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gml_GRItem_Polygon.h // gml_GRItem_Polygon.h -- // // Declares the "gml_TGRItem_Polygon" class. A gml_TGRItem_Polygon is a rectangle that may // or may not have an outline and a colored inside. And may or may not have // a bitmap texture. // // Copyright (c) 2003 CLIPS-IMAG // // See the file "gml_LicenseTerms.txt" for information on usage and redistribution // of this file, and for a DISCLAIMER OF ALL WARRANTIES. // // March 2, 2004 (FB) // Re-written for gml, debug (FB) // // Created on July 2004 (Yohan Piccoli / FB). #ifndef __GML_GRITEM_POLYGON__ #define __GML_GRITEM_POLYGON__ #include "gml/ui/gml_GRItem.h" #include "gml/image/gml_RGBColor.h" #include "gml/gl/gml_GL_Texture.h" // Default configuration values. const gml_TBoolean gml_cGRItem_PolygonDefaultOutline = gml_cTrue; const gml_TGRItemParam gml_cGRItem_PolygonDefaultOutlineWidth = 1.0; const gml_TRGBColor gml_cGRItem_PolygonDefaultOutlineColor = { 0xffff, 0xffff, 0xffff }; const gml_TGRItemParam gml_cGRItem_PolygonDefaultOutlineAlpha = 1.0; const gml_TBoolean gml_cGRItem_PolygonDefaultOutlineAAlias = gml_cTrue; const gml_TBoolean gml_cGRItem_PolygonDefaultFill = gml_cFalse; const gml_TRGBColor gml_cGRItem_PolygonDefaultFillColor = { 0x0, 0x0, 0x0 }; const gml_TGRItemParam gml_cGRItem_PolygonDefaultFillAlpha = 1.0; const gml_TGRItemParam gml_cGRItem_PolygonDefaultTexureAlpha = 1.0; // gml_TGRItem_Polygon -- class gml_TGRItem_Polygon : virtual public gml_TGRItem { public: // Init -- // // See "gml_TGRItem::Init". virtual gml_TError Init (gml_TGRItem_Scene* scene = (gml_TGRItem_Scene*)NULL, gml_TGRItem* parentItem = (gml_TGRItem*)NULL, gml_TGRItemTransfo* transfo = (gml_TGRItemTransfo*)NULL, gml_TPointer clientData = (gml_TPointer)NULL); // Dispose -- // // See "gml_TGRItem::Dispose". virtual void Dispose (); // Configure -- // // Set Polygon aspect parameters. Any parameter which value is "NULL" is not modified. // <*shapeNpPt> number of 2D points in the <shape> array parameter. // <shape> array of <*shapeNbPt> 2D points defining the shape of the polygon. // "Configure" will make a copy of this array, so the passed array // can be safely freed after the call. // <*outline> TRUE if the polygon has an outline. // <*outlineWidth> width (in pixel) of the outline stroke. // <*outlineColor> color of the outline. If <*outlineColor> is NULL, the // outline is not drawn. The given color is copied so it can be freed // after calling configure. // <*outlineAlpha> transparency value of the outline. // <*outlineAAlias> TRUE if the outline is to be drawn with anti-aliasing activated. // <*fill> TRUE if the polygon has an interior. // <*fillColor> color of the interior. If <*fillColor> is NULL, the // interior is not drawn. The given color is copied so it can be freed // after calling configure. // <*fillAlpha> transparency value of the interior. // <*texture> texture object for the polygon. NULL means no texture. // <*textureAlpha> transparency of the texture. virtual gml_TError Configure (int* shapeNbPt = (int*)NULL, gml_TGRItemParam* shape = (gml_TGRItemParam*)NULL, gml_TBoolean* outline = (gml_TBoolean*)NULL, gml_TGRItemParam* outlineWidth = (gml_TGRItemParam*)NULL, gml_TRGBColor* outlineColor = (gml_TRGBColor*)NULL, gml_TGRItemParam* outlineAlpha = (gml_TGRItemParam*)NULL, gml_TBoolean* outlineAAlias = (gml_TBoolean*)NULL, gml_TBoolean* fill = (gml_TBoolean*)NULL, gml_TRGBColor* fillColor = (gml_TRGBColor*)NULL, gml_TGRItemParam* fillAlpha = (gml_TGRItemParam*)NULL, gmlGL_TTexture** texture = (gmlGL_TTexture**)NULL, gml_TGRItemParam* textureAlpha = (gml_TGRItemParam*)NULL); // GetConfiguration -- // // Get Polygon aspect parameters. Any parameter which value is "NULL" is not returned. // See <Configure>. // // If <shape> is not NULL, it will receive the array of 2D vertices managed by the // polygon object: this array must not be modified or freed and the polygon // may modify it. virtual gml_TError GetConfiguration (int* shapeNbPt = (int*)NULL, gml_TGRItemParam** shape = (gml_TGRItemParam**)NULL, gml_TBoolean* outline = (gml_TBoolean*)NULL, gml_TGRItemParam* outlineWidth = (gml_TGRItemParam*)NULL, gml_TRGBColor* outlineColor = (gml_TRGBColor*)NULL, gml_TGRItemParam* outlineAlpha = (gml_TGRItemParam*)NULL, gml_TBoolean* outlineAAlias = (gml_TBoolean*)NULL, gml_TBoolean* fill = (gml_TBoolean*)NULL, gml_TRGBColor* fillColor = (gml_TRGBColor*)NULL, gml_TGRItemParam* fillAlpha = (gml_TGRItemParam*)NULL, gmlGL_TTexture** texture = (gmlGL_TTexture**)NULL, gml_TGRItemParam* textureAlpha = (gml_TGRItemParam*)NULL); // Texture -- gmlGL_TTexture* Texture () { return fTexture; } // UpdateNonClippedBBox -- // // See "gml_TGRItem::UpdateNonClippedBBox". virtual void UpdateNonClippedBBox (); // IsOverItem -- // // See "gml_TGRItem::IsOverItem". gml_TBoolean IsOverItem (gml_TGRItemParam* pt); // PointToItem -- // // See "gml_TGRItem::PointToItem". gml_TGRItemParam PointToItem (gml_TGRItemParam* pt); // RelationToRect -- // // See "gml_TGRItem::RelationToRect". int RelationToRect (gml_TGRItemParam* rect); // LocalBBox -- // // Return the local bouding box, ie. the bouding box // expressed in the local refernce. gml_TGRItemParam* LocalBBox () { if (fLocalBBDirty) this->ComputeLocalBBox (); return fLocalBBox; } // ComputeLocalBBox -- void ComputeLocalBBox (); protected: static void Initialize (); static gml_TBoolean fGRItem_polygon_initialized; int fNbPt; // Shape number of points. gml_TGRItemParam* fShape; // Array of points [x0 y0 x1 y1 ...]. int fAutoClosed; // 0 if the passed polygon was passed "closed", 1 otherwise // (i.e. the object closed itself by allocating a last point // set a the position of the first point). gml_TBoolean fLocalBBDirty; gml_TGRItemParam fLocalBBox[4]; gml_TGRItemParam fOutlineWidth; gml_TBoolean fOutline; gml_TRGBColor fOutlineColor; gml_TGRItemParam fOutlineAlpha; gml_TBoolean fOutlineAAlias; gml_TBoolean fFill; gml_TRGBColor fFillColor; gml_TGRItemParam fFillAlpha; gmlGL_TTexture* fTexture; gml_TGRItemParam fTextureAlpha; gml_TGRItemParam* fVertices; // expressed in global coordinates, computed when the // bounding box is computed. Allocated at the end // of fShape. }; #endif Generated on Tue Jun 12 14:03:27 2007 for gml by Doxygen 1.5.2.

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