2018-10-29 00:11:23 +01:00
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#ifndef STYLE_H
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#define STYLE_H
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2018-11-01 08:19:23 +01:00
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#include <QObject>
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2018-10-29 00:11:23 +01:00
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#include <QString>
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2018-11-10 19:34:45 +01:00
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#include <QVariantHash>
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2018-10-29 00:11:23 +01:00
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#include <QStringList>
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#include <QSet>
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#include <QPen>
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#include <QBrush>
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2018-11-06 22:35:30 +01:00
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#include <QFont>
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#include "text.h"
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#include "function.h"
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#include "sprites.h"
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class QPainter;
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class QPainterPath;
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class Tile;
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class Style : public QObject
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{
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public:
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Style(QObject *parent = 0) : QObject(parent) {}
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2018-10-29 00:11:23 +01:00
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bool load(const QString &fileName);
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const QStringList &sourceLayers() const {return _sourceLayers;}
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2018-11-22 21:57:21 +01:00
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bool match(int zoom, int layer, const QVariantHash &tags) const;
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void drawBackground(Tile &tile) const;
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void setupLayer(Tile &tile, int layer) const;
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void drawFeature(Tile &tile, int layer, const QPainterPath &path,
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const QVariantHash &tags) const;
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private:
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class Layer {
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public:
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Layer() : _type(Unknown), _minZoom(-1), _maxZoom(-1) {}
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Layer(const QJsonObject &json);
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const QString &sourceLayer() const {return _sourceLayer;}
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bool isPath() const {return (_type == Line || _type == Fill);}
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bool isBackground() const {return (_type == Background);}
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bool isSymbol() const {return (_type == Symbol);}
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2018-11-10 19:34:45 +01:00
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bool match(int zoom, const QVariantHash &tags) const;
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void setPathPainter(Tile &tile, const Sprites &sprites) const;
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void setTextProperties(Tile &tile) const;
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void addSymbol(Tile &tile, const QPainterPath &path,
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const QVariantHash &tags, const Sprites &sprites) const;
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2018-10-29 00:11:23 +01:00
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private:
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enum Type {
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Unknown,
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Fill,
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Line,
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Background,
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Symbol
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};
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class Filter {
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public:
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Filter() : _type(None) {}
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Filter(const QJsonArray &json);
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bool match(const QVariantHash &tags) const;
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private:
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enum Type {
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None, Unknown,
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EQ, NE, GE, GT, LE, LT,
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All, Any,
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In, Has
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};
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Type _type;
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bool _not;
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QSet<QString> _set;
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QPair<QString, QVariant> _kv;
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QVector<Filter> _filters;
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};
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class Template {
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public:
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Template() {}
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Template(const FunctionS &str) : _field(str) {}
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QString value(int zoom, const QVariantHash &tags) const;
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private:
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FunctionS _field;
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};
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class Layout {
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public:
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Layout() : _textSize(16), _textMaxWidth(10), _textMaxAngle(45),
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_font("Open Sans"), _viewportAlignment(false) {}
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Layout(const QJsonObject &json);
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2018-11-03 19:16:08 +01:00
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qreal maxTextWidth(int zoom) const
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{return _textMaxWidth.value(zoom);}
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qreal maxTextAngle(int zoom) const
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{return _textMaxAngle.value(zoom);}
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QString text(int zoom, const QVariantHash &tags) const
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{return _text.value(zoom, tags).trimmed();}
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QString icon(int zoom, const QVariantHash &tags) const
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{return _icon.value(zoom, tags);}
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QFont font(int zoom) const;
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Qt::PenCapStyle lineCap(int zoom) const;
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Qt::PenJoinStyle lineJoin(int zoom) const;
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Text::Anchor textAnchor(int zoom) const;
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bool viewportAlignment() const {return _viewportAlignment;}
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private:
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QFont::Capitalization textTransform(int zoom) const;
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Template _text;
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Template _icon;
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FunctionF _textSize;
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FunctionF _textMaxWidth;
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FunctionF _textMaxAngle;
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FunctionS _lineCap;
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FunctionS _lineJoin;
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FunctionS _textAnchor;
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FunctionS _textTransform;
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QFont _font;
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bool _viewportAlignment;
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};
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class Paint {
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public:
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Paint() : _fillOpacity(1.0), _lineOpacity(1.0), _lineWidth(1.0) {}
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Paint(const QJsonObject &json);
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QPen pen(Layer::Type type, int zoom) const;
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QBrush brush(Layer::Type type, int zoom, const Sprites &sprites) const;
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qreal opacity(Layer::Type type, int zoom) const;
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bool antialias(Layer::Type type, int zoom) const;
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QString fillPattern(int zoom) const
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{return _fillPattern.value(zoom);}
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private:
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FunctionC _textColor;
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FunctionC _lineColor;
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FunctionC _fillColor;
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FunctionC _fillOutlineColor;
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FunctionC _backgroundColor;
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FunctionF _fillOpacity;
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FunctionF _lineOpacity;
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FunctionF _lineWidth;
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FunctionB _fillAntialias;
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QVector<qreal> _lineDasharray;
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FunctionS _fillPattern;
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};
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Type _type;
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QString _sourceLayer;
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int _minZoom, _maxZoom;
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Filter _filter;
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Layout _layout;
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Paint _paint;
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};
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QVector<Layer> _layers;
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QStringList _sourceLayers;
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Sprites _sprites;
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};
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#endif // STYLE_H
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