xorg-server-1.4/hw/xwin/wingc.c

   1 /*
   2  *Copyright (C) 2001-2004 Harold L Hunt II All Rights Reserved.
   3  *
   4  *Permission is hereby granted, free of charge, to any person obtaining
   5  * a copy of this software and associated documentation files (the
   6  *"Software"), to deal in the Software without restriction, including
   7  *without limitation the rights to use, copy, modify, merge, publish,
   8  *distribute, sublicense, and/or sell copies of the Software, and to
   9  *permit persons to whom the Software is furnished to do so, subject to
  10  *the following conditions:
  11  *
  12  *The above copyright notice and this permission notice shall be
  13  *included in all copies or substantial portions of the Software.
  14  *
  15  *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
  19  *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  20  *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  21  *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  *Except as contained in this notice, the name of Harold L Hunt II
  24  *shall not be used in advertising or otherwise to promote the sale, use
  25  *or other dealings in this Software without prior written authorization
  26  *from Harold L Hunt II.
  27  *
  28  * Authors:     Harold L Hunt II
  29  */
  30
  31 #ifdef HAVE_XWIN_CONFIG_H
  32 #include <xwin-config.h>
  33 #endif
  34 #include "win.h"
  35
  36 void
  37 winPushPixels (GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDrawable, int dx, int dy, int xOrg, int yOrg);
  38
  39
  40 /*
  41  * Local prototypes
  42  */
  43
  44 #if 0
  45 static void
  46 winChangeGCNativeGDI (GCPtr pGC, unsigned long ulChanges);
  47 #endif
  48
  49 static void
  50 winValidateGCNativeGDI (GCPtr pGC,
  51                         unsigned long changes,
  52                         DrawablePtr pDrawable);
  53
  54 #if 0
  55 static void
  56 winCopyGCNativeGDI (GCPtr pGCsrc, unsigned long ulMask, GCPtr pGCdst);
  57 #endif
  58
  59 static void
  60 winDestroyGCNativeGDI (GCPtr pGC);
  61
  62 #if 0
  63 static void
  64 winChangeClipNativeGDI (GCPtr pGC, int nType, pointer pValue, int nRects);
  65
  66 static void
  67 winDestroyClipNativeGDI (GCPtr pGC);
  68
  69 static void
  70 winCopyClipNativeGDI (GCPtr pGCdst, GCPtr pGCsrc);
  71 #endif
  72
  73 #if 0
  74 /* GC Handling Routines */
  75 const GCFuncs winGCFuncs = {
  76   winValidateGCNativeGDI,
  77   winChangeGCNativeGDI,
  78   winCopyGCNativeGDI,
  79   winDestroyGCNativeGDI,
  80   winChangeClipNativeGDI,
  81   winDestroyClipNativeGDI,
  82   winCopyClipNativeGDI,
  83 };
  84 #else
  85 const GCFuncs winGCFuncs = {
  86   winValidateGCNativeGDI,
  87   miChangeGC,
  88   miCopyGC,
  89   winDestroyGCNativeGDI,
  90   miChangeClip,
  91   miDestroyClip,
  92   miCopyClip,
  93 };
  94 #endif
  95
  96 /* Drawing Primitives */
  97 const GCOps winGCOps = {
  98   winFillSpansNativeGDI,
  99   winSetSpansNativeGDI,
 100   miPutImage,
 101   miCopyArea,
 102   miCopyPlane,
 103   miPolyPoint,
 104   winPolyLineNativeGDI,
 105   miPolySegment,
 106   miPolyRectangle,
 107   miPolyArc,
 108   miFillPolygon,
 109   miPolyFillRect,
 110   miPolyFillArc,
 111   miPolyText8,
 112   miPolyText16,
 113   miImageText8,
 114   miImageText16,
 115 #if 0
 116   winImageGlyphBltNativeGDI,
 117   winPolyGlyphBltNativeGDI,
 118 #else
 119   miImageGlyphBlt,
 120   miPolyGlyphBlt,
 121 #endif
 122   winPushPixels
 123 };
 124
 125
 126 /* See Porting Layer Definition - p. 45 */
 127 /* See mfb/mfbgc.c - mfbCreateGC() */
 128 /* See Strategies for Porting - pp. 15, 16 */
 129 Bool
 130 winCreateGCNativeGDI (GCPtr pGC)
 131 {
 132   winPrivGCPtr          pGCPriv = NULL;
 133   winPrivScreenPtr      pScreenPriv = NULL;
 134
 135 #if 0
 136   ErrorF ("winCreateGCNativeGDI - depth: %d\n",
 137           pGC->depth);
 138 #endif
 139
 140   pGC->clientClip = NULL;
 141   pGC->clientClipType = CT_NONE;
 142   pGC->freeCompClip = FALSE;
 143   pGC->pCompositeClip = 0;
 144
 145   pGC->ops = (GCOps *) &winGCOps;
 146   pGC->funcs = (GCFuncs *) &winGCFuncs;
 147
 148   /* We want all coordinates passed to spans functions to be screen relative */
 149   pGC->miTranslate = TRUE;
 150
 151   /* Allocate privates for this GC */
 152   pGCPriv = winGetGCPriv (pGC);
 153   if (pGCPriv == NULL)
 154     {
 155       ErrorF ("winCreateGCNativeGDI () - Privates pointer was NULL\n");
 156       return FALSE;
 157     }
 158
 159   /* Create a new screen DC for the display window */
 160   pScreenPriv = winGetScreenPriv (pGC->pScreen);
 161   pGCPriv->hdc = GetDC (pScreenPriv->hwndScreen);
 162
 163   /* Allocate a memory DC for the GC */
 164   pGCPriv->hdcMem = CreateCompatibleDC (pGCPriv->hdc);
 165
 166   return TRUE;
 167 }
 168
 169
 170 #if 0
 171 /* See Porting Layer Definition - p. 45 */
 172 static void
 173 winChangeGCNativeGDI (GCPtr pGC, unsigned long ulChanges)
 174 {
 175 #if 0
 176   ErrorF ("winChangeGCNativeGDI () - Doing nothing\n");
 177 #endif
 178 }
 179 #endif
 180
 181
 182 static void
 183 winValidateGCNativeGDI (GCPtr pGC,
 184                         unsigned long ulChanges,
 185                         DrawablePtr pDrawable)
 186 {
 187   if ((ulChanges & (GCClipXOrigin | GCClipYOrigin | GCClipMask | GCSubwindowMode))
 188       || (pDrawable->serialNumber != (pGC->serialNumber & DRAWABLE_SERIAL_BITS)))
 189   {
 190     miComputeCompositeClip (pGC, pDrawable);
 191   }
 192 }
 193
 194
 195 #if 0
 196 /* See Porting Layer Definition - p. 46 */
 197 static void
 198 winCopyGCNativeGDI (GCPtr pGCsrc, unsigned long ulMask, GCPtr pGCdst)
 199 {
 200
 201 }
 202 #endif
 203
 204
 205 /* See Porting Layer Definition - p. 46 */
 206 static void
 207 winDestroyGCNativeGDI (GCPtr pGC)
 208 {
 209   winGCPriv(pGC);
 210   winScreenPriv(pGC->pScreen);
 211
 212   if (pGC->freeCompClip)
 213         REGION_DESTROY (pGC->pScreen, pGC->pCompositeClip);
 214
 215   /* Free the memory DC */
 216   if (pGCPriv->hdcMem != NULL)
 217     {
 218       DeleteDC (pGCPriv->hdcMem);
 219       pGCPriv->hdcMem = NULL;
 220     }
 221
 222   /* Release the screen DC for the display window */
 223   if (pGCPriv->hdc != NULL)
 224     {
 225       ReleaseDC (pScreenPriv->hwndScreen, pGCPriv->hdc);
 226       pGCPriv->hdc = NULL;
 227     }
 228
 229   /* Invalidate the GC privates pointer */
 230   winSetGCPriv (pGC, NULL);
 231 }
 232
 233 #if 0
 234 /* See Porting Layer Definition - p. 46 */
 235 static void
 236 winChangeClipNativeGDI (GCPtr pGC, int nType, pointer pValue, int nRects)
 237 {
 238
 239 }
 240
 241
 242 /* See Porting Layer Definition - p. 47 */
 243 static void
 244 winDestroyClipNativeGDI (GCPtr pGC)
 245 {
 246
 247 }
 248
 249
 250 /* See Porting Layer Definition - p. 47 */
 251 static void
 252 winCopyClipNativeGDI (GCPtr pGCdst, GCPtr pGCsrc)
 253 {
 254
 255 }
 256 #endif