renderable2dtextcomponent.h

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
#pragma once
 
// Local Includes
#include "renderabletextcomponent.h"
 
// External Includes
#include <fontutils.h>
 
namespace nap
{
    // Forward Declares
    class Renderable2DTextComponentInstance;
    class RenderService;
 
    class NAPAPI Renderable2DTextComponent : public RenderableTextComponent
    {
        RTTI_ENABLE(RenderableTextComponent)
        DECLARE_COMPONENT(Renderable2DTextComponent, Renderable2DTextComponentInstance)
 
    public:
        utility::ETextOrientation mOrientation = utility::ETextOrientation::Left;   
        glm::ivec2 mLocation = { 0,0 };                                             
        EDepthMode mDepthMode = EDepthMode::NoReadWrite;                            
        bool mIgnoreTransform = true;                                               
        bool mDPIAware = true;                                                      
    };
 
 
    class NAPAPI Renderable2DTextComponentInstance : public RenderableTextComponentInstance
    {
        RTTI_ENABLE(RenderableTextComponentInstance)
    public:
        Renderable2DTextComponentInstance(EntityInstance& entity, Component& resource) :
            RenderableTextComponentInstance(entity, resource)                                   { }
 
        virtual bool init(utility::ErrorState& errorState) override;
 
        void draw(IRenderTarget& target);
 
        utility::ETextOrientation getOrientation() const                    { return mOrientation; }
 
        void setOrientation(utility::ETextOrientation orientation)          { mOrientation = orientation; }
 
        const glm::ivec2& getLocation() const                               { return mLocation; }
 
        void setLocation(const glm::ivec2& coordinates)                     { mLocation = coordinates; }
 
        glm::ivec2 getTextPosition(float scale);
 
        virtual RenderableGlyph* getRenderableGlyph(uint index, float scale, utility::ErrorState& error) const override;
 
        virtual bool isSupported(nap::CameraComponentInstance& camera) const override;
 
    protected:
        virtual void onDraw(IRenderTarget& renderTarget, VkCommandBuffer commandBuffer, const glm::mat4& viewMatrix, const glm::mat4& projectionMatrix) override;
 
    private:
        utility::ETextOrientation mOrientation = utility::ETextOrientation::Left;
 
        void computeTextModelMatrix(glm::mat4x4& outMatrix);
 
        glm::ivec2      mLocation = { 0,0 };        
        RenderService*  mService = nullptr;         
        bool            mIgnoreTransform = true;    
        bool            mDPIAware = true;           
    };
}