133 lines
3.4 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2011, Edouard DUPIN, all right reserved
*
* @license BSD v3 (see license file)
*/
#include <ewol/debug.h>
#include <ewol/compositing/Area.h>
#undef __class__
#define __class__ "ewol::Area"
ewol::Area::Area(const ivec2& _size) :
m_position(0.0, 0.0, 0.0),
m_color(etk::color::white),
m_GLprogram(NULL),
m_GLPosition(-1),
m_GLMatrix(-1),
m_GLColor(-1),
m_GLtexture(-1),
m_GLtexID(-1),
m_resource(NULL) {
m_resource = ewol::Texture::keep();
m_resource->setImageSize(_size);
m_resource->flush();
loadProgram();
}
ewol::Area::~Area(void) {
ewol::Texture::release(m_resource);
ewol::Program::release(m_GLprogram);
}
void ewol::Area::loadProgram(void) {
// get the shader resource :
m_GLPosition = 0;
m_GLprogram = ewol::Program::keep("DATA:textured3D.prog");
if (NULL != m_GLprogram) {
m_GLPosition = m_GLprogram->getAttribute("EW_coord3d");
m_GLColor = m_GLprogram->getAttribute("EW_color");
m_GLtexture = m_GLprogram->getAttribute("EW_texture2d");
m_GLMatrix = m_GLprogram->getUniform("EW_MatrixTransformation");
m_GLtexID = m_GLprogram->getUniform("EW_texID");
}
}
void ewol::Area::draw(bool _disableDepthTest) {
if (m_coord.size() <= 0) {
//EWOL_WARNING("Nothink to draw...");
return;
}
if (m_resource == NULL) {
// this is a normale case ... the user can choice to have no image ...
return;
}
if (m_GLprogram == NULL) {
EWOL_ERROR("No shader ...");
return;
}
// set Matrix : translation/positionMatrix
mat4 tmpMatrix = ewol::openGL::getMatrix()*m_matrixApply;
m_GLprogram->use();
m_GLprogram->uniformMatrix4fv(m_GLMatrix, 1, tmpMatrix.m_mat);
// TextureID
m_GLprogram->setTexture0(m_GLtexID, m_resource->getId());
// position :
m_GLprogram->sendAttribute(m_GLPosition, 3/*x,y,z,unused*/, &m_coord[0], 4*sizeof(btScalar));
// Texture :
m_GLprogram->sendAttribute(m_GLtexture, 2/*u,v*/, &m_coordTex[0]);
// color :
m_GLprogram->sendAttribute(m_GLColor, 4/*r,g,b,a*/, &m_coordColor[0]);
// Request the draw od the elements :
ewol::openGL::drawArrays(GL_TRIANGLES, 0, m_coord.size());
m_GLprogram->unUse();
}
void ewol::Area::clear(void) {
// call upper class
ewol::Compositing::clear();
// reset Buffer :
m_coord.clear();
m_coordTex.clear();
m_coordColor.clear();
// reset temporal variables :
m_position = vec3(0.0, 0.0, 0.0);
}
void ewol::Area::print(const ivec2& _size) {
vec3 point(0,0,0);
vec2 tex(0,1);
point.setX(m_position.x());
point.setY(m_position.y());
m_coord.push_back(point);
m_coordTex.push_back(tex);
m_coordColor.push_back(m_color);
tex.setValue(1,1);
point.setX(m_position.x() + _size.x());
point.setY(m_position.y());
m_coord.push_back(point);
m_coordTex.push_back(tex);
m_coordColor.push_back(m_color);
tex.setValue(1,0);
point.setX(m_position.x() + _size.x());
point.setY(m_position.y() + _size.y());
m_coord.push_back(point);
m_coordTex.push_back(tex);
m_coordColor.push_back(m_color);
m_coord.push_back(point);
m_coordTex.push_back(tex);
m_coordColor.push_back(m_color);
tex.setValue(0,0);
point.setX(m_position.x());
point.setY(m_position.y() + _size.y());
m_coord.push_back(point);
m_coordTex.push_back(tex);
m_coordColor.push_back(m_color);
tex.setValue(0,1);
point.setX(m_position.x());
point.setY(m_position.y());
m_coord.push_back(point);
m_coordTex.push_back(tex);
m_coordColor.push_back(m_color);
}