ewol/ewol/compositing/Image.cpp

315 lines
8.8 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2011, Edouard DUPIN, all right reserved
*
* @license APACHE v2.0 (see license file)
*/
#include <ewol/debug.h>
#include <ewol/compositing/Image.h>
#undef __class__
#define __class__ "ewol::compositing::Image"
ewol::compositing::Image::Image(const std::string& _imageName, bool _df) :
m_filename(_imageName),
m_requestSize(2,2),
m_position(0.0, 0.0, 0.0),
m_clippingPosStart(0.0, 0.0, 0.0),
m_clippingPosStop(0.0, 0.0, 0.0),
m_clippingEnable(false),
m_color(etk::color::white),
m_angle(0.0),
m_GLprogram(nullptr),
m_GLPosition(-1),
m_GLMatrix(-1),
m_GLColor(-1),
m_GLtexture(-1),
m_GLtexID(-1),
m_distanceFieldMode(_df),
m_resource(nullptr),
m_resourceDF(nullptr) {
setSource(_imageName);
loadProgram();
}
ewol::compositing::Image::~Image() {
}
void ewol::compositing::Image::loadProgram() {
// get the shader resource :
m_GLPosition = 0;
m_GLprogram.reset();
if (m_distanceFieldMode == true) {
m_GLprogram = gale::resource::Program::create("{ewol}DATA:texturedDF.prog");
} else {
m_GLprogram = gale::resource::Program::create("{ewol}DATA:textured3D.prog");
}
if (m_GLprogram != nullptr) {
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::compositing::Image::draw(bool _disableDepthTest) {
if (m_coord.size() <= 0) {
//EWOL_WARNING("Nothink to draw...");
return;
}
if ( m_resource == nullptr
&& m_resourceDF == nullptr) {
// this is a normale case ... the user can choice to have no image ...
return;
}
if (m_GLprogram == nullptr) {
EWOL_ERROR("No shader ...");
return;
}
if (_disableDepthTest == true) {
gale::openGL::disable(gale::openGL::flag_depthTest);
} else {
gale::openGL::enable(gale::openGL::flag_depthTest);
}
// set Matrix : translation/positionMatrix
mat4 tmpMatrix = gale::openGL::getMatrix()*m_matrixApply;
m_GLprogram->use();
m_GLprogram->uniformMatrix(m_GLMatrix, tmpMatrix);
// TextureID
if (m_resource != nullptr) {
if (m_distanceFieldMode == true) {
EWOL_ERROR("FONT type error Request distance field and display normal ...");
}
m_GLprogram->setTexture0(m_GLtexID, m_resource->getRendererId());
} else {
if (m_distanceFieldMode == false) {
EWOL_ERROR("FONT type error Request normal and display distance field ...");
}
m_GLprogram->setTexture0(m_GLtexID, m_resourceDF->getRendererId());
}
// position :
m_GLprogram->sendAttribute(m_GLPosition, m_coord);
// Texture :
m_GLprogram->sendAttribute(m_GLtexture, m_coordTex);
// color :
m_GLprogram->sendAttribute(m_GLColor, m_coordColor);
// Request the draw od the elements :
gale::openGL::drawArrays(gale::openGL::render_triangle, 0, m_coord.size());
m_GLprogram->unUse();
}
void ewol::compositing::Image::clear() {
// 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);
m_clippingPosStart = vec3(0.0, 0.0, 0.0);
m_clippingPosStop = vec3(0.0, 0.0, 0.0);
m_clippingEnable = false;
m_color = etk::color::white;
m_angle = 0.0;
}
void ewol::compositing::Image::setClipping(const vec3& _pos, vec3 _posEnd) {
// note the internal system all time request to have a bounding all time in the same order
if (_pos.x() <= _posEnd.x()) {
m_clippingPosStart.setX(_pos.x());
m_clippingPosStop.setX(_posEnd.x());
} else {
m_clippingPosStart.setX(_posEnd.x());
m_clippingPosStop.setX(_pos.x());
}
if (_pos.y() <= _posEnd.y()) {
m_clippingPosStart.setY(_pos.y());
m_clippingPosStop.setY(_posEnd.y());
} else {
m_clippingPosStart.setY(_posEnd.y());
m_clippingPosStop.setY(_pos.y());
}
if (_pos.z() <= _posEnd.z()) {
m_clippingPosStart.setZ(_pos.z());
m_clippingPosStop.setZ(_posEnd.z());
} else {
m_clippingPosStart.setZ(_posEnd.z());
m_clippingPosStop.setZ(_pos.z());
}
m_clippingEnable = true;
}
void ewol::compositing::Image::setAngle(float _angle) {
m_angle = _angle;
}
void ewol::compositing::Image::print(const vec2& _size) {
printPart(_size, vec2(0,0), vec2(1.0,1.0));
}
void ewol::compositing::Image::printPart(const vec2& _size,
const vec2& _sourcePosStart,
const vec2& _sourcePosStop) {
if (m_angle == 0.0f) {
vec3 point = m_position;
vec2 tex(_sourcePosStart.x(),_sourcePosStop.y());
m_coord.push_back(point);
m_coordTex.push_back(tex);
m_coordColor.push_back(m_color);
tex.setValue(_sourcePosStop.x(),_sourcePosStop.y());
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(_sourcePosStop.x(),_sourcePosStart.y());
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(_sourcePosStart.x(),_sourcePosStart.y());
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(_sourcePosStart.x(),_sourcePosStop.y());
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);
return;
}
vec3 center = m_position + vec3(_size.x(),_size.y(),0)/2.0f;
vec3 limitedSize(_size.x()*0.5f, _size.y()*0.5f, 0.0f);
vec3 point(0,0,0);
vec2 tex(_sourcePosStart.x(),_sourcePosStop.y());
point.setValue(-limitedSize.x(), -limitedSize.y(), 0);
point = point.rotate(vec3(0,0,1), m_angle) + center;
m_coord.push_back(point);
m_coordTex.push_back(tex);
m_coordColor.push_back(m_color);
tex.setValue(_sourcePosStop.x(),_sourcePosStop.y());
point.setValue(limitedSize.x(), -limitedSize.y(), 0);
point = point.rotate(vec3(0,0,1), m_angle) + center;
m_coord.push_back(point);
m_coordTex.push_back(tex);
m_coordColor.push_back(m_color);
tex.setValue(_sourcePosStop.x(),_sourcePosStart.y());
point.setValue(limitedSize.x(), limitedSize.y(), 0);
point = point.rotate(vec3(0,0,1), m_angle) + center;
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(_sourcePosStart.x(),_sourcePosStart.y());
point.setValue(-limitedSize.x(), limitedSize.y(), 0);
point = point.rotate(vec3(0,0,1), m_angle) + center;
m_coord.push_back(point);
m_coordTex.push_back(tex);
m_coordColor.push_back(m_color);
tex.setValue(_sourcePosStart.x(),_sourcePosStop.y());
point.setValue(-limitedSize.x(), -limitedSize.y(), 0);
point = point.rotate(vec3(0,0,1), m_angle) + center;
m_coord.push_back(point);
m_coordTex.push_back(tex);
m_coordColor.push_back(m_color);
}
void ewol::compositing::Image::setSource(const std::string& _newFile, const vec2& _size) {
clear();
std::shared_ptr<ewol::resource::TextureFile> resource(m_resource);
std::shared_ptr<ewol::resource::ImageDF> resourceDF(m_resourceDF);
m_filename = _newFile;
m_requestSize = _size;
m_resource.reset();
m_resourceDF.reset();
ivec2 tmpSize(_size.x(),_size.y());
// note that no image can be loaded...
if (_newFile != "") {
// link to new one
if (m_distanceFieldMode == false) {
m_resource = ewol::resource::TextureFile::create(m_filename, tmpSize);
if (m_resource == nullptr) {
EWOL_ERROR("Can not get Image resource");
}
} else {
m_resourceDF = ewol::resource::ImageDF::create(m_filename, tmpSize);
if (m_resourceDF == nullptr) {
EWOL_ERROR("Can not get Image resource DF");
}
}
}
if ( m_resource == nullptr
&& m_resourceDF == nullptr) {
if (resource != nullptr) {
EWOL_WARNING("Retrive previous resource");
m_resource = resource;
}
if (resourceDF != nullptr) {
EWOL_WARNING("Retrive previous resource (DF)");
m_resourceDF = resourceDF;
}
}
}
bool ewol::compositing::Image::hasSources() {
return (m_resource != nullptr || m_resourceDF != nullptr);
}
vec2 ewol::compositing::Image::getRealSize() {
if ( m_resource == nullptr
&& m_resourceDF == nullptr) {
return vec2(0,0);
}
if (m_resource != nullptr) {
return m_resource->getRealSize();
}
if (m_resourceDF != nullptr) {
return m_resourceDF->getRealSize();
}
return vec2(0,0);
}
void ewol::compositing::Image::setDistanceFieldMode(bool _mode) {
if (m_distanceFieldMode == _mode) {
return;
}
m_distanceFieldMode = _mode;
// Force reload input
setSource(m_filename, m_requestSize);
loadProgram();
}