Panda3D
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00001 // Filename: pnmBrush.h 00002 // Created by: drose (01Feb07) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef PNMBRUSH_H 00016 #define PNMBRUSH_H 00017 00018 #include "pandabase.h" 00019 #include "referenceCount.h" 00020 #include "pointerTo.h" 00021 #include "luse.h" 00022 00023 class PNMImage; 00024 00025 //////////////////////////////////////////////////////////////////// 00026 // Class : PNMBrush 00027 // Description : This class is used to control the shape and color of 00028 // the drawing operations performed by a PNMPainter 00029 // object. 00030 // 00031 // Normally, you don't create a PNMBrush directly; 00032 // instead, use one of the static PNMBrush::make_*() 00033 // methods provided here. 00034 // 00035 // A PNMBrush is used to draw the border of a polygon or 00036 // rectangle, as well as for filling its interior. When 00037 // it is used to draw a border, the brush is "smeared" 00038 // over the border; when it is used to fill the 00039 // interior, it is tiled through the interior. 00040 //////////////////////////////////////////////////////////////////// 00041 class EXPCL_PANDA_PNMIMAGE PNMBrush : public ReferenceCount { 00042 protected: 00043 INLINE PNMBrush(double xc, double yc); 00044 00045 PUBLISHED: 00046 virtual ~PNMBrush(); 00047 00048 enum BrushEffect { 00049 BE_set, 00050 BE_blend, 00051 BE_darken, 00052 BE_lighten, 00053 }; 00054 00055 static PT(PNMBrush) make_transparent(); 00056 static PT(PNMBrush) make_pixel(const LColord &color, BrushEffect effect = BE_blend); 00057 static PT(PNMBrush) make_spot(const LColord &color, double radius, bool fuzzy, 00058 BrushEffect effect = BE_blend); 00059 static PT(PNMBrush) make_image(const PNMImage &image, double xc, double yc, 00060 BrushEffect effect = BE_blend); 00061 00062 public: 00063 INLINE double get_xc() const; 00064 INLINE double get_yc() const; 00065 00066 virtual void draw(PNMImage &image, int x, int y, double pixel_scale)=0; 00067 virtual void fill(PNMImage &image, int xfrom, int xto, int y, 00068 int xo, int yo)=0; 00069 00070 protected: 00071 double _xc, _yc; 00072 }; 00073 00074 #include "pnmBrush.I" 00075 00076 #endif