Texture.hpp

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#pragma once

#include <etk/types.hpp>
#include <ewol/debug.hpp>
#include <egami/Image.hpp>
#include <gale/resource/Texture.hpp>

namespace ewol {
    namespace resource {
        class Texture : public gale::Resource {
            protected:
                uint32_t m_texId; 
                // openGl Context propoerties :
                egami::Image m_data;
                // some image are not square  == > we need to sqared it to prevent some openGl api error the the displayable size is not all the time 0.0 -> 1.0
                vec2 m_endPointSize;
                // internal state of the openGl system :
                bool m_loaded;
            // Public API:
            protected:
                void init(const std::string& _filename);
                void init();
                Texture();
            public:
                DECLARE_RESOURCE_FACTORY(Texture);
                virtual ~Texture();
            public:
                // you must set the size here, because it will be set in multiple of pow(2)
                void setImageSize(ivec2 newSize);
                // get the reference on this image to draw nomething on it ...
                inline egami::Image& get() {
                    return m_data;
                };
                // flush the data to send it at the openGl system
                void flush();
                bool updateContext();
                void removeContext();
                void removeContextToLate();
                const ivec2& getOpenGlSize() const {
                    return m_data.getSize();
                };
                uint32_t getRendererId() const {
                    return m_texId;
                };
        };
    }
}