155 lines
3.5 KiB
C
155 lines
3.5 KiB
C
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/****************************************************************************
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Unit Cache; Interface
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*****************************************************************************
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Module Prefix: Ca
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*****************************************************************************/
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#define CaEmpty 0
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#define CaLine 1
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#define CaRectangle 2
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#define CaRoundRect 3
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#define CaEllipse 4
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#define CaArc 5
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#define CaPie 6
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#define CaPolygon 7
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#define CaPolyLine 8
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typedef struct
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{
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Word type;
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Word verb;
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union
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{
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struct
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{
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Point start;
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Point end;
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Point pnSize;
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} line;
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struct
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{
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Rect bbox;
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Point oval;
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} rect;
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struct
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{
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Rect bbox;
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Point start;
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Point end;
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} arc;
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struct
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{
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Integer numPoints;
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Point far * pointList;
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Point pnSize;
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} poly;
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} a;
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} CaPrimitive, far * CaPrimitiveLPtr;
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/*********************** Exported Function Definitions **********************/
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void CaInit( Handle metafile );
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/* initialize the gdi cache module */
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void CaFini( void );
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/* close down the cache module */
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void CaSetMetafileDefaults( void );
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/* Set up any defaults that will be used throughout the metafile context */
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Word CaGetCachedPrimitive( void );
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/* return the current cached primitive type */
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void CaSamePrimitive( Boolean same );
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/* indicate whether next primitive is the same or new */
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void CaMergePen( Word verb );
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/* indicate that next pen should be merged with previous logical pen */
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void CaCachePrimitive( CaPrimitiveLPtr primLPtr );
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/* Cache the primitive passed down. This includes the current pen and brush. */
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void CaFlushCache( void );
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/* Flush the current primitive stored in the cache */
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void CaFlushAttributes( void );
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/* flush any pending attribute elements */
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void CaCreatePenIndirect( LOGPEN far * newLogPen );
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/* create a new pen */
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void CaCreateBrushIndirect( LOGBRUSH far * newLogBrush );
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/* Create a new logical brush using structure passed in */
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void CaCreateFontIndirect( LOGFONT far * newLogFont );
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/* create the logical font passed as paramter */
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void CaSetBkMode( Word mode );
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/* set the backgound transfer mode */
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void CaSetROP2( Word ROP2Code );
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/* set the transfer ROP mode according to ROP2Code */
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void CaSetStretchBltMode( Word mode );
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/* stretch blt mode - how to preserve scanlines using StretchDIBits() */
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void CaSetTextAlign( Word txtAlign );
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/* set text alignment according to parameter */
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void CaSetTextColor( RGBColor txtColor );
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/* set the text color if different from current setting */
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void CaSetTextCharacterExtra( Integer chExtra );
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/* set the character extra spacing */
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void CaSetBkColor( RGBColor bkColor );
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/* set background color if different from current setting */
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Boolean CaIntersectClipRect( Rect rect );
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/* Create new clipping rectangle - return FALSE if drawing is disabled */
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void CaSetClipRect( Rect rect );
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/* set the current cliprectangle to be equal to rect */
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Rect far * CaGetClipRect( void );
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/* return the current cached clip rectangle */
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void CaNonRectangularClip( void );
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/* notify cache that a non-rectangular clipping region was set */
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void CaSaveDC( void );
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/* save the current device context - used to set up clipping rects */
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void CaRestoreDC( void );
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/* restore the device context and invalidate cached attributes */
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