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0ad/source/gui/GUIRenderer.h

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/* Copyright (C) 2022 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_GUIRENDERER
#define INCLUDED_GUIRENDERER
#include "graphics/Color.h"
#include "graphics/ShaderTechniquePtr.h"
#include "graphics/Texture.h"
#include "maths/Rect.h"
#include "ps/CStrForward.h"
#include "ps/CStrIntern.h"
#include <map>
#include <vector>
class CCanvas2D;
class CGUI;
class CGUISprite;
struct CGUIColor;
struct SGUIImage;
namespace GUIRenderer
{
struct SDrawCall
{
SDrawCall(const SGUIImage* image) : m_Image(image) {}
CRect ComputeTexCoords() const;
const SGUIImage* m_Image;
CTexturePtr m_Texture;
CRect m_ObjectSize;
CRect m_Vertices;
CGUIColor* m_BackColor;
CColor m_ColorAdd;
CColor m_ColorMultiply;
float m_GrayscaleFactor;
};
class DrawCalls : public std::vector<SDrawCall>
{
public:
DrawCalls();
// Copy/assignment results in an empty list, not an actual copy
DrawCalls(const DrawCalls&);
DrawCalls& operator=(const DrawCalls&);
};
void UpdateDrawCallCache(const CGUI& pGUI, DrawCalls& Calls, const CStr8& SpriteName, const CRect& Size, std::map<CStr8, std::unique_ptr<const CGUISprite>>& Sprites);
void Draw(DrawCalls& Calls, CCanvas2D& canvas);
}
#endif // INCLUDED_GUIRENDERER