C++ (Cpp) fz_debug_text_span Examples

Example #1

File: dev_text.c Project: jason5001001/dataextractor

void
fz_debug_text_span(fz_text_span *span)
{
	char buf[10];
	int c, n, k, i;

	for (i = 0; i < span->len; i++)
	{
		c = span->text[i].c;
		if (c < 128)
			putchar(c);
		else
		{
			n = runetochar(buf, &c);
			for (k = 0; k < n; k++)
				putchar(buf[k]);
		}
	}

	if (span->eol)
		putchar('\n');

	if (span->next)
		fz_debug_text_span(span->next);
}

Example #2

File: xpsdraw.c Project: Sjith/PDFProject

static void drawpage(xps_context *ctx, int pagenum)
{
	xps_page *page;
	fz_display_list *list;
	fz_device *dev;
	int start;
	int code;

	if (showtime)
	{
		start = gettime();
	}

	code = xps_load_page(&page, ctx, pagenum - 1);
	if (code)
		die(fz_rethrow(code, "cannot load page %d in file '%s'", pagenum, filename));

	list = NULL;

	if (uselist)
	{
		list = fz_new_display_list();
		dev = fz_new_list_device(list);
		xps_run_page(ctx, page, dev, fz_identity);
		fz_free_device(dev);
	}

	if (showxml)
	{
		dev = fz_new_trace_device();
		printf("<page number=\"%d\">\n", pagenum);
		if (list)
			fz_execute_display_list(list, dev, fz_identity, fz_infinite_bbox);
		else
			xps_run_page(ctx, page, dev, fz_identity);
		printf("</page>\n");
		fz_free_device(dev);
	}

	if (showtext)
	{
		fz_text_span *text = fz_new_text_span();
		dev = fz_new_text_device(text);
		if (list)
			fz_execute_display_list(list, dev, fz_identity, fz_infinite_bbox);
		else
			xps_run_page(ctx, page, dev, fz_identity);
		fz_free_device(dev);
		printf("[Page %d]\n", pagenum);
		if (showtext > 1)
			fz_debug_text_span_xml(text);
		else
			fz_debug_text_span(text);
		printf("\n");
		fz_free_text_span(text);
	}

	if (showmd5 || showtime)
		printf("page %s %d", filename, pagenum);

	if (output || showmd5 || showtime)
	{
		float zoom;
		fz_matrix ctm;
		fz_rect rect;
		fz_bbox bbox;
		fz_pixmap *pix;

		rect.x0 = rect.y0 = 0;
		rect.x1 = page->width;
		rect.y1 = page->height;

		zoom = resolution / 96;
		ctm = fz_translate(0, -page->height);
		ctm = fz_concat(ctm, fz_scale(zoom, zoom));
		bbox = fz_round_rect(fz_transform_rect(ctm, rect));

		/* TODO: banded rendering and multi-page ppm */

		pix = fz_new_pixmap_with_rect(colorspace, bbox);

		if (savealpha)
			fz_clear_pixmap(pix);
		else
			fz_clear_pixmap_with_color(pix, 255);

		dev = fz_new_draw_device(glyphcache, pix);
		if (list)
			fz_execute_display_list(list, dev, ctm, bbox);
		else
			xps_run_page(ctx, page, dev, ctm);
		fz_free_device(dev);

		if (output)
		{
			char buf[512];
			sprintf(buf, output, pagenum);
			if (strstr(output, ".pgm") || strstr(output, ".ppm") || strstr(output, ".pnm"))
				fz_write_pnm(pix, buf);
			else if (strstr(output, ".pam"))
				fz_write_pam(pix, buf, savealpha);
			else if (strstr(output, ".png"))
				fz_write_png(pix, buf, savealpha);
		}

		if (showmd5)
		{
			fz_md5 md5;
			unsigned char digest[16];
			int i;

			fz_md5_init(&md5);
			fz_md5_update(&md5, pix->samples, pix->w * pix->h * pix->n);
			fz_md5_final(&md5, digest);

			printf(" ");
			for (i = 0; i < 16; i++)
				printf("%02x", digest[i]);
		}

		fz_drop_pixmap(pix);
	}

	if (list)
		fz_free_display_list(list);

	if (showtime)
	{
		int end = gettime();
		int diff = end - start;

		if (diff < timing.min)
		{
			timing.min = diff;
			timing.minpage = pagenum;
		}
		if (diff > timing.max)
		{
			timing.max = diff;
			timing.maxpage = pagenum;
		}
		timing.total += diff;
		timing.count ++;

		printf(" %dms", diff);
	}

	if (showmd5 || showtime)
		printf("\n");
}