xorg-server-1.4/include/gc.h

   1 /***********************************************************
   2
   3 Copyright 1987, 1998  The Open Group
   4
   5 Permission to use, copy, modify, distribute, and sell this software and its
   6 documentation for any purpose is hereby granted without fee, provided that
   7 the above copyright notice appear in all copies and that both that
   8 copyright notice and this permission notice appear in supporting
   9 documentation.
  10
  11 The above copyright notice and this permission notice shall be included in
  12 all copies or substantial portions of the Software.
  13
  14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20
  21 Except as contained in this notice, the name of The Open Group shall not be
  22 used in advertising or otherwise to promote the sale, use or other dealings
  23 in this Software without prior written authorization from The Open Group.
  24
  25
  26 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
  27
  28                         All Rights Reserved
  29
  30 Permission to use, copy, modify, and distribute this software and its
  31 documentation for any purpose and without fee is hereby granted,
  32 provided that the above copyright notice appear in all copies and that
  33 both that copyright notice and this permission notice appear in
  34 supporting documentation, and that the name of Digital not be
  35 used in advertising or publicity pertaining to distribution of the
  36 software without specific, written prior permission.
  37
  38 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  39 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  40 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  41 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  42 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  43 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  44 SOFTWARE.
  45
  46 ******************************************************************/
  47
  48 #ifndef GC_H
  49 #define GC_H
  50
  51 #include <X11/X.h>      /* for GContext, Mask */
  52 #include <X11/Xdefs.h>  /* for Bool */
  53 #include <X11/Xproto.h>
  54 #include "screenint.h"  /* for ScreenPtr */
  55 #include "pixmap.h"     /* for DrawablePtr */
  56
  57 /* clientClipType field in GC */
  58 #define CT_NONE                 0
  59 #define CT_PIXMAP               1
  60 #define CT_REGION               2
  61 #define CT_UNSORTED             6
  62 #define CT_YSORTED              10
  63 #define CT_YXSORTED             14
  64 #define CT_YXBANDED             18
  65
  66 #define GCQREASON_VALIDATE      1
  67 #define GCQREASON_CHANGE        2
  68 #define GCQREASON_COPY_SRC      3
  69 #define GCQREASON_COPY_DST      4
  70 #define GCQREASON_DESTROY       5
  71
  72 #define GC_CHANGE_SERIAL_BIT        (((unsigned long)1)<<31)
  73 #define GC_CALL_VALIDATE_BIT        (1L<<30)
  74 #define GCExtensionInterest   (1L<<29)
  75
  76 #define DRAWABLE_SERIAL_BITS        (~(GC_CHANGE_SERIAL_BIT))
  77
  78 #define MAX_SERIAL_NUM     (1L<<28)
  79
  80 #define NEXT_SERIAL_NUMBER ((++globalSerialNumber) > MAX_SERIAL_NUM ? \
  81             (globalSerialNumber  = 1): globalSerialNumber)
  82
  83 typedef struct _GCInterest *GCInterestPtr;
  84 typedef struct _GC    *GCPtr;
  85 typedef struct _GCOps *GCOpsPtr;
  86
  87 extern void ValidateGC(
  88     DrawablePtr /*pDraw*/,
  89     GCPtr /*pGC*/);
  90
  91 extern int ChangeGC(
  92     GCPtr/*pGC*/,
  93     BITS32 /*mask*/,
  94     XID* /*pval*/);
  95
  96 extern int DoChangeGC(
  97     GCPtr/*pGC*/,
  98     BITS32 /*mask*/,
  99     XID* /*pval*/,
 100     int /*fPointer*/);
 101
 102 typedef union {
 103     CARD32 val;
 104     pointer ptr;
 105 } ChangeGCVal, *ChangeGCValPtr;
 106
 107 extern int dixChangeGC(
 108     ClientPtr /*client*/,
 109     GCPtr /*pGC*/,
 110     BITS32 /*mask*/,
 111     CARD32 * /*pval*/,
 112     ChangeGCValPtr /*pCGCV*/);
 113
 114 extern GCPtr CreateGC(
 115     DrawablePtr /*pDrawable*/,
 116     BITS32 /*mask*/,
 117     XID* /*pval*/,
 118     int* /*pStatus*/);
 119
 120 extern int CopyGC(
 121     GCPtr/*pgcSrc*/,
 122     GCPtr/*pgcDst*/,
 123     BITS32 /*mask*/);
 124
 125 extern int FreeGC(
 126     pointer /*pGC*/,
 127     XID /*gid*/);
 128
 129 extern GCPtr CreateScratchGC(
 130     ScreenPtr /*pScreen*/,
 131     unsigned /*depth*/);
 132
 133 extern void FreeGCperDepth(
 134     int /*screenNum*/);
 135
 136 extern Bool CreateGCperDepth(
 137     int /*screenNum*/);
 138
 139 extern Bool CreateDefaultStipple(
 140     int /*screenNum*/);
 141
 142 extern void FreeDefaultStipple(
 143     int /*screenNum*/);
 144
 145 extern int SetDashes(
 146     GCPtr /*pGC*/,
 147     unsigned /*offset*/,
 148     unsigned /*ndash*/,
 149     unsigned char* /*pdash*/);
 150
 151 extern int VerifyRectOrder(
 152     int /*nrects*/,
 153     xRectangle* /*prects*/,
 154     int /*ordering*/);
 155
 156 extern int SetClipRects(
 157     GCPtr /*pGC*/,
 158     int /*xOrigin*/,
 159     int /*yOrigin*/,
 160     int /*nrects*/,
 161     xRectangle* /*prects*/,
 162     int /*ordering*/);
 163
 164 extern GCPtr GetScratchGC(
 165     unsigned /*depth*/,
 166     ScreenPtr /*pScreen*/);
 167
 168 extern void FreeScratchGC(
 169     GCPtr /*pGC*/);
 170
 171 #endif /* GC_H */