17 #ifndef QGSLAYOUTITEMPICTURE_H
18 #define QGSLAYOUTITEMPICTURE_H
20 #include "qgis_core.h"
24 #include <QSvgRenderer>
74 int type()
const override;
75 QIcon
icon()
const override;
94 void setPicturePath(
const QString &path, Format format = FormatUnknown );
103 QString picturePath()
const;
138 NorthMode northMode()
const;
145 void setNorthMode( NorthMode mode );
152 double northOffset()
const;
159 void setNorthOffset(
double offset );
196 void setSvgFillColor(
const QColor &color );
213 void setSvgStrokeColor(
const QColor &color );
229 void setSvgStrokeWidth(
double width );
242 void setMode( Format mode );
252 bool isMissingImage()
const;
261 QString evaluatedPath()
const;
270 void setPictureRotation(
double rotation );
289 void recalculateSize();
309 QRectF boundedSVGRect(
double deviceWidth,
double deviceHeight );
311 QRectF boundedImageRect(
double deviceWidth,
double deviceHeight );
314 QSizeF pictureSize();
320 Format mMode = FormatUnknown;
322 QSize mDefaultSvgSize;
325 double mPictureRotation = 0;
327 QString mRotationMapUuid;
330 double mPictureWidth = 0.0;
332 double mPictureHeight = 0.0;
337 QColor mSvgFillColor = QColor( 255, 255, 255 );
338 QColor mSvgStrokeColor = QColor( 0, 0, 0 );
339 double mSvgStrokeWidth = 0.2;
341 bool mHasExpressionError =
false;
342 bool mLoaded =
false;
343 bool mLoadingSvg =
false;
344 bool mIsMissingImage =
false;
345 QString mEvaluatedPath;
350 void loadPicture(
const QVariant &data );
356 QRect clippedImageRect(
double &boundRectWidthMM,
double &boundRectHeightMM, QSize imageRectPixels );
361 void loadRemotePicture(
const QString &url );
366 void loadLocalPicture(
const QString &path );
368 void loadPictureUsingCache(
const QString &path );
375 void updateNorthArrowRotation(
double rotation );
380 friend class TestQgsCompositionConverter;
QgsCompositionConverter class converts a QGIS 2.x composition to a QGIS 3.x layout.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Class for parsing and evaluation of expressions (formerly called "search strings").
Layout graphical items for displaying a map.
A layout item subclass that displays SVG files or raster format images (jpg, png, ....
double pictureRotation() const
Returns the rotation used for drawing the picture within the item's frame, in degrees clockwise.
QColor svgStrokeColor() const
Returns the stroke color used for parametrized SVG files.
QgsLayoutItem::ReferencePoint pictureAnchor() const
Returns the picture's current anchor, which controls how it is placed within the picture item's frame...
double svgStrokeWidth() const
Returns the stroke width (in layout units) used for parametrized SVG files.
void pictureRotationChanged(double newRotation)
Emitted on picture rotation change.
ResizeMode resizeMode() const
Returns the resize mode used for drawing the picture within the layout item's frame.
NorthMode
Method for syncing rotation to a map's North direction.
@ TrueNorth
Align to true north.
Format mode() const
Returns the current picture mode (image format).
QColor svgFillColor() const
Returns the fill color used for parametrized SVG files.
ResizeMode
Controls how pictures are scaled within the item's frame.
@ ZoomResizeFrame
Enlarges image to fit frame, then resizes frame to fit resultant image.
@ Clip
Draws image at original size and clips any portion which falls outside frame.
@ Stretch
Stretches image to fit frame, ignores aspect ratio.
@ Zoom
Enlarges image to fit frame while maintaining aspect ratio of picture.
Format
Format of source image.
@ FormatRaster
Raster image.
@ FormatUnknown
Invalid or unknown image type.
Contains settings and helpers relating to a render of a QgsLayoutItem.
Base class for graphical items within a QgsLayout.
ReferencePoint
Fixed position reference point.
@ UpperLeft
Upper left corner of item.
virtual bool writePropertiesToElement(QDomElement &element, QDomDocument &document, const QgsReadWriteContext &context) const
Stores item state within an XML DOM element.
virtual void finalizeRestoreFromXml()
Called after all pending items have been restored from XML.
int type() const override
Returns a unique graphics item type identifier.
virtual void refreshDataDefinedProperty(QgsLayoutObject::DataDefinedProperty property=QgsLayoutObject::AllProperties)
Refreshes a data defined property for the item by reevaluating the property's value and redrawing the...
virtual QSizeF applyItemSizeConstraint(QSizeF targetSize)
Applies any item-specific size constraint handling to a given targetSize in layout units.
virtual QIcon icon() const
Returns the item's icon.
virtual bool readPropertiesFromElement(const QDomElement &element, const QDomDocument &document, const QgsReadWriteContext &context)
Sets item state from a DOM element.
virtual void draw(QgsLayoutItemRenderContext &context)=0
Draws the item's contents using the specified item render context.
An object which handles north-arrow type behavior for layout items.
DataDefinedProperty
Data defined properties for different item types.
@ AllProperties
All properties for item.
Base class for layouts, which can contain items such as maps, labels, scalebars, etc.
The class is used as a container of context for various read/write operations on other objects.