed
|
|
|
|
// param.
|
|
|
|
// A small number of patterns per param is needed to make the pattern look not
|
|
|
|
// ever the same.
|
|
|
|
const int blurPatternsPerParam = 10;
|
|
|
|
std::vector<BlurPatternContainer> blurGroup(params.size());
|
|
|
|
|
|
|
|
for (i = 0; i < params.size(); ++i) {
|
|
|
|
BlurPatternContainer &blurContainer = blurGroup[i];
|
|
|
|
blurContainer.reserve(blurPatternsPerParam);
|
|
|
|
|
|
|
|
for (j = 0; j < blurPatternsPerParam; ++j)
|
|
|
|
blurContainer.push_back(BlurPattern(
|
|
|
|
params[i].intensity, params[i].smoothness, params[i].stopAtCountour));
|
|
|
|
}
|
|
|
|
|
|
|
|
// Build the palette
|
|
|
|
TPalette *palette = ti->getPalette();
|
|
|
|
std::vector<TPixel32> paletteColors;
|
|
|
|
paletteColors.resize(palette->getStyleCount());
|
|
|
|
for (i = 0; i < paletteColors.size(); ++i)
|
|
|
|
paletteColors[i] = premultiply(palette->getStyle(i)->getAverageColor());
|
|
|
|
|
|
|
|
// Build the 4 auxiliary rasters for the blending procedure: they are ink /
|
|
|
|
// paint versus input / output in the blend.
|
|
|
|
// The output raster is reused to spare some memory - it should be, say, the
|
|
|
|
// inkLayer's second at the end of the overall
|
|
|
|
// blending procedure. It could be the first, without the necessity of
|
|
|
|
// clearing it before blending the layers, but things
|
|
|
|
// get more complicated when PIXEL is TPixel64...
|
|
|
|
RGBMRasterPair inkLayer, paintLayer;
|
|
|
|
|
|
|
|
TRaster32P rasOut32P_1(lx, ly, lx, (TPixel32 *)rasOut->getRawData(), false);
|
|
|
|
inkLayer.first = (params.size() % 2) ? rasOut32P_1 : TRaster32P(lx, ly);
|
|
|
|
inkLayer.second = (params.size() % 2) ? TRaster32P(lx, ly) : rasOut32P_1;
|
|
|
|
|
|
|
|
if (PIXEL::maxChannelValue >= TPixel64::maxChannelValue) {
|
|
|
|
TRaster32P rasOut32P_2(lx, ly, lx,
|
|
|
|
((TPixel32 *)rasOut->getRawData()) + lx * ly, false);
|
|
|
|
paintLayer.first = (params.size() % 2) ? rasOut32P_2 : TRaster32P(lx, ly);
|
|
|
|
paintLayer.second = (params.size() % 2) ? TRaster32P(lx, ly) : rasOut32P_2;
|
|
|
|
} else {
|
|
|
|
paintLayer.first = TRaster32P(lx, ly);
|
|
|
|
paintLayer.second = TRaster32P(lx, ly);
|
|
|
|
}
|
|
|
|
|
|
|
|
inkLayer.first->clear();
|
|
|
|
inkLayer.second->clear();
|
|
|
|
paintLayer.first->clear();
|
|
|
|
paintLayer.second->clear();
|
|
|
|
|
|
|
|
// Now, we have to perform the blur of each of the cm's pixels.
|
|
|
|
cmIn->lock();
|
|
|
|
rasOut->lock();
|
|
|
|
|
|
|
|
inkLayer.first->lock();
|
|
|
|
inkLayer.second->lock();
|
|
|
|
paintLayer.first->lock();
|
|
|
|
paintLayer.second->lock();
|
|
|
|
|
|
|
|
// Convert the initial cmIn to fullcolor ink - paint layers
|
|
|
|
buildLayers(cmIn, paletteColors, inkLayer.first, paintLayer.first);
|
|
|
|
|
|
|
|
// Perform the blend on separated ink - paint layers
|
|
|
|
for (i = 0; i < params.size(); ++i) {
|
|
|
|
if (params[i].colorsIndexes.size() == 0) continue;
|
|
|
|
|
|
|
|
selectionRaster.updateSelection(cmIn, params[i]);
|
|
|
|
doBlend(cmIn, inkLayer, paintLayer, selectionRaster, blurGroup[i]);
|
|
|
|
|
|
|
|
tswap(inkLayer.first, inkLayer.second);
|
|
|
|
tswap(paintLayer.first, paintLayer.second);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Release the unnecessary rasters
|
|
|
|
inkLayer.second->unlock();
|
|
|
|
paintLayer.second->unlock();
|
|
|
|
inkLayer.second = TRaster32P();
|
|
|
|
paintLayer.second = TRaster32P();
|
|
|
|
|
|
|
|
// Clear rasOut - since it was reused to spare space...
|
|
|
|
rasOut->clear();
|
|
|
|
|
|
|
|
// Add the ink & paint layers on the output raster
|
|
|
|
double PIXELmaxChannelValue = PIXEL::maxChannelValue;
|
|
|
|
double toPIXELFactor =
|
|
|
|
PIXELmaxChannelValue / (double)TPixel32::maxChannelValue;
|
|
|
|
double inkFactor, paintFactor;
|
|
|
|
TPoint pos;
|
|
|
|
|
|
|
|
PIXEL *outPix, *outBegin = (PIXEL *)rasOutExtract->getRawData();
|
|
|
|
TPixelCM32 *cmPix, *cmBegin = (TPixelCM32 *)cmIn->getRawData();
|
|
|
|
int wrap = rasOutExtract->getWrap();
|
|
|
|
|
|
|
|
TPixel32 *inkPix = (TPixel32 *)inkLayer.first->getRawData();
|
|
|
|
TPixel32 *paintPix = (TPixel32 *)paintLayer.first->getRawData();
|
|
|
|
|
|
|
|
for (i = 0; i < ly; ++i) {
|
|
|
|
outPix = outBegin + wrap * i;
|
|
|
|
cmPix = cmBegin + wrap * i;
|
|
|
|
for (j = 0; j < lx; ++j, ++outPix, ++cmPix, ++inkPix, ++paintPix) {
|
|
|
|
getFactors(cmPix->getTone(), inkFactor, paintFactor);
|
|
|
|
|
|
|
|
outPix->r = tcrop(
|
|
|
|
toPIXELFactor * (inkFactor * inkPix->r + paintFactor * paintPix->r),
|
|
|
|
0.0, PIXELmaxChannelValue);
|
|
|
|
outPix->g = tcrop(
|
|
|
|
toPIXELFactor * (inkFactor * inkPix->g + paintFactor * paintPix->g),
|
|
|
|
0.0, PIXELmaxChannelValue);
|
|
|
|
outPix->b = tcrop(
|
|
|
|
toPIXELFactor * (inkFactor * inkPix->b + paintFactor * paintPix->b),
|
|
|
|
0.0, PIXELmaxChannelValue);
|
|
|
|
outPix->m = tcrop(
|
|
|
|
toPIXELFactor * (inkFactor * inkPix->m + paintFactor * paintPix->m),
|
|
|
|
0.0, PIXELmaxChannelValue);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
inkLayer.first->unlock();
|
|
|
|
paintLayer.first->unlock();
|
|
|
|
|
|
|
|
cmIn->unlock();
|
|
|
|
rasOut->unlock();
|
|
|
|
|
|
|
|
// Destroy the auxiliary bitmaps
|
|
|
|
selectionRaster.destroy();
|
2016-03-19 06:57:51 +13:00
|
|
|
}
|
|
|
|
|
2016-06-15 18:43:10 +12:00
|
|
|
template void blend<TPixel32>(TToonzImageP cmIn, TRasterPT<TPixel32> rasOut,
|
|
|
|
const std::vector<BlendParam> ¶ms);
|
|
|
|
template void blend<TPixel64>(TToonzImageP cmIn, TRasterPT<TPixel64> rasOut,
|
|
|
|
const std::vector<BlendParam> ¶ms);
|