fiv/fastiv-io.h

62 lines
2.1 KiB
C

//
// fastiv-io.h: image loaders
//
// Copyright (c) 2021, Přemysl Eric Janouch <p@janouch.name>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
#pragma once
#include <cairo.h>
#include <glib.h>
#include <gio/gio.h>
extern const char *fastiv_io_supported_media_types[];
char **fastiv_io_all_supported_media_types(void);
// And this is how you avoid glib-mkenums.
typedef enum _FastivIoThumbnailSize {
#define FASTIV_IO_THUMBNAIL_SIZES(XX) \
XX(SMALL, 128, "normal") \
XX(NORMAL, 256, "large") \
XX(LARGE, 512, "x-large") \
XX(HUGE, 1024, "xx-large")
#define XX(name, value, dir) FASTIV_IO_THUMBNAIL_SIZE_ ## name,
FASTIV_IO_THUMBNAIL_SIZES(XX)
#undef XX
FASTIV_IO_THUMBNAIL_SIZE_COUNT,
FASTIV_IO_THUMBNAIL_SIZE_MIN = 0,
FASTIV_IO_THUMBNAIL_SIZE_MAX = FASTIV_IO_THUMBNAIL_SIZE_COUNT - 1
} FastivIoThumbnailSize;
GType fastiv_io_thumbnail_size_get_type(void) G_GNUC_CONST;
#define FASTIV_TYPE_IO_THUMBNAIL_SIZE (fastiv_io_thumbnail_size_get_type())
typedef struct _FastivIoThumbnailSizeInfo {
int size; ///< Nominal size in pixels
const char *thumbnail_spec_name; ///< thumbnail-spec directory name
} FastivIoThumbnailSizeInfo;
extern FastivIoThumbnailSizeInfo
fastiv_io_thumbnail_sizes[FASTIV_IO_THUMBNAIL_SIZE_COUNT];
cairo_surface_t *fastiv_io_open(const gchar *path, GError **error);
cairo_surface_t *fastiv_io_open_from_data(
const char *data, size_t len, const gchar *path, GError **error);
cairo_surface_t *fastiv_io_lookup_thumbnail(
const gchar *target, FastivIoThumbnailSize size);
int fastiv_io_filecmp(GFile *f1, GFile *f2);