Esempio n. 1
0
void *
renderer(void *data)
{
	int pagenumber = ((struct data *) data)->pagenumber;
	fz_context *ctx = ((struct data *) data)->ctx;
	fz_display_list *list = ((struct data *) data)->list;
	fz_bbox bbox = ((struct data *) data)->bbox;
	fz_pixmap *pix = ((struct data *) data)->pix;

	fprintf(stderr, "thread at page %d loading!\n", pagenumber);

	// The context pointer is pointing to the main thread's
	// context, so here we create a new context based on it for
	// use in this thread.

	ctx = fz_clone_context(ctx);

	// Next we run the display list through the draw device which
	// will render the request area of the page to the pixmap.

	fprintf(stderr, "thread at page %d rendering!\n", pagenumber);
	fz_device *dev = fz_new_draw_device(ctx, pix);
	fz_run_display_list(list, dev, fz_identity, bbox, NULL);
	fz_free_device(dev);

	// This threads context is freed.

	fz_free_context(ctx);

	fprintf(stderr, "thread at page %d done!\n", pagenumber);

	return data;
}
Esempio n. 2
0
File: util.c Progetto: iezbli/zbli
fz_stext_page *
fz_new_stext_page_from_display_list(fz_context *ctx, fz_display_list *list, fz_stext_sheet *sheet)
{
	fz_stext_page *text;
	fz_device *dev;
	fz_rect mediabox;

	if (list == NULL)
		return NULL;

	text = fz_new_stext_page(ctx, fz_bound_display_list(ctx, list, &mediabox));
	fz_try(ctx)
	{
		dev = fz_new_stext_device(ctx, sheet, text);
		fz_run_display_list(ctx, list, dev, &fz_identity, NULL, NULL);
		fz_close_device(ctx, dev);
	}
	fz_always(ctx)
	{
		fz_drop_device(ctx, dev);
	}
	fz_catch(ctx)
	{
		fz_drop_stext_page(ctx, text);
		fz_rethrow(ctx);
	}

	return text;
}
Esempio n. 3
0
fz_pixmap *
fz_new_pixmap_from_display_list(fz_context *ctx, fz_display_list *list, const fz_matrix *ctm, fz_colorspace *cs, int background)
{
	fz_rect rect;
	fz_irect irect;
	fz_pixmap *pix;
	fz_device *dev;

	fz_bound_display_list(ctx, list, &rect);
	fz_transform_rect(&rect, ctm);
	fz_round_rect(&irect, &rect);

	pix = fz_new_pixmap_with_bbox(ctx, cs, &irect);
	if (background)
		fz_clear_pixmap_with_value(ctx, pix, 0xFF);
	else
		fz_clear_pixmap(ctx, pix);

	fz_try(ctx)
	{
		dev = fz_new_draw_device(ctx, pix);
		fz_run_display_list(ctx, list, dev, ctm, NULL, NULL);
	}
	fz_always(ctx)
	{
		fz_drop_device(ctx, dev);
	}
	fz_catch(ctx)
	{
		fz_drop_pixmap(ctx, pix);
		fz_rethrow(ctx);
	}

	return pix;
}
Esempio n. 4
0
  QImage render(qreal dpiX, qreal dpiY, const QRectF& rect) {
    if (m_init) {
      fz_scale(&m_matrix, dpiX / 72.0f, dpiY / 72.0f);

      fz_bound_page(m_ctx, m_page, &m_bound);
      fz_transform_rect(&m_bound, &m_matrix);
      m_init = false;
    }

    if (!m_list) {
      m_list = fz_new_display_list(m_ctx);
    }

    if (!m_dev) {
      m_dev = fz_new_list_device(m_ctx, m_list);
      fz_run_page(m_ctx, m_page, m_dev, &m_matrix, 0);
    }

    fz_matrix tile;
    fz_translate(&tile, -m_bound.x0, -m_bound.y0);

    fz_pre_translate(&tile, -rect.x(), -rect.y());

    fz_rect tr;
    tr.x0 = tr.y0 = 0.0;
    int width = tr.x1 = rect.width();
    int height = tr.y1 = rect.height();

    QImage image(width, height, QImage::Format_RGB32);
    image.fill(Qt::white); // TODO: configurable

    fz_pixmap* pixmap =
      fz_new_pixmap_with_data(m_ctx,
			      fz_device_bgr(m_ctx),
			      image.width(),
			      image.height(),
			      image.bits());

    fz_device *device = fz_new_draw_device(m_ctx, pixmap);
    fz_run_display_list(m_ctx, m_list, device, &tile, &tr, 0);
    fz_drop_device(m_ctx, device);
    fz_drop_pixmap(m_ctx, pixmap);
    return image;
  }
Esempio n. 5
0
fz_text_page *
fz_new_text_page_from_display_list(fz_context *ctx, fz_display_list *list, fz_text_sheet *sheet)
{
	fz_text_page *text;
	fz_device *dev;

	text = fz_new_text_page(ctx);
	fz_try(ctx)
	{
		dev = fz_new_text_device(ctx, sheet, text);
		fz_run_display_list(ctx, list, dev, &fz_identity, NULL, NULL);
	}
	fz_always(ctx)
	{
		fz_drop_device(ctx, dev);
	}
	fz_catch(ctx)
	{
		fz_drop_text_page(ctx, text);
		fz_rethrow(ctx);
	}

	return text;
}
Esempio n. 6
0
static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
{
	fz_page *page;
	fz_display_list *list = NULL;
	fz_device *dev = NULL;
	int start;
	fz_cookie cookie = { 0 };

	fz_var(list);
	fz_var(dev);

	fz_try(ctx)
	{
		page = fz_load_page(doc, pagenum - 1);
	}
	fz_catch(ctx)
	{
		fz_throw(ctx, "cannot load page %d in file '%s'", pagenum, filename);
	}

	float zoom;
	fz_matrix ctm;
	fz_rect bounds, bounds2;
	fz_bbox bbox;
	fz_pixmap *pix = NULL;
	int w, h;

	fz_var(pix);

	bounds = fz_bound_page(doc, page);
	zoom = resolution / 72;
	ctm = fz_scale(zoom, zoom);
	ctm = fz_concat(ctm, fz_rotate(rotation));
	bounds2 = fz_transform_rect(ctm, bounds);
	bbox = fz_round_rect(bounds2);
	/* Make local copies of our width/height */
	w = width;
	h = height;
	/* If a resolution is specified, check to see whether w/h are
	 * exceeded; if not, unset them. */
	if (res_specified)
	{
		int t;
		t = bbox.x1 - bbox.x0;
		if (w && t <= w)
			w = 0;
		t = bbox.y1 - bbox.y0;
		if (h && t <= h)
			h = 0;
	}
	/* Now w or h will be 0 unless then need to be enforced. */
	if (w || h)
	{
		float scalex = w/(bounds2.x1-bounds2.x0);
		float scaley = h/(bounds2.y1-bounds2.y0);

		if (fit)
		{
			if (w == 0)
				scalex = 1.0f;
			if (h == 0)
				scaley = 1.0f;
		}
		else
		{
			if (w == 0)
				scalex = scaley;
			if (h == 0)
				scaley = scalex;
		}
		if (!fit)
		{
			if (scalex > scaley)
				scalex = scaley;
			else
				scaley = scalex;
		}
		ctm = fz_concat(ctm, fz_scale(scalex, scaley));
		bounds2 = fz_transform_rect(ctm, bounds);
	}
	bbox = fz_round_rect(bounds2);

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

	fz_try(ctx)
	{
		pix = fz_new_pixmap_with_bbox(ctx, colorspace, bbox);

		fz_clear_pixmap_with_value(ctx, pix, 255);

		dev = fz_new_draw_device(ctx, pix);
		if (list)
			fz_run_display_list(list, dev, ctm, bbox, &cookie);
		else
			fz_run_page(doc, page, dev, ctm, &cookie);
		fz_free_device(dev);
		dev = NULL;

		int size = fz_pixmap_height(ctx, pix) * fz_pixmap_width(ctx, pix);
		inplace_reorder(fz_pixmap_samples(ctx, pix), size);
		size_t x_offset = (width - fz_pixmap_width(ctx, pix)) / 2;
		size_t y_offset = (height - fz_pixmap_height(ctx, pix)) / 2;;
		if (toggle_decors) {
			x_offset += decor_left_width;
			y_offset += decor_top_height;
		}
		for (int i = 0; i < fz_pixmap_height(ctx, pix); ++i) {
			memcpy(&GFX(gfx_ctx, x_offset, y_offset + i), &fz_pixmap_samples(ctx, pix)[fz_pixmap_width(ctx, pix) * i * 4], fz_pixmap_width(ctx, pix) * 4);
		}

	}
	fz_always(ctx)
	{
		fz_free_device(dev);
		dev = NULL;
		fz_drop_pixmap(ctx, pix);
	}
	fz_catch(ctx)
	{
		fz_free_display_list(ctx, list);
		fz_free_page(doc, page);
		fz_rethrow(ctx);
	}

	if (list)
		fz_free_display_list(ctx, list);

	fz_free_page(doc, page);

	fz_flush_warnings(ctx);

	if (cookie.errors)
		errored = 1;
}
Esempio n. 7
0
static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
{
	fz_page *page;
	fz_display_list *list = NULL;
	fz_device *dev = NULL;
	int start;
	fz_cookie cookie = { 0 };
	int needshot = 0;

	fz_var(list);
	fz_var(dev);

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

	fz_try(ctx)
	{
		page = fz_load_page(doc, pagenum - 1);
	}
	fz_catch(ctx)
	{
		fz_throw(ctx, "cannot load page %d in file '%s'", pagenum, filename);
	}

	if (mujstest_file)
	{
		fz_interactive *inter = fz_interact(doc);
		fz_widget *widget = NULL;

		if (inter)
			widget = fz_first_widget(inter, page);

		if (widget)
		{
			fprintf(mujstest_file, "GOTO %d\n", pagenum);
			needshot = 1;
		}
		for (;widget; widget = fz_next_widget(inter, widget))
		{
			fz_rect rect = fz_widget_bbox(widget);
			int w = (rect.x1-rect.x0);
			int h = (rect.y1-rect.y0);
			int len;
			int type = fz_widget_get_type(widget);

			++mujstest_count;
			switch (type)
			{
			default:
				fprintf(mujstest_file, "%% UNKNOWN %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				break;
			case FZ_WIDGET_TYPE_PUSHBUTTON:
				fprintf(mujstest_file, "%% PUSHBUTTON %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				break;
			case FZ_WIDGET_TYPE_CHECKBOX:
				fprintf(mujstest_file, "%% CHECKBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				break;
			case FZ_WIDGET_TYPE_RADIOBUTTON:
				fprintf(mujstest_file, "%% RADIOBUTTON %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				break;
			case FZ_WIDGET_TYPE_TEXT:
			{
				int maxlen = fz_text_widget_max_len(inter, widget);
				int texttype = fz_text_widget_content_type(inter, widget);

				/* If height is low, assume a single row, and base
				 * the width off that. */
				if (h < 10)
				{
					w = (w+h-1) / (h ? h : 1);
					h = 1;
				}
				/* Otherwise, if width is low, work off height */
				else if (w < 10)
				{
					h = (w+h-1) / (w ? w : 1);
					w = 1;
				}
				else
				{
					w = (w+9)/10;
					h = (h+9)/10;
				}
				len = w*h;
				if (len < 2)
					len = 2;
				if (len > maxlen)
					len = maxlen;
				fprintf(mujstest_file, "%% TEXT %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				switch (texttype)
				{
				default:
				case FZ_WIDGET_CONTENT_UNRESTRAINED:
					fprintf(mujstest_file, "TEXT %d ", mujstest_count);
					escape_string(mujstest_file, len-3, lorem);
					fprintf(mujstest_file, "\n");
					break;
				case FZ_WIDGET_CONTENT_NUMBER:
					fprintf(mujstest_file, "TEXT %d\n", mujstest_count);
					break;
				case FZ_WIDGET_CONTENT_SPECIAL:
					fprintf(mujstest_file, "TEXT %lld\n", 46702919800LL + mujstest_count);
					break;
				case FZ_WIDGET_CONTENT_DATE:
					fprintf(mujstest_file, "TEXT Jun %d 1979\n", 1 + ((13 + mujstest_count) % 30));
					break;
				case FZ_WIDGET_CONTENT_TIME:
					++mujstest_count;
					fprintf(mujstest_file, "TEXT %02d:%02d\n", ((mujstest_count/60) % 24), mujstest_count % 60);
					break;
				}
				break;
			}
			case FZ_WIDGET_TYPE_LISTBOX:
				fprintf(mujstest_file, "%% LISTBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				break;
			case FZ_WIDGET_TYPE_COMBOBOX:
				fprintf(mujstest_file, "%% COMBOBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				break;
			}
			fprintf(mujstest_file, "CLICK %0.2f %0.2f\n", (rect.x0+rect.x1)/2, (rect.y0+rect.y1)/2);
		}
	}

	if (uselist)
	{
		fz_try(ctx)
		{
			list = fz_new_display_list(ctx);
			dev = fz_new_list_device(ctx, list);
			fz_run_page(doc, page, dev, fz_identity, &cookie);
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
		}
		fz_catch(ctx)
		{
			fz_free_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_throw(ctx, "cannot draw page %d in file '%s'", pagenum, filename);
		}
	}

	if (showxml)
	{
		fz_try(ctx)
		{
			dev = fz_new_trace_device(ctx);
			fz_printf(out, "<page number=\"%d\">\n", pagenum);
			if (list)
				fz_run_display_list(list, dev, fz_identity, fz_infinite_rect, &cookie);
			else
				fz_run_page(doc, page, dev, fz_identity, &cookie);
			fz_printf(out, "</page>\n");
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
		}
		fz_catch(ctx)
		{
			fz_free_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
	}

	if (showtext)
	{
		fz_text_page *text = NULL;

		fz_var(text);

		fz_try(ctx)
		{
			text = fz_new_text_page(ctx, fz_bound_page(doc, page));
			dev = fz_new_text_device(ctx, sheet, text);
			if (list)
				fz_run_display_list(list, dev, fz_identity, fz_infinite_rect, &cookie);
			else
				fz_run_page(doc, page, dev, fz_identity, &cookie);
			fz_free_device(dev);
			dev = NULL;
			if (showtext == TEXT_XML)
			{
				fz_print_text_page_xml(ctx, out, text);
			}
			else if (showtext == TEXT_HTML)
			{
				fz_print_text_page_html(ctx, out, text);
			}
			else if (showtext == TEXT_PLAIN)
			{
				fz_print_text_page(ctx, out, text);
				fz_printf(out, "\f\n");
			}
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
			fz_free_text_page(ctx, text);
		}
		fz_catch(ctx)
		{
			fz_free_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
	}

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

#ifdef GDI_PLUS_BMP_RENDERER
	// hack: use -G0 to "enable GDI+" when saving as TGA
	if (output && (strstr(output, ".bmp") || strstr(output, ".tga") && !gamma_value))
		drawbmp(ctx, doc, page, list, pagenum);
	else
#endif
	if (output || showmd5 || showtime)
	{
		float zoom;
		fz_matrix ctm;
		fz_rect bounds, tbounds;
		fz_bbox ibounds;
		fz_pixmap *pix = NULL;
		int w, h;

		fz_var(pix);

		bounds = fz_bound_page(doc, page);
		zoom = resolution / 72;
		ctm = fz_scale(zoom, zoom);
		ctm = fz_concat(ctm, fz_rotate(rotation));
		tbounds = fz_transform_rect(ctm, bounds);
		ibounds = fz_round_rect(tbounds); /* convert to integers */

		/* Make local copies of our width/height */
		w = width;
		h = height;

		/* If a resolution is specified, check to see whether w/h are
		 * exceeded; if not, unset them. */
		if (res_specified)
		{
			int t;
			t = ibounds.x1 - ibounds.x0;
			if (w && t <= w)
				w = 0;
			t = ibounds.y1 - ibounds.y0;
			if (h && t <= h)
				h = 0;
		}

		/* Now w or h will be 0 unless they need to be enforced. */
		if (w || h)
		{
			float scalex = w / (tbounds.x1 - tbounds.x0);
			float scaley = h / (tbounds.y1 - tbounds.y0);

			if (fit)
			{
				if (w == 0)
					scalex = 1.0f;
				if (h == 0)
					scaley = 1.0f;
			}
			else
			{
				if (w == 0)
					scalex = scaley;
				if (h == 0)
					scaley = scalex;
			}
			if (!fit)
			{
				if (scalex > scaley)
					scalex = scaley;
				else
					scaley = scalex;
			}
			ctm = fz_concat(ctm, fz_scale(scalex, scaley));
			tbounds = fz_transform_rect(ctm, bounds);
		}
		ibounds = fz_round_rect(tbounds);

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

		fz_try(ctx)
		{
			pix = fz_new_pixmap_with_bbox(ctx, colorspace, ibounds);

			if (savealpha)
				fz_clear_pixmap(ctx, pix);
			else
				fz_clear_pixmap_with_value(ctx, pix, 255);

			dev = fz_new_draw_device(ctx, pix);
			if (list)
				fz_run_display_list(list, dev, ctm, tbounds, &cookie);
			else
				fz_run_page(doc, page, dev, ctm, &cookie);
			fz_free_device(dev);
			dev = NULL;

			if (invert)
				fz_invert_pixmap(ctx, pix);
			if (gamma_value != 1)
				fz_gamma_pixmap(ctx, pix, gamma_value);

			if (savealpha)
				fz_unmultiply_pixmap(ctx, pix);

			if (output)
			{
				char buf[512];
				sprintf(buf, output, pagenum);
				if (strstr(output, ".pgm") || strstr(output, ".ppm") || strstr(output, ".pnm"))
					fz_write_pnm(ctx, pix, buf);
				else if (strstr(output, ".pam"))
					fz_write_pam(ctx, pix, buf, savealpha);
				else if (strstr(output, ".png"))
					fz_write_png(ctx, pix, buf, savealpha);
				else if (strstr(output, ".pbm")) {
					fz_bitmap *bit = fz_halftone_pixmap(ctx, pix, NULL);
					fz_write_pbm(ctx, bit, buf);
					fz_drop_bitmap(ctx, bit);
				}
				/* SumatraPDF: support TGA as output format */
				else if (strstr(output, ".tga"))
					fz_write_tga(ctx, pix, buf, savealpha);
			}

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

				fz_md5_pixmap(pix, digest);
				printf(" ");
				for (i = 0; i < 16; i++)
					printf("%02x", digest[i]);
			}
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
			fz_drop_pixmap(ctx, pix);
		}
		fz_catch(ctx)
		{
			fz_free_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
	}
Esempio n. 8
0
static void drawbmp(fz_context *ctx, fz_document *doc, fz_page *page, fz_display_list *list, int pagenum)
{
	float zoom;
	fz_matrix ctm;
	fz_bbox bbox;
	fz_rect bounds, bounds2;

	int w, h;
	fz_device *dev;
	HDC dc, dc_main;
	RECT rc;
	HBRUSH bg_brush;
	HBITMAP hbmp;
	BITMAPINFO bmi = { 0 };
	int bmp_data_len;
	char *bmp_data;

	bounds = fz_bound_page(doc, page);
	zoom = resolution / 72;
	ctm = fz_scale(zoom, zoom);
	ctm = fz_concat(ctm, fz_rotate(rotation));
	bounds2 = fz_transform_rect(ctm, bounds);

	w = width;
	h = height;
	if (res_specified)
	{
		bbox = fz_round_rect(bounds2);
		if (w && bbox.x1 - bbox.x0 <= w)
			w = 0;
		if (h && bbox.y1 - bbox.y0 <= h)
			h = 0;
	}
	if (w || h)
	{
		float scalex = w / (bounds2.x1 - bounds2.x0);
		float scaley = h / (bounds2.y1 - bounds2.y0);
		if (w == 0)
			scalex = fit ? 1.0f : scaley;
		if (h == 0)
			scaley = fit ? 1.0f : scalex;
		if (!fit)
			scalex = scaley = min(scalex, scaley);
		ctm = fz_concat(ctm, fz_scale(scalex, scaley));
		bounds2 = fz_transform_rect(ctm, bounds);
	}
	bbox = fz_round_rect(bounds2);

	w = bbox.x1 - bbox.x0;
	h = bbox.y1 - bbox.y0;

	dc_main = GetDC(NULL);
	dc = CreateCompatibleDC(dc_main);
	hbmp = CreateCompatibleBitmap(dc_main, w, h);
	DeleteObject(SelectObject(dc, hbmp));

	SetRect(&rc, 0, 0, w, h);
	bg_brush = CreateSolidBrush(RGB(0xFF,0xFF,0xFF));
	FillRect(dc, &rc, bg_brush);
	DeleteObject(bg_brush);

	dev = fz_new_gdiplus_device(ctx, dc, fz_rect_from_bbox(bbox));
	if (list)
		fz_run_display_list(list, dev, ctm, fz_rect_from_bbox(bbox), NULL);
	else
		fz_run_page(doc, page, dev, ctm, NULL);
	fz_free_device(dev);

	bmi.bmiHeader.biSize = sizeof(bmi.bmiHeader);
	bmi.bmiHeader.biWidth = w;
	bmi.bmiHeader.biHeight = h;
	bmi.bmiHeader.biPlanes = 1;
	bmi.bmiHeader.biBitCount = 24;
	bmi.bmiHeader.biCompression = BI_RGB;

	bmp_data_len = ((w * 3 + 3) / 4) * 4 * h;
	bmp_data = fz_malloc(ctx, bmp_data_len + 1);
	if (!GetDIBits(dc, hbmp, 0, h, bmp_data, &bmi, DIB_RGB_COLORS))
		fz_throw(ctx, "cannot draw page %d in PDF file '%s'", pagenum, filename);

	DeleteDC(dc);
	ReleaseDC(NULL, dc_main);
	DeleteObject(hbmp);

	if (output)
	{
		char buf[512];
		FILE *f;

		sprintf(buf, output, pagenum);
		f = fopen(buf, "wb");
		if (!f)
			fz_throw(ctx, "could not create raster file '%s'", buf);

		if (strstr(output, ".bmp"))
		{
			BITMAPFILEHEADER bmpfh = { 0 };
			static const int one = 1;
			if (!*(char *)&one)
				fz_throw(ctx, "rendering to BMP is not supported on big-endian architectures");

			bmpfh.bfType = MAKEWORD('B', 'M');
			bmpfh.bfOffBits = sizeof(bmpfh) + sizeof(bmi);
			bmpfh.bfSize = bmpfh.bfOffBits + bmp_data_len;

			fwrite(&bmpfh, sizeof(bmpfh), 1, f);
			fwrite(&bmi, sizeof(bmi), 1, f);
			fwrite(bmp_data, 1, bmp_data_len, f);
		}
		else
		{
			unsigned short width = w, height = h, k;

			fwrite("\0\0\x0A\0\0\0\0\0\0\0\0\0", 1, 12, f);
			putc(width & 0xFF, f); putc((width >> 8) & 0xFF, f);
			putc(height & 0xFF, f); putc((height >> 8) & 0xFF, f);
			fwrite("\x18\0", 1, 2, f);

			for (k = 0; k < height; k++)
			{
				int i, j;
				char *line = bmp_data + bmp_data_len / h * k;
				for (i = 0, j = 1; i < width; i += j, j = 1)
				{
#define memeq3(a, b) (*(WORD *)(a) == *(WORD *)(b) && (a)[2] == (b)[2])
					for (; i + j < width && j < 128 && memeq3(line + i * 3, line + (i + j) * 3); j++);
					if (j > 1)
					{
						putc(j - 1 + 128, f);
						fwrite(line + i * 3, 1, 3, f);
					}
					else
					{
						for (; i + j < width && j <= 128 && !memeq3(line + (i + j - 1) * 3, line + (i + j) * 3) != 0; j++);
						if (i + j < width || j > 128)
							j--;
						putc(j - 1, f);
						fwrite(line + i * 3, 1, j * 3, f);
					}
#undef memeq3
				}
			}
			fwrite("\0\0\0\0\0\0\0\0TRUEVISION-XFILE.\0", 1, 26, f);
		}

		fclose(f);
	}

	if (showmd5)
	{
		fz_pixmap *pix = fz_new_pixmap_with_data(ctx, fz_device_rgb, bmp_data_len / 4 / h, h, bmp_data);
		unsigned char digest[16];
		int i;

		fz_md5_pixmap(pix, digest);
		printf(" ");
		for (i = 0; i < 16; i++)
			printf("%02x", digest[i]);

		fz_drop_pixmap(ctx, pix);
	}

	fz_free(ctx, bmp_data);
}
Esempio n. 9
0
HRESULT MuPDFDoc::UpdatePage(int pageNumber, unsigned char *bitmap, int x, int y, int width, int height, bool invert)
{
	int index = FindPageInCache(pageNumber);
	if (index < 0)
	{
		//TODO: get rid of this side effect!!!
		HRESULT result = GotoPage(pageNumber);
		if (FAILED(result))
		{
			return result;
		}
		return DrawPage(bitmap, x, y, width, height, invert);
	}
	fz_device *dev = nullptr;
	fz_pixmap *pixmap = nullptr;
	fz_var(dev);
	fz_var(pixmap);
	PageCache *pageCache = &m_pages[m_currentPage];
	fz_try(m_context)
	{
		fz_interactive *idoc = fz_interact(m_document);
		// Call fz_update_page now to ensure future calls yield the
		// changes from the current state
		if (idoc)
			fz_update_page(idoc, pageCache->page);

		if (!pageCache->pageList)
		{
			/* Render to list */
			pageCache->pageList = fz_new_display_list(m_context);
			dev = fz_new_list_device(m_context, pageCache->pageList);
			fz_run_page_contents(m_document, pageCache->page, dev, fz_identity, nullptr);
		}
		if (!pageCache->annotList)
		{
			if (dev)
			{
				fz_free_device(dev);
				dev = nullptr;
			}
			pageCache->annotList = fz_new_display_list(m_context);
			dev = fz_new_list_device(m_context, pageCache->annotList);
			for (fz_annot *annot = fz_first_annot(m_document, pageCache->page); annot; annot = fz_next_annot(m_document, annot))
				fz_run_annot(m_document, pageCache->page, annot, dev, fz_identity, nullptr);
		}
		fz_bbox rect;
		rect.x0 = x;
		rect.y0 = y;
		rect.x1 = x + width;
		rect.y1 = y + height;
		pixmap = fz_new_pixmap_with_bbox_and_data(m_context, fz_device_bgr, rect, bitmap);
		//
		fz_matrix ctm = CalcConvertMatrix();
		fz_bbox bbox = fz_round_rect(fz_transform_rect(ctm, pageCache->mediaBox));
		/* Now, adjust ctm so that it would give the correct page width
		 * heights. */
		float xscale = (float)width/(float)(bbox.x1-bbox.x0);
		float yscale = (float)height/(float)(bbox.y1-bbox.y0);
		ctm = fz_concat(ctm, fz_scale(xscale, yscale));
		bbox = fz_round_rect(fz_transform_rect(ctm, pageCache->mediaBox));
		if (dev)
		{
			fz_free_device(dev);
			dev = nullptr;
		}
		fz_annot *annot;
		while (idoc && (annot = fz_poll_changed_annot(idoc, pageCache->page)))
		{
			fz_bbox abox = fz_round_rect(fz_transform_rect(ctm, fz_bound_annot(m_document, annot)));
			abox = fz_intersect_bbox(abox, rect);

			if (!fz_is_empty_bbox(abox))
			{
				fz_clear_pixmap_rect_with_value(m_context, pixmap, 0xff, abox);
				dev = fz_new_draw_device_with_bbox(m_context, pixmap, abox);
				if (pageCache->pageList)
					fz_run_display_list(pageCache->pageList, dev, ctm, abox, nullptr);
				if (pageCache->annotList)
					fz_run_display_list(pageCache->annotList, dev, ctm, abox, nullptr);
				fz_free_device(dev);
				dev = nullptr;
				if (invert)
					fz_invert_pixmap_rect(pixmap, abox);
			}
		}
	}
	fz_always(m_context)
	{
		if (dev)
		{
			fz_free_device(dev);
			dev = nullptr;
		}
		if (pixmap)
		{
			fz_drop_pixmap(m_context, pixmap);
		}
	}
	fz_catch(m_context)
	{
		return E_FAIL;
	}
	return S_OK;
}
Esempio n. 10
0
static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
{
	fz_page *page;
	fz_display_list *list = NULL;
	fz_device *dev = NULL;
	int start;
	fz_cookie cookie = { 0 };
	int needshot = 0;

	fz_var(list);
	fz_var(dev);

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

	fz_try(ctx)
	{
		page = fz_load_page(doc, pagenum - 1);
	}
	fz_catch(ctx)
	{
		fz_rethrow_message(ctx, "cannot load page %d in file '%s'", pagenum, filename);
	}

	if (mujstest_file)
	{
		pdf_document *inter = pdf_specifics(doc);
		pdf_widget *widget = NULL;

		if (inter)
			widget = pdf_first_widget(inter, (pdf_page *)page);

		if (widget)
		{
			fprintf(mujstest_file, "GOTO %d\n", pagenum);
			needshot = 1;
		}
		for (;widget; widget = pdf_next_widget(widget))
		{
			fz_rect rect;
			int w, h, len;
			int type = pdf_widget_get_type(widget);

			pdf_bound_widget(widget, &rect);
			w = (rect.x1 - rect.x0);
			h = (rect.y1 - rect.y0);
			++mujstest_count;
			switch (type)
			{
			default:
				fprintf(mujstest_file, "%% UNKNOWN %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				break;
			case PDF_WIDGET_TYPE_PUSHBUTTON:
				fprintf(mujstest_file, "%% PUSHBUTTON %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				break;
			case PDF_WIDGET_TYPE_CHECKBOX:
				fprintf(mujstest_file, "%% CHECKBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				break;
			case PDF_WIDGET_TYPE_RADIOBUTTON:
				fprintf(mujstest_file, "%% RADIOBUTTON %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				break;
			case PDF_WIDGET_TYPE_TEXT:
			{
				int maxlen = pdf_text_widget_max_len(inter, widget);
				int texttype = pdf_text_widget_content_type(inter, widget);

				/* If height is low, assume a single row, and base
				 * the width off that. */
				if (h < 10)
				{
					w = (w+h-1) / (h ? h : 1);
					h = 1;
				}
				/* Otherwise, if width is low, work off height */
				else if (w < 10)
				{
					h = (w+h-1) / (w ? w : 1);
					w = 1;
				}
				else
				{
					w = (w+9)/10;
					h = (h+9)/10;
				}
				len = w*h;
				if (len < 2)
					len = 2;
				if (len > maxlen)
					len = maxlen;
				fprintf(mujstest_file, "%% TEXT %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				switch (texttype)
				{
				default:
				case PDF_WIDGET_CONTENT_UNRESTRAINED:
					fprintf(mujstest_file, "TEXT %d ", mujstest_count);
					escape_string(mujstest_file, len-3, lorem);
					fprintf(mujstest_file, "\n");
					break;
				case PDF_WIDGET_CONTENT_NUMBER:
					fprintf(mujstest_file, "TEXT %d\n", mujstest_count);
					break;
				case PDF_WIDGET_CONTENT_SPECIAL:
#ifdef __MINGW32__
					fprintf(mujstest_file, "TEXT %I64d\n", 46702919800LL + mujstest_count);
#else
					fprintf(mujstest_file, "TEXT %lld\n", 46702919800LL + mujstest_count);
#endif
					break;
				case PDF_WIDGET_CONTENT_DATE:
					fprintf(mujstest_file, "TEXT Jun %d 1979\n", 1 + ((13 + mujstest_count) % 30));
					break;
				case PDF_WIDGET_CONTENT_TIME:
					++mujstest_count;
					fprintf(mujstest_file, "TEXT %02d:%02d\n", ((mujstest_count/60) % 24), mujstest_count % 60);
					break;
				}
				break;
			}
			case PDF_WIDGET_TYPE_LISTBOX:
				fprintf(mujstest_file, "%% LISTBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				break;
			case PDF_WIDGET_TYPE_COMBOBOX:
				fprintf(mujstest_file, "%% COMBOBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
				break;
			}
			fprintf(mujstest_file, "CLICK %0.2f %0.2f\n", (rect.x0+rect.x1)/2, (rect.y0+rect.y1)/2);
		}
	}

	if (uselist)
	{
		fz_try(ctx)
		{
			list = fz_new_display_list(ctx);
			dev = fz_new_list_device(ctx, list);
			fz_run_page(doc, page, dev, &fz_identity, &cookie);
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
		}
		fz_catch(ctx)
		{
			fz_drop_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow_message(ctx, "cannot draw page %d in file '%s'", pagenum, filename);
		}
	}

	if (showxml)
	{
		fz_try(ctx)
		{
			dev = fz_new_trace_device(ctx);
			if (list)
				fz_run_display_list(list, dev, &fz_identity, &fz_infinite_rect, &cookie);
			else
				fz_run_page(doc, page, dev, &fz_identity, &cookie);
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
		}
		fz_catch(ctx)
		{
			fz_drop_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
	}

	if (showtext)
	{
		fz_text_page *text = NULL;

		fz_var(text);

		fz_try(ctx)
		{
			text = fz_new_text_page(ctx);
			dev = fz_new_text_device(ctx, sheet, text);
			if (showtext == TEXT_HTML)
				fz_disable_device_hints(dev, FZ_IGNORE_IMAGE);
			if (list)
				fz_run_display_list(list, dev, &fz_identity, &fz_infinite_rect, &cookie);
			else
				fz_run_page(doc, page, dev, &fz_identity, &cookie);
			fz_free_device(dev);
			dev = NULL;
			if (showtext == TEXT_XML)
			{
				fz_print_text_page_xml(ctx, out, text);
			}
			else if (showtext == TEXT_HTML)
			{
				fz_analyze_text(ctx, sheet, text);
				fz_print_text_page_html(ctx, out, text);
			}
			else if (showtext == TEXT_PLAIN)
			{
				fz_print_text_page(ctx, out, text);
				fz_printf(out, "\f\n");
			}
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
			fz_free_text_page(ctx, text);
		}
		fz_catch(ctx)
		{
			fz_drop_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
	}

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

	if (pdfout)
	{
		fz_matrix ctm;
		fz_rect bounds, tbounds;
		pdf_page *newpage;

		fz_bound_page(doc, page, &bounds);
		fz_rotate(&ctm, rotation);
		tbounds = bounds;
		fz_transform_rect(&tbounds, &ctm);

		newpage = pdf_create_page(pdfout, bounds, 72, 0);

		fz_try(ctx)
		{
			dev = pdf_page_write(pdfout, newpage);
			if (list)
				fz_run_display_list(list, dev, &ctm, &tbounds, &cookie);
			else
				fz_run_page(doc, page, dev, &ctm, &cookie);
			fz_free_device(dev);
			dev = NULL;
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
		}
		fz_catch(ctx)
		{
			fz_drop_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
		pdf_insert_page(pdfout, newpage, INT_MAX);
		pdf_free_page(pdfout, newpage);
	}

	if (output && output_format == OUT_SVG)
	{
		float zoom;
		fz_matrix ctm;
		fz_rect bounds, tbounds;
		char buf[512];
		FILE *file;
		fz_output *out;

		if (!strcmp(output, "-"))
			file = stdout;
		else
		{
			sprintf(buf, output, pagenum);
			file = fopen(buf, "wb");
			if (file == NULL)
				fz_throw(ctx, FZ_ERROR_GENERIC, "cannot open file '%s': %s", buf, strerror(errno));
		}

		out = fz_new_output_with_file(ctx, file);

		fz_bound_page(doc, page, &bounds);
		zoom = resolution / 72;
		fz_pre_rotate(fz_scale(&ctm, zoom, zoom), rotation);
		tbounds = bounds;
		fz_transform_rect(&tbounds, &ctm);

		fz_try(ctx)
		{
			dev = fz_new_svg_device(ctx, out, tbounds.x1-tbounds.x0, tbounds.y1-tbounds.y0);
			if (list)
				fz_run_display_list(list, dev, &ctm, &tbounds, &cookie);
			else
				fz_run_page(doc, page, dev, &ctm, &cookie);
			fz_free_device(dev);
			dev = NULL;
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
			fz_close_output(out);
			if (file != stdout)
				fclose(file);
		}
		fz_catch(ctx)
		{
			fz_drop_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
	}
Esempio n. 11
0
JNIEXPORT jboolean JNICALL
JNI_FN(MuPDF_drawPage)(JNIEnv *env, jobject thiz, jobject bitmap,
		int pageW, int pageH, int patchX, int patchY, int patchW, int patchH)
{
	AndroidBitmapInfo info;
	void *pixels;
	int ret;
	fz_device *dev = NULL;
	float zoom;
	fz_matrix ctm;
	fz_irect bbox;
	fz_rect rect;
	fz_pixmap *pix = NULL;
	float xscale, yscale;
	globals *glo = get_globals(env, thiz);
	fz_context *ctx = glo->ctx;
	fz_document *doc = glo->doc;
	page_cache *pc = &glo->pages[glo->current];
	int hq = (patchW < pageW || patchH < pageH);
	fz_matrix scale;

	if (pc->page == NULL)
		return 0;

	fz_var(pix);
	fz_var(dev);

	LOGI("In native method\n");
	if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) {
		LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret);
		return 0;
	}

	LOGI("Checking format\n");
	if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
		LOGE("Bitmap format is not RGBA_8888 !");
		return 0;
	}

	LOGI("locking pixels\n");
	if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) {
		LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
		return 0;
	}

	/* Call mupdf to render display list to screen */
	LOGE("Rendering page(%d)=%dx%d patch=[%d,%d,%d,%d]",
			pc->number, pageW, pageH, patchX, patchY, patchW, patchH);

	fz_try(ctx)
	{
		if (pc->page_list == NULL)
		{
			/* Render to list */
			pc->page_list = fz_new_display_list(ctx);
			dev = fz_new_list_device(ctx, pc->page_list);
			fz_run_page_contents(doc, pc->page, dev, &fz_identity, NULL);
		}
		if (pc->annot_list == NULL)
		{
			fz_annot *annot;
			if (dev)
			{
				fz_free_device(dev);
				dev = NULL;
			}
			pc->annot_list = fz_new_display_list(ctx);
			dev = fz_new_list_device(ctx, pc->annot_list);
			for (annot = fz_first_annot(doc, pc->page); annot; annot = fz_next_annot(doc, annot))
				fz_run_annot(doc, pc->page, annot, dev, &fz_identity, NULL);
		}
		bbox.x0 = patchX;
		bbox.y0 = patchY;
		bbox.x1 = patchX + patchW;
		bbox.y1 = patchY + patchH;
		pix = fz_new_pixmap_with_bbox_and_data(ctx, glo->colorspace, &bbox, pixels);
		if (pc->page_list == NULL && pc->annot_list == NULL)
		{
			fz_clear_pixmap_with_value(ctx, pix, 0xd0);
			break;
		}
		fz_clear_pixmap_with_value(ctx, pix, 0xff);

		zoom = glo->resolution / 72;
		fz_scale(&ctm, zoom, zoom);
		rect = pc->media_box;
		fz_round_rect(&bbox, fz_transform_rect(&rect, &ctm));
		/* Now, adjust ctm so that it would give the correct page width
		 * heights. */
		xscale = (float)pageW/(float)(bbox.x1-bbox.x0);
		yscale = (float)pageH/(float)(bbox.y1-bbox.y0);
		fz_concat(&ctm, &ctm, fz_scale(&scale, xscale, yscale));
		rect = pc->media_box;
		fz_transform_rect(&rect, &ctm);
		dev = fz_new_draw_device(ctx, pix);
#ifdef TIME_DISPLAY_LIST
		{
			clock_t time;
			int i;

			LOGE("Executing display list");
			time = clock();
			for (i=0; i<100;i++) {
#endif
				if (pc->page_list)
					fz_run_display_list(pc->page_list, dev, &ctm, &rect, NULL);
				if (pc->annot_list)
					fz_run_display_list(pc->annot_list, dev, &ctm, &rect, NULL);
#ifdef TIME_DISPLAY_LIST
			}
			time = clock() - time;
			LOGE("100 renders in %d (%d per sec)", time, CLOCKS_PER_SEC);
		}
#endif
		fz_free_device(dev);
		dev = NULL;
		fz_drop_pixmap(ctx, pix);
		LOGE("Rendered");
	}
	fz_catch(ctx)
	{
		fz_free_device(dev);
		LOGE("Render failed");
	}

	AndroidBitmap_unlockPixels(env, bitmap);

	return 1;
}
Esempio n. 12
0
int bmpmupdf_pdffile_to_bmp(WILLUSBITMAP *bmp,char *filename,int pageno,double dpi,
                            int bpp)

    {
    fz_context *ctx;
    fz_colorspace *colorspace;
    fz_document *doc;
    fz_page *page;
    fz_display_list *list;
    fz_device *dev;
    fz_pixmap *pix;
    double dpp;
    fz_rect bounds,bounds2;
    fz_matrix ctm;
    fz_irect bbox;
//    fz_glyph_cache *glyphcache;
//    fz_error error;
    int np,status;

    dev=NULL;
    list=NULL;
    page=NULL;
    doc=NULL;
    status=0;
    if (pageno<1)
        return(-99);
    ctx = fz_new_context(NULL,NULL,FZ_STORE_DEFAULT);
    if (!ctx)
        return(-1);
    fz_try(ctx)
    {
    fz_register_document_handlers(ctx);
    fz_set_aa_level(ctx,8);
    /* Sumatra version of MuPDF v1.4 -- use locally installed fonts */
    pdf_install_load_system_font_funcs(ctx);
//    fz_accelerate();
//    glyphcache=fz_new_glyph_cache();
    colorspace=(bpp==8 ? fz_device_gray(ctx) : fz_device_rgb(ctx));
    fz_try(ctx) { doc=fz_open_document(ctx,filename); }
    fz_catch(ctx) 
        { 
        fz_free_context(ctx);
        return(-1);
        }
    /*
    if (fz_needs_password(doc) && !fz_authenticate_password(doc,password))
        return(-2);
    */
//    error=pdf_load_page_tree(xref);
//    if (error)
//        {
//        pdf_free_xref(xref);
//        return(-2);
//        }

    np=fz_count_pages(doc);
    if (pageno>np)
        return(-99);
    fz_try(ctx) { page = fz_load_page(doc,pageno-1); }
    fz_catch(ctx) 
        {
        fz_close_document(doc);
        fz_free_context(ctx);
        return(-3);
        }
    fz_try(ctx) { list=fz_new_display_list(ctx);
                  dev=fz_new_list_device(ctx,list);
                  fz_run_page(doc,page,dev,&fz_identity,NULL);
                }
    fz_catch(ctx)
        {
        fz_free_device(dev);
        fz_drop_display_list(ctx,list);
        fz_free_page(doc,page);
        fz_close_document(doc);
        fz_free_context(ctx);
        return(-4);
        }
    fz_free_device(dev);
    dev=NULL;
    dpp=dpi/72.;
    pix=NULL;
    fz_var(pix);
    fz_bound_page(doc,page,&bounds);
    ctm=fz_identity;
    fz_scale(&ctm,dpp,dpp);
//    ctm=fz_concat(ctm,fz_rotate(rotation));
    bounds2=bounds;
    fz_transform_rect(&bounds2,&ctm);
    fz_round_rect(&bbox,&bounds2);
//    ctm=fz_translate(0,-page->mediabox.y1);
//    ctm=fz_concat(ctm,fz_scale(dpp,-dpp));
//    ctm=fz_concat(ctm,fz_rotate(page->rotate));
//    ctm=fz_concat(ctm,fz_rotate(0));
//    bbox=fz_round_rect(fz_transform_rect(ctm,page->mediabox));
//    pix=fz_new_pixmap_with_rect(colorspace,bbox);
    fz_try(ctx)
        {
        pix=fz_new_pixmap_with_bbox(ctx,colorspace,&bbox);
        fz_clear_pixmap_with_value(ctx,pix,255);
        dev=fz_new_draw_device(ctx,pix);
        if (list)
            fz_run_display_list(list,dev,&ctm,&bounds2,NULL);
        else
            fz_run_page(doc,page,dev,&ctm,NULL);
        fz_free_device(dev);
        dev=NULL;
        status=bmpmupdf_pixmap_to_bmp(bmp,ctx,pix);
        fz_drop_pixmap(ctx,pix);
        }
    fz_catch(ctx)
        {
        fz_free_device(dev);
        fz_drop_pixmap(ctx,pix);
        fz_drop_display_list(ctx,list);
        fz_free_page(doc,page);
        fz_close_document(doc);
        fz_free_context(ctx);
        return(-5);
        }
    if (list)
        fz_drop_display_list(ctx,list);
    fz_free_page(doc,page);
//    pdf_free_xref(xref);
    fz_close_document(doc);
    fz_flush_warnings(ctx);
    } /* fz_catch before registering handlers */
    fz_catch(ctx) /* Error registering */
    {
    status = -10;
    }
    fz_free_context(ctx);
//    fz_free_glyph_cache(glyphcache);
//    fz_flush_warnings();
    if (status<0)
        return(status-10);
    return(0);
    }
Esempio n. 13
0
JNIEXPORT jboolean JNICALL
Java_com_artifex_mupdf_MuPDFCore_updatePageInternal(JNIEnv *env, jobject thiz, jobject bitmap, int page,
		int pageW, int pageH, int patchX, int patchY, int patchW, int patchH)
{
	AndroidBitmapInfo info;
	void *pixels;
	int ret;
	fz_device *dev = NULL;
	float zoom;
	fz_matrix ctm;
	fz_bbox bbox;
	fz_pixmap *pix = NULL;
	float xscale, yscale;
	fz_bbox rect;
	fz_interactive *idoc;
	page_cache *pc = NULL;
	int hq = (patchW < pageW || patchH < pageH);
	int i;

	for (i = 0; i < NUM_CACHE; i++)
	{
		if (pages[i].page != NULL && pages[i].number == page)
		{
			pc = &pages[i];
			break;
		}
	}

	if (pc == NULL || (hq && pc->hq_page == NULL))
	{
		Java_com_artifex_mupdf_MuPDFCore_gotoPageInternal(env, thiz, page);
		return Java_com_artifex_mupdf_MuPDFCore_drawPage(env, thiz, bitmap, pageW, pageH, patchX, patchY, patchW, patchH);
	}

	idoc = fz_interact(doc);

	fz_var(pix);
	fz_var(dev);

	LOGI("In native method\n");
	if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) {
		LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret);
		return 0;
	}

	LOGI("Checking format\n");
	if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
		LOGE("Bitmap format is not RGBA_8888 !");
		return 0;
	}

	LOGI("locking pixels\n");
	if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) {
		LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
		return 0;
	}

	/* Call mupdf to render display list to screen */
	LOGE("Rendering page(%d)=%dx%d patch=[%d,%d,%d,%d]",
			pc->number, pageW, pageH, patchX, patchY, patchW, patchH);

	fz_try(ctx)
	{
		fz_annot *annot;
		// Unimportant which page object we use for rendering but we
		// must use the correct one for calculating updates
		fz_page *page = hq ? pc->hq_page : pc->page;

		fz_update_page(idoc, page);

		if (pc->page_list == NULL)
		{
			/* Render to list */
			pc->page_list = fz_new_display_list(ctx);
			dev = fz_new_list_device(ctx, pc->page_list);
			fz_run_page_contents(doc, page, dev, fz_identity, NULL);
		}

		if (pc->annot_list == NULL) {
			if (dev) {
				fz_free_device(dev);
				dev = NULL;
			}
			pc->annot_list = fz_new_display_list(ctx);
			dev = fz_new_list_device(ctx, pc->annot_list);
			for (annot = fz_first_annot(doc, page); annot; annot = fz_next_annot(doc, annot))
				fz_run_annot(doc, page, annot, dev, fz_identity, NULL);
		}

		rect.x0 = patchX;
		rect.y0 = patchY;
		rect.x1 = patchX + patchW;
		rect.y1 = patchY + patchH;
		pix = fz_new_pixmap_with_bbox_and_data(ctx, colorspace, rect, pixels);

		zoom = resolution / 72;
		ctm = fz_scale(zoom, zoom);
		bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box));
		/* Now, adjust ctm so that it would give the correct page width
		 * heights. */
		xscale = (float)pageW/(float)(bbox.x1-bbox.x0);
		yscale = (float)pageH/(float)(bbox.y1-bbox.y0);
		ctm = fz_concat(ctm, fz_scale(xscale, yscale));
		bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box));

		LOGI("Start polling for updates");
		while ((annot = fz_poll_changed_annot(idoc, page)) != NULL)
		{
			fz_bbox abox = fz_round_rect(fz_transform_rect(ctm, fz_bound_annot(doc, annot)));
			abox = fz_intersect_bbox(abox, rect);

			LOGI("Update rectanglefor %s - (%d, %d, %d, %d)", widget_type_string(fz_widget_get_type((fz_widget*)annot)),
					abox.x0, abox.y0, abox.x1, abox.y1);
			if (!fz_is_empty_bbox(abox))
			{
				LOGI("And it isn't empty");
				fz_clear_pixmap_rect_with_value(ctx, pix, 0xff, abox);
				dev = fz_new_draw_device_with_bbox(ctx, pix, abox);
				if (pc->page_list)
					fz_run_display_list(pc->page_list, dev, ctm, abox, NULL);
				if (pc->annot_list)
					fz_run_display_list(pc->annot_list, dev, ctm, abox, NULL);
				fz_free_device(dev);
				dev = NULL;
			}
		}
		LOGI("Done polling for updates");

		LOGE("Rendered");
	}
	fz_catch(ctx)
	{
		fz_free_device(dev);
		LOGE("Render failed");
	}

	fz_drop_pixmap(ctx, pix);
	AndroidBitmap_unlockPixels(env, bitmap);

	return 1;
}
Esempio n. 14
0
JNIEXPORT jboolean JNICALL
Java_com_artifex_mupdf_MuPDFCore_drawPage(JNIEnv *env, jobject thiz, jobject bitmap,
		int pageW, int pageH, int patchX, int patchY, int patchW, int patchH)
{
	AndroidBitmapInfo info;
	void *pixels;
	int ret;
	fz_device *dev = NULL;
	float zoom;
	fz_matrix ctm;
	fz_bbox bbox;
	fz_pixmap *pix = NULL;
	float xscale, yscale;
	fz_bbox rect;
	page_cache *pc = &pages[current];
	int hq = (patchW < pageW || patchH < pageH);

	if (pc->page == NULL)
		return 0;

	fz_var(pix);
	fz_var(dev);

	LOGI("In native method\n");
	if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) {
		LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret);
		return 0;
	}

	LOGI("Checking format\n");
	if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
		LOGE("Bitmap format is not RGBA_8888 !");
		return 0;
	}

	LOGI("locking pixels\n");
	if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) {
		LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
		return 0;
	}

	/* Call mupdf to render display list to screen */
	LOGE("Rendering page(%d)=%dx%d patch=[%d,%d,%d,%d]",
			pc->number, pageW, pageH, patchX, patchY, patchW, patchH);

	fz_try(ctx)
	{
		fz_interactive *idoc = fz_interact(doc);

		// Call fz_update_page now to ensure future calls yield the
		// changes from the current state
		fz_update_page(idoc, pc->page);

		if (hq) {
			// This is a rendering of the hq patch. Ensure there's a second copy of the
			// page for use when updating this patch
			if (pc->hq_page) {
				if (idoc)
					fz_update_page(idoc, pc->hq_page);
			} else {
				// There is only ever one hq patch, so we need
				// cache only one page object for the sake of hq
				clear_hq_pages();
				pc->hq_page = fz_load_page(doc, pc->number);
			}
		}

		if (pc->page_list == NULL)
		{
			/* Render to list */
			pc->page_list = fz_new_display_list(ctx);
			dev = fz_new_list_device(ctx, pc->page_list);
			fz_run_page_contents(doc, pc->page, dev, fz_identity, NULL);
		}
		if (pc->annot_list == NULL)
		{
			fz_annot *annot;
			if (dev)
			{
				fz_free_device(dev);
				dev = NULL;
			}
			pc->annot_list = fz_new_display_list(ctx);
			dev = fz_new_list_device(ctx, pc->annot_list);
			for (annot = fz_first_annot(doc, pc->page); annot; annot = fz_next_annot(doc, annot))
				fz_run_annot(doc, pc->page, annot, dev, fz_identity, NULL);
		}
		rect.x0 = patchX;
		rect.y0 = patchY;
		rect.x1 = patchX + patchW;
		rect.y1 = patchY + patchH;
		pix = fz_new_pixmap_with_bbox_and_data(ctx, colorspace, rect, pixels);
		if (pc->page_list == NULL && pc->annot_list == NULL)
		{
			fz_clear_pixmap_with_value(ctx, pix, 0xd0);
			break;
		}
		fz_clear_pixmap_with_value(ctx, pix, 0xff);

		zoom = resolution / 72;
		ctm = fz_scale(zoom, zoom);
		bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box));
		/* Now, adjust ctm so that it would give the correct page width
		 * heights. */
		xscale = (float)pageW/(float)(bbox.x1-bbox.x0);
		yscale = (float)pageH/(float)(bbox.y1-bbox.y0);
		ctm = fz_concat(ctm, fz_scale(xscale, yscale));
		bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box));
		dev = fz_new_draw_device(ctx, pix);
#ifdef TIME_DISPLAY_LIST
		{
			clock_t time;
			int i;

			LOGE("Executing display list");
			time = clock();
			for (i=0; i<100;i++) {
#endif
				if (pc->page_list)
					fz_run_display_list(pc->page_list, dev, ctm, bbox, NULL);
				if (pc->annot_list)
					fz_run_display_list(pc->annot_list, dev, ctm, bbox, NULL);
#ifdef TIME_DISPLAY_LIST
			}
			time = clock() - time;
			LOGE("100 renders in %d (%d per sec)", time, CLOCKS_PER_SEC);
		}
#endif
		fz_free_device(dev);
		dev = NULL;
		fz_drop_pixmap(ctx, pix);
		LOGE("Rendered");
	}
	fz_catch(ctx)
	{
		fz_free_device(dev);
		LOGE("Render failed");
	}

	AndroidBitmap_unlockPixels(env, bitmap);

	return 1;
}
Esempio n. 15
0
HRESULT MuPDFDoc::DrawPage(unsigned char *bitmap, int x, int y, int width, int height, bool invert)
{
	m_cts->abort = 0;
	fz_device *dev = nullptr;
	fz_pixmap *pixmap = nullptr;
	fz_var(dev);
	fz_var(pixmap);
	PageCache *pageCache = &m_pages[m_currentPage];
	fz_try(m_context)
	{
		fz_interactive *idoc = fz_interact(m_document);
		// Call fz_update_page now to ensure future calls yield the
		// changes from the current state
		if (idoc)
			fz_update_page(idoc, pageCache->page);

		if (!pageCache->pageList)
		{
			/* Render to list */
			pageCache->pageList = fz_new_display_list(m_context);
			dev = fz_new_list_device(m_context, pageCache->pageList);

			fz_run_page_contents(m_document, pageCache->page, dev, fz_identity, *&m_cts);
		}
		if (!pageCache->annotList)
		{
			if (dev)
			{
				fz_free_device(dev);
				dev = nullptr;
			}
			pageCache->annotList = fz_new_display_list(m_context);
			dev = fz_new_list_device(m_context, pageCache->annotList);
			for (fz_annot *annot = fz_first_annot(m_document, pageCache->page); annot; annot = fz_next_annot(m_document, annot))
				fz_run_annot(m_document, pageCache->page, annot, dev, fz_identity, *&m_cts);
		}
		
			fz_bbox rect;
			rect.x0 = x;
			rect.y0 = y;
			rect.x1 = x + width;
			rect.y1 = y + height;
			pixmap = fz_new_pixmap_with_bbox_and_data(m_context, fz_device_bgr, rect, bitmap);
			if (!pageCache->pageList && !pageCache->annotList)
			{
				fz_clear_pixmap_with_value(m_context, pixmap, 0xd0);
				break;
			}
			fz_clear_pixmap_with_value(m_context, pixmap, 0xff);
			//
			fz_matrix ctm = CalcConvertMatrix();
			fz_bbox bbox = fz_round_rect(fz_transform_rect(ctm, pageCache->mediaBox));
			/* Now, adjust ctm so that it would give the correct page width
			 * heights. */
			float xscale = (float)width/(float)(bbox.x1-bbox.x0);
			float yscale = (float)height/(float)(bbox.y1-bbox.y0);
			ctm = fz_concat(ctm, fz_scale(xscale, yscale));
			bbox = fz_round_rect(fz_transform_rect(ctm, pageCache->mediaBox));
			if (dev)
			{
				fz_free_device(dev);
				dev = nullptr;
			}
			dev = fz_new_draw_device(m_context, pixmap);
			if (pageCache->pageList)
				fz_run_display_list(pageCache->pageList, dev, ctm, bbox, *&m_cts);
			about = m_cts->abort;
			if (pageCache->annotList)
				fz_run_display_list(pageCache->annotList, dev, ctm, bbox, *&m_cts);
			if (invert)
				fz_invert_pixmap(m_context, pixmap);
	}
	fz_always(m_context)
	{
		if (dev)
		{
			fz_free_device(dev);
			dev = nullptr;
		}
		if (pixmap)
		{
			fz_drop_pixmap(m_context, pixmap);
		}
	}
	fz_catch(m_context)
	{
		return E_FAIL;
	}

	return S_OK;
}
Esempio n. 16
0
static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
{
	fz_page *page;
	fz_display_list *list = NULL;
	fz_device *dev = NULL;
	int start;
	fz_cookie cookie = { 0 };

	fz_var(list);
	fz_var(dev);

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

	fz_try(ctx)
	{
		page = fz_load_page(doc, pagenum - 1);
	}
	fz_catch(ctx)
	{
		fz_rethrow_message(ctx, "cannot load page %d in file '%s'", pagenum, filename);
	}

	if (uselist)
	{
		fz_try(ctx)
		{
			list = fz_new_display_list(ctx);
			dev = fz_new_list_device(ctx, list);
			fz_run_page(doc, page, dev, &fz_identity, &cookie);
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
		}
		fz_catch(ctx)
		{
			fz_drop_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow_message(ctx, "cannot draw page %d in file '%s'", pagenum, filename);
		}
	}

	if (showxml)
	{
		fz_try(ctx)
		{
			dev = fz_new_trace_device(ctx);
			if (list)
				fz_run_display_list(list, dev, &fz_identity, &fz_infinite_rect, &cookie);
			else
				fz_run_page(doc, page, dev, &fz_identity, &cookie);
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
		}
		fz_catch(ctx)
		{
			fz_drop_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
	}

	if (showtext)
	{
		fz_text_page *text = NULL;

		fz_var(text);

		fz_try(ctx)
		{
			text = fz_new_text_page(ctx);
			dev = fz_new_text_device(ctx, sheet, text);
			if (showtext == TEXT_HTML)
				fz_disable_device_hints(dev, FZ_IGNORE_IMAGE);
			if (list)
				fz_run_display_list(list, dev, &fz_identity, &fz_infinite_rect, &cookie);
			else
				fz_run_page(doc, page, dev, &fz_identity, &cookie);
			fz_free_device(dev);
			dev = NULL;
			if (showtext == TEXT_XML)
			{
				fz_print_text_page_xml(ctx, out, text);
			}
			else if (showtext == TEXT_HTML)
			{
				fz_analyze_text(ctx, sheet, text);
				fz_print_text_page_html(ctx, out, text);
			}
			else if (showtext == TEXT_PLAIN)
			{
				fz_print_text_page(ctx, out, text);
				fz_printf(out, "\f\n");
			}
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
			fz_free_text_page(ctx, text);
		}
		fz_catch(ctx)
		{
			fz_drop_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
	}

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

	if (showfeatures)
	{
		int iscolor;
		dev = fz_new_test_device(ctx, &iscolor, 0.02f);
		fz_try(ctx)
		{
			if (list)
				fz_run_display_list(list, dev, &fz_identity, &fz_infinite_rect, NULL);
			else
				fz_run_page(doc, page, dev, &fz_identity, &cookie);
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
		}
		fz_catch(ctx)
		{
			fz_rethrow(ctx);
		}
		printf(" %s", iscolor ? "color" : "grayscale");
	}

	if (pdfout)
	{
		fz_matrix ctm;
		fz_rect bounds, tbounds;
		pdf_page *newpage;

		fz_bound_page(doc, page, &bounds);
		fz_rotate(&ctm, rotation);
		tbounds = bounds;
		fz_transform_rect(&tbounds, &ctm);

		newpage = pdf_create_page(pdfout, bounds, 72, 0);

		fz_try(ctx)
		{
			dev = pdf_page_write(pdfout, newpage);
			if (list)
				fz_run_display_list(list, dev, &ctm, &tbounds, &cookie);
			else
				fz_run_page(doc, page, dev, &ctm, &cookie);
			fz_free_device(dev);
			dev = NULL;
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
		}
		fz_catch(ctx)
		{
			fz_drop_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
		pdf_insert_page(pdfout, newpage, INT_MAX);
		pdf_free_page(pdfout, newpage);
	}

	if (output && output_format == OUT_SVG)
	{
		float zoom;
		fz_matrix ctm;
		fz_rect bounds, tbounds;
		char buf[512];
		FILE *file;
		fz_output *out;

		if (!strcmp(output, "-"))
			file = stdout;
		else
		{
			sprintf(buf, output, pagenum);
			file = fopen(buf, "wb");
			if (file == NULL)
				fz_throw(ctx, FZ_ERROR_GENERIC, "cannot open file '%s': %s", buf, strerror(errno));
		}

		out = fz_new_output_with_file(ctx, file);

		fz_bound_page(doc, page, &bounds);
		zoom = resolution / 72;
		fz_pre_rotate(fz_scale(&ctm, zoom, zoom), rotation);
		tbounds = bounds;
		fz_transform_rect(&tbounds, &ctm);

		fz_try(ctx)
		{
			dev = fz_new_svg_device(ctx, out, tbounds.x1-tbounds.x0, tbounds.y1-tbounds.y0);
			if (list)
				fz_run_display_list(list, dev, &ctm, &tbounds, &cookie);
			else
				fz_run_page(doc, page, dev, &ctm, &cookie);
			fz_free_device(dev);
			dev = NULL;
		}
		fz_always(ctx)
		{
			fz_free_device(dev);
			dev = NULL;
			fz_close_output(out);
			if (file != stdout)
				fclose(file);
		}
		fz_catch(ctx)
		{
			fz_drop_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
	}
Esempio n. 17
0
static void drawbmp(fz_context *ctx, fz_document *doc, fz_page *page, fz_display_list *list, int pagenum, fz_cookie *cookie)
{
	float zoom;
	fz_matrix ctm;
	fz_irect ibounds;
	fz_rect bounds, tbounds;

	int w, h;
	fz_device *dev;
	HDC dc, dc_main;
	RECT rc;
	HBRUSH bg_brush;
	HBITMAP hbmp;
	BITMAPINFO bmi = { 0 };
	int bmp_data_len;
	unsigned char *bmp_data;

	fz_bound_page(doc, page, &bounds);
	zoom = resolution / 72;
	fz_pre_scale(fz_rotate(&ctm, rotation), zoom, zoom);
	tbounds = bounds;
	fz_round_rect(&ibounds, fz_transform_rect(&tbounds, &ctm));

	w = width;
	h = height;
	if (res_specified)
	{
		fz_round_rect(&ibounds, &tbounds);
		if (w && ibounds.x1 - ibounds.x0 <= w)
			w = 0;
		if (h && ibounds.y1 - ibounds.y0 <= h)
			h = 0;
	}
	if (w || h)
	{
		float scalex = w / (tbounds.x1 - tbounds.x0);
		float scaley = h / (tbounds.y1 - tbounds.y0);
		fz_matrix scale_mat;
		if (w == 0)
			scalex = fit ? 1.0f : scaley;
		if (h == 0)
			scaley = fit ? 1.0f : scalex;
		if (!fit)
			scalex = scaley = min(scalex, scaley);
		fz_concat(&ctm, &ctm, fz_scale(&scale_mat, scalex, scaley));
		tbounds = bounds;
		fz_transform_rect(&tbounds, &ctm);
	}
	fz_round_rect(&ibounds, &tbounds);
	fz_rect_from_irect(&tbounds, &ibounds);

	w = ibounds.x1 - ibounds.x0;
	h = ibounds.y1 - ibounds.y0;

	dc_main = GetDC(NULL);
	dc = CreateCompatibleDC(dc_main);
	hbmp = CreateCompatibleBitmap(dc_main, w, h);
	DeleteObject(SelectObject(dc, hbmp));

	SetRect(&rc, 0, 0, w, h);
	bg_brush = CreateSolidBrush(RGB(0xFF,0xFF,0xFF));
	FillRect(dc, &rc, bg_brush);
	DeleteObject(bg_brush);

	dev = fz_new_gdiplus_device(ctx, dc, &tbounds);
	if (list)
		fz_run_display_list(list, dev, &ctm, &tbounds, cookie);
	else
		fz_run_page(doc, page, dev, &ctm, cookie);
	fz_free_device(dev);

	bmi.bmiHeader.biSize = sizeof(bmi.bmiHeader);
	bmi.bmiHeader.biWidth = w;
	bmi.bmiHeader.biHeight = output_format == OUT_TGA ? -h : h;
	bmi.bmiHeader.biPlanes = 1;
	bmi.bmiHeader.biBitCount = output_format == OUT_TGA ? 32 : 24;
	bmi.bmiHeader.biCompression = BI_RGB;

	bmp_data_len = output_format == OUT_TGA ? w * h * 4 : ((w * 3 + 3) / 4) * 4 * h;
	bmp_data = fz_malloc(ctx, bmp_data_len);
	if (!GetDIBits(dc, hbmp, 0, h, bmp_data, &bmi, DIB_RGB_COLORS))
		fz_throw(ctx, FZ_ERROR_GENERIC, "cannot draw page %d in PDF file '%s'", pagenum, filename);

	DeleteDC(dc);
	ReleaseDC(NULL, dc_main);
	DeleteObject(hbmp);

	if (output)
	{
		char buf[512];
		FILE *f;

		sprintf(buf, output, pagenum);
		f = fopen(buf, "wb");
		if (!f)
			fz_throw(ctx, FZ_ERROR_GENERIC, "could not create raster file '%s'", buf);

		if (output_format == OUT_TGA)
		{
			fz_pixmap *pix = fz_new_pixmap_with_data(ctx, fz_device_bgr(ctx), w, h, bmp_data);
			fz_write_tga(ctx, pix, buf, 0);
			fz_drop_pixmap(ctx, pix);
		}
		else
		{
			BITMAPFILEHEADER bmpfh = { 0 };
			static const int one = 1;
			if (!*(char *)&one)
				fz_throw(ctx, FZ_ERROR_GENERIC, "rendering to BMP is not supported on big-endian architectures");

			bmpfh.bfType = MAKEWORD('B', 'M');
			bmpfh.bfOffBits = sizeof(bmpfh) + sizeof(bmi);
			bmpfh.bfSize = bmpfh.bfOffBits + bmp_data_len;

			fwrite(&bmpfh, sizeof(bmpfh), 1, f);
			fwrite(&bmi, sizeof(bmi), 1, f);
			fwrite(bmp_data, 1, bmp_data_len, f);
		}

		fclose(f);
	}

	if (showmd5)
	{
		fz_pixmap *pix = fz_new_pixmap_with_data(ctx, fz_device_bgr(ctx), bmp_data_len / 4 / h, h, bmp_data);
		unsigned char digest[16];
		int i;

		fz_md5_pixmap(pix, digest);
		printf(" ");
		for (i = 0; i < 16; i++)
			printf("%02x", digest[i]);

		fz_drop_pixmap(ctx, pix);
	}

	fz_free(ctx, bmp_data);
}
Esempio n. 18
0
static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
{
	fz_page *page;
	fz_link *links;
	fz_display_list *list = NULL;
	fz_device *dev = NULL;
	int start;

	fz_var(list);
	fz_var(dev);

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

	fz_try(ctx)
	{
		page = fz_load_page(doc, pagenum - 1);
	}
	fz_catch(ctx)
	{
		fz_throw(ctx, "cannot load page %d in file '%s'", pagenum, filename);
	}

	fz_try(ctx)
	{
		links = fz_load_links(doc, page);
	}
	fz_catch(ctx)
	{
		fz_throw(ctx, "cannot load links for page %d in file '%s'", pagenum, filename);
	}

	if (uselist)
	{
		fz_try(ctx)
		{
			list = fz_new_display_list(ctx);
			dev = fz_new_list_device(ctx, list);
			fz_run_page(doc, page, dev, fz_identity, NULL);
		}
		fz_catch(ctx)
		{
			fz_free_device(dev);
			fz_free_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_throw(ctx, "cannot draw page %d in file '%s'", pagenum, filename);
		}
		fz_free_device(dev);
		dev = NULL;
	}

	if (showjson)
	{
		fz_text_page *text = NULL;
		fz_var(text);
		fz_try(ctx)
		{
			text = fz_new_text_page(ctx, fz_bound_page(doc, page));
			dev = fz_new_text_device(ctx, sheet, text);
			if (list)
				fz_run_display_list(list, dev, fz_identity, fz_infinite_bbox, NULL);
			else
				fz_run_page(doc, page, dev, fz_identity, NULL);
			fz_free_device(dev);
			dev = NULL;
			fz_print_text_page_json(ctx, stdout, text, links);
			printf("\f\n");
		}
		fz_catch(ctx)
		{
			fz_free_device(dev);
			fz_free_text_page(ctx, text);
			fz_free_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
		fz_free_text_page(ctx, text);
	}



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

	if (output || showmd5 || showtime)
	{
		float zoom;
		fz_matrix ctm;
		fz_rect bounds, bounds2;
		fz_bbox bbox;
		fz_pixmap *pix = NULL;
		int w, h;

		fz_var(pix);

		bounds = fz_bound_page(doc, page);
		zoom = resolution / 72;
		ctm = fz_scale(zoom, zoom);
		ctm = fz_concat(ctm, fz_rotate(rotation));
		bounds2 = fz_transform_rect(ctm, bounds);
		bbox = fz_round_rect(bounds2);
		/* Make local copies of our width/height */
		w = width;
		h = height;
		/* If a resolution is specified, check to see whether w/h are
		 * exceeded; if not, unset them. */
		if (res_specified)
		{
			int t;
			t = bbox.x1 - bbox.x0;
			if (w && t <= w)
				w = 0;
			t = bbox.y1 - bbox.y0;
			if (h && t <= h)
				h = 0;
		}
		/* Now w or h will be 0 unless then need to be enforced. */
		if (w || h)
		{
			float scalex = w/(bounds2.x1-bounds2.x0);
			float scaley = h/(bounds2.y1-bounds2.y0);

			if (fit)
			{
				if (w == 0)
					scalex = 1.0f;
				if (h == 0)
					scaley = 1.0f;
			}
			else
			{
				if (w == 0)
					scalex = scaley;
				if (h == 0)
					scaley = scalex;
			}
			if (!fit)
			{
				if (scalex > scaley)
					scalex = scaley;
				else
					scaley = scalex;
			}
			ctm = fz_concat(ctm, fz_scale(scalex, scaley));
			bounds2 = fz_transform_rect(ctm, bounds);
		}
		bbox = fz_round_rect(bounds2);

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

		fz_try(ctx)
		{
			pix = fz_new_pixmap_with_bbox(ctx, colorspace, bbox);

			if (savealpha)
				fz_clear_pixmap(ctx, pix);
			else
				fz_clear_pixmap_with_value(ctx, pix, 255);

			dev = fz_new_draw_device(ctx, pix);
			if (list)
				fz_run_display_list(list, dev, ctm, bbox, NULL);
			else
				fz_run_page(doc, page, dev, ctm, NULL);
			fz_free_device(dev);
			dev = NULL;

			if (invert)
				fz_invert_pixmap(ctx, pix);
			if (gamma_value != 1)
				fz_gamma_pixmap(ctx, pix, gamma_value);

			if (savealpha)
				fz_unmultiply_pixmap(ctx, pix);

			if (output)
			{
				char buf[512];
				sprintf(buf, output, pagenum);
				if (strstr(output, ".pgm") || strstr(output, ".ppm") || strstr(output, ".pnm"))
					fz_write_pnm(ctx, pix, buf);
				else if (strstr(output, ".pam"))
					fz_write_pam(ctx, pix, buf, savealpha);
				else if (strstr(output, ".png"))
					fz_write_png(ctx, pix, buf, savealpha);
				else if (strstr(output, ".pbm")) {
					fz_bitmap *bit = fz_halftone_pixmap(ctx, pix, NULL);
					fz_write_pbm(ctx, bit, buf);
					fz_drop_bitmap(ctx, bit);
				}
			}

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

				fz_md5_pixmap(pix, digest);
				printf(" ");
				for (i = 0; i < 16; i++)
					printf("%02x", digest[i]);
			}

			fz_drop_pixmap(ctx, pix);
		}
		fz_catch(ctx)
		{
			fz_free_device(dev);
			fz_drop_pixmap(ctx, pix);
			fz_free_display_list(ctx, list);
			fz_free_page(doc, page);
			fz_rethrow(ctx);
		}
	}
Esempio n. 19
0
JNIEXPORT jboolean JNICALL
Java_com_artifex_mupdf_MuPDFCore_drawPage(JNIEnv *env, jobject thiz, jobject bitmap,
		int pageW, int pageH, int patchX, int patchY, int patchW, int patchH)
{
	AndroidBitmapInfo info;
	void *pixels;
	int ret;
	fz_device *dev = NULL;
	float zoom;
	fz_matrix ctm;
	fz_bbox bbox;
	fz_pixmap *pix = NULL;
	float xscale, yscale;
	fz_bbox rect;

	fz_var(pix);
	fz_var(dev);

	LOGI("In native method\n");
	if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) {
		LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret);
		return 0;
	}

	LOGI("Checking format\n");
	if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
		LOGE("Bitmap format is not RGBA_8888 !");
		return 0;
	}

	LOGI("locking pixels\n");
	if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) {
		LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
		return 0;
	}

	/* Call mupdf to render display list to screen */
	LOGE("Rendering page=%dx%d patch=[%d,%d,%d,%d]",
			pageW, pageH, patchX, patchY, patchW, patchH);

	fz_try(ctx)
	{
		rect.x0 = patchX;
		rect.y0 = patchY;
		rect.x1 = patchX + patchW;
		rect.y1 = patchY + patchH;
		pix = fz_new_pixmap_with_rect_and_data(ctx, colorspace, rect, pixels);
		if (currentPageList == NULL)
		{
			fz_clear_pixmap_with_value(pix, 0xd0);
			break;
		}
		fz_clear_pixmap_with_value(pix, 0xff);

		zoom = resolution / 72;
		ctm = fz_scale(zoom, zoom);
		bbox = fz_round_rect(fz_transform_rect(ctm,currentMediabox));
		/* Now, adjust ctm so that it would give the correct page width
		 * heights. */
		xscale = (float)pageW/(float)(bbox.x1-bbox.x0);
		yscale = (float)pageH/(float)(bbox.y1-bbox.y0);
		ctm = fz_concat(ctm, fz_scale(xscale, yscale));
		bbox = fz_round_rect(fz_transform_rect(ctm,currentMediabox));
		dev = fz_new_draw_device(ctx, pix);
#ifdef TIME_DISPLAY_LIST
		{
			clock_t time;
			int i;

			LOGE("Executing display list");
			time = clock();
			for (i=0; i<100;i++) {
#endif
				fz_run_display_list(currentPageList, dev, ctm, bbox, NULL);
#ifdef TIME_DISPLAY_LIST
			}
			time = clock() - time;
			LOGE("100 renders in %d (%d per sec)", time, CLOCKS_PER_SEC);
		}
#endif
		fz_free_device(dev);
		dev = NULL;
		fz_drop_pixmap(ctx, pix);
		LOGE("Rendered");
	}
	fz_catch(ctx)
	{
		fz_free_device(dev);
		LOGE("Render failed");
	}

	AndroidBitmap_unlockPixels(env, bitmap);

	return 1;
}
Esempio n. 20
0
HRESULT MuPDFDoc::Renderer(Data *data, int part, int numParts)
{
	if (m_cts->abort == 1) return S_OK;

	int pagenumber = data->pagenumber;
	fz_context *ctx = data->ctx;
	fz_display_list *list = data->list;
	fz_display_list *annotList = data->annotList;
	fz_rect rect = data->rect;
	fz_pixmap *pix = data->pix;
	fz_device *dev = nullptr;
	int width = data->width;
	int height = data->height / numParts;


	// The context pointer is pointing to the main thread's
	// context, so here we create a new context based on it for
	// use in this thread.


	ctx = fz_clone_context(ctx);

	fz_try(ctx)
	{
		if (part == 1 && numParts == 2)
		{
			rect.y1 = rect.y1/2;
		}
		if (part == 2 && numParts == 2)
		{
			rect.y0 = rect.y1/2;
		}
		fz_matrix ctm = CalcConvertMatrix();
		fz_bbox bbox = fz_round_rect(fz_transform_rect(ctm, rect));
		/* Now, adjust ctm so that it would give the correct page width
		* heights. */
		float xscale = (float)width/(float)(bbox.x1-bbox.x0);
		float yscale = (float)height/(float)(bbox.y1-bbox.y0);
		ctm = fz_concat(ctm, fz_scale(xscale, yscale));
		bbox = fz_round_rect(fz_transform_rect(ctm, rect));

		dev = fz_new_draw_device(ctx, pix);
		if (list)
			fz_run_display_list(list, dev, ctm, bbox, *&m_cts);
		if (m_cts->abort == 1) break;
		if (annotList)
			fz_run_display_list(annotList, dev, ctm, bbox, *&m_cts);
	}
	fz_always(ctx)
	{
		if (dev)
		{
			fz_free_device(dev);
			dev = nullptr;
		}

		if (pix)
		{
			fz_drop_pixmap(m_context, pix);
		}
	}
	fz_catch(ctx)
	{
		return E_FAIL;
	}

	fz_free_context(ctx);

	return S_OK;
}