TGUI  1.0-alpha
BackendRenderer.hpp
1
2//
3// TGUI - Texus' Graphical User Interface
4// Copyright (C) 2012-2022 Bruno Van de Velde (vdv_b@tgui.eu)
5//
6// This software is provided 'as-is', without any express or implied warranty.
7// In no event will the authors be held liable for any damages 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 freely,
11// subject to the following restrictions:
12//
13// 1. The origin of this software must not be misrepresented;
14// you must not claim that you wrote the original software.
15// If you use this software in a product, an acknowledgment
16// in the product documentation would be appreciated but is not required.
17//
18// 2. Altered source versions must be plainly marked as such,
19// and must not be misrepresented as being the original software.
20//
21// 3. This notice may not be removed or altered from any source distribution.
22//
24
25
26#ifndef TGUI_BACKEND_RENDERER_HPP
27#define TGUI_BACKEND_RENDERER_HPP
28
29#include <TGUI/Backend/Renderer/BackendText.hpp>
30#include <TGUI/Backend/Renderer/BackendTexture.hpp>
31#include <TGUI/Backend/Window/Backend.hpp>
32#include <memory>
33
35
36namespace tgui
37{
41 class TGUI_API BackendRenderer
42 {
43 public:
44
48 virtual ~BackendRenderer() = default;
49
50
55 virtual std::shared_ptr<BackendText> createText()
56 {
57 return std::make_shared<BackendText>();
58 }
59
60
65 virtual std::shared_ptr<BackendTexture> createTexture() = 0;
66
67
75 virtual unsigned int getMaximumTextureSize() = 0;
76 };
77}
78
80
81#endif // TGUI_BACKEND_RENDERER_HPP
Base class for the backend renderer, which is responsible for creating text and texture objects.
Definition: BackendRenderer.hpp:42
virtual ~BackendRenderer()=default
Virtual destructor.
virtual std::shared_ptr< BackendTexture > createTexture()=0
Creates a new empty texture object.
virtual std::shared_ptr< BackendText > createText()
Creates a new empty text object.
Definition: BackendRenderer.hpp:55
virtual unsigned int getMaximumTextureSize()=0
Get the maximum allowed texture size.
Namespace that contains all TGUI functions and classes.
Definition: AbsoluteOrRelativeValue.hpp:36