juce/source/extras/the jucer/src/model/paintelements/jucer_PaintElementPath.h

   1 /*
   2   ==============================================================================
   3
   4    This file is part of the JUCE library - "Jules' Utility Class Extensions"
   5    Copyright 2004-11 by Raw Material Software Ltd.
   6
   7   ------------------------------------------------------------------------------
   8
   9    JUCE can be redistributed and/or modified under the terms of the GNU General
  10    Public License (Version 2), as published by the Free Software Foundation.
  11    A copy of the license is included in the JUCE distribution, or can be found
  12    online at www.gnu.org/licenses.
  13
  14    JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
  15    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  16    A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  17
  18   ------------------------------------------------------------------------------
  19
  20    To release a closed-source product which uses JUCE, commercial licenses are
  21    available: visit www.rawmaterialsoftware.com/juce for more information.
  22
  23   ==============================================================================
  24 */
  25
  26 #ifndef __JUCER_PAINTELEMENTPATH_JUCEHEADER__
  27 #define __JUCER_PAINTELEMENTPATH_JUCEHEADER__
  28
  29 #include "jucer_ColouredElement.h"
  30 #include "jucer_ElementSiblingComponent.h"
  31 class PathPointComponent;
  32 class PaintElementPath;
  33
  34
  35 //==============================================================================
  36 /**
  37 */
  38 class PathPoint
  39 {
  40 public:
  41     //==============================================================================
  42     PathPoint (PaintElementPath* const owner);
  43     PathPoint (const PathPoint& other);
  44     PathPoint& operator= (const PathPoint& other);
  45     ~PathPoint();
  46
  47     //==============================================================================
  48     PaintElementPath* owner;
  49
  50     Path::Iterator::PathElementType type;
  51
  52     RelativePositionedRectangle pos [3];
  53
  54     //==============================================================================
  55     int getNumPoints() const;
  56
  57     void changePointType (const Path::Iterator::PathElementType newType,
  58                           const Rectangle<int>& parentArea,
  59                           const bool undoable);
  60
  61     void deleteFromPath();
  62     void getEditableProperties (Array <PropertyComponent*>& properties);
  63
  64 private:
  65     const PathPoint withChangedPointType (const Path::Iterator::PathElementType newType,
  66                                           const Rectangle<int>& parentArea) const;
  67 };
  68
  69
  70 //==============================================================================
  71 /**
  72 */
  73 class PaintElementPath   : public ColouredElement
  74 {
  75 public:
  76     //==============================================================================
  77     PaintElementPath (PaintRoutine* owner);
  78     ~PaintElementPath();
  79
  80     //==============================================================================
  81     void setInitialBounds (int parentWidth, int parentHeight);
  82     const Rectangle<int> getCurrentBounds (const Rectangle<int>& parentArea) const;
  83     void setCurrentBounds (const Rectangle<int>& b, const Rectangle<int>& parentArea, const bool undoable);
  84
  85     //==============================================================================
  86     bool getPoint (int index, int pointNumber, double& x, double& y, const Rectangle<int>& parentArea) const;
  87     void movePoint (int index, int pointNumber, double newX, double newY, const Rectangle<int>& parentArea, const bool undoable);
  88
  89     const RelativePositionedRectangle getPoint (int index, int pointNumber) const;
  90     void setPoint (int index, int pointNumber, const RelativePositionedRectangle& newPoint, const bool undoable);
  91
  92     int getNumPoints() const throw()                                    { return points.size(); }
  93     PathPoint* getPoint (int index) const throw()                       { return points [index]; }
  94     int indexOfPoint (PathPoint* const p) const throw()                 { return points.indexOf (p); }
  95
  96     PathPoint* addPoint (int pointIndexToAddItAfter, const bool undoable);
  97     void deletePoint (int pointIndex, const bool undoable);
  98
  99     void pointListChanged();
 100
 101     int findSegmentAtXY (int x, int y) const;
 102
 103     //==============================================================================
 104     bool isSubpathClosed (int pointIndex) const;
 105     void setSubpathClosed (int pointIndex, const bool closed, const bool undoable);
 106
 107     bool isNonZeroWinding() const throw()                               { return nonZeroWinding; }
 108     void setNonZeroWinding (const bool nonZero, const bool undoable);
 109
 110     //==============================================================================
 111     void getEditableProperties (Array <PropertyComponent*>& properties);
 112
 113     void fillInGeneratedCode (GeneratedCode& code, String& paintMethodCode);
 114
 115     //==============================================================================
 116     static const char* getTagName() throw()                            { return "PATH"; }
 117     XmlElement* createXml() const;
 118     bool loadFromXml (const XmlElement& xml);
 119
 120     void setToPath (const Path& p);
 121
 122     //==============================================================================
 123     void draw (Graphics& g, const ComponentLayout* layout, const Rectangle<int>& parentArea);
 124     void drawExtraEditorGraphics (Graphics& g, const Rectangle<int>& relativeTo);
 125
 126     void resized();
 127     void parentSizeChanged();
 128
 129     void mouseDown (const MouseEvent& e);
 130     void mouseDrag (const MouseEvent& e);
 131     void mouseUp (const MouseEvent& e);
 132
 133     void createSiblingComponents();
 134     void changed();
 135
 136 private:
 137     friend class PathPoint;
 138     friend class PathPointComponent;
 139     OwnedArray <PathPoint> points;
 140     bool nonZeroWinding;
 141     mutable Path path;
 142     mutable Rectangle<int> lastPathBounds;
 143     int mouseDownOnSegment;
 144     bool mouseDownSelectSegmentStatus;
 145
 146     const String pathToString() const;
 147     void restorePathFromString (const String& s);
 148     void updateStoredPath (const ComponentLayout* layout, const Rectangle<int>& parentArea) const;
 149     int getBorderSize() const;
 150
 151     void rescalePoint (RelativePositionedRectangle& pos, int dx, int dy,
 152                        double scaleX, double scaleY,
 153                        double scaleStartX, double scaleStartY,
 154                        const Rectangle<int>& parentArea) const;
 155 };
 156
 157
 158 //==============================================================================
 159 /**
 160 */
 161 class PathPointComponent    : public ElementSiblingComponent
 162 {
 163 public:
 164     //==============================================================================
 165     PathPointComponent (PaintElementPath* const path_,
 166                         const int index, const int pointNumber);
 167
 168     ~PathPointComponent();
 169
 170     //==============================================================================
 171     void updatePosition();
 172     void showPopupMenu();
 173
 174     //==============================================================================
 175     void paint (Graphics& g);
 176     void mouseDown (const MouseEvent& e);
 177     void mouseDrag (const MouseEvent& e);
 178     void mouseUp (const MouseEvent& e);
 179
 180     void changeListenerCallback (ChangeBroadcaster*);
 181
 182 private:
 183     PaintElementPath* const path;
 184     PaintRoutine* const routine;
 185     const int index;
 186     const int pointNumber;
 187     int dragX, dragY;
 188     bool selected, dragging, mouseDownSelectStatus;
 189 };
 190
 191
 192 #endif   // __JUCER_PAINTELEMENTPATH_JUCEHEADER__