diff mupdf-source/source/pdf/pdf-util.c @ 2:b50eed0cc0ef upstream

ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/source/pdf/pdf-util.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,232 @@
+// Copyright (C) 2004-2021 Artifex Software, Inc.
+//
+// This file is part of MuPDF.
+//
+// MuPDF is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Affero General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+// details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
+//
+// Alternative licensing terms are available from the licensor.
+// For commercial licensing, see <https://www.artifex.com/> or contact
+// Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
+// CA 94129, USA, for further information.
+
+#include "mupdf/fitz.h"
+#include "mupdf/pdf.h"
+
+fz_display_list *
+pdf_new_display_list_from_annot(fz_context *ctx, pdf_annot *annot)
+{
+	fz_display_list *list;
+	fz_device *dev = NULL;
+
+	fz_var(dev);
+
+	list = fz_new_display_list(ctx, pdf_bound_annot(ctx, annot));
+
+	fz_try(ctx)
+	{
+		dev = fz_new_list_device(ctx, list);
+		pdf_run_annot(ctx, annot, dev, fz_identity, NULL);
+		fz_close_device(ctx, dev);
+	}
+	fz_always(ctx)
+	{
+		fz_drop_device(ctx, dev);
+	}
+	fz_catch(ctx)
+	{
+		fz_drop_display_list(ctx, list);
+		fz_rethrow(ctx);
+	}
+
+	return list;
+}
+
+fz_pixmap *
+pdf_new_pixmap_from_annot(fz_context *ctx, pdf_annot *annot, fz_matrix ctm, fz_colorspace *cs, fz_separations *seps, int alpha)
+{
+	fz_rect rect;
+	fz_irect bbox;
+	fz_pixmap *pix;
+	fz_device *dev = NULL;
+
+	fz_var(dev);
+
+	rect = pdf_bound_annot(ctx, annot);
+	rect = fz_transform_rect(rect, ctm);
+	bbox = fz_round_rect(rect);
+
+	pix = fz_new_pixmap_with_bbox(ctx, cs, bbox, seps, alpha);
+	if (alpha)
+		fz_clear_pixmap(ctx, pix);
+	else
+		fz_clear_pixmap_with_value(ctx, pix, 0xFF);
+
+	fz_try(ctx)
+	{
+		dev = fz_new_draw_device(ctx, ctm, pix);
+		pdf_run_annot(ctx, annot, dev, fz_identity, NULL);
+		fz_close_device(ctx, dev);
+	}
+	fz_always(ctx)
+	{
+		fz_drop_device(ctx, dev);
+	}
+	fz_catch(ctx)
+	{
+		fz_drop_pixmap(ctx, pix);
+		fz_rethrow(ctx);
+	}
+
+	return pix;
+}
+
+fz_stext_page *
+pdf_new_stext_page_from_annot(fz_context *ctx, pdf_annot *annot, const fz_stext_options *options)
+{
+	fz_stext_page *text;
+	fz_device *dev = NULL;
+
+	fz_var(dev);
+
+	if (annot == NULL)
+		return NULL;
+
+	text = fz_new_stext_page(ctx, pdf_bound_annot(ctx, annot));
+	fz_try(ctx)
+	{
+		dev = fz_new_stext_device(ctx, text, options);
+		pdf_run_annot(ctx, annot, dev, fz_identity, 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;
+}
+
+fz_pixmap *
+pdf_new_pixmap_from_page_contents_with_separations_and_usage(fz_context *ctx, pdf_page *page, fz_matrix ctm, fz_colorspace *cs, fz_separations *seps, int alpha, const char *usage, fz_box_type box)
+{
+	fz_rect rect;
+	fz_irect bbox;
+	fz_pixmap *pix;
+	fz_device *dev = NULL;
+
+	fz_var(dev);
+
+	rect = pdf_bound_page(ctx, page, box);
+	rect = fz_transform_rect(rect, ctm);
+	bbox = fz_round_rect(rect);
+
+	pix = fz_new_pixmap_with_bbox(ctx, cs, bbox, seps, alpha);
+	if (alpha)
+		fz_clear_pixmap(ctx, pix);
+	else
+		fz_clear_pixmap_with_value(ctx, pix, 0xFF);
+
+	fz_try(ctx)
+	{
+		dev = fz_new_draw_device(ctx, ctm, pix);
+		fz_try(ctx)
+		{
+			pdf_run_page_contents_with_usage(ctx, page, dev, fz_identity, usage, NULL);
+		}
+		fz_catch(ctx)
+		{
+			dev->close_device = NULL; /* aborted run, don't warn about unclosed device */
+			fz_rethrow_unless(ctx, FZ_ERROR_ABORT);
+			fz_ignore_error(ctx);
+		}
+		fz_close_device(ctx, dev);
+	}
+	fz_always(ctx)
+	{
+		fz_drop_device(ctx, dev);
+	}
+	fz_catch(ctx)
+	{
+		fz_drop_pixmap(ctx, pix);
+		fz_rethrow(ctx);
+	}
+
+	return pix;
+}
+
+fz_pixmap *
+pdf_new_pixmap_from_page_contents_with_usage(fz_context *ctx, pdf_page *page, fz_matrix ctm, fz_colorspace *cs, int alpha, const char *usage, fz_box_type box)
+{
+	return pdf_new_pixmap_from_page_contents_with_separations_and_usage(ctx, page, ctm, cs, NULL, alpha, usage, box);
+}
+
+fz_pixmap *
+pdf_new_pixmap_from_page_with_separations_and_usage(fz_context *ctx, pdf_page *page, fz_matrix ctm, fz_colorspace *cs, fz_separations *seps, int alpha, const char *usage, fz_box_type box)
+{
+	fz_rect rect;
+	fz_irect bbox;
+	fz_pixmap *pix;
+	fz_device *dev = NULL;
+
+	fz_var(dev);
+
+	rect = pdf_bound_page(ctx, page, box);
+	rect = fz_transform_rect(rect, ctm);
+	bbox = fz_round_rect(rect);
+
+	pix = fz_new_pixmap_with_bbox(ctx, cs, bbox, seps, alpha);
+
+	fz_try(ctx)
+	{
+		if (alpha)
+			fz_clear_pixmap(ctx, pix);
+		else
+			fz_clear_pixmap_with_value(ctx, pix, 0xFF);
+
+		dev = fz_new_draw_device(ctx, ctm, pix);
+		fz_try(ctx)
+		{
+			pdf_run_page_with_usage(ctx, page, dev, fz_identity, usage, NULL);
+		}
+		fz_catch(ctx)
+		{
+			dev->close_device = NULL; /* aborted run, don't warn about unclosed device */
+			fz_rethrow_unless(ctx, FZ_ERROR_ABORT);
+			fz_ignore_error(ctx);
+		}
+		fz_close_device(ctx, dev);
+	}
+	fz_always(ctx)
+	{
+		fz_drop_device(ctx, dev);
+	}
+	fz_catch(ctx)
+	{
+		fz_drop_pixmap(ctx, pix);
+		fz_rethrow(ctx);
+	}
+
+	return pix;
+}
+
+fz_pixmap *
+pdf_new_pixmap_from_page_with_usage(fz_context *ctx, pdf_page *page, fz_matrix ctm, fz_colorspace *cs, int alpha, const char *usage, fz_box_type box)
+{
+	return pdf_new_pixmap_from_page_with_separations_and_usage(ctx, page, ctm, cs, NULL, alpha, usage, box);
+}