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#include "displaygroup.h"

using namespace Mildred;

* Targets

// Add target data entity to group

void DisplayGroup::addTarget(Mildred::DataEntity *entity)

{

auto it = std::find(targets_.begin(), targets_.end(), entity);

if (it != targets_.end())

return;

targets_.emplace_back(entity);

applyToEntity(entity, targets_.size() - 1);

}

// Remove data entity from group

void DisplayGroup::removeTarget(DataEntity *entity)

{

auto it = std::remove(targets_.begin(), targets_.end(), entity);

if (it != targets_.end())

targets_.erase(it);

// TODO update all entities

}

* Colouring

// Stock Colours

QColor StockColours[] = {

QColor(0, 0, 0), /* BlackStockColour */

QColor(200, 0, 0), /* RedStockColour */

QColor(0, 200, 0), /* GreenStockColour */

QColor(0, 0, 200), /* BlueStockColour */

QColor(200, 0, 200), /* PurpleStockColour */

QColor(0, 200, 200), /* CyanStockColour */

QColor(255, 128, 0), /* OrangeStockColour */

QColor(255, 100, 255), /* PinkStockColour */

QColor(255, 100, 100), /* LightRedStockColour */

QColor(100, 255, 100), /* LightGreenStockColour */

QColor(100, 100, 255), /* LightBlueStockColour */

QColor(128, 128, 128), /* SilverStockColour */

QColor(128, 128, 50) /* GoldStockColour */

};

// Set colour policy for the group

void DisplayGroup::setColourPolicy(DisplayGroup::ColourPolicy policy)

{

if (colourPolicy_ == policy)

return;

colourPolicy_ = policy;

apply();

}

// Return colour policy for the group

DisplayGroup::ColourPolicy DisplayGroup::colourPolicy() const { return colourPolicy_; }

// Set single colour

void DisplayGroup::setSingleColour(QColor colour)

{

singleColour_ = colour;

if (colourPolicy_ == ColourPolicy::Single)

apply();

}

// Return single colour

QColor DisplayGroup::singleColour() const { return singleColour_; }

// Set stock colour

void DisplayGroup::setStockColour(StockColour colour)

{

stockColour_ = colour;

if (colourPolicy_ == ColourPolicy::Stock)

apply();

}

// Return stock colour

DisplayGroup::StockColour DisplayGroup::stockColour() const { return stockColour_; }

// Set gradient to apply

void DisplayGroup::setGradient(const ColourDefinition &gradient)

{

gradient_ = gradient;

if (colourPolicy_ == ColourPolicy::Gradient)

apply();

}

// Return gradient to apply

const ColourDefinition &DisplayGroup::gradient() const { return gradient_; }

* Update

// Apply colours and transforms to specified entity

void DisplayGroup::applyToEntity(DataEntity *entity, int groupIndex)

{

// Colour

switch (colourPolicy_)

{

case (ColourPolicy::None):

entity->removeColourOverride();

break;

case (ColourPolicy::Stock):

entity->setColourOverride(ColourDefinition(StockColours[stockColour_]));

break;

case (ColourPolicy::Single):

entity->setColourOverride(ColourDefinition(singleColour_));

break;

case (ColourPolicy::Varying):

entity->setColourOverride(ColourDefinition(StockColours[groupIndex % nStockColours]));

break;

case (ColourPolicy::Gradient):

entity->setColourOverride(gradient_);

break;

}

// Apply colours and transforms to all targeted entities

void DisplayGroup::apply()

{

auto index = 0;

for (auto &entity : targets_)

applyToEntity(entity, index++);

}

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