void RenderableGadget::doRender( const Style *style ) const
{
if( IECoreGL::Selector::currentSelector() )
{
// our scene may contain shaders which don't work with
// the selector so we early out for now. we could override
// the base state with an appropriate selection shader and
// a name component matching the name for the gadget, but
// right now we have no need for that.
return;
}
if( m_scene )
{
m_scene->render( m_baseState.get() );
}
if( m_dragSelecting )
{
const ViewportGadget *viewportGadget = ancestor<ViewportGadget>();
ViewportGadget::RasterScope rasterScope( viewportGadget );
Box2f b;
b.extendBy( viewportGadget->gadgetToRasterSpace( m_dragStartPosition, this ) );
b.extendBy( viewportGadget->gadgetToRasterSpace( m_lastDragPosition, this ) );
style->renderSelectionBox( b );
}
}
void LayersDialog::update(float elapsed_time) {
if (layering() == NULL) return;
vector< DialogBin > &bins = layering()->bins;
float &dialog_tween = layering()->dialog_tween;
dialog_tween += elapsed_time;
if (dialog_tween > 1.0f) dialog_tween = 1.0f;
for (unsigned int b = 0; b < bins.size(); ++b) {
Box2f box = bins[b].get_box(dialog_tween);
if (box.contains(mouse_pos)) {
bins[b].arrows += elapsed_time * 4.0f;
if (bins[b].arrows > 1.0f) bins[b].arrows = 1.0f;
} else {
bins[b].arrows -= elapsed_time * 1.5f;
if (bins[b].arrows < 0.0f) bins[b].arrows = 0.0f;
}
Box2f tex = bins[b].get_tex_box(dialog_tween);
if (tex.contains(mouse_pos)) {
bins[b].zoom_out += elapsed_time * 3.0f;
if (bins[b].zoom_out > 1.0f) bins[b].zoom_out = 1.0f;
} else {
bins[b].zoom_out -= elapsed_time * 3.0f;
if (bins[b].zoom_out < 0.0f) bins[b].zoom_out = 0.0f;
}
}
}
void updateDragRectangle( const GafferUI::DragDropEvent &event, RectangleChangedReason reason )
{
const V2f p = eventPosition( event );
Box2f b = m_dragStartRectangle;
if( m_xDragEdge == -1 )
{
b.min.x = p.x;
}
else if( m_xDragEdge == 1 )
{
b.max.x = p.x;
}
if( m_yDragEdge == -1 )
{
b.min.y = p.y;
}
else if( m_yDragEdge == 1 )
{
b.max.y = p.y;
}
// fix max < min issues
Box2f c;
c.extendBy( b.min );
c.extendBy( b.max );
setRectangleInternal( c, reason );
}
void CameraController::setResolution( const Imath::V2i &resolution, ScreenWindowAdjustment adjustment )
{
const V2i oldResolution = m_data->resolution->readable();
const Box2f oldScreenWindow = m_data->screenWindow->readable();
m_data->resolution->writable() = resolution;
Box2f newScreenWindow;
if( adjustment == ScaleScreenWindow )
{
const float oldAspect = (float)oldResolution.x/(float)oldResolution.y;
const float badAspect = (float)resolution.x/(float)resolution.y;
const float yScale = oldAspect / badAspect;
newScreenWindow = oldScreenWindow;
newScreenWindow.min.y *= yScale;
newScreenWindow.max.y *= yScale;
}
else
{
const V2f screenWindowCenter = oldScreenWindow.center();
const V2f scale = V2f( resolution ) / V2f( oldResolution );
newScreenWindow.min = (oldScreenWindow.min - screenWindowCenter) * scale;
newScreenWindow.max = (oldScreenWindow.max - screenWindowCenter) * scale;
}
m_data->screenWindow->writable() = newScreenWindow;
}
void GraphGadget::updateDragSelection( bool dragEnd )
{
Box2f selectionBound;
selectionBound.extendBy( m_dragStartPosition );
selectionBound.extendBy( m_lastDragPosition );
for( NodeGadgetMap::const_iterator it = m_nodeGadgets.begin(), eIt = m_nodeGadgets.end(); it != eIt; ++it )
{
NodeGadget *nodeGadget = it->second.gadget;
const Box3f nodeBound3 = nodeGadget->transformedBound();
const Box2f nodeBound2( V2f( nodeBound3.min.x, nodeBound3.min.y ), V2f( nodeBound3.max.x, nodeBound3.max.y ) );
if( boxContains( selectionBound, nodeBound2 ) )
{
nodeGadget->setHighlighted( true );
if( dragEnd )
{
m_scriptNode->selection()->add( const_cast<Gaffer::Node *>( it->first ) );
}
}
else
{
nodeGadget->setHighlighted( m_scriptNode->selection()->contains( it->first ) );
}
}
}
ViewportGadget::SelectionScope::SelectionScope( const Imath::V3f &corner0InGadgetSpace, const Imath::V3f &corner1InGadgetSpace, const Gadget *gadget, std::vector<IECoreGL::HitRecord> &selection, IECoreGL::Selector::Mode mode )
: m_selection( selection )
{
const ViewportGadget *viewportGadget = gadget->ancestor<ViewportGadget>();
Box2f rasterRegion;
rasterRegion.extendBy( viewportGadget->gadgetToRasterSpace( corner0InGadgetSpace, gadget ) );
rasterRegion.extendBy( viewportGadget->gadgetToRasterSpace( corner1InGadgetSpace, gadget ) );
begin( viewportGadget, rasterRegion, gadget->fullTransform(), mode );
}
void CameraController::frame( const Imath::Box3f &box, const Imath::V3f &viewDirection, const Imath::V3f &upVector )
{
// make a matrix to centre the camera on the box, with the appropriate view direction
M44f cameraMatrix = rotationMatrixWithUpDir( V3f( 0, 0, -1 ), viewDirection, upVector );
M44f translationMatrix;
translationMatrix.translate( box.center() );
cameraMatrix *= translationMatrix;
// translate the camera back until the box is completely visible
M44f inverseCameraMatrix = cameraMatrix.inverse();
Box3f cBox = transform( box, inverseCameraMatrix );
Box2f screenWindow = m_data->screenWindow->readable();
if( m_data->projection->readable()=="perspective" )
{
// perspective. leave the field of view and screen window as is and translate
// back till the box is wholly visible. this currently assumes the screen window
// is centred about the camera axis.
float z0 = cBox.size().x / screenWindow.size().x;
float z1 = cBox.size().y / screenWindow.size().y;
m_data->centreOfInterest = std::max( z0, z1 ) / tan( M_PI * m_data->fov->readable() / 360.0 ) + cBox.max.z +
m_data->clippingPlanes->readable()[0];
cameraMatrix.translate( V3f( 0.0f, 0.0f, m_data->centreOfInterest ) );
}
else
{
// orthographic. translate to front of box and set screen window
// to frame the box, maintaining the aspect ratio of the screen window.
m_data->centreOfInterest = cBox.max.z + m_data->clippingPlanes->readable()[0] + 0.1; // 0.1 is a fudge factor
cameraMatrix.translate( V3f( 0.0f, 0.0f, m_data->centreOfInterest ) );
float xScale = cBox.size().x / screenWindow.size().x;
float yScale = cBox.size().y / screenWindow.size().y;
float scale = std::max( xScale, yScale );
V2f newSize = screenWindow.size() * scale;
screenWindow.min.x = cBox.center().x - newSize.x / 2.0f;
screenWindow.min.y = cBox.center().y - newSize.y / 2.0f;
screenWindow.max.x = cBox.center().x + newSize.x / 2.0f;
screenWindow.max.y = cBox.center().y + newSize.y / 2.0f;
}
m_data->transform->matrix = cameraMatrix;
m_data->screenWindow->writable() = screenWindow;
}
void CameraController::track( const Imath::V2f &p )
{
V2i resolution = m_data->resolution->readable();
Box2f screenWindow = m_data->screenWindow->readable();
V2f d = p - m_data->motionStart;
V3f translate( 0.0f );
translate.x = -screenWindow.size().x * d.x/(float)resolution.x;
translate.y = screenWindow.size().y * d.y/(float)resolution.y;
if( m_data->projection->readable()=="perspective" && m_data->fov )
{
translate *= tan( M_PI * m_data->fov->readable() / 360.0f ) * (float)m_data->centreOfInterest;
}
M44f t = m_data->motionMatrix;
t.translate( translate );
m_data->transform->matrix = t;
}
void CropWindowTool::preRender()
{
const Box2f resolutionGate = static_cast<SceneView *>( view() )->resolutionGate();
if( resolutionGate.isEmpty() )
{
m_overlay->setVisible( false );
return;
}
if( !activePlug()->getValue() )
{
return;
}
m_overlay->setVisible( true );
if( !m_overlayDirty )
{
return;
}
Box2f cropWindow( V2f( 0 ), V2f( 1 ) );
findCropWindowPlug();
if( m_cropWindowPlug )
{
cropWindow = m_cropWindowPlug->getValue();
}
BlockedConnection blockedConnection( m_overlayRectangleChangedConnection );
m_overlay->setRectangle(
Box2f(
V2f(
lerp( resolutionGate.min.x, resolutionGate.max.x, cropWindow.min.x ),
lerp( resolutionGate.min.y, resolutionGate.max.y, cropWindow.min.y )
),
V2f(
lerp( resolutionGate.min.x, resolutionGate.max.x, cropWindow.max.x ),
lerp( resolutionGate.min.y, resolutionGate.max.y, cropWindow.max.y )
)
)
);
m_overlayDirty = false;
}
bool LayersDialog::handle_event(SDL_Event const &event, Vector2f local_mouse) {
mouse_pos = local_mouse;
if (layering() == NULL) return false;
if (event.type == SDL_MOUSEBUTTONDOWN) {
vector< DialogBin > const &bins = layering()->bins;
ListGraph &stacking = layering()->stacking;
const float dialog_tween = layering()->dialog_tween;
const vector< vector< uint32_t > > &layers = layering()->layers;
const Vector2ui dialog_point = layering()->dialog_point;
const vector< uint32_t > &tags = layering()->tags;
const unsigned int width = layering()->width;
const unsigned int height = layering()->height;
for (unsigned int b = 0; b < bins.size(); ++b) {
Box2f box = bins[b].get_box(dialog_tween);
if (box.contains(local_mouse)) {
if (bins[b].layer >= layers.size()) continue;
bool up = local_mouse.y > box.center().y;
if (dialog_point.x < width && dialog_point.y < height && tags.size() == width * height) {
unsigned int t = tags[dialog_point.y * width + dialog_point.x];
assert(t < stacking.lists.size());
for (unsigned int i = 0; i < stacking.lists[t].size(); ++i) {
if (stacking.lists[t][i] == bins[b].layer) {
if (up && i + 1 < stacking.lists[t].size()) {
stacking.flip_rel(t, bins[b].layer, stacking.lists[t][i+1], true);
layering()->update_image();
}
if (!up && i - 1 < stacking.lists[t].size()) {
stacking.flip_rel(t, bins[b].layer, stacking.lists[t][i-1], false);
layering()->update_image();
}
break;
}
}
}
return true;
}
}
}
return false;
}
void CameraController::dolly( const Imath::V2f &p )
{
V2i resolution = m_data->resolution->readable();
V2f dv = V2f( (p - m_data->motionStart) ) / resolution;
float d = dv.x - dv.y;
if( m_data->projection->readable()=="perspective" )
{
// perspective
m_data->centreOfInterest = m_data->motionCentreOfInterest * expf( -1.9f * d );
M44f t = m_data->motionMatrix;
t.translate( V3f( 0, 0, m_data->centreOfInterest - m_data->motionCentreOfInterest ) );
m_data->transform->matrix = t;
}
else
{
// orthographic
Box2f screenWindow = m_data->motionScreenWindow;
V2f centreNDC = V2f( m_data->motionStart ) / resolution;
V2f centre(
lerp( screenWindow.min.x, screenWindow.max.x, centreNDC.x ),
lerp( screenWindow.max.y, screenWindow.min.y, centreNDC.y )
);
float newWidth = m_data->motionScreenWindow.size().x * expf( -1.9f * d );
newWidth = std::max( newWidth, 0.01f );
float scale = newWidth / screenWindow.size().x;
screenWindow.min = (screenWindow.min - centre) * scale + centre;
screenWindow.max = (screenWindow.max - centre) * scale + centre;
m_data->screenWindow->writable() = screenWindow;
}
}
bool GraphGadget::dragEnd( GadgetPtr gadget, const DragDropEvent &event )
{
DragMode dragMode = m_dragMode;
m_dragMode = None;
Pointer::set( 0 );
if( !m_scriptNode )
{
return false;
}
V3f i;
if( !event.line.intersect( Plane3f( V3f( 0, 0, 1 ), 0 ), i ) )
{
return false;
}
if( dragMode == Moving )
{
if ( m_dragReconnectCandidate )
{
if ( m_dragReconnectDstNodule || m_dragReconnectSrcNodule )
{
Gaffer::Plug *srcPlug = m_dragReconnectCandidate->srcNodule()->plug();
Gaffer::Plug *dstPlug = m_dragReconnectCandidate->dstNodule()->plug();
Gaffer::UndoContext undoContext( m_scriptNode );
if ( m_dragReconnectDstNodule )
{
m_dragReconnectDstNodule->plug()->setInput( srcPlug );
dstPlug->setInput( 0 );
}
if ( m_dragReconnectSrcNodule )
{
dstPlug->setInput( m_dragReconnectSrcNodule->plug() );
}
}
}
m_dragReconnectCandidate = 0;
renderRequestSignal()( this );
}
else if( dragMode == Selecting )
{
Box2f selectionBound;
selectionBound.extendBy( m_dragStartPosition );
selectionBound.extendBy( m_lastDragPosition );
for( ChildContainer::const_iterator it=children().begin(); it!=children().end(); it++ )
{
NodeGadgetPtr nodeGadget = runTimeCast<NodeGadget>( *it );
if( nodeGadget )
{
Box3f nodeBound3 = nodeGadget->transformedBound();
Box2f nodeBound2( V2f( nodeBound3.min.x, nodeBound3.min.y ), V2f( nodeBound3.max.x, nodeBound3.max.y ) );
if( boxContains( selectionBound, nodeBound2 ) )
{
m_scriptNode->selection()->add( nodeGadget->node() );
}
}
}
renderRequestSignal()( this );
}
return true;
}
void BackdropNodeGadget::doRender( const Style *style ) const
{
// this is our bound in gadget space
Box2f bound = boundPlug()->getValue();
// but because we're going to draw our contents at an arbitrary scale,
// we need to compute a modified bound which will be in the right place
// following scaling.
const Backdrop *backdrop = static_cast<const Backdrop *>( node() );
const float scale = backdrop->scalePlug()->getValue();
bound.min /= scale;
bound.max /= scale;
glPushMatrix();
glScalef( scale, scale, scale );
const Box3f titleCharacterBound = style->characterBound( Style::HeadingText );
const float titleBaseline = bound.max.y - g_margin - titleCharacterBound.max.y;
if( IECoreGL::Selector::currentSelector() )
{
// when selecting we render in a simplified form.
// we only draw a thin strip around the edge of the backdrop
// to allow the edges to be grabbed for dragging, and a strip
// at the top to allow the title header to be grabbed for moving
// around. leaving the main body of the backdrop as a hole is
// necessary to allow the GraphGadget to continue to perform
// drag selection on the nodes on top of the backdrop.
const float width = hoverWidth() / scale;
style->renderSolidRectangle( Box2f( bound.min, V2f( bound.min.x + width, bound.max.y ) ) ); // left
style->renderSolidRectangle( Box2f( V2f( bound.max.x - width, bound.min.y ), bound.max ) ); // right
style->renderSolidRectangle( Box2f( bound.min, V2f( bound.max.x, bound.min.y + width ) ) ); // bottom
style->renderSolidRectangle( Box2f( V2f( bound.min.x, bound.max.y - width ), bound.max ) ); // top
style->renderSolidRectangle( Box2f( V2f( bound.min.x, titleBaseline - g_margin ), bound.max ) ); // heading
}
else
{
// normal drawing mode
style->renderBackdrop( bound, getHighlighted() ? Style::HighlightedState : Style::NormalState );
const std::string title = backdrop->titlePlug()->getValue();
if( title.size() )
{
Box3f titleBound = style->textBound( Style::HeadingText, title );
glPushMatrix();
glTranslatef( bound.center().x - titleBound.size().x / 2.0f, titleBaseline, 0.0f );
style->renderText( Style::HeadingText, title );
glPopMatrix();
}
if( m_hovered )
{
style->renderHorizontalRule(
V2f( bound.center().x, titleBaseline - g_margin / 2.0f ),
bound.size().x - g_margin * 2.0f,
Style::HighlightedState
);
}
Box2f textBound = bound;
textBound.min += V2f( g_margin );
textBound.max = V2f( textBound.max.x - g_margin, titleBaseline - g_margin );
if( textBound.hasVolume() )
{
std::string description = backdrop->descriptionPlug()->getValue();
style->renderWrappedText( Style::BodyText, description, textBound );
}
}
glPopMatrix();
}
void ImageGadget::doRender( const GafferUI::Style *style ) const
{
if( IECoreGL::Selector::currentSelector() )
{
return;
}
// Compute what we need, and abort rendering if
// there are any computation errors.
Format format;
Box2i dataWindow;
try
{
format = this->format();
dataWindow = this->dataWindow();
updateTiles();
}
catch( ... )
{
return;
}
// Early out if the image has no size.
const Box2i &displayWindow = format.getDisplayWindow();
if( BufferAlgo::empty( displayWindow ) )
{
return;
}
// Render a black background the size of the image.
// We need to account for the pixel aspect ratio here
// and in all our drawing. Variables ending in F denote
// windows corrected for pixel aspect.
const Box2f displayWindowF(
V2f( displayWindow.min ) * V2f( format.getPixelAspect(), 1.0f ),
V2f( displayWindow.max ) * V2f( format.getPixelAspect(), 1.0f )
);
const Box2f dataWindowF(
V2f( dataWindow.min ) * V2f( format.getPixelAspect(), 1.0f ),
V2f( dataWindow.max ) * V2f( format.getPixelAspect(), 1.0f )
);
glColor3f( 0.0f, 0.0f, 0.0f );
style->renderSolidRectangle( displayWindowF );
if( !BufferAlgo::empty( dataWindow ) )
{
style->renderSolidRectangle( dataWindowF );
}
// Draw the image tiles over the top.
renderTiles();
// And add overlays for the display and data windows.
glColor3f( 0.1f, 0.1f, 0.1f );
style->renderRectangle( displayWindowF );
string formatText = Format::name( format );
const string dimensionsText = lexical_cast<string>( displayWindow.size().x ) + " x " + lexical_cast<string>( displayWindow.size().y );
if( formatText.empty() )
{
formatText = dimensionsText;
}
else
{
formatText += " ( " + dimensionsText + " )";
}
renderText( formatText, V2f( displayWindowF.center().x, displayWindowF.min.y ), V2f( 0.5, 1.5 ), style );
if( displayWindow.min != V2i( 0 ) )
{
renderText( lexical_cast<string>( displayWindow.min ), displayWindowF.min, V2f( 1, 1.5 ), style );
renderText( lexical_cast<string>( displayWindow.max ), displayWindowF.max, V2f( 0, -0.5 ), style );
}
if( !BufferAlgo::empty( dataWindow ) && dataWindow != displayWindow )
{
glColor3f( 0.5f, 0.5f, 0.5f );
style->renderRectangle( dataWindowF );
if( dataWindow.min != displayWindow.min )
{
renderText( lexical_cast<string>( dataWindow.min ), dataWindowF.min, V2f( 1, 1.5 ), style );
renderText( lexical_cast<string>( dataWindow.max ), dataWindowF.max, V2f( 0, -0.5 ), style );
}
}
}
void QtOutline2Rasterizer::rasterize(RasterizedOutline2 &poly,
float scale,
int rast_i,
int rotationNum,
int cellSize)
{
float rotRad = M_PI*2.0f*float(rast_i) / float(rotationNum);
//get polygon's BB, rotated according to the input parameter
Box2f bb;
vector<Point2f> pointvec = poly.getPoints();
for(size_t i=0;i<pointvec.size();++i) {
Point2f pp=pointvec[i];
pp.Rotate(rotRad);
bb.Add(pp);
}
///CREATE ITS GRID. The grid has to be a multiple of CELLSIZE because this grid's cells have size CELLSIZE
//we'll make so that sizeX and sizeY are multiples of CELLSIZE:
//1) we round it to the next integer
//2) add the number which makes it a multiple of CELLSIZE (only if it's not multiple already)
int sizeX = (int)ceil(bb.DimX()*scale);
int sizeY = (int)ceil(bb.DimY()*scale);
if (sizeX % cellSize != 0) sizeX += (cellSize - ((int)ceil(bb.DimX()*scale) % cellSize));
if (sizeY % cellSize != 0) sizeY += (cellSize - ((int)ceil(bb.DimY()*scale) % cellSize));
//security measure: add a dummy column/row thus making the image bigger, and crop it afterwards
//(if it hasn't been filled with anything)
//this is due to the fact that if we have a rectangle which has bb 39.xxx wide, then it won't fit in a 40px wide QImage!! The right side will go outside of the image!! :/
sizeX+=cellSize;
sizeY+=cellSize;
QImage img(sizeX,sizeY,QImage::Format_RGB32);
QColor backgroundColor(Qt::transparent);
img.fill(backgroundColor);
///SETUP OF DRAWING PROCEDURE
QPainter painter;
painter.begin(&img);
QBrush br;
br.setStyle(Qt::SolidPattern);
QPen qp;
qp.setWidthF(0);
qp.setColor(Qt::yellow);
painter.setBrush(br);
painter.setPen(qp);
painter.resetTransform();
painter.translate(QPointF(-(bb.min.X()*scale) , -(bb.min.Y()*scale) ));
painter.rotate(math::ToDeg(rotRad));
painter.scale(scale,scale);
//create the polygon to print it
QVector<QPointF> points;
vector<Point2f> newpoints = poly.getPoints();
for (size_t i = 0; i < newpoints.size(); i++) {
points.push_back(QPointF(newpoints[i].X(), newpoints[i].Y()));
}
painter.drawPolygon(QPolygonF(points));
//CROPPING: it is enough to check for the (end - cellSize - 1)th row/col of pixels, if they're all black we can eliminate the last 8columns/rows of pixels
bool cropX = true;
bool cropY = true;
for (int j=0; j<img.height(); j++) {
const uchar* line = img.scanLine(j);
if (j == img.height() - (cellSize - 1) - 1 ) {
for (int x=0; x<img.width(); x++) {
if (((QRgb*)line)[x] != backgroundColor.rgb()) {
cropY = false;
break;
}
}
}
else {
if (((QRgb*)line)[img.width() - (cellSize - 1) - 1] != backgroundColor.rgb()) {
cropX = false;
break;
}
}
if (!cropY) break;
}
if (cropX || cropY) {
painter.end();
img = img.copy(0, 0, img.width() - cellSize * cropX, img.height() - cellSize * cropY);
painter.begin(&img);
painter.setBrush(br);
painter.setPen(qp);
}
//draw the poly for the second time, this time it is centered to the image
img.fill(backgroundColor);
painter.resetTransform();
painter.translate(QPointF(-(bb.min.X()*scale) + (img.width() - ceil(bb.DimX()*scale))/2.0, -(bb.min.Y()*scale) + (img.height() - ceil(bb.DimY()*scale))/2.0));
painter.rotate(math::ToDeg(rotRad));
painter.scale(scale,scale);
//create the polygon to print it
QVector<QPointF> points2;
vector<Point2f> newpoints2 = poly.getPoints();
for (size_t i = 0; i < newpoints2.size(); i++) {
points2.push_back(QPointF(newpoints2[i].X(), newpoints2[i].Y()));
}
painter.drawPolygon(QPolygonF(points2));
//create the first grid, which will then be rotated 3 times.
//we will reuse this grid to create the rasterizations corresponding to this one rotated by 90/180/270°
vector<vector<int> > tetrisGrid;
QRgb yellow = QColor(Qt::yellow).rgb();
int gridWidth = img.width() / cellSize;
int gridHeight = img.height() / cellSize;
int x = 0;
tetrisGrid.resize(gridHeight);
for (int k = 0; k < gridHeight; k++) {
tetrisGrid[k].resize(gridWidth, 0);
}
for (int y = 0; y < img.height(); y++) {
int gridY = y / cellSize;
const uchar* line = img.scanLine(y);
x = 0;
int gridX = 0;
while(x < img.width()) {
gridX = x/cellSize;
if (tetrisGrid[gridY][gridX] == 1) {
x+= cellSize - (x % cellSize); //align with the next x
continue;
}
if (((QRgb*)line)[x] == yellow) tetrisGrid[gridY][gridX] = 1;
++x;
}
}
//create the 4 rasterizations (one every 90°) using the discrete representation grid we've just created
int rotationOffset = rotationNum/4;
for (int j = 0; j < 4; j++) {
if (j != 0) {
tetrisGrid = rotateGridCWise(tetrisGrid);
}
//add the grid to the poly's vector of grids
poly.getGrids(rast_i + rotationOffset*j) = tetrisGrid;
//initializes bottom/left/deltaX/deltaY vectors of the poly, for the current rasterization
poly.initFromGrid(rast_i + rotationOffset*j);
}
painter.end();
}
void GraphGadget::doRender( const Style *style ) const
{
glDisable( GL_DEPTH_TEST );
// render backdrops before anything else
/// \todo Perhaps we need a more general layering system as part
/// of the Gadget system, to allow Gadgets to choose their own layering,
/// and perhaps to also allow one gadget to draw into multiple layers.
for( ChildContainer::const_iterator it=children().begin(); it!=children().end(); it++ )
{
if( (*it)->isInstanceOf( (IECore::TypeId)BackdropNodeGadgetTypeId ) )
{
static_cast<const Gadget *>( it->get() )->render( style );
}
}
// then render connections so they go underneath the nodes
for( ChildContainer::const_iterator it=children().begin(); it!=children().end(); it++ )
{
ConnectionGadget *c = IECore::runTimeCast<ConnectionGadget>( it->get() );
if ( c && c != m_dragReconnectCandidate )
{
c->render( style );
}
}
// render the new drag connections if they exist
if ( m_dragReconnectCandidate )
{
if ( m_dragReconnectDstNodule )
{
const Nodule *srcNodule = m_dragReconnectCandidate->srcNodule();
const NodeGadget *srcNodeGadget = nodeGadget( srcNodule->plug()->node() );
const Imath::V3f srcP = srcNodule->fullTransform( this ).translation();
const Imath::V3f dstP = m_dragReconnectDstNodule->fullTransform( this ).translation();
const Imath::V3f dstTangent = nodeGadget( m_dragReconnectDstNodule->plug()->node() )->noduleTangent( m_dragReconnectDstNodule );
/// \todo: can there be a highlighted/dashed state?
style->renderConnection( srcP, srcNodeGadget->noduleTangent( srcNodule ), dstP, dstTangent, Style::HighlightedState );
}
if ( m_dragReconnectSrcNodule )
{
const Nodule *dstNodule = m_dragReconnectCandidate->dstNodule();
const NodeGadget *dstNodeGadget = nodeGadget( dstNodule->plug()->node() );
const Imath::V3f srcP = m_dragReconnectSrcNodule->fullTransform( this ).translation();
const Imath::V3f dstP = dstNodule->fullTransform( this ).translation();
const Imath::V3f srcTangent = nodeGadget( m_dragReconnectSrcNodule->plug()->node() )->noduleTangent( m_dragReconnectSrcNodule );
/// \todo: can there be a highlighted/dashed state?
style->renderConnection( srcP, srcTangent, dstP, dstNodeGadget->noduleTangent( dstNodule ), Style::HighlightedState );
}
}
// then render the rest on top
for( ChildContainer::const_iterator it=children().begin(); it!=children().end(); it++ )
{
if( !((*it)->isInstanceOf( ConnectionGadget::staticTypeId() )) && !((*it)->isInstanceOf( (IECore::TypeId)BackdropNodeGadgetTypeId )) )
{
static_cast<const Gadget *>( it->get() )->render( style );
}
}
// render drag select thing if needed
if( m_dragMode == Selecting )
{
const ViewportGadget *viewportGadget = ancestor<ViewportGadget>();
ViewportGadget::RasterScope rasterScope( viewportGadget );
Box2f b;
b.extendBy( viewportGadget->gadgetToRasterSpace( V3f( m_dragStartPosition.x, m_dragStartPosition.y, 0 ), this ) );
b.extendBy( viewportGadget->gadgetToRasterSpace( V3f( m_lastDragPosition.x, m_lastDragPosition.y, 0 ), this ) );
style->renderSelectionBox( b );
}
}
MeshPrimitivePtr MeshPrimitive::createPlane( const Box2f &b, const Imath::V2i &divisions )
{
V3fVectorDataPtr pData = new V3fVectorData;
std::vector<V3f> &p = pData->writable();
// add vertices
float xStep = b.size().x / (float)divisions.x;
float yStep = b.size().y / (float)divisions.y;
for ( int i = 0; i <= divisions.y; ++i )
{
for ( int j = 0; j <= divisions.x; ++j )
{
p.push_back( V3f( b.min.x + j * xStep, b.min.y + i * yStep, 0 ) );
}
}
IntVectorDataPtr vertexIds = new IntVectorData;
IntVectorDataPtr verticesPerFace = new IntVectorData;
std::vector<int> &vpf = verticesPerFace->writable();
std::vector<int> &vIds = vertexIds->writable();
FloatVectorDataPtr sData = new FloatVectorData;
FloatVectorDataPtr tData = new FloatVectorData;
std::vector<float> &s = sData->writable();
std::vector<float> &t = tData->writable();
float sStep = 1.0f / (float)divisions.x;
float tStep = 1.0f / (float)divisions.y;
// add faces
int v0, v1, v2, v3;
for ( int i = 0; i < divisions.y; ++i )
{
for ( int j = 0; j < divisions.x; ++j )
{
v0 = j + (divisions.x+1) * i;
v1 = j + 1 + (divisions.x+1) * i;;
v2 = j + 1 + (divisions.x+1) * (i+1);
v3 = j + (divisions.x+1) * (i+1);
vpf.push_back( 4 );
vIds.push_back( v0 );
vIds.push_back( v1 );
vIds.push_back( v2 );
vIds.push_back( v3 );
s.push_back( j * sStep );
s.push_back( (j+1) * sStep );
s.push_back( (j+1) * sStep );
s.push_back( j * sStep );
t.push_back( 1 - i * tStep );
t.push_back( 1 - i * tStep );
t.push_back( 1 - (i+1) * tStep );
t.push_back( 1 - (i+1) * tStep );
}
}
MeshPrimitivePtr result = new MeshPrimitive( verticesPerFace, vertexIds, "linear", pData );
result->variables["s"] = PrimitiveVariable( PrimitiveVariable::FaceVarying, sData );
result->variables["t"] = PrimitiveVariable( PrimitiveVariable::FaceVarying, tData );
return result;
}
void TexViewerModule::draw(Box2f viewport, Box2f screen_viewport, float scale, unsigned int recurse) {
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glBoxToBox(viewport, screen_viewport);
Vector2f s = size();
glBegin(GL_QUADS);
glColor3f(0.0f, 0.0f, 0.0f);
glVertex2f(-0.5f*s.x, -0.5f*s.y);
glVertex2f( 0.5f*s.x, -0.5f*s.y);
glVertex2f( 0.5f*s.x, 0.5f*s.y);
glVertex2f(-0.5f*s.x, 0.5f*s.y);
glEnd();
if (tex_out().tex != 0) {
glDisable(GL_BLEND);
glUseProgramObjectARB(scale_bias_shader->handle);
glUniform1fARB(glGetUniformLocationARB(scale_bias_shader->handle, "scale"), 1.0f);
glUniform1fARB(glGetUniformLocationARB(scale_bias_shader->handle, "bias"), 0.5f);
glColor3f(1.0f, 1.0f, 1.0f);
glEnable(GL_TEXTURE_RECTANGLE_ARB);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex_out().tex);
#ifdef ATI_HACK
set_nearest();
#else
set_linear(); //no ATI_HACK
#endif
float px_size = 2.0f / Graphics::screen_y * viewport.size().x / screen_viewport.size().x * tex_out().height / size().y;
glBegin(GL_QUADS);
glColor3f(0.0f, 0.0f, 0.0f);
glTexCoord2f(0-0.5f * px_size, 0-0.5f * px_size);
glMultiTexCoord2f(GL_TEXTURE1_ARB, 0+0.5f * px_size, 0+0.5f * px_size);
if (rotate) {
glVertex2f(-0.5f*s.x, -0.5f*s.y);
} else {
glVertex2f(-0.5f*s.x, 0.5f*s.y);
}
glTexCoord2f(tex_out().width-0.5f * px_size, 0-0.5f * px_size);
glMultiTexCoord2f(GL_TEXTURE1_ARB, tex_out().width+0.5f * px_size, 0+0.5f * px_size);
if (rotate) {
glVertex2f(-0.5f*s.x, 0.5f*s.y);
} else {
glVertex2f( 0.5f*s.x, 0.5f*s.y);
}
glTexCoord2f(tex_out().width-0.5f * px_size, tex_out().height-0.5f * px_size);
glMultiTexCoord2f(GL_TEXTURE1_ARB, tex_out().width+0.5f * px_size, tex_out().height+0.5f * px_size);
if (rotate) {
glVertex2f( 0.5f*s.x, 0.5f*s.y);
} else {
glVertex2f( 0.5f*s.x, -0.5f*s.y);
}
glTexCoord2f(0-0.5f * px_size, tex_out().height-0.5f * px_size);
glMultiTexCoord2f(GL_TEXTURE1_ARB, 0+0.5f * px_size, tex_out().height+0.5f * px_size);
if (rotate) {
glVertex2f( 0.5f*s.x, -0.5f*s.y);
} else {
glVertex2f(-0.5f*s.x, -0.5f*s.y);
}
glEnd();
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
glDisable(GL_TEXTURE_RECTANGLE_ARB);
glUseProgramObjectARB(0);
glEnable(GL_BLEND);
} else {
glBegin(GL_LINES);
glColor3f(1.0f, 0.0f, 0.0f);
glVertex2f(-0.4f*s.x, -0.4f*s.y);
glVertex2f( 0.4f*s.x, 0.4f*s.y);
glVertex2f( 0.4f*s.x, -0.4f*s.y);
glVertex2f(-0.4f*s.x, 0.4f*s.y);
glEnd();
}
glBegin(GL_LINE_LOOP);
glColor3f(1.0f, 1.0f, 1.0f);
glVertex2f(-0.5f*s.x, -0.5f*s.y);
glVertex2f( 0.5f*s.x, -0.5f*s.y);
glVertex2f( 0.5f*s.x, 0.5f*s.y);
glVertex2f(-0.5f*s.x, 0.5f*s.y);
glEnd();
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
Graphics::gl_errors("TexViewer::draw");
}
void LayersDialog::draw(Box2f viewport, Box2f screen_viewport, float scale, unsigned int recurse) {
if (!subpixel_shader.ref) {
Graphics::ShaderObjectRef frag = Graphics::get_shader_object("ll_shaders/ll_subpixel.glsl", GL_FRAGMENT_SHADER_ARB);
assert(frag.ref);
subpixel_shader = Graphics::get_program_object(frag);
assert(subpixel_shader.ref);
glUseProgramObjectARB(subpixel_shader->handle);
glUniform1iARB(glGetUniformLocationARB(subpixel_shader->handle, "image"), 0);
glUseProgramObjectARB(0);
}
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glBoxToBox(viewport, screen_viewport);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glBegin(GL_QUADS);
glColor3f(0.4f, 0.2f, 0.2f);
glVertex2f(-size().x*0.5f, -size().y*0.5f);
glVertex2f( size().x*0.5f, -size().y*0.5f);
glVertex2f( size().x*0.5f, size().y*0.5f);
glVertex2f(-size().x*0.5f, size().y*0.5f);
glEnd();
if (!layering()) {
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
return;
}
vector< DialogBin > const &bins = layering()->bins;
const float dialog_tween = layering()->dialog_tween;
const unsigned int width = layering()->width;
const unsigned int height = layering()->height;
vector< GLuint > const &textures = layering()->textures;
for (unsigned int b = 0; b < bins.size(); ++b) {
float alpha = bins[b].active?1.0f:0.3f;
Box2f box = bins[b].get_box(dialog_tween);
glBegin(GL_QUADS);
glColor4f(0.5f, 0.5f, 0.6f, alpha * 0.8f);
glVertex2f(box.min.x, box.min.y);
glVertex2f(box.max.x, box.min.y);
glColor4f(0.9f, 0.85f, 0.83f, alpha * 0.8f);
glVertex2f(box.max.x, box.max.y);
glVertex2f(box.min.x, box.max.y);
glEnd();
Box2f tex = bins[b].get_tex_box(dialog_tween);
Vector3f show = bins[b].get_show(dialog_tween, make_vector(width * 0.5f, height * 0.5f, width * 0.5f));
show += bins[b].zoom_out * (make_vector(0.5f * width, 0.5f * height, 0.5f * width) - show);
if (bins[b].layer < textures.size()) {
float px_size = 2.0f / Graphics::screen_y * viewport.size().x / screen_viewport.size().x * show.z / (tex.max.y - tex.min.y);
glUseProgramObjectARB(subpixel_shader->handle);
glUniform1fARB(glGetUniformLocationARB(subpixel_shader->handle, "px_size"), px_size);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, textures[bins[b].layer]);
}
glColor4f(1.0f, 1.0f, 1.0f, alpha);
glBegin(GL_QUADS);
glTexCoord2f(show.x-show.z,show.y-show.z);
glVertex2f(tex.min.x, tex.min.y);
glTexCoord2f(show.x+show.z,show.y-show.z);
glVertex2f(tex.max.x, tex.min.y);
glTexCoord2f(show.x+show.z,show.y+show.z);
glVertex2f(tex.max.x, tex.max.y);
glTexCoord2f(show.x-show.z,show.y+show.z);
glVertex2f(tex.min.x, tex.max.y);
glEnd();
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
glUseProgramObjectARB(0);
//arrows:
float s = box.size().y * (1.0f / 3.0f);
glEnable(GL_POLYGON_SMOOTH);
glBegin(GL_TRIANGLES);
glColor4f(1.0f, 1.0f, 1.0f, 0.5f * alpha * bins[b].arrows);
glVertex2f(box.max.x - s * 1.5f, box.max.y - 0.25 * s);
glVertex2f(box.max.x - s * 0.75f, box.max.y - 1.25 * s);
glVertex2f(box.max.x - s * 2.25f, box.max.y - 1.25 * s);
glVertex2f(box.max.x - s * 1.5f, box.min.y + 0.25 * s);
glVertex2f(box.max.x - s * 0.75f, box.min.y + 1.25 * s);
glVertex2f(box.max.x - s * 2.25f, box.min.y + 1.25 * s);
glEnd();
glDisable(GL_POLYGON_SMOOTH);
glBegin(GL_LINES);
glColor4f(1.0f, 1.0f, 1.0f, 0.5f * alpha * bins[b].arrows);
glVertex2f(tex.max.x + box.size().x * 0.05f, box.center().y);
glVertex2f(box.max.x - box.size().x * 0.05f, box.center().y);
glEnd();
}
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
}