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 /*
  37  * Local prototypes
  38  */
  39
  40 #if 0
  41 static void
  42  winChangeGCNativeGDI(GCPtr pGC, unsigned long ulChanges);
  43 #endif
  44
  45 static void
  46
  47 winValidateGCNativeGDI(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable);
  48
  49 #if 0
  50 static void
  51  winCopyGCNativeGDI(GCPtr pGCsrc, unsigned long ulMask, GCPtr pGCdst);
  52 #endif
  53
  54 static void
  55  winDestroyGCNativeGDI(GCPtr pGC);
  56
  57 #if 0
  58 static void
  59  winChangeClipNativeGDI(GCPtr pGC, int nType, pointer pValue, int nRects);
  60
  61 static void
  62  winDestroyClipNativeGDI(GCPtr pGC);
  63
  64 static void
  65  winCopyClipNativeGDI(GCPtr pGCdst, GCPtr pGCsrc);
  66 #endif
  67
  68 #if 0
  69 /* GC Handling Routines */
  70 const GCFuncs winGCFuncs = {
  71     winValidateGCNativeGDI,
  72     winChangeGCNativeGDI,
  73     winCopyGCNativeGDI,
  74     winDestroyGCNativeGDI,
  75     winChangeClipNativeGDI,
  76     winDestroyClipNativeGDI,
  77     winCopyClipNativeGDI,
  78 };
  79 #else
  80 const GCFuncs winGCFuncs = {
  81     winValidateGCNativeGDI,
  82     miChangeGC,
  83     miCopyGC,
  84     winDestroyGCNativeGDI,
  85     miChangeClip,
  86     miDestroyClip,
  87     miCopyClip,
  88 };
  89 #endif
  90
  91 /* Drawing Primitives */
  92 const GCOps winGCOps = {
  93     winFillSpansNativeGDI,
  94     winSetSpansNativeGDI,
  95     miPutImage,
  96     miCopyArea,
  97     miCopyPlane,
  98     miPolyPoint,
  99     winPolyLineNativeGDI,
 100     miPolySegment,
 101     miPolyRectangle,
 102     miPolyArc,
 103     miFillPolygon,
 104     miPolyFillRect,
 105     miPolyFillArc,
 106     miPolyText8,
 107     miPolyText16,
 108     miImageText8,
 109     miImageText16,
 110 #if 0
 111     winImageGlyphBltNativeGDI,
 112     winPolyGlyphBltNativeGDI,
 113 #else
 114     miImageGlyphBlt,
 115     miPolyGlyphBlt,
 116 #endif
 117     miPushPixels,
 118 };
 119
 120 /* See Porting Layer Definition - p. 45 */
 121 /* See mfb/mfbgc.c - mfbCreateGC() */
 122 /* See Strategies for Porting - pp. 15, 16 */
 123 Bool
 124 winCreateGCNativeGDI(GCPtr pGC)
 125 {
 126     winPrivGCPtr pGCPriv = NULL;
 127     winPrivScreenPtr pScreenPriv = NULL;
 128
 129 #if 0
 130     ErrorF("winCreateGCNativeGDI - depth: %d\n", pGC->depth);
 131 #endif
 132
 133     pGC->ops = (GCOps *) &winGCOps;
 134     pGC->funcs = (GCFuncs *) &winGCFuncs;
 135
 136     /* We want all coordinates passed to spans functions to be screen relative */
 137     pGC->miTranslate = TRUE;
 138
 139     /* Allocate privates for this GC */
 140     pGCPriv = winGetGCPriv(pGC);
 141     if (pGCPriv == NULL) {
 142         ErrorF("winCreateGCNativeGDI () - Privates pointer was NULL\n");
 143         return FALSE;
 144     }
 145
 146     /* Create a new screen DC for the display window */
 147     pScreenPriv = winGetScreenPriv(pGC->pScreen);
 148     pGCPriv->hdc = GetDC(pScreenPriv->hwndScreen);
 149
 150     /* Allocate a memory DC for the GC */
 151     pGCPriv->hdcMem = CreateCompatibleDC(pGCPriv->hdc);
 152
 153     return TRUE;
 154 }
 155
 156 #if 0
 157 /* See Porting Layer Definition - p. 45 */
 158 static void
 159 winChangeGCNativeGDI(GCPtr pGC, unsigned long ulChanges)
 160 {
 161 #if 0
 162     ErrorF("winChangeGCNativeGDI () - Doing nothing\n");
 163 #endif
 164 }
 165 #endif
 166
 167 static void
 168 winValidateGCNativeGDI(GCPtr pGC,
 169                        unsigned long ulChanges, DrawablePtr pDrawable)
 170 {
 171     if ((ulChanges &
 172          (GCClipXOrigin | GCClipYOrigin | GCClipMask | GCSubwindowMode))
 173         || (pDrawable->serialNumber !=
 174             (pGC->serialNumber & DRAWABLE_SERIAL_BITS))) {
 175         miComputeCompositeClip(pGC, pDrawable);
 176     }
 177 }
 178
 179 #if 0
 180 /* See Porting Layer Definition - p. 46 */
 181 static void
 182 winCopyGCNativeGDI(GCPtr pGCsrc, unsigned long ulMask, GCPtr pGCdst)
 183 {
 184
 185 }
 186 #endif
 187
 188 /* See Porting Layer Definition - p. 46 */
 189 static void
 190 winDestroyGCNativeGDI(GCPtr pGC)
 191 {
 192     winGCPriv(pGC);
 193     winScreenPriv(pGC->pScreen);
 194
 195     if (pGC->freeCompClip)
 196         RegionDestroy(pGC->pCompositeClip);
 197
 198     /* Free the memory DC */
 199     if (pGCPriv->hdcMem != NULL) {
 200         DeleteDC(pGCPriv->hdcMem);
 201         pGCPriv->hdcMem = NULL;
 202     }
 203
 204     /* Release the screen DC for the display window */
 205     if (pGCPriv->hdc != NULL) {
 206         ReleaseDC(pScreenPriv->hwndScreen, pGCPriv->hdc);
 207         pGCPriv->hdc = NULL;
 208     }
 209
 210     /* Invalidate the GC privates pointer */
 211     winSetGCPriv(pGC, NULL);
 212 }
 213
 214 #if 0
 215 /* See Porting Layer Definition - p. 46 */
 216 static void
 217 winChangeClipNativeGDI(GCPtr pGC, int nType, pointer pValue, int nRects)
 218 {
 219
 220 }
 221
 222 /* See Porting Layer Definition - p. 47 */
 223 static void
 224 winDestroyClipNativeGDI(GCPtr pGC)
 225 {
 226
 227 }
 228
 229 /* See Porting Layer Definition - p. 47 */
 230 static void
 231 winCopyClipNativeGDI(GCPtr pGCdst, GCPtr pGCsrc)
 232 {
 233
 234 }
 235 #endif