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asc-canvas.h
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/
asc-canvas.h
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2016-2024 Matthias Klumpp <matthias@tenstral.net>
*
* Licensed under the GNU Lesser General Public License Version 2.1
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2.1 of the license, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined(__APPSTREAM_COMPOSE_H) && !defined(ASC_COMPILATION)
#error "Only <appstream-compose.h> can be included directly."
#endif
#pragma once
#include <glib-object.h>
#include <gio/gio.h>
#include "asc-font.h"
G_BEGIN_DECLS
#define ASC_TYPE_CANVAS (asc_canvas_get_type ())
G_DECLARE_FINAL_TYPE (AscCanvas, asc_canvas, ASC, CANVAS, GObject)
/**
* AscCanvasError:
* @ASC_CANVAS_ERROR_FAILED: Generic failure.
* @ASC_CANVAS_ERROR_DRAWING: Drawing operation failed.
* @ASC_CANVAS_ERROR_FONT: Issue with font or font selection.
* @ASC_CANVAS_ERROR_UNSUPPORTED: The requested action was not supported.
*
* A drawing error.
**/
typedef enum {
ASC_CANVAS_ERROR_FAILED,
ASC_CANVAS_ERROR_DRAWING,
ASC_CANVAS_ERROR_FONT,
ASC_CANVAS_ERROR_UNSUPPORTED,
/*< private >*/
ASC_CANVAS_ERROR_LAST
} AscCanvasError;
#define ASC_CANVAS_ERROR asc_canvas_error_quark ()
GQuark asc_canvas_error_quark (void);
AscCanvas *asc_canvas_new (gint width, gint height);
guint asc_canvas_get_width (AscCanvas *canvas);
guint asc_canvas_get_height (AscCanvas *canvas);
gboolean asc_canvas_render_svg (AscCanvas *canvas, GInputStream *stream, GError **error);
gboolean asc_canvas_save_png (AscCanvas *canvas, const gchar *fname, GError **error);
G_END_DECLS