138 lines
4.7 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2011, Edouard DUPIN, all right reserved
*
* @license BSD v3 (see license file)
*/
#ifndef __EWOL_COMPOSITING_IMAGE_H__
#define __EWOL_COMPOSITING_IMAGE_H__
#include <ewol/debug.h>
#include <ewol/compositing/Compositing.h>
#include <ewol/renderer/ResourceManager.h>
namespace ewol
{
class Image : public ewol::Compositing
{
private:
vec3 m_position; //!< The current position to draw
vec3 m_clippingPosStart; //!< Clipping start position
vec3 m_clippingPosStop; //!< Clipping stop position
bool m_clippingEnable; //!< true if the clipping must be activated
private:
draw::Color m_color; //!< The text foreground color
vec3 m_axes; //!< Rotation axes (instant)
float m_angle; //!< Angle to set at the axes
private:
ewol::Program* m_GLprogram; //!< pointer on the opengl display program
int32_t m_GLPosition; //!< openGL id on the element (vertex buffer)
int32_t m_GLMatrix; //!< openGL id on the element (transformation matrix)
int32_t m_GLColor; //!< openGL id on the element (color buffer)
int32_t m_GLtexture; //!< openGL id on the element (Texture position)
int32_t m_GLtexID; //!< openGL id on the element (texture ID)
private:
ewol::TextureFile* m_resource; //!< texture resources
etk::Vector<vec3 > m_coord; //!< internal coord of the object
etk::Vector<vec2 > m_coordTex; //!< internal texture coordinate for every point
etk::Vector<draw::Colorf> m_coordColor; //!< internal color of the different point
private:
/**
* @brief Load the openGL program and get all the ID needed
*/
void LoadProgram(void);
public:
/**
* @brief generic constructor
* @param[in] imageName Name of the file that might be loaded
*/
Image(etk::UString imageName="");
/**
* @brief generic destructor
*/
~Image(void);
public:
/**
* @brief Draw All the refistered text in the current element on openGL
*/
void Draw(void);
/**
* @brief Clear alll tre registered element in the current element
*/
void Clear(void);
/**
* @brief Get the current display position (sometime needed in the gui control)
* @return the current position.
*/
vec3 GetPos(void);
/**
* @brief Set position for the next text writen
* @param[in] pos Position of the text (in 3D)
*/
void SetPos(vec3 pos);
/**
* @brief Set relative position for the next text writen
* @param[in] pos ofset apply of the text (in 3D)
*/
void SetRelPos(vec3 pos);
/**
* @brief Set the Color of the current foreground font
* @param[in] color Color to set on foreground (for next print)
*/
void SetColor(draw::Color color);
/**
* @brief Request a clipping area for the text (next draw only)
* @param[in] pos Start position of the clipping
* @param[in] width Width size of the clipping
*/
void SetClippingWidth(vec3 pos, vec3 width);
/**
* @brief Request a clipping area for the text (next draw only)
* @param[in] pos Start position of the clipping
* @param[in] posEnd End position of the clipping
*/
void SetClipping(vec3 pos, vec3 posEnd);
/**
* @brief Enable/Disable the clipping (without lose the current clipping position)
* @brief newMode The new status of the clipping
*/
void SetClippingMode(bool newMode);
/**
* @brief Set a unique rotation of this element (not set in the Rotate Generic system)
* @param[in] axes Rotation axes selection
* @param[in] angle Angle to set on this axes
*/
void SetAngle(vec3 axes, float angle);
/**
* @brief Add a compleate of the image to display with the requested size
* @param[in] size Size of the output image
*/
void Print(ivec2 size);
/**
* @brief Add a part of the image to display with the requested size
* @param[in] size Size of the output image
* @param[in] sourcePosStart Start position in the image [0..1] (can be bigger but this repeate the image).
* @param[in] sourcePosStop Stop position in the image [0..1] (can be bigger but this repeate the image).
*/
void PrintPart(ivec2 size,
vec2 sourcePosStart,
vec2 sourcePosStop);
/**
* @brief Change the image Source ==> can not be done to display 2 images at the same time ...
* @param[in] newFile New file of the Image
* @param[in] size for the image when Verctorial image loading is requested
*/
void SetSource(etk::UString newFile, int32_t size=32);
/**
* @brief Sometimes the user declare an image but not allocate the ressources all the time, this is to know it ..
* @return the validity od the resources.
*/
bool HasSources(void);
};
};
#endif