nodeeditor/src/ConnectionStyle.cpp at exmix-master · DigitalPulseSoftware/nodeeditor · GitHub

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#include "ConnectionStyle.hpp"

#include <iostream>

#include <QtCore/QFile>

#include <QtCore/QJsonDocument>

#include <QtCore/QJsonObject>

#include <QtCore/QJsonValueRef>

#include <QtCore/QJsonArray>

#include <QDebug>

#include "StyleCollection.hpp"

using QtNodes::ConnectionStyle;

inline void initResources() { Q_INIT_RESOURCE(resources); }

ConnectionStyle::

ConnectionStyle()

{

// Explicit resources inialization for preventing the static initialization

// order fiasco: https://isocpp.org/wiki/faq/ctors#static-init-order

initResources();

// This configuration is stored inside the compiled unit and is loaded statically

loadJsonFile(":DefaultStyle.json");

}

ConnectionStyle::

ConnectionStyle(QString jsonText)

{

loadJsonFile(":DefaultStyle.json");

loadJsonText(jsonText);

}

void

ConnectionStyle::

setConnectionStyle(QString jsonText)

{

ConnectionStyle style(jsonText);

StyleCollection::setConnectionStyle(style);

}

#ifdef STYLE_DEBUG

#define CONNECTION_STYLE_CHECK_UNDEFINED_VALUE(v, variable) { \

if (v.type() == QJsonValue::Undefined || \

v.type() == QJsonValue::Null) \

qWarning() << "Undefined value for parameter:" << #variable; \

}

#else

#define CONNECTION_STYLE_CHECK_UNDEFINED_VALUE(v, variable)

#endif

#define CONNECTION_VALUE_EXISTS(v) \

(v.type() != QJsonValue::Undefined && \

v.type() != QJsonValue::Null)

#define CONNECTION_STYLE_READ_COLOR(values, variable) { \

auto valueRef = values[#variable]; \

CONNECTION_STYLE_CHECK_UNDEFINED_VALUE(valueRef, variable) \

if (CONNECTION_VALUE_EXISTS(valueRef)) {\

if (valueRef.isArray()) { \

auto colorArray = valueRef.toArray(); \

std::vector<int> rgb; rgb.reserve(3); \

for (auto it = colorArray.begin(); it != colorArray.end(); ++it) { \

rgb.push_back((*it).toInt()); \

} \

variable = QColor(rgb[0], rgb[1], rgb[2]); \

} else { \

variable = QColor(valueRef.toString()); \

} \

}

#define CONNECTION_STYLE_READ_FLOAT(values, variable) { \

auto valueRef = values[#variable]; \

CONNECTION_STYLE_CHECK_UNDEFINED_VALUE(valueRef, variable) \

if (CONNECTION_VALUE_EXISTS(valueRef)) \

variable = valueRef.toDouble(); \

}

#define CONNECTION_STYLE_READ_BOOL(values, variable) { \

auto valueRef = values[#variable]; \

CONNECTION_STYLE_CHECK_UNDEFINED_VALUE(valueRef, variable) \

if (CONNECTION_VALUE_EXISTS(valueRef)) \

variable = valueRef.toBool(); \

}

void

ConnectionStyle::

loadJsonFile(QString styleFile)

{

QFile file(styleFile);

if (!file.open(QIODevice::ReadOnly))

{

qWarning() << "Couldn't open file " << styleFile;

return;

}

loadJsonFromByteArray(file.readAll());

}

void

ConnectionStyle::

loadJsonText(QString jsonText)

{

loadJsonFromByteArray(jsonText.toUtf8());

}

void

ConnectionStyle::

loadJsonFromByteArray(QByteArray const &byteArray)

{

QJsonDocument json(QJsonDocument::fromJson(byteArray));

QJsonObject topLevelObject = json.object();

QJsonValueRef nodeStyleValues = topLevelObject["ConnectionStyle"];

QJsonObject obj = nodeStyleValues.toObject();

CONNECTION_STYLE_READ_COLOR(obj, ConstructionColor);

CONNECTION_STYLE_READ_COLOR(obj, NormalColor);

CONNECTION_STYLE_READ_COLOR(obj, SelectedColor);

CONNECTION_STYLE_READ_COLOR(obj, SelectedHaloColor);

CONNECTION_STYLE_READ_COLOR(obj, HoveredColor);

CONNECTION_STYLE_READ_FLOAT(obj, LineWidth);

CONNECTION_STYLE_READ_FLOAT(obj, ConstructionLineWidth);

CONNECTION_STYLE_READ_FLOAT(obj, PointDiameter);

CONNECTION_STYLE_READ_BOOL(obj, UseDataDefinedColors);

}

QColor

ConnectionStyle::

constructionColor() const

{

return ConstructionColor;

}

QColor

ConnectionStyle::

normalColor() const

{

return NormalColor;

}

QColor

ConnectionStyle::

normalColor(QString typeId) const

{

std::size_t hash = qHash(typeId);

std::size_t const hue_range = 0xFF;

qsrand(hash);

std::size_t hue = qrand() % hue_range;

std::size_t sat = 120 + hash % 129;

return QColor::fromHsl(hue,

sat,

160);

}

QColor

ConnectionStyle::

selectedColor() const

{

return SelectedColor;

}

QColor

ConnectionStyle::

selectedHaloColor() const

{

return SelectedHaloColor;

}

QColor

ConnectionStyle::

hoveredColor() const

{

return HoveredColor;

}

float

ConnectionStyle::

lineWidth() const

{

return LineWidth;

}

float

ConnectionStyle::

constructionLineWidth() const

{

return ConstructionLineWidth;

}

float

ConnectionStyle::

pointDiameter() const

{

return PointDiameter;

}

bool

ConnectionStyle::

useDataDefinedColors() const

{

return UseDataDefinedColors;

}

nodeeditor/src/ConnectionStyle.cpp at exmix-master · DigitalPulseSoftware/nodeeditor · GitHub

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