C++ TRaster32P::getLy方法代码示例

//------------------------------------------------
inline void setMatteAndYMirror(const TRaster32P &ras)
{
	ras->lock();
	TPixel32 *upRow = ras->pixels();
	TPixel32 *dwRow = ras->pixels(ras->getLy() - 1);
	int hLy = (int)(ras->getLy() / 2. + 0.5); //piccola pessimizzazione...
	int wrap = ras->getWrap();
	int lx = ras->getLx();
	TPixel32 *upPix = 0;
	TPixel32 *lastPix = ras->pixels(hLy);
	while (upPix < lastPix) {
		upPix = upRow;
		TPixel32 *dwPix = dwRow;
		TPixel32 *endPix = upPix + lx;
		while (upPix < endPix) {
			TPixel32 tmpPix(upPix->r, upPix->g, upPix->b, 0xff);
			*upPix = *dwPix;
			upPix->m = 0xff;
			*dwPix = tmpPix;
			++upPix;
			++dwPix;
		}
		upRow += wrap;
		dwRow -= wrap;
	}
	ras->unlock();
}

void FullColorAreaFiller::rectFill(const TRect &rect,
                                   const FillParameters &params,
                                   bool onlyUnfilled) {
  TRect bbox = m_ras->getBounds();
  TRect r    = rect * bbox;
  if (r.isEmpty()) return;

  TRaster32P workRas = m_ras->extract(r);
  TRaster32P copy    = workRas->clone();

  TPixel32 color = params.m_palette->getStyle(params.m_styleId)->getMainColor();

  // Fillo tutto il quadaratino con color
  int x, y;
  for (y = 0; y < workRas->getLy(); y++) {
    TPixel32 *line = workRas->pixels(y);
    for (x        = 0; x < workRas->getLx(); x++)
      *(line + x) = overPix(color, workRas->pixels(y)[x]);
  }

  FillParameters paramsApp = params;
  TPixel32 refColor;
  for (y = 0; y < workRas->getLy(); y++) {
    paramsApp.m_p = TPoint(0, y);
    if (y == 0 ||
        refColor != workRas->pixels(paramsApp.m_p.y)[paramsApp.m_p.x]) {
      fill(workRas, copy, paramsApp);
      refColor = workRas->pixels(paramsApp.m_p.y)[paramsApp.m_p.x];
    }
  }
  for (y = 0; y < workRas->getLy(); y++) {
    paramsApp.m_p = TPoint(workRas->getLx() - 1, y);
    if (y == 0 ||
        refColor != workRas->pixels(paramsApp.m_p.y)[paramsApp.m_p.x]) {
      fill(workRas, copy, paramsApp);
      refColor = workRas->pixels(paramsApp.m_p.y)[paramsApp.m_p.x];
    }
  }

  for (x = 0; x < workRas->getLx(); x++) {
    paramsApp.m_p = TPoint(x, 0);
    if (x == 0 ||
        refColor != workRas->pixels(paramsApp.m_p.y)[paramsApp.m_p.x]) {
      fill(workRas, copy, paramsApp);
      refColor = workRas->pixels(paramsApp.m_p.y)[paramsApp.m_p.x];
    }
  }
  for (x = 0; x < workRas->getLx(); x++) {
    paramsApp.m_p = TPoint(x, workRas->getLy() - 1);
    if (x == 0 ||
        refColor != workRas->pixels(paramsApp.m_p.y)[paramsApp.m_p.x]) {
      fill(workRas, copy, paramsApp);
      refColor = workRas->pixels(paramsApp.m_p.y)[paramsApp.m_p.x];
    }
  }
}

		static void clearMatte_border(const TRaster32P &ras, int border0, int border1)
		{
			assert(border0 < border1);

			// Horizontal
			clearMatte(ras, border0, border0, ras->getLx() - border0, border1);
			clearMatte(ras, border0, ras->getLy() - border1, ras->getLx() - border0, ras->getLy() - border0);

			// Vertical
			clearMatte(ras, border0, border1, border1, ras->getLy() - border1);
			clearMatte(ras, ras->getLx() - border1, border1, ras->getLx() - border0, ras->getLy() - border1);
		}

void MeshTexturizer::Imp::allocateTextures(int groupIdx, const TRaster32P &ras, const TRaster32P &aux,
										   int x, int y, int textureLx, int textureLy,
										   bool premultiplied)
{
	TextureData *data = m_textureDatas[groupIdx].get();

	// Test the specified texture allocation
	if (testTextureAlloc(textureLx, textureLy)) {
		TPointD scale(data->m_geom.getLx() / (double)ras->getLx(),
					  data->m_geom.getLy() / (double)ras->getLy());
		TRectD tileGeom(
			TRectD(
				scale.x * (x - TOTAL_BORDER), scale.y * (y - TOTAL_BORDER),
				scale.x * (x + textureLx + TOTAL_BORDER), scale.y * (y + textureLy + TOTAL_BORDER)) +
			data->m_geom.getP00());

		GLuint texId = textureAlloc(ras, aux, x, y, textureLx, textureLy, premultiplied);

		TextureData::TileData td = {texId, tileGeom};
		data->m_tileDatas.push_back(td);

		return;
	}

	if (textureLx <= 1 && textureLy <= 1)
		return; // No texture can be allocated

	// The texture could not be allocated. Then, bisecate and branch.
	if (textureLx > textureLy) {
		int textureLx_2 = textureLx >> 1;
		allocateTextures(groupIdx, ras, aux, x, y, textureLx_2, textureLy, premultiplied);
		allocateTextures(groupIdx, ras, aux, x + textureLx_2, y, textureLx_2, textureLy, premultiplied);
	} else {

TPoint computeCentroid(const TRaster32P &r) {
  TPoint ret(1, 1);

  TRasterGR8P raux(r->getLx() + 2, r->getLy() + 2);

  if (fillByteRaster(r, raux)) doComputeCentroid(raux, ret);

  ret.x--;
  ret.y--; /* per il bordo aggiunto */
  return ret;
}

static void addBackground32(TRaster32P ras, const TPixel32 &col)
{
	ras->lock();
	int nrows = ras->getLy();
	while (nrows-- > 0) {
		TPixel32 *pix = ras->pixels(nrows);
		TPixel32 *endPix = pix + ras->getLx();
		while (pix < endPix) {
			*pix = overPix(col, *pix);
			pix++;
		}
	}
	ras->unlock();
}

void TRop::swapRBChannels(const TRaster32P &r) {
  int lx = r->getLx();
  int y  = r->getLy();
  r->lock();
  while (--y >= 0) {
    TPixel32 *pix    = r->pixels(y);
    TPixel32 *endPix = pix + lx;
    while (pix < endPix) {
      tswap(pix->r, pix->b);
      ++pix;
    }
  }
  r->unlock();
}

void do_over(TRaster32P rout, const TRasterGR8P &rup, const TPixel32 &color)
{
	assert(rout->getSize() == rup->getSize());
	for (int y = rout->getLy(); --y >= 0;) {
		TPixel32 *out_pix = rout->pixels(y);
		TPixel32 *const out_end = out_pix + rout->getLx();
		const TPixelGR8 *up_pix = rup->pixels(y);

		for (; out_pix < out_end; ++out_pix, ++up_pix) {
			double v = up_pix->value / 255.0;
			TPixel32 up(troundp(v * color.r), troundp(v * color.g), troundp(v * color.b), troundp(v * color.m));
			*out_pix = overPix(*out_pix, up);
		}
	}
}

//Usata tinylinetest
static void my_do_over(TRaster32P rout, const TRasterGR8P &rup)
{
	assert(rout->getSize() == rup->getSize());
	for (int y = rout->getLy(); --y >= 0;) {
		TPixel32 *out_pix = rout->pixels(y);
		TPixel32 *const out_end = out_pix + rout->getLx();
		const TPixelGR8 *up_pix = rup->pixels(y);

		for (; out_pix < out_end; ++out_pix, ++up_pix) {
			int v = up_pix->value;
			out_pix->r = out_pix->r * v / 255;
			out_pix->g = out_pix->r;
			out_pix->b = out_pix->r;
		}
	}
}

void Writer::write(const TRaster32P &ras, Processor *processor)
{
	m_context->makeCurrent();
	glClear(GL_COLOR_BUFFER_BIT);
	if (ras) {
		glRasterPos2d(0, 0);
		glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); // ras->getWrap());
		glDrawPixels(ras->getLx(), ras->getLy(), TGL_FMT, TGL_TYPE, ras->getRawData());
	}
	if (processor) {
		processor->draw();
	}
	glRasterPos2d(0, 0);
	glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); // ras->getWrap());
	glReadPixels(0, 0, m_raster->getLx(), m_raster->getLy(), TGL_FMT, TGL_TYPE, m_raster->getRawData());

	TImageP img = TRasterImageP(m_raster);
	m_levelWriter->getFrameWriter(++m_frameCount)->save(img);
}

void DummyProcessor::process(TRaster32P raster)
{
	if (isActive()) {
		int x, y, lx = raster->getLx(), ly = raster->getLy();
		m_dummyData.clear();
		m_dummyData.resize(ly, 0);
		std::vector<int> hues(lx);
		for (y = 0; y < ly; y++) {
			TPixel32 *pix = raster->pixels(y);
			for (x = 0; x < lx; x++) {
				int hsv[3];
				rgb2hsv(hsv, *pix);
				hues[x] = hsv[0];
				pix++;
			}
			std::pair<int, int> range;
			for (x = 0; x + 1 < lx; x++)
				if (abs(hues[x] - hues[x + 1]) > 5)
					break;
			m_dummyData[y] = x;
		}
	}
}

void Convert2Tlv::buildInksForNAAImage(TRasterCM32P &rout, const TRaster32P &rin)
{
	std::map<TPixel, int>::iterator it;
	TPixel curColor = TPixel::Transparent;
	int i, j;
	int curIndex;

	//prima passata: identifico i colori di inchiostro e metto in rout i pixel di inchiostro puro
	for (i = 0; i < rin->getLy(); i++) {
		TPixel *pixin = rin->pixels(i);
		TPixelCM32 *pixout = rout->pixels(i);
		for (j = 0; j < rin->getLx(); j++, pixin++, pixout++) {
			TPixel colorIn;

			/*- treat white/transparent pixels as transparent -*/
			if (*pixin == TPixel(255, 255, 255) || *pixin == TPixel::Transparent) {
				*pixout = TPixelCM32(0, 0, 255);
				continue;
			}

			if (curColor != *pixin) {
				curColor = *pixin;
				if ((it = m_colorMap.find(curColor)) == m_colorMap.end()) {
					if (m_lastIndex < 4095)
						m_colorMap[curColor] = ++m_lastIndex;
					curIndex = m_lastIndex;
				} else
					curIndex = it->second;
			}
			*pixout = TPixelCM32(curIndex, 0, 0);
		}
	}

	if (m_colorMap.empty())
		m_colorMap[TPixel::Black] = ++m_lastIndex;
}

TRaster32P TRop::copyAndSwapRBChannels(const TRaster32P &srcRaster) {
  TRaster32P newRaster(srcRaster->getSize());
  int lx = srcRaster->getLx();
  int y  = srcRaster->getLy();
  srcRaster->lock();
  newRaster->lock();
  while (--y >= 0) {
    TPixel32 *pix    = srcRaster->pixels(y);
    TPixel32 *newpix = newRaster->pixels(y);
    TPixel32 *endPix = pix + lx;
    while (pix < endPix) {
      newpix->r = pix->b;
      newpix->g = pix->g;
      newpix->b = pix->r;
      newpix->m = pix->m;
      ++pix;
      ++newpix;
    }
  }
  srcRaster->unlock();
  newRaster->unlock();

  return newRaster;
}

void SwatchViewer::updateRaster()
{
	QMutexLocker sl(&m_mutex);

	if (!m_enabled)
		return;
	if (!m_raster)
		return;
	if (m_bgPainter)
		m_bgPainter->paint(m_raster);
	else
		m_raster->fill(TPixel32(127, 127, 127));

	if (m_cameraMode && !m_cameraRect.isEmpty()) {
		TPointD p0(m_cameraRect.x0, m_cameraRect.y0);
		TPointD p1(m_cameraRect.x1, m_cameraRect.y1);
		TPointD center(width() * 0.5, height() * 0.5);
		TPoint transP0 = convert(m_aff * p0 + center);
		TPoint transP1 = convert(m_aff * p1 + center);
		TPoint p = convert((TPointD(transP1.x, transP1.y) - TPointD(transP0.x, transP0.y)) * 0.5);
		TRect rect(transP0 - p, transP1 - p);
		m_content->fillOutside(rect, TPixel32(255, 0, 0, 255));
		m_content->fillOutside(rect.enlarge(TDimension(1, 1)), TPixel32(0, 0, 0, 0));
	}

	if (m_content)
		TRop::over(m_raster, m_content);

	int i;
	for (i = 0; i < (int)m_points.size(); i++) {
		if (m_points[i].m_pairFlag)
			continue;
		TPoint p = world2win(m_points[i].m_param->getValue(m_frame));
		TRop::over(m_raster, m_crossIcon, p - TPoint(4, 4));
	}
	for (i = 0; i < (int)m_pointPairs.size(); i++) {
		int i0 = m_pointPairs[i].first;
		int i1 = m_pointPairs[i].second;
		assert(i0 != i1);
		assert(0 <= i0 && i0 < (int)m_points.size());
		assert(0 <= i1 && i1 < (int)m_points.size());
		TPoint p0 = world2win(m_points[i0].m_param->getValue(m_frame));
		TPoint p1 = world2win(m_points[i1].m_param->getValue(m_frame));
		TPoint delta = p1 - p0;
		int len = tround(sqrt((double)(delta * delta)));
		double phi = 0;
		if (len > 0)
			phi = 180 * atan2((double)delta.y, (double)delta.x) / TConsts::pi;

		if (len > 500) {
			// puo' succedere per zoom molto grandi.
			// dovrei fare qualcosa, ma non so bene che cosa e non credo sia
			// importantissimo
		} else {
			TRaster32P arrowShape = createArrowShape(len);
			TAffine aff = TRotation(phi).place(0, arrowShape->getLy() / 2, p0.x, p0.y);
			TRop::over(m_raster, arrowShape, aff);
			// verrebbe la tentazione di usare il filtro TRop::Bilinear (piu'veloce),
			// ma la qualita' ne risente molto
		}
	}

	update();
}

void TRop::brush(
	TRaster32P ras,
	const TPoint &aa,
	const TPoint &bb,
	int radius,
	const TPixel32 &col)
{

	TPoint a = aa;
	TPoint b = bb;
	if (a.y > b.y)
		tswap(a, b); //  a e' piu' in basso di b

	int lx = ras->getLx();
	int ly = ras->getLy();
	ras->lock();

	// ----- radius = 0
	if (radius == 0) {
		//  k = +1/-1 se il rettangolo e' inclinato positivamente (0<=m)/negativamente (m<0)
		//  (se k<0 viene fatta una riflessione sulle ascisse prima di tornare alle
		//  coordinate "di schermo")
		int k = 1;
		int dy = b.y - a.y;
		int dx = b.x - a.x;
		if (dx < 0) {
			dx = -dx;
			k = -1;
		}

		assert(dx >= 0);
		assert(dy >= 0);

		double m; //  m sara' definita solo per dx!=0)
		if (dx > 0) {
			m = dy / (double)dx;
		}
		//double length = sqrt(dx*dx + dy*dy);
		const int alpha = dy, beta = -dx;
		const int incE = alpha;
		const int incNE = alpha + beta;
		const int incN = beta;

		//  N.B. le coordinate sono relative ad un sist. di rif. con l'origine in a
		//  l'eq. della retta e' alpha * x + beta * y = 0

		int yMin = tmax(a.y, 0) - a.y;		//  clipping y + cambio  riferimento
		int yMax = tmin(b.y, ly - 1) - a.y; //  (trasporto dell'origine in a)
		if (dx > 0 && m <= 1) {
			//  midpoint algorithm
			TPoint segm;
			if (dy == 0) //  segmento orizzontale: inizializza segm
			{
				segm.x = 0;
				segm.y = yMin;
			} else //  0<m<=1 :  inizializza segm
			{
				segm.x = tceil((yMin - 0.5) / m);
				segm.y = yMin;
			}

			int dSegm = tfloor(alpha * (segm.x + 1) + beta * (segm.y + 0.5));
			while (segm.y <= yMax) {
				int count = 0;					  //  i trati orizzontali di segm vengono disegnati in "blocco"
				while (dSegm < 0 && segm.x <= dx) //  Est:  segm.x<=dx evita il ciclo
				{								  //  infinito quando m=0 (incE=0)
					dSegm = dSegm + incE;
					segm.x++;
					count++;
				}
				//  NordEst
				int xMin, xMax;
				if (k > 0) {
					xMin = tmax(a.x + segm.x - count, a.x, 0); //  clipping x + ritorno alle
					xMax = tmin(a.x + segm.x, b.x, lx - 1);	//  coordinate "di schermo"

				} else {
					xMin = tmax(a.x - segm.x, a.x - dx, 0);			//  clipping x + riflessione + ritorno
					xMax = tmin(a.x - segm.x + count, a.x, lx - 1); //  alle  coordinate "di schermo"
				}

				TPixel32 *p = ras->pixels(segm.y + a.y) + xMin;
				TPixel32 *q = p + (xMax - xMin);

				while (p <= q)
					*p++ = col;

				dSegm = dSegm + incNE;
				segm.x++;
				segm.y++;
			}
		} else //  m>1 oppure segmento verticale
		{
			//  midpoint algorithm
			TPoint segm;
			if (dx == 0) //  segmento verticale: inizializza segm
			{
				segm.x = 0;
				segm.y = yMin;
			} else //  m>1 :  inizializza segm
//.........这里部分代码省略.........