1/************************************************************************ 2 * This file has been generated automatically from * 3 * * 4 * src/core/qgsclipper.h * 5 * * 6 * Do not edit manually ! Edit header and run scripts/sipify.pl again * 7 ************************************************************************/ 8 9 10 11 12 13 14%Feature ARM // Some parts are not available in sip bindings on ARM because of qreal double vs. float issues 15 16 17class QgsClipper 18{ 19%Docstring(signature="appended") 20A class to trim lines and polygons to within a rectangular region. 21 22The functions in this class are likely to be called from within a 23render loop and hence need to as CPU efficient as possible. 24The main purpose of the functions in this class are to trim lines 25and polygons to lie within a rectangular region. This is necessary 26for drawing items to an X11 display which have a limit on the 27magnitude of the screen coordinates (+/- 32768, i.e. 16 bit integer). 28%End 29 30%TypeHeaderCode 31#include "qgsclipper.h" 32%End 33 public: 34 35 36 37 static const double MAX_X; 38 static const double MIN_X; 39 static const double MAX_Y; 40 static const double MIN_Y; 41 42 43 enum Boundary 44 { 45 XMax, 46 XMin, 47 YMax, 48 YMin 49 }; 50 51%If (!ARM) // Not available on ARM sip bindings because of qreal issues 52 53 static void trimFeature( QVector<double> &x, 54 QVector<double> &y, 55 bool shapeOpen ); 56%Docstring 57Trims the given feature to a rectangular box. Returns the trimmed 58feature in x and y. The shapeOpen parameter determines whether 59the function treats the points as a closed shape (polygon), or as 60an open shape (linestring). 61 62.. note:: 63 64 not available in Python bindings on android 65%End 66 67%End 68 69 static void trimPolygon( QPolygonF &pts, const QgsRectangle &clipRect ); 70 71 static QPolygonF clippedLine( const QgsCurve &curve, const QgsRectangle &clipExtent ); 72%Docstring 73Takes a linestring and clips it to clipExtent 74 75:param curve: the linestring 76:param clipExtent: clipping bounds 77 78:return: clipped line coordinates 79%End 80 81 static QPolygonF clippedLine( const QPolygonF &curve, const QgsRectangle &clipExtent ); 82%Docstring 83Takes a ``curve`` and clips it to clipExtent. 84 85.. versionadded:: 3.16 86%End 87 88}; 89 90 91 92/************************************************************************ 93 * This file has been generated automatically from * 94 * * 95 * src/core/qgsclipper.h * 96 * * 97 * Do not edit manually ! Edit header and run scripts/sipify.pl again * 98 ************************************************************************/ 99