315 lines
8.8 KiB
C++
315 lines
8.8 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 APACHE v2.0 (see license file)
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*/
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#include <ewol/debug.h>
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#include <ewol/compositing/Image.h>
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#undef __class__
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#define __class__ "ewol::compositing::Image"
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ewol::compositing::Image::Image(const std::string& _imageName, bool _df) :
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m_filename(_imageName),
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m_requestSize(2,2),
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m_position(0.0, 0.0, 0.0),
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m_clippingPosStart(0.0, 0.0, 0.0),
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m_clippingPosStop(0.0, 0.0, 0.0),
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m_clippingEnable(false),
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m_color(etk::color::white),
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m_angle(0.0),
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m_GLprogram(nullptr),
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m_GLPosition(-1),
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m_GLMatrix(-1),
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m_GLColor(-1),
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m_GLtexture(-1),
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m_GLtexID(-1),
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m_distanceFieldMode(_df),
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m_resource(nullptr),
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m_resourceDF(nullptr) {
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setSource(_imageName);
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loadProgram();
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}
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ewol::compositing::Image::~Image() {
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}
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void ewol::compositing::Image::loadProgram() {
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// get the shader resource :
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m_GLPosition = 0;
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m_GLprogram.reset();
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if (m_distanceFieldMode == true) {
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m_GLprogram = gale::resource::Program::create("{ewol}DATA:texturedDF.prog");
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} else {
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m_GLprogram = gale::resource::Program::create("{ewol}DATA:textured3D.prog");
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}
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if (m_GLprogram != nullptr) {
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m_GLPosition = m_GLprogram->getAttribute("EW_coord3d");
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m_GLColor = m_GLprogram->getAttribute("EW_color");
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m_GLtexture = m_GLprogram->getAttribute("EW_texture2d");
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m_GLMatrix = m_GLprogram->getUniform("EW_MatrixTransformation");
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m_GLtexID = m_GLprogram->getUniform("EW_texID");
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}
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}
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void ewol::compositing::Image::draw(bool _disableDepthTest) {
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if (m_coord.size() <= 0) {
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//EWOL_WARNING("Nothink to draw...");
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return;
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}
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if ( m_resource == nullptr
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&& m_resourceDF == nullptr) {
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// this is a normale case ... the user can choice to have no image ...
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return;
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}
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if (m_GLprogram == nullptr) {
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EWOL_ERROR("No shader ...");
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return;
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}
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if (_disableDepthTest == true) {
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gale::openGL::disable(gale::openGL::flag_depthTest);
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} else {
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gale::openGL::enable(gale::openGL::flag_depthTest);
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}
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// set Matrix : translation/positionMatrix
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mat4 tmpMatrix = gale::openGL::getMatrix()*m_matrixApply;
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m_GLprogram->use();
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m_GLprogram->uniformMatrix(m_GLMatrix, tmpMatrix);
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// TextureID
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if (m_resource != nullptr) {
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if (m_distanceFieldMode == true) {
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EWOL_ERROR("FONT type error Request distance field and display normal ...");
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}
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m_GLprogram->setTexture0(m_GLtexID, m_resource->getRendererId());
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} else {
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if (m_distanceFieldMode == false) {
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EWOL_ERROR("FONT type error Request normal and display distance field ...");
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}
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m_GLprogram->setTexture0(m_GLtexID, m_resourceDF->getRendererId());
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}
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// position :
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m_GLprogram->sendAttribute(m_GLPosition, m_coord);
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// Texture :
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m_GLprogram->sendAttribute(m_GLtexture, m_coordTex);
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// color :
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m_GLprogram->sendAttribute(m_GLColor, m_coordColor);
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// Request the draw od the elements :
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gale::openGL::drawArrays(gale::openGL::render_triangle, 0, m_coord.size());
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m_GLprogram->unUse();
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}
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void ewol::compositing::Image::clear() {
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// call upper class
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ewol::Compositing::clear();
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// reset Buffer :
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m_coord.clear();
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m_coordTex.clear();
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m_coordColor.clear();
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// reset temporal variables :
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m_position = vec3(0.0, 0.0, 0.0);
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m_clippingPosStart = vec3(0.0, 0.0, 0.0);
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m_clippingPosStop = vec3(0.0, 0.0, 0.0);
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m_clippingEnable = false;
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m_color = etk::color::white;
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m_angle = 0.0;
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}
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void ewol::compositing::Image::setClipping(const vec3& _pos, vec3 _posEnd) {
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// note the internal system all time request to have a bounding all time in the same order
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if (_pos.x() <= _posEnd.x()) {
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m_clippingPosStart.setX(_pos.x());
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m_clippingPosStop.setX(_posEnd.x());
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} else {
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m_clippingPosStart.setX(_posEnd.x());
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m_clippingPosStop.setX(_pos.x());
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}
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if (_pos.y() <= _posEnd.y()) {
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m_clippingPosStart.setY(_pos.y());
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m_clippingPosStop.setY(_posEnd.y());
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} else {
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m_clippingPosStart.setY(_posEnd.y());
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m_clippingPosStop.setY(_pos.y());
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}
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if (_pos.z() <= _posEnd.z()) {
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m_clippingPosStart.setZ(_pos.z());
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m_clippingPosStop.setZ(_posEnd.z());
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} else {
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m_clippingPosStart.setZ(_posEnd.z());
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m_clippingPosStop.setZ(_pos.z());
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}
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m_clippingEnable = true;
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}
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void ewol::compositing::Image::setAngle(float _angle) {
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m_angle = _angle;
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}
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void ewol::compositing::Image::print(const vec2& _size) {
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printPart(_size, vec2(0,0), vec2(1.0,1.0));
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}
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void ewol::compositing::Image::printPart(const vec2& _size,
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const vec2& _sourcePosStart,
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const vec2& _sourcePosStop) {
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if (m_angle == 0.0f) {
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vec3 point = m_position;
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vec2 tex(_sourcePosStart.x(),_sourcePosStop.y());
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m_coord.push_back(point);
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m_coordTex.push_back(tex);
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m_coordColor.push_back(m_color);
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tex.setValue(_sourcePosStop.x(),_sourcePosStop.y());
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point.setX(m_position.x() + _size.x());
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point.setY(m_position.y());
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m_coord.push_back(point);
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m_coordTex.push_back(tex);
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m_coordColor.push_back(m_color);
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tex.setValue(_sourcePosStop.x(),_sourcePosStart.y());
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point.setX(m_position.x() + _size.x());
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point.setY(m_position.y() + _size.y());
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m_coord.push_back(point);
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m_coordTex.push_back(tex);
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m_coordColor.push_back(m_color);
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m_coord.push_back(point);
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m_coordTex.push_back(tex);
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m_coordColor.push_back(m_color);
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tex.setValue(_sourcePosStart.x(),_sourcePosStart.y());
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point.setX(m_position.x());
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point.setY(m_position.y() + _size.y());
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m_coord.push_back(point);
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m_coordTex.push_back(tex);
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m_coordColor.push_back(m_color);
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tex.setValue(_sourcePosStart.x(),_sourcePosStop.y());
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point.setX(m_position.x());
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point.setY(m_position.y());
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m_coord.push_back(point);
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m_coordTex.push_back(tex);
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m_coordColor.push_back(m_color);
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return;
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}
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vec3 center = m_position + vec3(_size.x(),_size.y(),0)/2.0f;
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vec3 limitedSize(_size.x()*0.5f, _size.y()*0.5f, 0.0f);
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vec3 point(0,0,0);
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vec2 tex(_sourcePosStart.x(),_sourcePosStop.y());
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point.setValue(-limitedSize.x(), -limitedSize.y(), 0);
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point = point.rotate(vec3(0,0,1), m_angle) + center;
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m_coord.push_back(point);
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m_coordTex.push_back(tex);
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m_coordColor.push_back(m_color);
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tex.setValue(_sourcePosStop.x(),_sourcePosStop.y());
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point.setValue(limitedSize.x(), -limitedSize.y(), 0);
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point = point.rotate(vec3(0,0,1), m_angle) + center;
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m_coord.push_back(point);
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m_coordTex.push_back(tex);
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m_coordColor.push_back(m_color);
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tex.setValue(_sourcePosStop.x(),_sourcePosStart.y());
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point.setValue(limitedSize.x(), limitedSize.y(), 0);
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point = point.rotate(vec3(0,0,1), m_angle) + center;
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m_coord.push_back(point);
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m_coordTex.push_back(tex);
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m_coordColor.push_back(m_color);
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m_coord.push_back(point);
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m_coordTex.push_back(tex);
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m_coordColor.push_back(m_color);
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tex.setValue(_sourcePosStart.x(),_sourcePosStart.y());
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point.setValue(-limitedSize.x(), limitedSize.y(), 0);
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point = point.rotate(vec3(0,0,1), m_angle) + center;
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m_coord.push_back(point);
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m_coordTex.push_back(tex);
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m_coordColor.push_back(m_color);
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tex.setValue(_sourcePosStart.x(),_sourcePosStop.y());
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point.setValue(-limitedSize.x(), -limitedSize.y(), 0);
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point = point.rotate(vec3(0,0,1), m_angle) + center;
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m_coord.push_back(point);
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m_coordTex.push_back(tex);
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m_coordColor.push_back(m_color);
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}
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void ewol::compositing::Image::setSource(const std::string& _newFile, const vec2& _size) {
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clear();
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std::shared_ptr<ewol::resource::TextureFile> resource(m_resource);
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std::shared_ptr<ewol::resource::ImageDF> resourceDF(m_resourceDF);
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m_filename = _newFile;
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m_requestSize = _size;
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m_resource.reset();
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m_resourceDF.reset();
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ivec2 tmpSize(_size.x(),_size.y());
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// note that no image can be loaded...
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if (_newFile != "") {
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// link to new one
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if (m_distanceFieldMode == false) {
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m_resource = ewol::resource::TextureFile::create(m_filename, tmpSize);
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if (m_resource == nullptr) {
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EWOL_ERROR("Can not get Image resource");
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}
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} else {
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m_resourceDF = ewol::resource::ImageDF::create(m_filename, tmpSize);
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if (m_resourceDF == nullptr) {
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EWOL_ERROR("Can not get Image resource DF");
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}
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}
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}
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if ( m_resource == nullptr
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&& m_resourceDF == nullptr) {
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if (resource != nullptr) {
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EWOL_WARNING("Retrive previous resource");
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m_resource = resource;
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}
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if (resourceDF != nullptr) {
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EWOL_WARNING("Retrive previous resource (DF)");
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m_resourceDF = resourceDF;
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}
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}
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}
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bool ewol::compositing::Image::hasSources() {
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return (m_resource != nullptr || m_resourceDF != nullptr);
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}
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vec2 ewol::compositing::Image::getRealSize() {
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if ( m_resource == nullptr
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&& m_resourceDF == nullptr) {
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return vec2(0,0);
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}
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if (m_resource != nullptr) {
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return m_resource->getRealSize();
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}
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if (m_resourceDF != nullptr) {
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return m_resourceDF->getRealSize();
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}
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return vec2(0,0);
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}
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void ewol::compositing::Image::setDistanceFieldMode(bool _mode) {
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if (m_distanceFieldMode == _mode) {
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return;
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}
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m_distanceFieldMode = _mode;
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// Force reload input
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setSource(m_filename, m_requestSize);
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loadProgram();
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}
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