double QwtPlotRescaler::pixelDist( int axis, const QSize &size ) const
{
const QwtInterval intv = intervalHint( axis );
double dist = 0.0;
if ( !intv.isNull() )
{
if ( axis == referenceAxis() )
dist = intv.width();
else
{
const double r = aspectRatio( axis );
if ( r > 0.0 )
dist = intv.width() * r;
}
}
if ( dist > 0.0 )
{
if ( orientation( axis ) == Qt::Horizontal )
dist /= size.width();
else
dist /= size.height();
}
return dist;
}
/*!
Synchronize an axis scale according to the scale of the reference axis
\param axis Axis index ( see QwtPlot::AxisId )
\param reference Interval of the reference axis
\param size Size of the canvas
\return New interval for axis
*/
QwtInterval QwtPlotRescaler::syncScale( int axis,
const QwtInterval& reference, const QSize &size ) const
{
double dist;
if ( orientation( referenceAxis() ) == Qt::Horizontal )
dist = reference.width() / size.width();
else
dist = reference.width() / size.height();
if ( orientation( axis ) == Qt::Horizontal )
dist *= size.width();
else
dist *= size.height();
dist /= aspectRatio( axis );
QwtInterval intv;
if ( rescalePolicy() == Fitting )
intv = intervalHint( axis );
else
intv = interval( axis );
intv = expandInterval( intv, dist, expandingDirection( axis ) );
return intv;
}
void RCViewableTransform::moveToFit(const Eks::BoundingBox &bnds)
{
Eks::Vector3D pos = bnds.centre();
Eks::AxisAlignedBoundingBox bbox(Eks::Frame::XYZ(), bnds);
Eks::Vector3D across = acrossDirection().normalized();
Eks::Vector3D up = upDirection().normalized();
Eks::Vector3D look = lookDirection().normalized();
float minX, maxX;
bbox.maximumExtents(across, minX, maxX);
float minY, maxY;
bbox.maximumExtents(up, minY, maxY);
float minZ, maxZ;
bbox.maximumExtents(look, minZ, maxZ);
float centreX = pos.dot(across);
float centreY = pos.dot(up);
float centreZ = pos.dot(look);
float axisX = std::max(centreX - minX, maxX - centreX) / aspectRatio();
float axisY = std::max(centreY - minY, maxY - centreY);
float minDist = centreZ - minZ;
moveToFit(pos, lookDirection(), std::max(axisX, axisY), minDist);
}
void
WorkflowRenderer::startPreview()
{
if ( m_mainWorkflow->getLengthFrame() <= 0 )
return ;
if ( paramsHasChanged( m_width, m_height, m_outputFps, m_aspectRatio ) == true )
{
m_width = width();
m_height = height();
m_outputFps = outputFps();
m_aspectRatio = aspectRatio();
}
initFilters();
setupRenderer( m_width, m_height, m_outputFps );
m_mainWorkflow->setFullSpeedRender( false );
m_mainWorkflow->startRender( m_width, m_height, m_outputFps );
m_isRendering = true;
m_paused = false;
m_stopping = false;
m_pts = 0;
m_audioPts = 0;
m_sourceRenderer->start();
}
bool VideoPreview::showConfigDialog(QWidget *parent)
{
VideoPreviewConfigDialog d(parent);
d.setVideoFile(videoFile());
d.setDVDDevice(DVDDevice());
d.setCols(cols());
d.setRows(rows());
d.setInitialStep(initialStep());
d.setMaxWidth(maxWidth());
d.setDisplayOSD(displayOSD());
d.setAspectRatio(aspectRatio());
d.setFormat(extractFormat());
d.setSaveLastDirectory(save_last_directory);
if (d.exec() == QDialog::Accepted) {
setVideoFile(d.videoFile());
setDVDDevice(d.DVDDevice());
setCols(d.cols());
setRows(d.rows());
setInitialStep(d.initialStep());
setMaxWidth(d.maxWidth());
setDisplayOSD(d.displayOSD());
setAspectRatio(d.aspectRatio());
setExtractFormat(d.format());
save_last_directory = d.saveLastDirectory();
return true;
}
return false;
}
/// in viewport
void ViewCull::ndc(const Vector3F & cameraP, float & coordx, float & coordy) const
{
float d = -cameraP.z;
if(d<1.f) d= 1.f;
float h_max = d * hfov();
float h_min = -h_max;
float v_max = h_max * aspectRatio();
float v_min = -v_max;
coordx = (cameraP.x/m_overscan - h_min) / (h_max - h_min);
coordy = (cameraP.y/m_overscan/(m_portAspectRatio / aspectRatio() ) - v_min) / (v_max - v_min);
if(coordx < 0.f) coordx = 0.f;
if(coordx > .999f) coordx = .999f;
if(coordy < 0.f) coordy = 0.f;
if(coordy > .999f) coordy = .999f;
}
void OpenCLWaveSimulation::initScene()
{
if(!m_glslProgram->compileShaderFromFile("render_waves.vert", GLSLShader::VERTEX))
{
std::cerr << "Vertex shader failed to compile\n";
std::cerr << "Build Log: " << m_glslProgram->log() << std::endl;
exit(1);
}
if(!m_glslProgram->compileShaderFromFile("render_waves.frag", GLSLShader::FRAGMENT))
{
std::cerr << "Fragment shader failed to compile\n";
std::cerr << "Build Log: " << m_glslProgram->log() << std::endl;
exit(1);
}
// bindAttribLocation or bindFragDataLocation here
m_glslProgram->bindAttribLocation(0, "vPos");
m_glslProgram->bindAttribLocation(1, "vNormal");
m_glslProgram->bindAttribLocation(2, "vTangent");
m_glslProgram->bindFragDataLocation(0, "FragColor");
if(!m_glslProgram->link())
{
std::cerr << "Shader program failed to link\n";
std::cerr << "Link Log: " << m_glslProgram->log() << std::endl;
}
m_glslProgram->use();
m_glslProgram->printActiveAttribs();
m_glslProgram->printActiveUniforms();
std::cout << std::endl;
// init uniforms
m_modelM = glm::mat4(1.0f);
m_viewM = glm::lookAt(glm::vec3(0.0f, 0.0f, 5.0f), glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 1.0f, 0.0f));
m_projM = glm::perspective(glm::degrees(0.25f * MathUtils::Pi), aspectRatio(), 1.0f, 2048.0f);
m_worldInvTransposeM = glm::transpose(glm::inverse(glm::mat3(m_modelM)));
// light, material and camera
m_materialAmbient = glm::vec4(0.137f, 0.42f, 0.556f, 1.0f);
m_materialDiffuse = glm::vec4(0.137f, 0.42f, 0.556f, 1.0f);
m_materialSpecular = glm::vec4(0.8f, 0.8f, 0.8f, 96.0f);
m_lightDir = glm::vec3(0.0f, -1.0f, 0.1f);
m_lightAmbient = glm::vec4(0.2f, 0.2f, 0.2f, 1.0f);
m_lightDiffuse = glm::vec4(0.5f, 0.5f, 0.5f, 1.0f);
m_lightSpecular = glm::vec4(0.5f, 0.5f, 0.5f, 1.0f);
m_glslProgram->setUniform("materialAmbient", m_materialAmbient);
m_glslProgram->setUniform("materialDiffuse", m_materialDiffuse);
m_glslProgram->setUniform("materialSpecular", m_materialSpecular);
m_glslProgram->setUniform("lightDir", m_lightDir);
m_glslProgram->setUniform("lightAmbient", m_lightAmbient);
m_glslProgram->setUniform("lightDiffuse", m_lightDiffuse);
m_glslProgram->setUniform("lightSpecular", m_lightSpecular);
buildWaveGrid();
}
/*!
Update the axes scales
\param intervals Scale intervals
*/
void QwtPlotRescaler::updateScales(
QwtInterval intervals[QwtPlot::axisCnt] ) const
{
if ( d_data->inReplot >= 5 )
{
return;
}
QwtPlot *plt = const_cast<QwtPlot *>( plot() );
const bool doReplot = plt->autoReplot();
plt->setAutoReplot( false );
for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
{
if ( axis == referenceAxis() || aspectRatio( axis ) > 0.0 )
{
double v1 = intervals[axis].minValue();
double v2 = intervals[axis].maxValue();
if ( plt->axisScaleDiv( axis )->lowerBound() >
plt->axisScaleDiv( axis )->upperBound() )
{
qSwap( v1, v2 );
}
if ( d_data->inReplot >= 1 )
{
d_data->axisData[axis].scaleDiv = *plt->axisScaleDiv( axis );
}
if ( d_data->inReplot >= 2 )
{
QList<double> ticks[QwtScaleDiv::NTickTypes];
for ( int i = 0; i < QwtScaleDiv::NTickTypes; i++ )
ticks[i] = d_data->axisData[axis].scaleDiv.ticks( i );
plt->setAxisScaleDiv( axis, QwtScaleDiv( v1, v2, ticks ) );
}
else
{
plt->setAxisScale( axis, v1, v2 );
}
}
}
const bool immediatePaint =
plt->canvas()->testPaintAttribute( QwtPlotCanvas::ImmediatePaint );
plt->canvas()->setPaintAttribute( QwtPlotCanvas::ImmediatePaint, false );
plt->setAutoReplot( doReplot );
d_data->inReplot++;
plt->replot();
d_data->inReplot--;
plt->canvas()->setPaintAttribute(
QwtPlotCanvas::ImmediatePaint, immediatePaint );
}
osg::Matrix OculusDevice::projectionCenterMatrix() const
{
osg::Matrix projectionMatrix;
float halfScreenDistance = vScreenSize() * 0.5f * distortionScale();
float yFov = (180.0f/3.14159f) * 2.0f * atan(halfScreenDistance / eyeToScreenDistance());
projectionMatrix.makePerspective(yFov, aspectRatio(), m_nearClip, m_farClip);
return projectionMatrix;
}
void OpenCLWaveSimulation::onResize(int w, int h)
{
m_width = w;
m_height = h;
glViewport(0, 0, m_width, m_height);
m_projM = glm::perspective(glm::degrees(0.25f * MathUtils::Pi), aspectRatio(), 1.0f, 2048.0f);
glutPostRedisplay();
}
bool
WorkflowRenderer::paramsHasChanged( quint32 width, quint32 height, double fps, QString aspect )
{
quint32 newWidth = this->width();
quint32 newHeight = this->height();
float newOutputFps = outputFps();
const QString newAspectRatio = aspectRatio();
return ( newWidth != width || newHeight != height ||
newOutputFps != fps || newAspectRatio != aspect );
}
/*!
Update the axes scales
\param intervals Scale intervals
*/
void QwtPlotRescaler::updateScales(
QwtDoubleInterval intervals[QwtPlot::axisCnt]) const
{
if ( d_data->inReplot >= 5 )
{
return;
}
QwtPlot *plt = (QwtPlot *)plot();
const bool doReplot = plt->autoReplot();
plt->setAutoReplot(false);
for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
{
if ( axis == referenceAxis() || aspectRatio(axis) > 0.0 )
{
double v1 = intervals[axis].minValue();
double v2 = intervals[axis].maxValue();
if ( plt->axisScaleDiv(axis)->lowerBound() >
plt->axisScaleDiv(axis)->upperBound() )
{
qSwap(v1, v2);
}
if ( d_data->inReplot >= 1 )
{
d_data->axisData[axis].scaleDiv = *plt->axisScaleDiv(axis);
}
if ( d_data->inReplot >= 2 )
{
QwtValueList ticks[QwtScaleDiv::NTickTypes];
for ( int i = 0; i < QwtScaleDiv::NTickTypes; i++ )
ticks[i] = d_data->axisData[axis].scaleDiv.ticks(i);
plt->setAxisScaleDiv(axis, QwtScaleDiv(v1, v2, ticks));
}
else
{
plt->setAxisScale(axis, v1, v2);
}
}
}
plt->setAutoReplot(doReplot);
d_data->inReplot++;
plt->replot();
d_data->inReplot--;
}
void Gradient::paint(CGContextRef context)
{
CGGradientDrawingOptions extendOptions = kCGGradientDrawsBeforeStartLocation | kCGGradientDrawsAfterEndLocation;
if (!m_radial) {
CGContextDrawLinearGradient(context, platformGradient(), m_p0, m_p1, extendOptions);
return;
}
bool needScaling = aspectRatio() != 1;
if (needScaling) {
CGContextSaveGState(context);
// Scale from the center of the gradient. We only ever scale non-deprecated gradients,
// for which m_p0 == m_p1.
ASSERT(m_p0 == m_p1);
CGContextTranslateCTM(context, m_p0.x(), m_p0.y());
CGContextScaleCTM(context, 1, 1 / aspectRatio());
CGContextTranslateCTM(context, -m_p0.x(), -m_p0.y());
}
CGContextDrawRadialGradient(context, platformGradient(), m_p0, m_r0, m_p1, m_r1, extendOptions);
if (needScaling)
CGContextRestoreGState(context);
}
void DkCropToolBar::on_horValBox_valueChanged(double) {
DkVector diag = DkVector((float)horValBox->value(), (float)verValBox->value());
emit aspectRatio(diag);
QString rs = QString::number(horValBox->value()) + ":" + QString::number(verValBox->value());
int idx = ratioBox->findText(rs);
if (idx != -1)
ratioBox->setCurrentIndex(idx);
else if (horValBox->value() == 0 && verValBox->value() == 0)
ratioBox->setCurrentIndex(0);
else
ratioBox->setCurrentIndex(1);
}
void
WorkflowRenderer::setupRenderer( quint32 width, quint32 height, double fps )
{
m_source->setWidth( width );
m_source->setHeight( height );
m_source->setFps( fps );
m_source->setAspectRatio( qPrintable( aspectRatio() ) );
m_source->setNumberChannels( m_nbChannels );
m_source->setSampleRate( m_rate );
m_esHandler->fps = fps;
delete m_sourceRenderer;
m_sourceRenderer = m_source->createRenderer( m_eventWatcher );
m_sourceRenderer->setName( "WorkflowRenderer" );
m_sourceRenderer->enableMemoryInput( m_esHandler, getLockCallback(), getUnlockCallback() );
m_sourceRenderer->setOutputWidget( (void *) static_cast< RenderWidget* >( m_renderWidget )->id() );
}
void Camera::setup()
{
const Point3d cameraVector = lookAt() - position();
// Calculate length of vector perpendicular to camera vector.
const Float d = cameraVector.length();
const Float f = fov()*.5;
const Float lenHorizontal = std::sin(f)*(d / std::cos(f));
const Float lenVertical = lenHorizontal / aspectRatio();
const Point3d tmpDown(math3d::make_vec(0, -1, 0));
const Point3d perpendicularLeft = norm(cross(cameraVector, tmpDown)) * (lenHorizontal * 0.5);
const Point3d perpendicularDown = norm(cross(perpendicularLeft, cameraVector))*(lenVertical*0.5);
topLeft_ = lookAt() + perpendicularLeft - perpendicularDown - position();
topRight_ = lookAt() - perpendicularLeft - perpendicularDown - position();
bottomLeft_ = lookAt() + perpendicularLeft + perpendicularDown - position();
bottomRight_ = lookAt() - perpendicularLeft + perpendicularDown - position();
}
/*!
Adjust the plot axes scales
\param oldSize Previous size of the canvas
\param newSize New size of the canvas
*/
void QwtPlotRescaler::rescale(
const QSize &oldSize, const QSize &newSize ) const
{
if ( newSize.isEmpty() )
return;
QwtInterval intervals[QwtPlot::axisCnt];
for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
intervals[axis] = interval( axis );
const int refAxis = referenceAxis();
intervals[refAxis] = expandScale( refAxis, oldSize, newSize );
for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
{
if ( aspectRatio( axis ) > 0.0 && axis != refAxis )
intervals[axis] = syncScale( axis, intervals[refAxis], newSize );
}
updateScales( intervals );
}
int LimitSqueezeTaskbarLayout::optimumCapacity() const {
const QRectF effectiveRect(effectiveGeometry());
const QList<TaskbarItem*> & items = this->items();
const int N = items.size();
const bool isVertical = orientation() == Qt::Vertical;
const qreal availableHeight = isVertical ? effectiveRect.width() : effectiveRect.height();
const qreal availableWidth = isVertical ? effectiveRect.height() : effectiveRect.width();
const qreal spacing = this->spacing();
qreal thisRowWidth = 0;
int numberGrouped = 0;
#define CELL_HEIGHT(ROWS) (((availableHeight + spacing) / ((qreal) (ROWS))) - spacing)
int cellHeight = CELL_HEIGHT(m_rows);
int cellWidth = cellHeight * aspectRatio();
for (int i =0; i < items.size(); i++) {
thisRowWidth += this->spacing() + itemAt(i)->task()->taskCount() * (cellWidth +
(itemAt(i)->isExpanded()) * expandedWidth());
if (itemAt(i)->task()->type() == Task::GroupItem) {
++ numberGrouped;
}
}
qreal compression = (m_rows * availableWidth) / thisRowWidth;
// group when there is not enough place
if ((compression < (m_squeezeRatio + (m_preferGrouping ? 0.1 : 0.0)) && (m_rows == maximumRows() || m_preferGrouping))
// stay grouped when number of rows grows
|| ( m_rows > minimumRows() && m_preferGrouping )
// should prevent ungrouping when nubmer of rows is changed (not perfeect)
|| (m_rows == maximumRows() - 1 && numberGrouped > 0 && m_preferGrouping == 0 && compression < m_squeezeRatio)
) {
return N - 1; //now it is the right size
}
else {
return N + 10;
}
}
void AtkinsPageLayout::addLayoutItem(int key, const QSizeF& size)
{
double relativeArea = absoluteArea(size) / absoluteArea(d->pageRect.size());
addLayoutItem(key, aspectRatio(size), relativeArea);
}
void LimitSqueezeTaskbarLayout::doLayout() {
// I think this way the loops can be optimized by the compiler.
// (lifting out the comparison and making two loops; TODO: find out whether this is true):
const bool isVertical = orientation() == Qt::Vertical;
const QList<TaskbarItem*>& items = this->items();
const int N = items.size();
// if there is nothing to layout fill in some dummy data and leave
if (N == 0) {
stopAnimation();
QRectF rect(geometry());
m_rows = 1;
if (isVertical) {
m_cellHeight = rect.width();
}
else {
m_cellHeight = rect.height();
}
QSizeF newPreferredSize(qMin(10.0, rect.width()), qMin(10.0, rect.height()));
if (newPreferredSize != m_preferredSize) {
m_preferredSize = newPreferredSize;
emit sizeHintChanged(Qt::PreferredSize);
}
return;
}
const QRectF effectiveRect(effectiveGeometry());
const qreal availableWidth = isVertical ? effectiveRect.height() : effectiveRect.width();
const qreal availableHeight = isVertical ? effectiveRect.width() : effectiveRect.height();
const qreal spacing = this->spacing();
int rows = minimumRows() - 1;
qreal cellHeight = 0.0;
qreal cellWidth = 0.0;
QList<RowInfo> rowInfos;
qreal maxPreferredRowWidth = 0.0;
qreal compression = 1.0;
qreal thisRowWidth = 0.0;
int expandedHoverItemCount = 0; // if there is some icon expanded by mouse
int expandedItemCount = 0;
for (int index = 0; index < N; ++ index) {
// icon is hovered by mouse
if (itemAt(index)->isExpandedByHover()) {
++ expandedHoverItemCount;
}
if (itemAt(index)->isExpanded()) {
++ expandedItemCount;
}
}
// determine the number of rows
while (rows < maximumRows()) {
++ rows;
cellHeight = CELL_HEIGHT(rows);
cellWidth = cellHeight * aspectRatio();
thisRowWidth = N * (cellWidth + spacing) +
(expandedItemCount - expandedHoverItemCount) * expandedWidth(); // suppress the expansion by hover
compression = qMin((rows * availableWidth) / thisRowWidth, 1.0);
if (rows * availableWidth > (thisRowWidth - N * cellWidth) * m_squeezeRatio + N * cellWidth / (rows + 1)) {
break;
}
}
// distribution of items, determine:
// * the preferred size each single row
// * spacings of each row (can be derived of number of elements in row)
// * the start and end index of each row
// * the maximal preferred row width (as the preferred width for sizeHint)
int startIndex = 0;
int endIndex = 0;
int index = 0;
for (int row = 0; row < rows && endIndex < N; ++ row) {
startIndex = endIndex;
expandedHoverItemCount = 0;
expandedItemCount = 0;
// determine number of items in one row
for (index = startIndex; index < N; ++ index) {
if (itemAt(index)->isExpandedByHover()) {
++ expandedHoverItemCount;
}
if (itemAt(index)->isExpanded()) {
++ expandedItemCount;
}
thisRowWidth = (index - startIndex) * (cellWidth + spacing) +
(expandedItemCount - expandedHoverItemCount) * expandedWidth();
// the 0.9 is here to prefer higher rows
if (availableWidth < compression * thisRowWidth * 0.9) {
break;
}
}
if (row + 1 == rows) {
endIndex = N;
}
else {
if (startIndex == index) { // prevents empty rows
++ index;
}
endIndex = qMin(N, index);
}
qreal rowSpacing = spacing * (endIndex - startIndex);
thisRowWidth = 0.0;
qreal thisRowMinWidth = 0.0;
for (int index = startIndex; index < endIndex; ++ index) {
thisRowWidth += cellWidth + items[index]->expansion;
thisRowMinWidth += cellWidth;
}
if (thisRowWidth + rowSpacing > maxPreferredRowWidth) {
maxPreferredRowWidth = thisRowWidth + rowSpacing;
}
if (startIndex != endIndex) {
rowInfos.append(RowInfo(thisRowWidth, thisRowMinWidth, startIndex, endIndex));
}
}
// if we assumed expanded there still might be empty row
// therefore just scale up the layout (maybe do only this and not the other way of row removal)
rows = qMax(minimumRows(), rowInfos.size());
cellHeight = CELL_HEIGHT(rows);
updateLayout(rows, cellWidth, cellHeight, availableWidth, maxPreferredRowWidth, rowInfos, effectiveRect);
m_rows = rows;
m_compresion = compression;
#undef CELL_HEIGHT
}
SkShader* Gradient::shader()
{
if (m_gradient)
return m_gradient.get();
sortStopsIfNecessary();
ASSERT(m_stopsSorted);
size_t countUsed = totalStopsNeeded(m_stops.data(), m_stops.size());
ASSERT(countUsed >= 2);
ASSERT(countUsed >= m_stops.size());
// FIXME: Why is all this manual pointer math needed?!
SkAutoMalloc storage(countUsed * (sizeof(SkColor) + sizeof(SkScalar)));
SkColor* colors = (SkColor*)storage.get();
SkScalar* pos = (SkScalar*)(colors + countUsed);
fillStops(m_stops.data(), m_stops.size(), pos, colors);
SkShader::TileMode tile = SkShader::kClamp_TileMode;
switch (m_spreadMethod) {
case SpreadMethodReflect:
tile = SkShader::kMirror_TileMode;
break;
case SpreadMethodRepeat:
tile = SkShader::kRepeat_TileMode;
break;
case SpreadMethodPad:
tile = SkShader::kClamp_TileMode;
break;
}
uint32_t shouldDrawInPMColorSpace = m_drawInPMColorSpace ? SkGradientShader::kInterpolateColorsInPremul_Flag : 0;
if (m_radial) {
// Since the two-point radial gradient is slower than the plain radial,
// only use it if we have to.
if (m_p0 == m_p1 && m_r0 <= 0.0f) {
m_gradient = adoptRef(SkGradientShader::CreateRadial(m_p1, m_r1, colors, pos, static_cast<int>(countUsed), tile, 0, shouldDrawInPMColorSpace));
} else {
// The radii we give to Skia must be positive. If we're given a
// negative radius, ask for zero instead.
SkScalar radius0 = m_r0 >= 0.0f ? WebCoreFloatToSkScalar(m_r0) : 0;
SkScalar radius1 = m_r1 >= 0.0f ? WebCoreFloatToSkScalar(m_r1) : 0;
m_gradient = adoptRef(SkGradientShader::CreateTwoPointConical(m_p0, radius0, m_p1, radius1, colors, pos, static_cast<int>(countUsed), tile, 0, shouldDrawInPMColorSpace));
}
if (aspectRatio() != 1) {
// CSS3 elliptical gradients: apply the elliptical scaling at the
// gradient center point.
m_gradientSpaceTransformation.translate(m_p0.x(), m_p0.y());
m_gradientSpaceTransformation.scale(1, 1 / aspectRatio());
m_gradientSpaceTransformation.translate(-m_p0.x(), -m_p0.y());
ASSERT(m_p0 == m_p1);
}
} else {
SkPoint pts[2] = { m_p0, m_p1 };
m_gradient = adoptRef(SkGradientShader::CreateLinear(pts, colors, pos, static_cast<int>(countUsed), tile, 0, shouldDrawInPMColorSpace));
}
if (!m_gradient) {
// use last color, since our "geometry" was degenerate (e.g. radius==0)
m_gradient = adoptRef(new SkColorShader(colors[countUsed - 1]));
} else {
m_gradient->setLocalMatrix(affineTransformToSkMatrix(m_gradientSpaceTransformation));
}
return m_gradient.get();
}
AtkinsPageLayout::AtkinsPageLayout(const QRectF& pageRect)
: d(new Private)
{
d->pageRect = pageRect;
d->tree = new LayoutTree(aspectRatio(d->pageRect.size()), absoluteArea(d->pageRect.size()));
}
osg::Vec2f OculusDevice::scaleIn() const
{
return osg::Vec2f(2.0f, 2.0f/aspectRatio());
}
osg::Vec2f OculusDevice::scale() const
{
float scaleFactor = 1.0f/distortionScale();
return osg::Vec2f(0.5*scaleFactor, 0.5f*scaleFactor*aspectRatio());
}
sk_sp<SkShader> Gradient::createShader()
{
sortStopsIfNecessary();
ASSERT(m_stopsSorted);
size_t countUsed = totalStopsNeeded(m_stops.data(), m_stops.size());
ASSERT(countUsed >= 2);
ASSERT(countUsed >= m_stops.size());
ColorStopOffsetVector pos(countUsed);
ColorStopColorVector colors(countUsed);
fillStops(m_stops.data(), m_stops.size(), pos, colors);
SkShader::TileMode tile = SkShader::kClamp_TileMode;
switch (m_spreadMethod) {
case SpreadMethodReflect:
tile = SkShader::kMirror_TileMode;
break;
case SpreadMethodRepeat:
tile = SkShader::kRepeat_TileMode;
break;
case SpreadMethodPad:
tile = SkShader::kClamp_TileMode;
break;
}
sk_sp<SkShader> shader;
uint32_t shouldDrawInPMColorSpace = m_drawInPMColorSpace ? SkGradientShader::kInterpolateColorsInPremul_Flag : 0;
if (m_radial) {
if (aspectRatio() != 1) {
// CSS3 elliptical gradients: apply the elliptical scaling at the
// gradient center point.
m_gradientSpaceTransformation.translate(m_p0.x(), m_p0.y());
m_gradientSpaceTransformation.scale(1, 1 / aspectRatio());
m_gradientSpaceTransformation.translate(-m_p0.x(), -m_p0.y());
ASSERT(m_p0 == m_p1);
}
SkMatrix localMatrix = affineTransformToSkMatrix(m_gradientSpaceTransformation);
// Since the two-point radial gradient is slower than the plain radial,
// only use it if we have to.
if (m_p0 == m_p1 && m_r0 <= 0.0f) {
shader = SkGradientShader::MakeRadial(m_p1.data(), m_r1, colors.data(), pos.data(), static_cast<int>(countUsed), tile, shouldDrawInPMColorSpace, &localMatrix);
} else {
// The radii we give to Skia must be positive. If we're given a
// negative radius, ask for zero instead.
SkScalar radius0 = m_r0 >= 0.0f ? WebCoreFloatToSkScalar(m_r0) : 0;
SkScalar radius1 = m_r1 >= 0.0f ? WebCoreFloatToSkScalar(m_r1) : 0;
shader = SkGradientShader::MakeTwoPointConical(m_p0.data(), radius0, m_p1.data(), radius1, colors.data(), pos.data(), static_cast<int>(countUsed), tile, shouldDrawInPMColorSpace, &localMatrix);
}
} else {
SkPoint pts[2] = { m_p0.data(), m_p1.data() };
SkMatrix localMatrix = affineTransformToSkMatrix(m_gradientSpaceTransformation);
shader = SkGradientShader::MakeLinear(pts, colors.data(), pos.data(), static_cast<int>(countUsed), tile, shouldDrawInPMColorSpace, &localMatrix);
}
if (!shader) {
// use last color, since our "geometry" was degenerate (e.g. radius==0)
shader = SkShader::MakeColorShader(colors[countUsed - 1]);
}
return shader;
}
void ObjLoaderDemo::onResize()
{
RenderCore::onResize();
mCam.SetLens(0.25f*MathHelper::Pi, aspectRatio(), 1.f, 1000.f);
}
void LightingDemo2::onResize()
{
RenderCore::onResize();
mCam.SetLens(0.25f*MathHelper::Pi, aspectRatio(), 1.f, 1000.f);
}
SkShader* Gradient::platformGradient()
{
if (m_gradient)
return m_gradient;
sortStopsIfNecessary();
ASSERT(m_stopsSorted);
size_t countUsed = totalStopsNeeded(m_stops.data(), m_stops.size());
ASSERT(countUsed >= 2);
ASSERT(countUsed >= m_stops.size());
// FIXME: Why is all this manual pointer math needed?!
SkAutoMalloc storage(countUsed * (sizeof(SkColor) + sizeof(SkScalar)));
SkColor* colors = (SkColor*)storage.get();
SkScalar* pos = (SkScalar*)(colors + countUsed);
fillStops(m_stops.data(), m_stops.size(), pos, colors);
SkShader::TileMode tile = SkShader::kClamp_TileMode;
switch (m_spreadMethod) {
case SpreadMethodReflect:
tile = SkShader::kMirror_TileMode;
break;
case SpreadMethodRepeat:
tile = SkShader::kRepeat_TileMode;
break;
case SpreadMethodPad:
tile = SkShader::kClamp_TileMode;
break;
}
if (m_radial) {
// Since the two-point radial gradient is slower than the plain radial,
// only use it if we have to.
if (m_p0 == m_p1 && m_r0 <= 0.0f) {
// The radius we give to Skia must be positive (and non-zero). If
// we're given a zero radius, just ask for a very small radius so
// Skia will still return an object.
SkScalar radius = m_r1 > 0 ? WebCoreFloatToSkScalar(m_r1) : WebCoreFloatToSkScalar(FLT_EPSILON);
m_gradient = SkGradientShader::CreateRadial(m_p1, radius, colors, pos, static_cast<int>(countUsed), tile);
} else {
// The radii we give to Skia must be positive. If we're given a
// negative radius, ask for zero instead.
SkScalar radius0 = m_r0 >= 0.0f ? WebCoreFloatToSkScalar(m_r0) : 0;
SkScalar radius1 = m_r1 >= 0.0f ? WebCoreFloatToSkScalar(m_r1) : 0;
m_gradient = SkGradientShader::CreateTwoPointRadial(m_p0, radius0, m_p1, radius1, colors, pos, static_cast<int>(countUsed), tile);
}
if (aspectRatio() != 1) {
// CSS3 elliptical gradients: apply the elliptical scaling at the
// gradient center point.
m_gradientSpaceTransformation.translate(m_p0.x(), m_p0.y());
m_gradientSpaceTransformation.scale(1, 1 / aspectRatio());
m_gradientSpaceTransformation.translate(-m_p0.x(), -m_p0.y());
ASSERT(m_p0 == m_p1);
}
} else {
SkPoint pts[2] = { m_p0, m_p1 };
m_gradient = SkGradientShader::CreateLinear(pts, colors, pos, static_cast<int>(countUsed), tile);
}
ASSERT(m_gradient);
SkMatrix matrix = m_gradientSpaceTransformation;
m_gradient->setLocalMatrix(matrix);
return m_gradient;
}
void Settings::writeSettings()
{
setValue(KEY_LANGUAGE, language());
setValue(KEY_SESSION_AUTOPLAY, sessionAutoplay());
setValue(KEY_SESSION_CHANNEL, sessionChannel());
setValue(KEY_SESSION_REMEMBER_VOLUME, sessionRememberVolume());
setValue(KEY_SESSION_VOLUME, sessionVolume());
if (globalConfig && globalConfig->disableSettings("channels")) {
remove("channels");
} else {
setValue(KEY_PLAYLIST, playlist());
setValue(KEY_PLAYLIST_UPDATE, playlistUpdate());
setValue(KEY_PLAYLIST_UPDATE_URL, playlistUpdateUrl());
setValue(KEY_RADIO_CATEGORY, radioCategory());
setValue(KEY_HD_CATEGORY, hdCategory());
setValue(KEY_UDPXY, udpxy());
setValue(KEY_UDPXY_URL, udpxyUrl());
setValue(KEY_UDPXY_PORT, udpxyPort());
}
if (globalConfig && globalConfig->disableSettings("gui")) {
remove("gui");
} else {
setValue(KEY_WIDTH, width());
setValue(KEY_HEIGHT, height());
setValue(KEY_POS_X, posX());
setValue(KEY_POS_Y, posY());
setValue(KEY_OSD, osd());
setValue(KEY_TRAY_ENABLED, trayEnabled());
setValue(KEY_HIDE_TO_TRAY, hideToTray());
setValue(KEY_MOUSE_WHEEL, mouseWheel());
setValue(KEY_REMEMBER_GUI_SESSION, rememberGuiSession());
setValue(KEY_ICONS, icons());
}
if (globalConfig && globalConfig->disableSettings("backend")) {
remove("backend");
} else {
setValue(KEY_VOUT, vout());
setValue(KEY_AOUT, aout());
setValue(KEY_YUV_TO_RGB, yuvToRgb());
setValue(KEY_SPDIF, spdif());
setValue(KEY_REMEMBER_VIDEO_SETTINGS, rememberVideoSettings());
setValue(KEY_REMEMBER_VIDEO_PER_CHANNEL, rememberVideoPerChannel());
setValue(KEY_ASPECT_RATIO, aspectRatio());
setValue(KEY_CROP_RATIO, cropRatio());
setValue(KEY_DEINTERLACING, deinterlacing());
setValue(KEY_AUDIO_LANGUAGE, audioLanguage());
setValue(KEY_SUBTITLE_LANGUAGE, subtitleLanguage());
setValue(KEY_MUTE_ON_MINIMIZE, muteOnMinimize());
setValue(KEY_TELETEXT, teletext());
}
if (globalConfig && globalConfig->disableSettings("recorder")) {
remove("recorder");
} else {
setValue(KEY_RECORDER_DIRECTORY, recorderDirectory());
setValue(KEY_SNAPSHOTS_DIRECTORY, snapshotsDirectory());
}
if (globalConfig && globalConfig->disableSettings("xmltv")) {
remove("xmltv");
} else {
setValue(KEY_XMLTV_UPDATE, xmltvUpdate());
setValue(KEY_XMLTV_UPDATE_LOCATION, xmltvUpdateLocation());
setValue(KEY_XMLTV_UPDATE_REMOTE, xmltvUpdateRemote());
}
sync();
}
