74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
/**
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* @author Edouard DUPIN
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*
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* @copyright 2011, Edouard DUPIN, all right reserved
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*
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* @license BSD v3 (see license file)
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*/
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#ifndef __EWOL_TEXTURE_H__
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#define __EWOL_TEXTURE_H__
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#include <etk/types.h>
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#include <ewol/debug.h>
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#include <egami/Image.h>
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#include <ewol/openGL/openGL.h>
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#include <ewol/resource/Resource.h>
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namespace ewol {
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namespace resource {
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class Texture : public ewol::Resource {
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protected:
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// openGl Context propoerties :
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egami::Image m_data;
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// openGl textureID :
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GLuint m_texId;
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// 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
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vec2 m_endPointSize;
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// internal state of the openGl system :
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bool m_loaded;
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// Ewol internal API:
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public:
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void updateContext();
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void removeContext();
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void removeContextToLate();
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// middleware interface:
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public:
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GLuint getId() const {
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return m_texId;
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};
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const vec2& getUsableSize() const {
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return m_endPointSize;
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};
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const ivec2& getOpenGlSize() const {
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return m_data.getSize();
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};
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// Public API:
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protected:
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Texture(const std::string& _filename);
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Texture();
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public:
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virtual ~Texture();
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public:
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// you must set the size here, because it will be set in multiple of pow(2)
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void setImageSize(ivec2 newSize);
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// get the reference on this image to draw nomething on it ...
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inline egami::Image& get() {
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return m_data;
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};
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// flush the data to send it at the openGl system
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void flush();
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public:
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/**
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* @brief keep the resource pointer.
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* @note Never free this pointer by your own...
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* @return pointer on the resource or nullptr if an error occured.
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*/
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static ewol::object::Shared<ewol::resource::Texture> keep();
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};
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};
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};
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#endif
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