C++ TRaster32P::getWrap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();
}

FullColorAreaFiller::FullColorAreaFiller(const TRaster32P &ras)
    : m_ras(ras)
    , m_bounds(ras->getBounds())
    , m_pixels(ras->pixels())
    , m_wrap(ras->getWrap())
    , m_color(0) {
  m_ras->lock();
}

//.........这里部分代码省略.........
	}

	// -----  rettangolo orizzontale (a.y = b.y, a.x != b.x)
	if (a.y == b.y) {
		int yMin = tmax((a.y - radius), 0);		 //  clipping y
		int yMax = tmin((a.y + radius), ly - 1); //  clipping y
		int xLeft = tmin(a.x, b.x);
		int xRight = tmax(a.x, b.x);
		for (y = yMin; y <= yMax; y++) {
			int deltay = abs(y - a.y);
			int xMin = tmax(xLeft - halfCord.getCord(deltay), 0);		//  clipping x
			int xMax = tmin(xRight + halfCord.getCord(deltay), lx - 1); //  clipping x
			TPixel32 *p = ras->pixels(y) + xMin;
			TPixel32 *q = p + (xMax - xMin);
			while (p <= q)
				*p++ = col;
		}
		ras->unlock();
		return;
	}

	// -----  rettangolo verticale (a.x = b.x, a.y != b.y)
	if (a.x == b.x) {

		int xMin = tmax(a.x - radius, 0);	  //  clipping x
		int xMax = tmin(a.x + radius, lx - 1); //  clipping x
		for (x = xMin; x <= xMax; x++) {
			int deltax = abs(x - a.x);
			int yMin = tmax(a.y - halfCord.getCord(deltax), 0);		 //  clipping y
			int yMax = tmin(b.y + halfCord.getCord(deltax), ly - 1); //  clipping y
			if (yMin <= yMax) {
				TPixel32 *p = ras->pixels(yMin) + x;
				TPixel32 *q = ras->pixels(yMax) + x;
				int wrap = ras->getWrap();
				while (p <= q) {
					*p = col;
					p += wrap;
				}
			}
		}
		ras->unlock();
		return;
	}

	// -----  rettangolo inclinato
	//	k = +1/-1 se il rettangolo e' inclinato positivamente/negativamente
	int k = 1;
	int dx = b.x - a.x;
	if (dx < 0) {
		dx = -dx;
		k = -1;
	}
	int dy = b.y - a.y;

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

	double length = sqrt((double)(dx * dx + dy * dy));
	const double m = dy / (double)dx;

	//punto di tangenza superiore nel sistema di riferimento del cerchio
	TPointD up(-radius * dy / length, radius * dx / length);

	//semi-ampiezza orizzontale delle "calotte" circolari
	int halfAmplCap = tfloor(-up.x);

void Convert2Tlv::doFill(TRasterCM32P &rout, const TRaster32P &rin)
{
	//prima passata: si filla  solo partendo da pixel senza inchiostro, senza antialiasing(tone==255)
	for (int i = 0; i < rin->getLy(); i++) {
		TPixel *pixin = rin->pixels(i);
		TPixelCM32 *pixout = rout->pixels(i);
		for (int j = 0; j < rin->getLx(); j++, pixin++, pixout++) {
			if (!(pixout->getTone() == 255 && pixout->getPaint() == 0 && pixin->m == 255))
				continue;

			std::map<TPixel, int>::const_iterator it;
			int paintIndex;
			if ((it = m_colorMap.find(*pixin)) == m_colorMap.end()) {
				if (m_colorTolerance > 0)
					it = findNearestColor(*pixin);
				// if (it==colorMap.end() && (int)colorMap.size()>origColorCount) //se non l'ho trovato tra i colori origari, lo cerco in quelli nuovi, ma in questo caso deve essere esattamente uguale(tolerance = 0)
				//	 it  = findNearestColor(*pixin, colorMap, colorTolerance, origColorCount, colorMap.size()-1);

				if (it == m_colorMap.end() && m_lastIndex < 4096) {
					m_colorMap[*pixin] = ++m_lastIndex;
					paintIndex = m_lastIndex;
				} else if (it != m_colorMap.end()) {
					m_colorMap[*pixin] = it->second;
					paintIndex = it->second;
				}
			} else
				paintIndex = it->second;
			FillParameters params;
			params.m_p = TPoint(j, i);
			params.m_styleId = paintIndex;
			params.m_emptyOnly = true;
			fill(rout, params);
			//if (*((ULONG *)rout->getRawData())!=0xff)
			//  {
			//  int cavolo=0;
			//  }
		}
	}

	//seconda passata: se son rimasti pixel antialiasati non fillati, si fillano, cercando nelle vicinanze un pixel di paint puro per capire il colore da usare
	for (int i = 0; i < rin->getLy(); i++) {
		TPixel *pixin = rin->pixels(i);
		TPixelCM32 *pixout = rout->pixels(i);
		for (int j = 0; j < rin->getLx(); j++, pixin++, pixout++) {
			if (!(pixout->getTone() > 0 && pixout->getTone() < 255 && pixout->getPaint() == 0 && pixin->m == 255))
				continue;

			TPoint p = getClosestPurePaint(rout, i, j);
			if (p.x == -1)
				continue;

			//pixout->setPaint( paintIndex);
			FillParameters params;
			params.m_p = TPoint(j, i);
			params.m_styleId = (rout->pixels(p.y) + p.x)->getPaint();
			params.m_emptyOnly = true;

			fill(rout, params);
		}
	}

	//infine, si filla di trasparente lo sfondo, percorrendo il bordo, nel caso di trasbordamenti di colore
	TPixelCM32 *pixCm;
	TPixel *pix;

	pixCm = rout->pixels(0);
	pix = rin->pixels(0);
	FillParameters params;
	params.m_styleId = 0;

	for (int i = 0; i < rout->getLx(); i++, pixCm++, pix++)
		if (pixCm->getTone() == 255 && pixCm->getPaint() != 0 && pix->m == 0) {
			params.m_p = TPoint(i, 0);
			fill(rout, params);
		}

	pixCm = rout->pixels(rout->getLy() - 1);
	pix = rin->pixels(rout->getLy() - 1);
	for (int i = 0; i < rout->getLx(); i++, pixCm++, pix++)
		if (pixCm->getTone() == 255 && pixCm->getPaint() != 0 && pix->m == 0) {
			params.m_p = TPoint(i, rout->getLy() - 1);
			fill(rout, params);
		}
	int wrapCM = rout->getWrap();
	int wrap = rin->getWrap();

	pixCm = rout->pixels(0);
	pix = rin->pixels(0);
	for (int i = 0; i < rin->getLy(); i++, pixCm += wrapCM, pix += wrap)
		if (pixCm->getTone() == 255 && pixCm->getPaint() != 0 && pix->m == 0) {
			params.m_p = TPoint(0, i);
			fill(rout, params);
		}
	pixCm = rout->pixels(0) + rout->getLx() - 1;
	pix = rin->pixels(0) + rin->getLx() - 1;
	for (int i = 0; i < rin->getLy(); i++, pixCm += wrapCM, pix += wrap)
		if (pixCm->getTone() == 255 && pixCm->getPaint() != 0 && pix->m == 0) {
			params.m_p = TPoint(rout->getLx() - 1, i);
			fill(rout, params);
		}
//.........这里部分代码省略.........

void TLevelReader3gp::load(const TRasterP &rasP, int frameIndex, const TPoint &pos, int shrinkX, int shrinkY)
{
	TRaster32P ras = rasP;

	{
		QMutexLocker sl(&m_mutex);
		ras->lock();
		if (m_IOError != QTNoError)
			goto error;

		Rect rect;
		rect.right = pos.x + ras->getLx();
		rect.left = pos.x;
		rect.bottom = pos.y + ras->getLy();
		rect.top = pos.y;

		GWorldPtr offscreenGWorld;
		OSErr err;

#if defined TNZ_MACHINE_CHANNEL_ORDER_BGRM
		OSType pixelFormat = k32BGRAPixelFormat;
#elif defined TNZ_MACHINE_CHANNEL_ORDER_MRGB
		OSType pixelFormat = k32ARGBPixelFormat;
#endif

		err = QTNewGWorldFromPtr(
			&offscreenGWorld, pixelFormat,
			&rect, 0, 0, 0, ras->getRawData(), ras->getWrap() * 4);

		if (err != noErr) {
			m_IOError = QTUnableToCreateResource;
			goto error;
		}

		SetMovieBox(m_movie, &rect);
		err = GetMoviesError();
		if (err != noErr) {
			m_IOError = QTUnableToSetMovieBox;
#if 0
    DisposeGWorld(offscreenGWorld);
#endif
			goto error;
		}

#if 0
  SetMovieGWorld(m_movie, offscreenGWorld, GetGWorldDevice(offscreenGWorld));
#endif
		err = GetMoviesError();
		if (err != noErr) {
			m_IOError = QTUnableToSetMovieGWorld;
#if 0
    DisposeGWorld(offscreenGWorld);
#endif
			goto error;
		}

		TimeValue currentTime = currentTimes[frameIndex];

		SetMovieTimeValue(m_movie, currentTime);

		err = GetMoviesError();
		if (err != noErr) {
			m_IOError = QTUnableToSetTimeValue;
#if 0
    DisposeGWorld(offscreenGWorld);
#endif
			goto error;
		}

		err = UpdateMovie(m_movie);
		if (err != noErr) {
			m_IOError = QTUnableToUpdateMovie;
#if 0
    DisposeGWorld(offscreenGWorld);
#endif
			goto error;
		}

		MoviesTask(m_movie, 0);
		err = GetMoviesError();
		if (err != noErr) {
			m_IOError = QTUnableToDoMovieTask;
#if 0
    DisposeGWorld(offscreenGWorld);
#endif
			goto error;
		}

		SetMovieGWorld(m_movie, 0, 0);
#if 0
  DisposeGWorld(offscreenGWorld);
#endif
		ras->unlock();
	}

	if (m_depth != 32) {
		setMatteAndYMirror(rasP);
	} else {
		rasP->yMirror();
	}
//.........这里部分代码省略.........

void tglDraw(const TRectD &rect, const TRaster32P &tex, bool blending)
{
	CHECK_ERRORS_BY_GL;
	glPushAttrib(GL_ALL_ATTRIB_BITS);
	if (blending) {
		glEnable(GL_BLEND);
		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
	}

	unsigned int texWidth = 1;
	unsigned int texHeight = 1;

	while (texWidth < (unsigned int)tex->getLx())
		texWidth = texWidth << 1;

	while (texHeight < (unsigned int)tex->getLy())
		texHeight = texHeight << 1;

	double lwTex = 1.0;
	double lhTex = 1.0;

	TRaster32P texture;
	unsigned int texLx = (unsigned int)tex->getLx();
	unsigned int texLy = (unsigned int)tex->getLy();

	if (texWidth != texLx ||
		texHeight != texLy) {
		texture = TRaster32P(texWidth, texHeight);
		texture->fill(TPixel32(0, 0, 0, 0));
		texture->copy(tex);
		lwTex = (texLx) / (double)(texWidth);
		lhTex = (texLy) / (double)(texHeight);
		if (lwTex > 1.0)
			lwTex = 1.0;
		if (lhTex > 1.0)
			lhTex = 1.0;
	} else
		texture = tex;
	GLenum fmt =
#ifdef TNZ_MACHINE_CHANNEL_ORDER_BGRM
		GL_BGRA_EXT;
#elif TNZ_MACHINE_CHANNEL_ORDER_MBGR
		GL_ABGR_EXT;
#elif TNZ_MACHINE_CHANNEL_ORDER_RGBM
		GL_RGBA;
#elif TNZ_MACHINE_CHANNEL_ORDER_MRGB
		GL_BGRA;
#else
//   Error  PLATFORM NOT SUPPORTED
#error "unknown channel order!"
#endif

	// Generate a texture id and bind it.
	GLuint texId;
	glGenTextures(1, &texId);

	glBindTexture(GL_TEXTURE_2D, texId);

	glPixelStorei(GL_UNPACK_ROW_LENGTH, texture->getWrap());

	texture->lock();
	glTexImage2D(GL_TEXTURE_2D,
				 0,
				 4,
				 texWidth,
				 texHeight,
				 0,
				 fmt,
#ifdef TNZ_MACHINE_CHANNEL_ORDER_MRGB
				 GL_UNSIGNED_INT_8_8_8_8_REV,
#else
				 GL_UNSIGNED_BYTE,
#endif
				 texture->getRawData());

	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);

	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

	glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
	glEnable(GL_TEXTURE_2D);

	glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);

	double rectLx = rect.getLx();
	double rectLy = rect.getLy();

	tglColor(TPixel32(0, 0, 0, 0));

	glPushMatrix();

	glTranslated(rect.x0, rect.y0, 0.0);
	glBegin(GL_POLYGON);

	glTexCoord2d(0, 0);
	tglVertex(TPointD(0.0, 0.0));

	glTexCoord2d(lwTex, 0);
//.........这里部分代码省略.........