ui/ui/image.h

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2017 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef UI_IMAGE_H
#define UI_IMAGE_H

#include "toolkit.h"

#ifdef __cplusplus
extern "C" {
#endif

#define UI_IMAGE_OBJECT_TYPE "image"
    
#ifdef UI_GTK
#define UIIMAGE GdkPixbuf*
#else
#define UIIMAGE void*
#endif
    
    
typedef struct UiImageViewerArgs {
    UiBool fill;
    UiBool hexpand;
    UiBool vexpand;
    UiBool hfill;
    UiBool vfill;
    UiBool override_defaults;
    int margin;
    int margin_left;
    int margin_right;
    int margin_top;
    int margin_bottom;
    int colspan;
    int rowspan;
    const char *name;
    const char *style_class;

    UiBool scrollarea;
    UiBool autoscale;
    UiBool adjustwidgetsize;
    UiBool useradjustable;
    int image_padding;
    int image_padding_left;
    int image_padding_right;
    int image_padding_top;
    int image_padding_bottom;
    UiGeneric *value;
    const char *varname;
    UiMenuBuilder *contextmenu;
    
    ui_callback onbuttonpress;
    void *onbuttonpressdata;
    ui_callback onbuttonrelease;
    void *onbuttonreleasedata;
} UiImageViewerArgs;
    
#define ui_imageviewer(obj, ...) ui_imageviewer_create(obj, &(UiImageViewerArgs){ __VA_ARGS__ } )
    
UIEXPORT UIWIDGET ui_imageviewer_create(UiObject *obj, UiImageViewerArgs *args);

UIEXPORT UIWIDGET ui_imageviewer_reset(UIWIDGET w);
UIEXPORT UIWIDGET ui_imageviewer_set_autoscale(UIWIDGET w, UiBool set);
UIEXPORT UIWIDGET ui_imageviewer_set_adjustwidgetsize(UIWIDGET w, UiBool set);
UIEXPORT UIWIDGET ui_imageviewer_set_useradjustable(UIWIDGET w, UiBool set);

UIEXPORT int ui_image_load_file(UiGeneric *obj, const char *path);
UIEXPORT int ui_image_load_data(UiGeneric *obj, const void *imgdata, size_t size);

UIEXPORT void ui_image_ref(UIIMAGE img);
UIEXPORT void ui_image_unref(UIIMAGE img);

#ifdef __cplusplus
}
#endif

#endif /* UI_IMAGE_H */