Beispiel #1
0
int main(int argc, char **argv) {
    wmfAPI *API = NULL;
    wmfD_Rect bbox;
    wmf_svg_t *ddata;
    float width, height;

    if (argc != 2) {
        fprintf(stderr, "Usage: wmf file\n");
        return 1;
    }
    if (!create_api(&API)) {
        fprintf(stderr, "Failed to create WMF API\n");
        return 1;
    }
    ddata = WMF_SVG_GetData(API);

    if (!load_image(API, argv[1])) {
        fprintf(stderr, "Failed to load image: %s\n", argv[1]);
        return 1;
    }
    if (!scan_image(API, &bbox)) {
        fprintf(stderr, "Failed to scan image: %s\n", argv[1]);
        return 1;
    }


    wmf_file_close(API);
    get_image_size(&bbox, &width, &height);
    printf("Image size: %f x %f\n", width, height);

    return 0;
}
UT_Error IE_ImpGraphic_WMF::convertGraphicToSVG(UT_ByteBuf* pBBwmf, UT_ByteBuf** ppBB)
{
	int status = 0;

	unsigned int disp_width  = 0;
	unsigned int disp_height = 0;

	float wmf_width;
	float wmf_height;
	float ratio_wmf;
	float ratio_bounds;

	unsigned long flags;

	unsigned int max_width  = 768;
	unsigned int max_height = 512;
	unsigned long max_flags = 0;

	static const char* Default_Description = "wmf2svg";

	wmf_error_t err;

	wmf_svg_t* ddata = 0;

	wmfAPI* API = 0;
	wmfD_Rect bbox;

	wmfAPI_Options api_options;

	bbuf_read_info  read_info;

	char *stream = NULL;
	unsigned long stream_len = 0;

	*ppBB = 0;

	flags = 0;

	flags = WMF_OPT_IGNORE_NONFATAL | WMF_OPT_FUNCTION;
	api_options.function = wmf_svg_function;

	err = wmf_api_create (&API,flags,&api_options);
	status = explicit_wmf_error ("wmf_api_create",err);

	if (status)
	{	
		if (API) 
			wmf_api_destroy (API);
		return (UT_ERROR);
	}

	read_info.pByteBuf = pBBwmf;

	read_info.len = pBBwmf->getLength();
	read_info.pos = 0;

	err = wmf_bbuf_input (API,AbiWord_WMF_read,AbiWord_WMF_seek,AbiWord_WMF_tell,(void *) &read_info);
	if (err != wmf_E_None) {
		UT_DEBUGMSG(("IE_ImpGraphic_WMF::convertGraphic Bad input set\n"));
		goto ErrorHandler;
	}

	err = wmf_scan (API,0,&(bbox));
	status = explicit_wmf_error ("wmf_scan",err);

	if (status)
	{	
		goto ErrorHandler;
	}

/* Okay, got this far, everything seems cool.
 */
	ddata = WMF_SVG_GetData (API);

	ddata->out = wmf_stream_create(API, NULL);

	ddata->Description = (char *)Default_Description;

	ddata->bbox = bbox;

	wmf_display_size (API,&disp_width,&disp_height,72,72);

	wmf_width  = (float) disp_width;
	wmf_height = (float) disp_height;

	if ((wmf_width <= 0) || (wmf_height <= 0))
	{	fputs ("Bad image size - but this error shouldn't occur...\n",stderr);
		status = 1;
		wmf_api_destroy (API);
		return UT_ERROR;
	}

	if ((wmf_width  > (float) max_width )
	 || (wmf_height > (float) max_height))
	{	if (max_flags == 0) max_flags = WMF2SVG_MAXPECT;
	}

	if (max_flags == WMF2SVG_MAXPECT) /* scale the image */
	{	ratio_wmf = wmf_height / wmf_width;
		ratio_bounds = (float) max_height / (float) max_width;

		if (ratio_wmf > ratio_bounds)
		{	ddata->height = max_height;
			ddata->width  = (unsigned int) ((float) ddata->height / ratio_wmf);
		}
		else
		{	ddata->width  = max_width;
			ddata->height = (unsigned int) ((float) ddata->width  * ratio_wmf);
		}
	}
	else if (max_flags == WMF2SVG_MAXSIZE) /* bizarre option, really */
	{	ddata->width  = max_width;
		ddata->height = max_height;
	}
	else
	{	ddata->width  = (unsigned int) ceil ((double) wmf_width );
		ddata->height = (unsigned int) ceil ((double) wmf_height);
	}

	ddata->flags |= WMF_SVG_INLINE_IMAGES;

	ddata->flags |= WMF_GD_OUTPUT_MEMORY | WMF_GD_OWN_BUFFER;

	if (status == 0)
	{	err = wmf_play (API,0,&(bbox));
		status = explicit_wmf_error ("wmf_play",err);
	}

	wmf_stream_destroy(API, ddata->out, &stream, &stream_len);

	if (status == 0) 
	{
		UT_ByteBuf* pBB = new UT_ByteBuf;
		pBB->append((const UT_Byte*)stream, (UT_uint32)stream_len);
		*ppBB = pBB;
		DELETEP(pBBwmf);
		wmf_free(API, stream);
		wmf_api_destroy (API);
		return UT_OK;
	}

ErrorHandler:
	DELETEP(pBBwmf);
	if(API) 
	{
		if(stream) 
		{
			wmf_free(API, stream);
		}
		wmf_api_destroy (API);
	}
	return UT_ERROR;
}
Beispiel #3
0
int wmf2svg_draw (PlotData* pdata)
{	int status = 0;

	float wmf_width;
	float wmf_height;

	float ratio_wmf;
	float ratio_bounds;

	unsigned long flags;
	unsigned long max_flags;

	static char* Default_Description = "wmf2svg";

	ImageContext IC;

	wmf_error_t err;

	wmf_svg_t* ddata = 0;

	wmfAPI* API = 0;

	wmfAPI_Options api_options;

	flags = 0;

	flags |= WMF_OPT_FUNCTION;
	api_options.function = wmf_svg_function;

	flags |= WMF_OPT_ARGS;
	api_options.argc = pdata->argc;
	api_options.argv = pdata->argv;
#ifndef DEBUG
	flags |= WMF_OPT_IGNORE_NONFATAL;
#endif
	err = wmf_api_create (&API,flags,&api_options);
	status = explicit_wmf_error ("wmf_api_create",err);

	if (status)
	{	if (API) wmf_api_destroy (API);
		return (status);
	}

	err = wmf_file_open (API,pdata->wmf_filename);
	status = explicit_wmf_error ("wmf_file_open",err);

	if (status)
	{	wmf_api_destroy (API);
		return (status);
	}

	err = wmf_scan (API,0,&(pdata->options.bbox));
	status = explicit_wmf_error ("wmf_scan",err);

	if (status)
	{	wmf_api_destroy (API);
		return (status);
	}

/* Okay, got this far, everything seems cool.
 */
	ddata = WMF_SVG_GetData (API);

	if (pdata->out)
	{	ddata->out = wmf_stream_create (API,pdata->out);
	}
	else
	{	ddata->out = wmf_ztream_create (API,pdata->outz);
	}

	if (pdata->options.Description) ddata->Description = pdata->options.Description;
	else                            ddata->Description = Default_Description;

	ddata->bbox = pdata->options.bbox;

	wmf_size (API,&wmf_width,&wmf_height);

	if ((wmf_width <= 0) || (wmf_height <= 0))
	{	fputs ("Bad image size - but this error shouldn't occur...\n",stderr);
		status = 1;
		wmf_api_destroy (API);
		return (status);
	}

	max_flags = pdata->max_flags;

	if ((wmf_width  > (float) pdata->max_width )
	 || (wmf_height > (float) pdata->max_height))
	{	if (max_flags == 0) max_flags = WMF2SVG_MAXPECT;
	}

	if (max_flags == WMF2SVG_MAXPECT) /* scale the image */
	{	ratio_wmf = wmf_height / wmf_width;
		ratio_bounds = (float) pdata->max_height / (float) pdata->max_width;

		if (ratio_wmf > ratio_bounds)
		{	ddata->height = pdata->max_height;
			ddata->width  = (unsigned int) ((float) ddata->height / ratio_wmf);
		}
		else
		{	ddata->width  = pdata->max_width;
			ddata->height = (unsigned int) ((float) ddata->width  * ratio_wmf);
		}
	}
	else if (max_flags == WMF2SVG_MAXSIZE) /* bizarre option, really */
	{	ddata->width  = pdata->max_width;
		ddata->height = pdata->max_height;
	}
	else
	{	ddata->width  = (unsigned int) ceil ((double) wmf_width );
		ddata->height = (unsigned int) ceil ((double) wmf_height);
	}

	if (pdata->inline_images)
	{	ddata->flags |= WMF_SVG_INLINE_IMAGES;
	}
	else
	{	IC.number = 0;
		IC.prefix = (char*) malloc (strlen (pdata->wmf_filename) + 1);
		if (IC.prefix)
		{	strcpy (IC.prefix,pdata->wmf_filename);
			if (wmf_strstr (pdata->wmf_filename,".wmf"))
			{	IC.prefix[strlen (pdata->wmf_filename)-4] = 0;
			}
			ddata->image.context = (void*) (&IC);
			ddata->image.name = image_name;
		}
	}

	if (status == 0)
	{	err = wmf_play (API,0,&(pdata->options.bbox));
		status = explicit_wmf_error ("wmf_play",err);
	}

	wmf_api_destroy (API);

	return (status);
}