Exemplo n.º 1
0
/*************************************************************************
	Direct3D support method that must be called after a Reset call on the
	Direct3DDevice.
*************************************************************************/
void DirectX9Renderer::postD3DReset(void)
{
	// Recreate a vertex buffer
	if (FAILED(d_device->CreateVertexBuffer((VERTEXBUFFER_CAPACITY * sizeof(QuadVertex)), D3DUSAGE_DYNAMIC|D3DUSAGE_WRITEONLY, VERTEX_FVF, D3DPOOL_DEFAULT, &d_buffer, 0)))
	{
		throw RendererException("DirectX9Renderer::postD3DReset - Failed to "
                                "create the VertexBuffer for use by the "
                                "DirectX9Renderer object.");
	}

	// perform post-reset operations on all textures
	std::list<DirectX9Texture*>::iterator ctex = d_texturelist.begin();
	std::list<DirectX9Texture*>::iterator endtex = d_texturelist.end();

	for (; ctex != endtex; ++ctex)
	{
		(*ctex)->postD3DReset();
	}

	// update display size
	setDisplaySize(getViewportSize());

	// Now we've come back, we MUST ensure a full redraw is done since the
	// textures in the stored quads will have been invalidated.
	System::getSingleton().signalRedraw();
}
Exemplo n.º 2
0
bool	GR_CocoaImage::convertFromBuffer(const UT_ByteBuf* pBB, const std::string & mimetype, 
                                         UT_sint32 iDisplayWidth, UT_sint32 iDisplayHeight)
{
	const char *buffer = (const char *) pBB->getPointer(0);
	UT_uint32 buflen = pBB->getLength();


	if(mimetype == "image/png") {

		if (buflen < 6) {
			return false;
		}

		char str1[10] = "\211PNG";
		char str2[10] = "<89>PNG";

		if ( !(strncmp(buffer, str1, 4)) || !(strncmp(buffer, str2, 6)) )
		{
			m_grtype = GRT_Raster;
			if(m_surface) {
				cairo_surface_destroy(m_surface);
			}
			
			_PNG_read_state closure(pBB);
			m_surface = cairo_image_surface_create_from_png_stream (&_UT_ByteBuf_PNG_read, &closure);
			if(CAIRO_SURFACE_TYPE_IMAGE == cairo_surface_get_type(m_surface)) 
			{
				if((cairo_image_surface_get_width(m_surface) != iDisplayWidth) ||
					(cairo_image_surface_get_height(m_surface) != iDisplayHeight)) {
					// needs resize.
					
					cairo_surface_t *rescaled = _rescaleTo(m_surface, iDisplayWidth, iDisplayHeight);
					cairo_surface_destroy(m_surface);
					m_surface = rescaled;
				}
			}
			setDisplaySize(iDisplayWidth, iDisplayHeight);
			return true;
		}
	}
	// Otherwise, assume SVG. Do scaling when drawing; save size for then:
	m_grtype = GRT_Vector;

	setDisplaySize(iDisplayWidth, iDisplayHeight);

	return true;
}
Exemplo n.º 3
0
bool GR_Win32Image::_convertFromJPEG(const UT_ByteBuf* pBB, UT_sint32 iDisplayWidth, UT_sint32 iDisplayHeight)
{
	UT_sint32 iImageWidth;
	UT_sint32 iImageHeight;

	// Get the size of the jpeg image. This is a bit of a performance
	// issue, as it starts decoding the jpeg (though it does not actually decode it)
	// while we also do that in UT_JPEG_getRGBData below.
	// This however allows us to decode the image data directly into the DIB we
	// create below, which saves us a potentially huge memory copy.
	if (!UT_JPEG_getDimensions(pBB, iImageWidth, iImageHeight))
		return false;

	UT_uint32 iBytesInRow = iImageWidth * 3;
	if (iBytesInRow % 4)
	{
		iBytesInRow += (4 - (iBytesInRow % 4));
	}

	m_pDIB = (BITMAPINFO*) g_try_malloc(sizeof(BITMAPINFOHEADER) + iImageHeight * iBytesInRow);
	if (!m_pDIB)
		return false;

	/*
	  Note that we do NOT create a DIB of iDisplayWidth,iDisplayHeight, since
	  DIBs can be stretched automatically by the Win32 API.  So we simply remember
	  the display size for drawing later.
	*/

	setDisplaySize(iDisplayWidth, iDisplayHeight);

	m_pDIB->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
	m_pDIB->bmiHeader.biWidth = iImageWidth;
	m_pDIB->bmiHeader.biHeight = iImageHeight;
	m_pDIB->bmiHeader.biPlanes = 1;
	m_pDIB->bmiHeader.biBitCount = 24;
	m_pDIB->bmiHeader.biCompression = BI_RGB;
	m_pDIB->bmiHeader.biSizeImage = 0;
	m_pDIB->bmiHeader.biXPelsPerMeter = 0;
	m_pDIB->bmiHeader.biYPelsPerMeter = 0;
	m_pDIB->bmiHeader.biClrUsed = 0;
	m_pDIB->bmiHeader.biClrImportant = 0;

	UT_Byte* pBuf = ((unsigned char*) m_pDIB) + m_pDIB->bmiHeader.biSize;
	
	if (!UT_JPEG_getRGBData(pBB, pBuf, iBytesInRow, true, true))
	{
		FREEP(m_pDIB);
		return false;
	}
	
	return true;
}
Exemplo n.º 4
0
void ScrollBar ::  SetUpDisplay()
{
    setDisplaySize(displaySize);
    setStoneSize();
    if ( currentStonePos == -1 ) currentStonePos = displaySize;

#if(VERBOSE_DEBUG)
    if ( alignment == internal::Horizontal )    std::cout << "Horizonatal Scroll Bar " << std::endl;
    else std::cout << "Verical Scroll Bar " << std::endl;
    std::cout << "WINDOW SCROLL   Page Size " << pageSize << "    Display Size  : " << displaySize << "     Scroll POsition  " << currentStonePos <<  "   Stone  Size "  <<  ( (alignment == internal::Horizontal ) ? stoneWidth : stoneHeight ) <<  "Display Size ... " << displaySize <<  std::endl;
#endif

}
Exemplo n.º 5
0
GR_UnixImage::GR_UnixImage(const char* szName,GdkPixbuf * pPixbuf )
  : m_image(pPixbuf)
{
  if (szName)
  {
    setName ( szName );
  }
  else
  {
    setName ( "GdkPixbufImage" );
  }
  m_ImageType = GR_Image::GRT_Raster;
  if(m_image)
      setDisplaySize (gdk_pixbuf_get_width (pPixbuf), gdk_pixbuf_get_height (pPixbuf));
}
Exemplo n.º 6
0
bool GR_VectorImage::convertFromBuffer(const UT_ByteBuf* pBB, 
                                       const std::string& /*mimetype*/,
									   UT_sint32 iDisplayWidth, UT_sint32 iDisplayHeight)
{
  setDisplaySize ( iDisplayWidth, iDisplayHeight );

  DELETEP(m_pBB_Image);

  m_pBB_Image = new UT_ByteBuf;

  bool bCopied = m_pBB_Image->append(pBB->getPointer(0), pBB->getLength());

  if (!bCopied) DELETEP(m_pBB_Image);

  return bCopied;
}
Exemplo n.º 7
0
void ScrollBar :: SetSize()
{
    if (alignment == internal::Vertical )
    {
        if( getInternalHeight() < getInternalWidth() ) throw "Scroll Bar dimensions not compatible with the alignment type.";
        stoneWidth = getInternalWidth();
    }
    else
    {

        if( getInternalHeight() > getInternalWidth() ) throw "Scroll Bar dimensions not compatible with the alignment type.";
        stoneHeight = getInternalHeight();
    }

    setDisplaySize(displaySize);
    setPageSize(pageSize);
    stone.setSize(sf::Vector2f(stoneWidth, stoneHeight) );

}
Exemplo n.º 8
0
// note that this does take device units, unlike everything else.
void GR_UnixImage::scale (UT_sint32 iDisplayWidth, 
						  UT_sint32 iDisplayHeight)
{
	UT_return_if_fail(m_image);
	
	// don't scale if passed -1 for either
	if (iDisplayWidth < 0 || iDisplayHeight < 0)
		return;

	GdkPixbuf * image = 0;

	image = gdk_pixbuf_scale_simple (m_image, iDisplayWidth, 
					 iDisplayHeight, GDK_INTERP_BILINEAR);
	//	UT_ASSERT(G_OBJECT(m_image)->ref_count == 1);
	g_object_unref(G_OBJECT(m_image));
	m_image = image;
	setDisplaySize (iDisplayWidth, iDisplayHeight);
	// UT_ASSERT(G_OBJECT(m_image)->ref_count == 1);
}
Exemplo n.º 9
0
bool	GR_CocoaImage::convertFromBuffer(const UT_ByteBuf* pBB, const std::string & mimetype, 
                                         UT_sint32 iDisplayWidth, UT_sint32 iDisplayHeight)
{
	const char *buffer = (const char *) pBB->getPointer(0);
	UT_uint32 buflen = pBB->getLength();


	// We explicitely do not scale the image on load, since cairo can do
	// that during rendering. Scaling during loading will result in lost
	// image information, which in turns results in bugs like
	// in bugs like #12183.
	// So simply remember the display size for drawing later.
	setDisplaySize(iDisplayWidth, iDisplayHeight);

	if(mimetype == "image/png") {

		if (buflen < 6) {
			return false;
		}

		char str1[10] = "\211PNG";
		char str2[10] = "<89>PNG";

		if ( !(strncmp(buffer, str1, 4)) || !(strncmp(buffer, str2, 6)) )
		{
			m_grtype = GRT_Raster;
			if(m_surface) {
				cairo_surface_destroy(m_surface);
			}
			
			_PNG_read_state closure(pBB);
			m_surface = cairo_image_surface_create_from_png_stream (&_UT_ByteBuf_PNG_read, &closure);
		}
	} else {
		m_grtype = GRT_Vector;
	}

	return true;
}
Exemplo n.º 10
0
/*!
 * Scale our image to rectangle given by rec. The dimensions of rec
 * are calculated in logical units.
 * Overriden by platform implementation if needed. Default is to set 
 * display size.
 */
void GR_Image::scaleImageTo(GR_Graphics * pG, const UT_Rect & rec)
{
	setDisplaySize(pG->tdu(rec.width), pG->tdu(rec.height));
}
Exemplo n.º 11
0
bool GR_Win32Image::_convertFromPNG(const UT_ByteBuf* pBB, UT_sint32 iDisplayWidth, UT_sint32 iDisplayHeight)
{
	png_structp png_ptr;
	png_infop info_ptr;
	png_uint_32 width, height;
	int bit_depth, color_type, interlace_type;

	png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, (void*) NULL,
									 NULL, NULL);

	if (png_ptr == NULL)
	{
		return false;
	}

	/* Allocate/initialize the memory for image information.  REQUIRED. */
	info_ptr = png_create_info_struct(png_ptr);
	if (info_ptr == NULL)
	{
		png_destroy_read_struct(&png_ptr, (png_infopp)NULL, (png_infopp)NULL);
		return false;
	}

	/* Set error handling if you are using the setjmp/longjmp method (this is
	 * the normal method of doing things with libpng).  REQUIRED unless you
	 * set up your own error handlers in the png_create_read_struct() earlier.
	 */
	if (setjmp(png_jmpbuf(png_ptr)))
	{
		/* Free all of the memory associated with the png_ptr and info_ptr */
		png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);

		/* If we get here, we had a problem reading the file */
		return false;
	}

	struct _bb myBB;
	myBB.pBB = pBB;
	myBB.iCurPos = 0;
	
	png_set_read_fn(png_ptr, (void *)&myBB, _png_read);

	/* The call to png_read_info() gives us all of the information from the
	 * PNG file before the first IDAT (image data chunk).  REQUIRED
	 */
	png_read_info(png_ptr, info_ptr);

	png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
				 &interlace_type, NULL, NULL);

	/* Extract multiple pixels with bit depths of 1, 2, and 4 from a single
	 * byte into separate bytes (useful for paletted and grayscale images).
	 */
	png_set_packing(png_ptr);

	/* Expand paletted colors into true RGB triplets */
	png_set_expand(png_ptr);

	/*  If we've got images with 16 bits per channel, we don't need that
		much precision.  We'll do fine with 8 bits per channel */
	png_set_strip_16(png_ptr);

	/*  For simplicity, treat grayscale as RGB */
	png_set_gray_to_rgb(png_ptr);

	/*  For simplicity, we'll ignore alpha */
	png_set_strip_alpha(png_ptr);
	
	/*  We want libpng to deinterlace the image for us */
	UT_uint32 iInterlacePasses = png_set_interlace_handling(png_ptr);

	/* flip the RGB pixels to BGR (or RGBA to BGRA) */
	png_set_bgr(png_ptr);

	UT_uint32 iBytesInRow = width * 3;
	if (iBytesInRow % 4)
	{
		iBytesInRow += (4 - (iBytesInRow % 4));
	}

	m_pDIB = (BITMAPINFO*) g_try_malloc(sizeof(BITMAPINFOHEADER) + height * iBytesInRow);
	if (!m_pDIB)
	{
		png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
		return false;
	}

	/*
	  Note that we do NOT create a DIB of iDisplayWidth,iDisplayHeight, since
	  DIBs can be stretched automatically by the Win32 API.  So we simply remember
	  the display size for drawing later.
	*/

	setDisplaySize(iDisplayWidth, iDisplayHeight);

	m_pDIB->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
	m_pDIB->bmiHeader.biWidth = width;
	m_pDIB->bmiHeader.biHeight = height;
	m_pDIB->bmiHeader.biPlanes = 1;
	m_pDIB->bmiHeader.biBitCount = 24;
	m_pDIB->bmiHeader.biCompression = BI_RGB;
	m_pDIB->bmiHeader.biSizeImage = 0;
	m_pDIB->bmiHeader.biXPelsPerMeter = 0;
	m_pDIB->bmiHeader.biYPelsPerMeter = 0;
	m_pDIB->bmiHeader.biClrUsed = 0;
	m_pDIB->bmiHeader.biClrImportant = 0;

	UT_Byte* pBits = ((unsigned char*) m_pDIB) + m_pDIB->bmiHeader.biSize;

	for (; iInterlacePasses; iInterlacePasses--)
	{
		for (UT_uint32 iRow = 0; iRow < height; iRow++)
		{
			UT_Byte* pRow = pBits + (height - iRow - 1) * iBytesInRow;

			png_read_rows(png_ptr, &pRow, NULL, 1);
		}
	}

	/* read rest of file, and get additional chunks in info_ptr - REQUIRED */
	png_read_end(png_ptr, info_ptr);

	/* clean up after the read, and g_free any memory allocated - REQUIRED */
	png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);

	return true;
}
Exemplo n.º 12
0
/*!
Loads an image from from a byte buffer. Note: If the specified width and/or
height does not match the size of the image contained in the byte buffer,
some image information will be lost. WARNING: TODO
@param iDisplayWidth the width to which the image needs to be scaled. Values
are in device units. Setting this to -1 will cause the image not to be scaled.
@param iDisplayheight the height to which the image needs to be scaled. Values
are in device units. Setting this to -1 will cause the image not to be scaled.
@return true if successful, false otherwise
*/
bool GR_UnixImage::convertFromBuffer(const UT_ByteBuf* pBB, 
                                     const std::string & /*mimetype */,
                                     UT_sint32 iDisplayWidth,
                                     UT_sint32 iDisplayHeight)
{
	// assert no image loaded yet

	UT_ASSERT(!m_image);

	bool forceScale = (iDisplayWidth != -1 && iDisplayHeight != -1);
	
	GError * err = 0;
	GdkPixbufLoader * ldr = gdk_pixbuf_loader_new ();	

	if (!ldr)
	{
		UT_DEBUGMSG (("GdkPixbuf: couldn't create loader! WTF?\n"));
		UT_ASSERT (ldr);
		return false;
	}
	
	if (forceScale) {
		setDisplaySize(iDisplayWidth, iDisplayHeight);
		gdk_pixbuf_loader_set_size(ldr, iDisplayWidth, iDisplayHeight);
	}
	
	if ( !gdk_pixbuf_loader_write (ldr, static_cast<const guchar *>(pBB->getPointer (0)),static_cast<gsize>(pBB->getLength ()), &err) )
	{
		if(err != NULL)
		{
			UT_DEBUGMSG(("DOM: couldn't write to loader:%s \n", err->message));
			g_error_free(err);
		}
		gdk_pixbuf_loader_close (ldr, NULL);
		g_object_unref(G_OBJECT(ldr));
		return false;
	}

	if ( !gdk_pixbuf_loader_close (ldr, &err) )
	{
		if(err != NULL)
		{
			UT_DEBUGMSG(("DOM: couldn't close loader:%s \n", err->message));
			g_error_free(err);
		}
		g_object_unref(G_OBJECT(ldr));
		return false;
	}

//
// This is just pointer to the buffer in the loader. This can be deleted
// when we close the loader.
//
	m_image = gdk_pixbuf_loader_get_pixbuf (ldr);
	if (!m_image)
	{
		UT_DEBUGMSG (("GdkPixbuf: couldn't get image from loader!\n"));
		gdk_pixbuf_loader_close (ldr, NULL);
		g_object_unref(G_OBJECT(ldr));
		return false;
	}

	G_IS_OBJECT(G_OBJECT(m_image));
//
// Have to put a reference on it to prevent it being deleted during the close.
//
	g_object_ref(G_OBJECT(m_image));
	if ( FALSE == gdk_pixbuf_loader_close (ldr, &err) )
	{
		UT_DEBUGMSG(("DOM: error closing loader. Corrupt image: %s\n", err->message));
		g_error_free(err);
		g_object_unref(G_OBJECT(m_image));
		return false;
	}
	g_object_unref(G_OBJECT(ldr));
//
// Adjust the reference count so it's always 1. Unfortunately 
// the reference count after the close is undefined.
//
	while(G_OBJECT(m_image)->ref_count > 1)
	{
		g_object_unref(G_OBJECT(m_image));
	}
	UT_ASSERT(G_OBJECT(m_image)->ref_count == 1);
	
	// if gdk_pixbuf_loader_set_size was not able to scale the image, then do it manually
	if (forceScale && (iDisplayWidth != gdk_pixbuf_get_width (m_image) || iDisplayHeight != gdk_pixbuf_get_height(m_image)))
		scale (iDisplayWidth, iDisplayHeight);
	UT_ASSERT(G_OBJECT(m_image)->ref_count == 1);
	
	return true;
}