QScriptValue ImageBuilder::fill(const QString &colorName) {
  QColor color;
  QScriptValue err = checkColor(context(), colorName, color);
  if (err.isError()) return err;
  TPixel32 pix(color.red(), color.green(), color.blue(), color.alpha());
  if (m_img) {
    if (m_img->getType() != TImage::RASTER)
      context()->throwError("Can't fill a non-'Raster' image");
    TRaster32P ras = m_img->raster();
    if (ras) ras->fill(pix);
  } else if (m_width > 0 && m_height > 0) {
    TRaster32P ras(m_width, m_height);
    ras->fill(pix);
    m_img = TRasterImageP(ras);
  }
  return context()->thisObject();
}
Esempio n. 2
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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);
	tglVertex(TPointD(rectLx, 0.0));

	glTexCoord2d(lwTex, lhTex);
	tglVertex(TPointD(rectLx, rectLy));

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

	glEnd();
	glDisable(GL_TEXTURE_2D);

	glPopMatrix();
	glPopAttrib();

	// Delete texture
	glDeleteTextures(1, &texId);

	texture->unlock();
}