image_source.h Source File - ClanLib SDK
Description: image_source.h Source File

image_source.h
1/*
2** ClanLib SDK
3** Copyright (c) 1997-2020 The ClanLib Team
4**
5** This software is provided 'as-is', without any express or implied
6** warranty. In no event will the authors be held liable for any damages
7** arising from the use of this software.
8**
9** Permission is granted to anyone to use this software for any purpose,
10** including commercial applications, and to alter it and redistribute it
11** freely, subject to the following restrictions:
12**
13** 1. The origin of this software must not be misrepresented; you must not
14** claim that you wrote the original software. If you use this software
15** in a product, an acknowledgment in the product documentation would be
16** appreciated but is not required.
17** 2. Altered source versions must be plainly marked as such, and must not be
18** misrepresented as being the original software.
19** 3. This notice may not be removed or altered from any source distribution.
20**
21** Note: Some of the libraries ClanLib may link to may have additional
22** requirements or restrictions.
23**
24** File Author(s):
25**
26** Magnus Norddahl
27*/
28
29#pragma once
30
31#include <memory>
32#include <functional>
33
34namespace clan
35{
36 class Canvas;
37 class Image;
38
39 class ImageSource
40 {
41 public:
42 virtual Image image(Canvas &canvas) = 0;
43 static std::shared_ptr<ImageSource> from_resource(const std::string &resource_name);
44 static std::shared_ptr<ImageSource> from_callback(const std::function<Image(Canvas &)> &get_image_callback);
45 static std::shared_ptr<ImageSource> from_image(const Image &image);
46
47 protected:
48 virtual ~ImageSource() { }
49 };
50}
clan::Canvas
2D Graphics Canvas
Definition canvas.h:72
clan::ImageSource
Definition image_source.h:40
clan::ImageSource::image
virtual Image image(Canvas &canvas)=0
clan::ImageSource::from_callback
static std::shared_ptr< ImageSource > from_callback(const std::function< Image(Canvas &)> &get_image_callback)
clan::ImageSource::from_resource
static std::shared_ptr< ImageSource > from_resource(const std::string &resource_name)
clan::ImageSource::from_image
static std::shared_ptr< ImageSource > from_image(const Image &image)
clan::ImageSource::~ImageSource
virtual ~ImageSource()
Definition image_source.h:48
clan::Image
Image class.
Definition image.h:59
clan
Definition clanapp.h:36