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6ef5642e63ea89b4245828560e4d149c0518b97e
vimix/Decorations.cpp

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C++
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#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtx/vector_angle.hpp>
#include <glm/gtx/component_wise.hpp>
#include "Decorations.h"
#include "Visitor.h"
#include "BoundingBoxVisitor.h"
#include "ImageShader.h"
#include "GlmToolkit.h"
#include "Log.h"
Frame::Frame(CornerType corner, BorderType border, ShadowType shadow) : Node(), side_(nullptr), top_(nullptr), shadow_(nullptr), square_(nullptr)
{
static Mesh *shadows[3] = {nullptr};
if (shadows[0] == nullptr) {
shadows[0] = new Mesh("mesh/glow.ply", "images/glow.dds");
shadows[1] = new Mesh("mesh/shadow.ply", "images/shadow.dds");
shadows[2] = new Mesh("mesh/shadow_perspective.ply", "images/shadow_perspective.dds");
}
static Mesh *frames[4] = {nullptr};
if (frames[0] == nullptr) {
frames[0] = new Mesh("mesh/border_round.ply");
frames[1] = new Mesh("mesh/border_top.ply");
frames[2] = new Mesh("mesh/border_large_round.ply");
frames[3] = new Mesh("mesh/border_large_top.ply");
}
static LineSquare *sharpframethin = new LineSquare( 3 );
static LineSquare *sharpframelarge = new LineSquare( 5 );
if (corner == SHARP) {
if (border == LARGE)
square_ = sharpframelarge;
else
square_ = sharpframethin;
}
else {
// Round corners
if (border == THIN) {
side_ = frames[0];
top_ = frames[1];
}
else{
side_ = frames[2];
top_ = frames[3];
}
}
switch (shadow) {
default:
case NONE:
break;
case GLOW:
shadow_ = shadows[0];
break;
case DROP:
shadow_ = shadows[1];
break;
case PERSPECTIVE:
shadow_ = shadows[2];
break;
}
color = glm::vec4( 1.f, 1.f, 1.f, 1.f);
}
Frame::~Frame()
{
}
void Frame::update( float dt )
{
Node::update(dt);
if(top_)
top_->update(dt);
if(side_)
side_->update(dt);
if(shadow_)
shadow_->update(dt);
if(square_)
square_->update(dt);
}
void Frame::draw(glm::mat4 modelview, glm::mat4 projection)
{
if ( !initialized() ) {
if(side_ && !side_->initialized())
side_->init();
if(top_ && !top_->initialized())
top_->init();
if(shadow_ && !shadow_->initialized())
shadow_->init();
if(square_ && !square_->initialized())
square_->init();
init();
}
if ( visible_ ) {
glm::mat4 ctm = modelview * transform_;
// shadow (scaled)
if(shadow_){
shadow_->shader()->color.a = 0.98f;
shadow_->draw( ctm, projection);
}
// top (scaled)
if(top_) {
top_->shader()->color = color;
top_->draw( ctm, projection);
}
// top (scaled)
if(square_) {
square_->shader()->color = color;
square_->draw( ctm, projection);
}
if(side_) {
side_->shader()->color = color;
// get scale
glm::vec4 scale = ctm * glm::vec4(1.f, 1.0f, 0.f, 0.f);
// get rotation
glm::vec3 rot(0.f);
glm::vec4 vec = ctm * glm::vec4(1.f, 0.f, 0.f, 0.f);
rot.z = glm::orientedAngle( glm::vec3(1.f, 0.f, 0.f), glm::normalize(glm::vec3(vec)), glm::vec3(0.f, 0.f, 1.f) );
if(side_) {
// left side
vec = ctm * glm::vec4(1.f, 0.f, 0.f, 1.f);
side_->draw( GlmToolkit::transform(vec, rot, glm::vec3(scale.y, scale.y, 1.f)), projection );
// right side
vec = ctm * glm::vec4(-1.f, 0.f, 0.f, 1.f);
side_->draw( GlmToolkit::transform(vec, rot, glm::vec3(-scale.y, scale.y, 1.f)), projection );
}
}
}
}
void Frame::accept(Visitor& v)
{
Node::accept(v);
v.visit(*this);
}
Handles::Handles(Type type) : Node(), type_(type)
{
static Mesh *handle_rotation = new Mesh("mesh/border_handles_rotation.ply");
static Mesh *handle_corner = new Mesh("mesh/border_handles_overlay.ply");
static Mesh *handle_scale = new Mesh("mesh/border_handles_scale.ply");
color = glm::vec4( 1.f, 1.f, 0.f, 1.f);
if ( type_ == Handles::ROTATE ) {
handle_ = handle_rotation;
}
else if ( type_ == Handles::SCALE ) {
handle_ = handle_scale;
}
else {
handle_ = handle_corner;
}
corner_ = glm::vec2(0.f, 0.f);
}
Handles::~Handles()
{
}
void Handles::update( float dt )
{
Node::update(dt);
handle_->update(dt);
}
void Handles::draw(glm::mat4 modelview, glm::mat4 projection)
{
static Mesh *handle_active = new Mesh("mesh/border_handles_overlay_filled.ply");
if ( !initialized() ) {
if(handle_ && !handle_->initialized())
handle_->init();
init();
}
if ( visible_ ) {
// set color
handle_->shader()->color = color;
// extract rotation from modelview
glm::mat4 ctm;
glm::vec3 rot(0.f);
glm::vec4 vec = modelview * glm::vec4(1.f, 0.f, 0.f, 0.f);
rot.z = glm::orientedAngle( glm::vec3(1.f, 0.f, 0.f), glm::normalize(glm::vec3(vec)), glm::vec3(0.f, 0.f, 1.f) );
// extract scaling and mirroring
ctm = glm::rotate(glm::identity<glm::mat4>(), -rot.z, glm::vec3(0.f, 0.f, 1.f)) * modelview ;
vec = ctm * glm::vec4(1.f, 1.f, 0.f, 0.f);
glm::vec4 mirror = glm::sign(vec);
if ( type_ == Handles::RESIZE ) {
// 4 corners
vec = modelview * glm::vec4(1.f, -1.f, 0.f, 1.f);
ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
handle_->draw( ctm, projection );
vec = modelview * glm::vec4(1.f, 1.f, 0.f, 1.f);
ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
handle_->draw( ctm, projection );
vec = modelview * glm::vec4(-1.f, -1.f, 0.f, 1.f);
ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
handle_->draw( ctm, projection );
vec = modelview * glm::vec4(-1.f, 1.f, 0.f, 1.f);
ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
handle_->draw( ctm, projection );
if ( glm::length(corner_) > 0.f ) {
vec = modelview * glm::vec4(corner_.x, corner_.y, 0.f, 1.f);
ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
handle_active->draw( ctm, projection );
}
}
else if ( type_ == Handles::RESIZE_H ){
// left and right
vec = modelview * glm::vec4(1.f, 0.f, 0.f, 1.f);
ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
handle_->draw( ctm, projection );
vec = modelview * glm::vec4(-1.f, 0.f, 0.f, 1.f);
ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
handle_->draw( ctm, projection );
if ( glm::length(corner_) > 0.f ) {
vec = modelview * glm::vec4(corner_.x, corner_.y, 0.f, 1.f);
ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
handle_active->draw( ctm, projection );
}
}
else if ( type_ == Handles::RESIZE_V ){
// top and bottom
vec = modelview * glm::vec4(0.f, 1.f, 0.f, 1.f);
ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
handle_->draw( ctm, projection );
vec = modelview * glm::vec4(0.f, -1.f, 0.f, 1.f);
ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
handle_->draw( ctm, projection );
if ( glm::length(corner_) > 0.f ) {
vec = modelview * glm::vec4(corner_.x, corner_.y, 0.f, 1.f);
ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
handle_active->draw( ctm, projection );
}
}
else if ( type_ == Handles::ROTATE ){
// one icon in top right corner
// 1. Fixed displacement by (0.12,0.12) along the rotation..
ctm = GlmToolkit::transform(glm::vec4(0.f), rot, mirror);
glm::vec4 pos = ctm * glm::vec4( 0.12f, 0.12f, 0.f, 1.f);
// 2. ..from the top right corner (1,1)
vec = ( modelview * glm::vec4(1.f, 1.f, 0.f, 1.f) ) + pos;
ctm = GlmToolkit::transform(vec, rot, glm::vec3(1.f));
// 3. draw
handle_->draw( ctm, projection );
}
else if ( type_ == Handles::SCALE ){
// one icon in bottom right corner
// 1. Fixed displacement by (0.12,0.12) along the rotation..
ctm = GlmToolkit::transform(glm::vec4(0.f), rot, mirror);
glm::vec4 pos = ctm * glm::vec4(mirror.x * 0.12f, mirror.x * -0.12f, 0.f, 1.f);
// 2. ..from the bottom right corner (1,1)
vec = ( modelview * glm::vec4(1.f, -1.f, 0.f, 1.f) ) + pos;
ctm = GlmToolkit::transform(vec, rot, glm::vec3(mirror.x, mirror.y, 1.f));
// 3. draw
handle_->draw( ctm, projection );
}
}
}
void Handles::accept(Visitor& v)
{
Node::accept(v);
v.visit(*this);
}
Symbol::Symbol(Type t, glm::vec3 pos) : Node(), type_(t)
{
static Mesh *icons[(int)EMPTY+1] = {nullptr};
if (icons[0] == nullptr) {
icons[CIRCLE_POINT] = new Mesh("mesh/point.ply");
icons[SQUARE_POINT] = new Mesh("mesh/square_point.ply");
icons[IMAGE] = new Mesh("mesh/icon_image.ply");
icons[VIDEO] = new Mesh("mesh/icon_video.ply");
icons[SESSION] = new Mesh("mesh/icon_vimix.ply");
icons[CLONE] = new Mesh("mesh/icon_clone.ply");
icons[RENDER] = new Mesh("mesh/icon_render.ply");
icons[EMPTY] = new Mesh("mesh/icon_empty.ply");
icons[DOTS] = new Mesh("mesh/icon_dots.ply");
icons[BUSY] = new Mesh("mesh/icon_circles.ply");
icons[LOCK] = new Mesh("mesh/icon_lock.ply");
icons[UNLOCK] = new Mesh("mesh/icon_unlock.ply");
icons[CIRCLE] = new Mesh("mesh/icon_circle.ply");
icons[CLOCK] = new Mesh("mesh/icon_clock.ply");
icons[CLOCK_H] = new Mesh("mesh/icon_clock_hand.ply");
icons[SQUARE] = new Mesh("mesh/icon_square.ply");
icons[CROSS] = new Mesh("mesh/icon_cross.ply");
icons[GRID] = new Mesh("mesh/icon_grid.ply");
}
symbol_ = icons[type_];
translation_ = pos;
color = glm::vec4( 1.f, 1.f, 1.f, 1.f);
}
Symbol::~Symbol()
{
}
void Symbol::draw(glm::mat4 modelview, glm::mat4 projection)
{
if ( !initialized() ) {
if(symbol_ && !symbol_->initialized())
symbol_->init();
init();
}
if ( visible_ && symbol_) {
// set color
symbol_->shader()->color = color;
// rebuild a matrix with rotation (see handles) and translation from modelview + translation_
// and define scale to be 1, 1
glm::mat4 ctm;
glm::vec3 rot(0.f);
glm::vec4 vec = modelview * glm::vec4(1.f, 0.f, 0.f, 0.f);
rot.z = glm::orientedAngle( glm::vec3(1.f, 0.f, 0.f), glm::normalize(glm::vec3(vec)), glm::vec3(0.f, 0.f, 1.f) );
// extract scaling
ctm = glm::rotate(glm::identity<glm::mat4>(), -rot.z, glm::vec3(0.f, 0.f, 1.f)) * modelview ;
vec = ctm * glm::vec4(1.f, 1.f, 0.f, 0.f);
glm::vec3 sca = glm::vec3(vec.y , vec.y, 1.f) * glm::vec3(scale_.y, scale_.y, 1.f);
// extract translation
glm::vec3 tran = glm::vec3(modelview[3][0], modelview[3][1], modelview[3][2]) ;
tran += translation_ * glm::vec3(vec);
// apply local rotation
rot.z += rotation_.z;
// generate matrix
ctm = GlmToolkit::transform(tran, rot, sca);
symbol_->draw( ctm, projection);
}
}
void Symbol::accept(Visitor& v)
{
Node::accept(v);
v.visit(*this);
}
Mesh *Disk::disk_ = nullptr;
Disk::Disk() : Node()
{
if (Disk::disk_ == nullptr)
Disk::disk_ = new Mesh("mesh/disk.ply");
color = glm::vec4( 1.f, 1.f, 1.f, 1.f);
}
Disk::~Disk()
{
}
void Disk::draw(glm::mat4 modelview, glm::mat4 projection)
{
if ( !initialized() ) {
if (!Disk::disk_->initialized())
Disk::disk_->init();
init();
}
if ( visible_ ) {
// set color
Disk::disk_->shader()->color = color;
glm::mat4 ctm = modelview * transform_;
Disk::disk_->draw( ctm, projection);
}
}
void Disk::accept(Visitor& v)
{
Node::accept(v);
v.visit(*this);
}
//SelectionBox::SelectionBox()
//{
//// color = glm::vec4( 1.f, 1.f, 1.f, 1.f);
// color = glm::vec4( 1.f, 0.f, 0.f, 1.f);
// square_ = new LineSquare( 3 );
//}
//void SelectionBox::draw (glm::mat4 modelview, glm::mat4 projection)
//{
// if ( !initialized() ) {
// square_->init();
// init();
// }
// if (visible_) {
// // use a visitor bounding box to calculate extend of all selected nodes
// BoundingBoxVisitor vbox;
// // visit every child of the selection
// for (NodeSet::iterator node = children_.begin();
// node != children_.end(); node++) {
// // reset the transform before
// vbox.setModelview(glm::identity<glm::mat4>());
// (*node)->accept(vbox);
// }
// // get the bounding box
// bbox_ = vbox.bbox();
//// Log::Info(" -------- visitor box (%f, %f)-(%f, %f)", bbox_.min().x, bbox_.min().y, bbox_.max().x, bbox_.max().y);
// // set color
// square_->shader()->color = color;
// // compute transformation from bounding box
//// glm::mat4 ctm = modelview * GlmToolkit::transform(glm::vec3(0.f), glm::vec3(0.f), glm::vec3(1.f));
// glm::mat4 ctm = modelview * GlmToolkit::transform(bbox_.center(), glm::vec3(0.f), bbox_.scale());
// // draw bbox
//// square_->draw( modelview, projection);
// square_->draw( ctm, projection);
// // DEBUG
//// visible_=false;
// }
//}
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