brushop.h

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00001 // $Id: brushop.h 751 2006-03-31 15:43:49Z alex $
00002 /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
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00004  
00005                Xara LX, a vector drawing and manipulation program.
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00009 
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00011 ----------------------------------
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00058 This license does not apply to files in the wxXtra directory, which
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00067 ARRANGEMENTS FOR CONTRIBUTION OF MODIFICATIONS
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00095 
00096 =================================XARAHEADEREND============================
00097  */
00098 
00099 // operations involving brush definitions
00100 
00101 #ifndef INC_BRUSHOP
00102 #define INC_BRUSHOP
00103 
00104 #include "opdrbrsh.h"
00105 
00106 #define OPTOKEN_CHANGEBRUSHDEF _T("ChangeBrushDefinition")
00107 #define OPTOKEN_SELECTBRUSH _T("MakeBrushSelected")
00108 #define OPTOKEN_DELETEBRUSH _T("DeactivateBrush")
00109 
00110 /********************************************************************************************
00111 
00112 >   class OpChangeBrushDefinition : public SelOperation
00113 
00114     Author:     Diccon_Yamanaka (Xara Group Ltd) <camelotdev@xara.com>
00115     Created:    12/11/99
00116     Purpose:    This operation exists so that we can make undoable edits to the brush definitions
00117                 stored in the brush component
00118     SeeAlso:    -
00119 
00120 ********************************************************************************************/
00121 
00122 class OpChangeBrushDefinition : public UndoableOperation
00123 {
00124 CC_DECLARE_DYNCREATE(OpChangeBrushDefinition);
00125 
00126 public:
00127     // Construction/Destruction
00128     OpChangeBrushDefinition();                      
00129 
00130     ~OpChangeBrushDefinition();
00131 
00132     // These functions required for the OpDescriptor class
00133     static BOOL Declare();
00134     static OpState GetState(String_256* Description, OpDescriptor*);
00135 
00136     // The all-important Do() func
00137     virtual void DoWithParam(OpDescriptor*,OpParam* pOpParam);
00138     virtual void GetOpName(String_256* OpName);
00139 
00140 private:
00141     ChangeBrushType ChangeType;
00142 };
00143 
00144 
00145 /********************************************************************************************
00146 
00147 >   class ChangeBrushDefOpParam : public ChangeBrushOpParam
00148 
00149     Author:     Diccon_Yamanaka (Xara Group Ltd) <camelotdev@xara.com>
00150     Created:    18/11/99
00151     Purpose:    The param passed to OpChangeBrushDefinition::DoWithParam, identical to ChangeBrushOpParam
00152                 except for 1) it has a brush handle member and 2) it takes its old and new values
00153                 from its brush definition instead of a path processor
00154     SeeAlso:    -
00155 
00156 ********************************************************************************************/
00157 
00158 class ChangeBrushDefOpParam : public ChangeBrushOpParam
00159 {
00160 
00161 CC_DECLARE_DYNAMIC(ChangeBrushDefOpParam)
00162 
00163 public:
00164     ChangeBrushDefOpParam() { m_Handle = BrushHandle_NoBrush;}
00165     ChangeBrushDefOpParam(const ChangeBrushOpParam& Other);
00166     ~ChangeBrushDefOpParam() {};
00167 
00168     void SetOldValues(BrushDefinition* pBrushedNode);
00169     void SetNewValues(BrushDefinition* pBrushedNode);
00170 
00171     virtual ChangeBrushOpParam operator=(const ChangeBrushOpParam& Other);
00172 
00173 public:
00174     BrushHandle m_Handle;
00175 
00176 };
00177 
00178 /********************************************************************************************
00179 
00180 >   class ChangeBrushDefAction : public Action
00181 
00182     Author:     Diccon_Yamanaka (Xara Group Ltd) <camelotdev@xara.com>
00183     Created:    30/3/2000
00184     Purpose:    An action which changes one or all of the members of a brush definition
00185     SeeAlso:    ChangeBrushAction, which this is based upon
00186 
00187 ********************************************************************************************/
00188 
00189 class ChangeBrushDefAction : public Action
00190 {
00191 
00192 CC_DECLARE_DYNCREATE(ChangeBrushDefAction)
00193 
00194 public:
00195     ChangeBrushDefAction();
00196     ~ChangeBrushDefAction();
00197     virtual ActionCode Execute();
00198     static ActionCode Init( Operation* pOp,
00199                             ActionList* pActionList,
00200                             ChangeBrushDefOpParam* pChangeParam,
00201                             ChangeBrushDefAction** NewAction);
00202 protected:  
00203     // helper functions
00204     static BOOL ChangeBrushName(String_32 Name, BrushDefinition* pBrushDef);
00205     static BOOL ChangeBrushSpacing(MILLIPOINT NewSpacing,  BrushDefinition* pBrushDef);
00206     static BOOL ChangeSpacingIncrProp(double NewIncr,  BrushDefinition* pBrushDef);
00207     static BOOL ChangeSpacingIncrConst(MILLIPOINT NewIncr, BrushDefinition* pBrushDef);
00208     static BOOL ChangeBrushScaling(double NewScaling, BrushDefinition* pBrushDef);
00209     static BOOL ChangeScalingRandSeed(UINT32 NewSeed, BrushDefinition* pBrushDef);
00210     static BOOL ChangeScalingIncr(double NewIncr, BrushDefinition* pBrushDef);
00211     static BOOL ChangeScalingIncrConst(double Incr, BrushDefinition* pBrushDef);
00212     static BOOL ChangeScalingPressure(UINT32 Pressure, BrushDefinition* pBrushDef);
00213     static BOOL ChangeScalingMaxRand(UINT32 NewMax, BrushDefinition* pBrushDef);
00214     static BOOL ChangeTangential(BOOL bRotate, BrushDefinition* pBrushDef);
00215     static BOOL ChangeRotation(double NewAngle, BrushDefinition* pBrushDef);
00216     static BOOL ChangeRotationRandSeed(UINT32 NewSeed, BrushDefinition* pBrushDef);
00217     static BOOL ChangeRotationMaxRand(UINT32 NewMax, BrushDefinition* pBrushDef);
00218     static BOOL ChangeRotationMaxPressure(UINT32 Pressure, BrushDefinition* pBrushDef);
00219     static BOOL ChangeOffsetValue(MILLIPOINT NewOffset, BrushDefinition* pBrushDef);
00220     static BOOL ChangeOffsetType(PathOffset NewOffset, BrushDefinition* pBrushDef);
00221     static BOOL ChangeOffsetTypeSeed(UINT32 NewSeed, BrushDefinition* pBrushDef);
00222     static BOOL ChangeOffsetIncrProp(double NewIncrProp, BrushDefinition* pBrushDef);
00223     static BOOL ChangeOffsetIncrConst(MILLIPOINT NewIncrConst, BrushDefinition* pBrushDef);
00224     static BOOL ChangeOffsetValMaxRand(UINT32 NewMax, BrushDefinition* pBrushDef);
00225     static BOOL ChangeOffsetValRandSeed(UINT32 NewSeed, BrushDefinition* pBrushDef);
00226     static BOOL ChangeBrushTile(BOOL bTile, BrushDefinition* pBrushDef);
00227     static BOOL ChangeSpacingMaxRand(UINT32 NewMaxRand, BrushDefinition* pBrushDef);
00228     static BOOL ChangeSpacingRandSeed(UINT32 NewSeed, BrushDefinition* pBrushDef);
00229     static BOOL ChangeUseLocalFillColour(BOOL bUseLocal, BrushDefinition* pBrushDef);
00230     static BOOL ChangeUseLocalGradFill(BOOL bUseLocal, BrushDefinition* pBrushDef);
00231     static BOOL ChangeSequenceType(SequenceType SeqType, BrushDefinition* pBrushDef);
00232     static BOOL ChangeSequenceSeed(UINT32 NewSeed, BrushDefinition* pBrushDef);
00233     static BOOL ChangeAll(ChangeBrushOpParam* pParam, BrushDefinition* pBrushDef);
00234     static BOOL ChangeTimeStamp(double NewValue, BrushDefinition* pBrushDef);
00235     
00236 protected: // data
00237     ChangeBrushDefOpParam   m_ChangeParam;
00238 };
00239 
00240 /********************************************************************************************
00241 
00242 >   class OpSelectBrush : public Operation
00243 
00244     Author:     Diccon_Yamanaka (Xara Group Ltd) <camelotdev@xara.com>
00245     Created:    23/5/2000
00246     Purpose:    This operation can take place only in the Freehand tool. If there is a single
00247                 selected brush then it makes that brush selected in the combo so that the
00248                 user can draw with it straight away rather than having to select it in the
00249                 combo themselves.
00250                 Note that it is not undoable because a) it makes no change to anything in the document
00251                 and b) it can only be called whilst in the Freehand tool (and what would happen if 
00252                 it were undone outside of the  Freehand tool is rather hard to define).
00253     SeeAlso:    -
00254 
00255 ********************************************************************************************/
00256 
00257 class OpSelectBrush : public Operation
00258 {
00259     CC_DECLARE_DYNCREATE(OpSelectBrush)
00260 
00261 public:
00262     // Construction/Destruction
00263     OpSelectBrush();                    
00264 
00265     ~OpSelectBrush();
00266 
00267     // These functions required for the OpDescriptor class
00268     static BOOL Declare();
00269     static OpState GetState(String_256* Description, OpDescriptor*);
00270 
00271     // The all-important Do() func
00272     virtual void Do(OpDescriptor*);
00273     virtual void GetOpName(String_256* OpName);
00274 
00275 };
00276 
00277 
00278 /********************************************************************************************
00279 
00280 >   class OpDeactivateBrush : public UndoableOperation
00281 
00282     Author:     Diccon_Yamanaka (Xara Group Ltd) <camelotdev@xara.com>
00283     Created:    23/5/2000
00284     Purpose:    This operation takes a brush handle as a parameter, locates the appropriate brush
00285                 definition and sets the flag indicating that it has been deactivated.
00286                 Also removes the item from the line gallery and freehand combo.
00287     SeeAlso:    -
00288 
00289 ********************************************************************************************/
00290 
00291 class OpDeactivateBrush : public UndoableOperation
00292 {
00293     CC_DECLARE_DYNCREATE(OpDeactivateBrush);
00294 public:
00295     OpDeactivateBrush();
00296     ~OpDeactivateBrush();
00297 
00298     // These functions required for the OpDescriptor class
00299     static BOOL Declare();
00300     static OpState GetState(String_256* Description, OpDescriptor*);
00301 
00302     // The all-important Do() func
00303     virtual void DoWithParam(OpDescriptor*,OpParam* pOpParam);
00304     virtual void GetOpName(String_256* OpName);
00305 };
00306 
00307 
00308 
00309 /********************************************************************************************
00310 
00311 >   class DeactivateBrushDefAction : public Action
00312 
00313     Author:     Diccon_Yamanaka (Xara Group Ltd) <camelotdev@xara.com>
00314     Created:    30/3/2000
00315     Purpose:    Does most of the dirty work for the above operation
00316     SeeAlso:    OpDeactivateBrush
00317 
00318 ********************************************************************************************/
00319 
00320 class DeactivateBrushDefAction : public Action
00321 {
00322     CC_DECLARE_DYNCREATE(DeactivateBrushDefAction)
00323     
00324         DeactivateBrushDefAction() {m_Handle = BrushHandle_NoBrush;}
00325 
00326 public:
00327     virtual ActionCode Execute();
00328     static ActionCode Init( Operation* pOp,
00329                             ActionList* pActionList,
00330                             BrushHandle Handle,
00331                             DeactivateBrushDefAction** NewAction);
00332 
00333 
00334     BrushHandle m_Handle;
00335 };
00336 
00337 
00338 #endif

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