quality.h

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00001 // $Id: quality.h 751 2006-03-31 15:43:49Z alex $
00002 /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
00003 ================================XARAHEADERSTART===========================
00004  
00005                Xara LX, a vector drawing and manipulation program.
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00009 
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00011 ----------------------------------
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00049 
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00067 ARRANGEMENTS FOR CONTRIBUTION OF MODIFICATIONS
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00093       Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK.
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00095 
00096 =================================XARAHEADEREND============================
00097  */
00098 
00099 #ifndef INC_QUALITY
00100 #define INC_QUALITY
00101 
00102 /********************************************************************************************
00103 
00104 >   class Quality
00105 
00106     Author:     Andy_Pennell (Xara Group Ltd) <camelotdev@xara.com>
00107     Created:    15/4/94
00108     Purpose:    Encapsulates the 'quality' of rendering, which in ArtWorks-speak was the
00109                 WYSIWYG value. It is really a numeric value, but this fact should be hidden from
00110                 everyone who should ask specific things of it, not use its value.
00111 
00112 ********************************************************************************************/
00113 
00114 class Quality
00115 {
00116 
00117 #define QUALITY_GUIDELAYER  (-1)
00118 #define QUALITY_MAX         110
00119 
00120 #ifdef RALPH
00121 #define QUALITY_DEFAULT     QUALITY_MAX
00122 #else
00123 // Normal, default Camelot quality
00124 #define QUALITY_DEFAULT     100
00125 #endif
00126 
00127     // these are the only people allowed to get to the real numeric value
00128     friend class OpQuality;
00129 //  friend class QualityAttribute;
00130 //  friend class AttrQuality;
00131     friend class QualitySliderDescriptor;
00132 
00133 public:
00134     enum QualityEnums
00135     {
00136         QualityGuideLayer = QUALITY_GUIDELAYER,
00137         QualityMax=QUALITY_MAX,
00138         QualityDefault=QUALITY_DEFAULT
00139     };
00140 
00141     Quality(QualityEnums quality=QualityDefault) { QualityValue=quality; }
00142     ~Quality()  { }
00143 
00144     Quality& operator = (const Quality& Other)                          // so they can be assigned
00145     {
00146         QualityValue = Other.QualityValue;
00147         return *this;
00148     }
00149 
00150     INT32 operator==(const Quality& Other)
00151     {
00152         return QualityValue == Other.QualityValue;
00153     }
00154 
00155     INT32 operator!=(const Quality& Other)
00156     {
00157         return QualityValue != Other.QualityValue;
00158     }
00159 
00160     // each 'quality' attribute has an enum determining how it is rendered
00161     enum Line
00162     {
00163         NoLine,
00164         BlackLine,
00165         ThinLine,
00166         FullLine
00167     };
00168 
00169     enum Fill
00170     {
00171         NoFill,
00172         Bitmaps,
00173         Solid,
00174         Graduated
00175     };
00176 
00177     enum Blend
00178     {
00179         NoBlend,
00180         StartAndEnd,
00181         FullBlend
00182     };
00183 
00184     enum Antialias
00185     {
00186         NoAntialias,
00187         FullAntialias
00188     };
00189 
00190     enum Transparency
00191     {
00192         NoTransparency,
00193         FullTransparency
00194     };
00195 
00196     Line            GetLineQuality() const;
00197     Fill            GetFillQuality() const;
00198     Blend           GetBlendQuality() const;
00199     Antialias       GetAntialiasQuality() const;
00200     Transparency    GetTransparencyQuality() const;
00201 
00202     void SetDefault();
00203 
00204     // These should not generally be used by people, except in very special situations
00205     BOOL SetQuality(INT32);
00206     INT32 GetQuality() const;
00207 
00208 private:
00209 
00210     INT32 QualityValue;
00211 
00212 public:
00213     // The default quality level to give to new views.
00214     static Quality DefaultQuality;
00215 };
00216 
00217 /********************************************************************************************
00218 
00219 >   Quality::Quality()
00220 
00221     Author:     Andy_Pennell (Xara Group Ltd) <camelotdev@xara.com>
00222     Created:    15/4/94
00223     Inputs:     -
00224     Outputs:    -
00225     Returns:    -
00226     Purpose:    Constructor for Quality class. Puts the default value in. Inline fn.
00227     Errors:     -
00228 
00229 ********************************************************************************************/
00230 
00231 /********************************************************************************************
00232 
00233 >   Quality::~Quality()
00234 
00235     Author:     Andy_Pennell (Xara Group Ltd) <camelotdev@xara.com>
00236     Created:    15/4/94
00237     Inputs:     -
00238     Outputs:    -
00239     Returns:    -
00240     Purpose:    Destructor for Quality class. Does nothing. Inline.
00241     Errors:     -
00242 
00243 ********************************************************************************************/
00244 
00245 #endif

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