| 1 | /* |
| 2 | |
| 3 | Copyright 1993 by Davor Matic |
| 4 | |
| 5 | Permission to use, copy, modify, distribute, and sell this software |
| 6 | and its documentation for any purpose is hereby granted without fee, |
| 7 | provided that the above copyright notice appear in all copies and that |
| 8 | both that copyright notice and this permission notice appear in |
| 9 | supporting documentation. Davor Matic makes no representations about |
| 10 | the suitability of this software for any purpose. It is provided "as |
| 11 | is" without express or implied warranty. |
| 12 | |
| 13 | */ |
| 14 | |
| 15 | #ifdef HAVE_XNEST_CONFIG_H |
| 16 | #include <xnest-config.h> |
| 17 | #endif |
| 18 | |
| 19 | #include <X11/X.h> |
| 20 | #include <X11/Xproto.h> |
| 21 | #include "gcstruct.h" |
| 22 | #include "windowstr.h" |
| 23 | #include "pixmapstr.h" |
| 24 | #include "scrnintstr.h" |
| 25 | #include <X11/fonts/fontstruct.h> |
| 26 | #include "mistruct.h" |
| 27 | #include "region.h" |
| 28 | |
| 29 | #include "Xnest.h" |
| 30 | |
| 31 | #include "Display.h" |
| 32 | #include "XNGC.h" |
| 33 | #include "GCOps.h" |
| 34 | #include "Drawable.h" |
| 35 | #include "XNFont.h" |
| 36 | #include "Color.h" |
| 37 | |
| 38 | DevPrivateKeyRec xnestGCPrivateKeyRec; |
| 39 | |
| 40 | static GCFuncs xnestFuncs = { |
| 41 | xnestValidateGC, |
| 42 | xnestChangeGC, |
| 43 | xnestCopyGC, |
| 44 | xnestDestroyGC, |
| 45 | xnestChangeClip, |
| 46 | xnestDestroyClip, |
| 47 | xnestCopyClip, |
| 48 | }; |
| 49 | |
| 50 | static GCOps xnestOps = { |
| 51 | xnestFillSpans, |
| 52 | xnestSetSpans, |
| 53 | xnestPutImage, |
| 54 | xnestCopyArea, |
| 55 | xnestCopyPlane, |
| 56 | xnestPolyPoint, |
| 57 | xnestPolylines, |
| 58 | xnestPolySegment, |
| 59 | xnestPolyRectangle, |
| 60 | xnestPolyArc, |
| 61 | xnestFillPolygon, |
| 62 | xnestPolyFillRect, |
| 63 | xnestPolyFillArc, |
| 64 | xnestPolyText8, |
| 65 | xnestPolyText16, |
| 66 | xnestImageText8, |
| 67 | xnestImageText16, |
| 68 | xnestImageGlyphBlt, |
| 69 | xnestPolyGlyphBlt, |
| 70 | xnestPushPixels |
| 71 | }; |
| 72 | |
| 73 | Bool |
| 74 | xnestCreateGC(GCPtr pGC) |
| 75 | { |
| 76 | pGC->funcs = &xnestFuncs; |
| 77 | pGC->ops = &xnestOps; |
| 78 | |
| 79 | pGC->miTranslate = 1; |
| 80 | |
| 81 | xnestGCPriv(pGC)->gc = XCreateGC(xnestDisplay, |
| 82 | xnestDefaultDrawables[pGC->depth], |
| 83 | 0L, NULL); |
| 84 | |
| 85 | return True; |
| 86 | } |
| 87 | |
| 88 | void |
| 89 | xnestValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable) |
| 90 | { |
| 91 | } |
| 92 | |
| 93 | void |
| 94 | xnestChangeGC(GCPtr pGC, unsigned long mask) |
| 95 | { |
| 96 | XGCValues values; |
| 97 | |
| 98 | if (mask & GCFunction) |
| 99 | values.function = pGC->alu; |
| 100 | |
| 101 | if (mask & GCPlaneMask) |
| 102 | values.plane_mask = pGC->planemask; |
| 103 | |
| 104 | if (mask & GCForeground) |
| 105 | values.foreground = xnestPixel(pGC->fgPixel); |
| 106 | |
| 107 | if (mask & GCBackground) |
| 108 | values.background = xnestPixel(pGC->bgPixel); |
| 109 | |
| 110 | if (mask & GCLineWidth) |
| 111 | values.line_width = pGC->lineWidth; |
| 112 | |
| 113 | if (mask & GCLineStyle) |
| 114 | values.line_style = pGC->lineStyle; |
| 115 | |
| 116 | if (mask & GCCapStyle) |
| 117 | values.cap_style = pGC->capStyle; |
| 118 | |
| 119 | if (mask & GCJoinStyle) |
| 120 | values.join_style = pGC->joinStyle; |
| 121 | |
| 122 | if (mask & GCFillStyle) |
| 123 | values.fill_style = pGC->fillStyle; |
| 124 | |
| 125 | if (mask & GCFillRule) |
| 126 | values.fill_rule = pGC->fillRule; |
| 127 | |
| 128 | if (mask & GCTile) { |
| 129 | if (pGC->tileIsPixel) |
| 130 | mask &= ~GCTile; |
| 131 | else |
| 132 | values.tile = xnestPixmap(pGC->tile.pixmap); |
| 133 | } |
| 134 | |
| 135 | if (mask & GCStipple) |
| 136 | values.stipple = xnestPixmap(pGC->stipple); |
| 137 | |
| 138 | if (mask & GCTileStipXOrigin) |
| 139 | values.ts_x_origin = pGC->patOrg.x; |
| 140 | |
| 141 | if (mask & GCTileStipYOrigin) |
| 142 | values.ts_y_origin = pGC->patOrg.y; |
| 143 | |
| 144 | if (mask & GCFont) |
| 145 | values.font = xnestFont(pGC->font); |
| 146 | |
| 147 | if (mask & GCSubwindowMode) |
| 148 | values.subwindow_mode = pGC->subWindowMode; |
| 149 | |
| 150 | if (mask & GCGraphicsExposures) |
| 151 | values.graphics_exposures = pGC->graphicsExposures; |
| 152 | |
| 153 | if (mask & GCClipXOrigin) |
| 154 | values.clip_x_origin = pGC->clipOrg.x; |
| 155 | |
| 156 | if (mask & GCClipYOrigin) |
| 157 | values.clip_y_origin = pGC->clipOrg.y; |
| 158 | |
| 159 | if (mask & GCClipMask) /* this is handled in change clip */ |
| 160 | mask &= ~GCClipMask; |
| 161 | |
| 162 | if (mask & GCDashOffset) |
| 163 | values.dash_offset = pGC->dashOffset; |
| 164 | |
| 165 | if (mask & GCDashList) { |
| 166 | mask &= ~GCDashList; |
| 167 | XSetDashes(xnestDisplay, xnestGC(pGC), |
| 168 | pGC->dashOffset, (char *) pGC->dash, pGC->numInDashList); |
| 169 | } |
| 170 | |
| 171 | if (mask & GCArcMode) |
| 172 | values.arc_mode = pGC->arcMode; |
| 173 | |
| 174 | if (mask) |
| 175 | XChangeGC(xnestDisplay, xnestGC(pGC), mask, &values); |
| 176 | } |
| 177 | |
| 178 | void |
| 179 | xnestCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst) |
| 180 | { |
| 181 | XCopyGC(xnestDisplay, xnestGC(pGCSrc), mask, xnestGC(pGCDst)); |
| 182 | } |
| 183 | |
| 184 | void |
| 185 | xnestDestroyGC(GCPtr pGC) |
| 186 | { |
| 187 | XFreeGC(xnestDisplay, xnestGC(pGC)); |
| 188 | } |
| 189 | |
| 190 | void |
| 191 | xnestChangeClip(GCPtr pGC, int type, pointer pValue, int nRects) |
| 192 | { |
| 193 | int i, size; |
| 194 | BoxPtr pBox; |
| 195 | XRectangle *pRects; |
| 196 | |
| 197 | xnestDestroyClipHelper(pGC); |
| 198 | |
| 199 | switch (type) { |
| 200 | case CT_NONE: |
| 201 | XSetClipMask(xnestDisplay, xnestGC(pGC), None); |
| 202 | break; |
| 203 | |
| 204 | case CT_REGION: |
| 205 | nRects = RegionNumRects((RegionPtr) pValue); |
| 206 | size = nRects * sizeof(*pRects); |
| 207 | pRects = (XRectangle *) malloc(size); |
| 208 | pBox = RegionRects((RegionPtr) pValue); |
| 209 | for (i = nRects; i-- > 0;) { |
| 210 | pRects[i].x = pBox[i].x1; |
| 211 | pRects[i].y = pBox[i].y1; |
| 212 | pRects[i].width = pBox[i].x2 - pBox[i].x1; |
| 213 | pRects[i].height = pBox[i].y2 - pBox[i].y1; |
| 214 | } |
| 215 | XSetClipRectangles(xnestDisplay, xnestGC(pGC), 0, 0, |
| 216 | pRects, nRects, Unsorted); |
| 217 | free((char *) pRects); |
| 218 | break; |
| 219 | |
| 220 | case CT_PIXMAP: |
| 221 | XSetClipMask(xnestDisplay, xnestGC(pGC), |
| 222 | xnestPixmap((PixmapPtr) pValue)); |
| 223 | /* |
| 224 | * Need to change into region, so subsequent uses are with |
| 225 | * current pixmap contents. |
| 226 | */ |
| 227 | pGC->clientClip = |
| 228 | (pointer) (*pGC->pScreen->BitmapToRegion) ((PixmapPtr) pValue); |
| 229 | (*pGC->pScreen->DestroyPixmap) ((PixmapPtr) pValue); |
| 230 | pValue = pGC->clientClip; |
| 231 | type = CT_REGION; |
| 232 | break; |
| 233 | |
| 234 | case CT_UNSORTED: |
| 235 | XSetClipRectangles(xnestDisplay, xnestGC(pGC), |
| 236 | pGC->clipOrg.x, pGC->clipOrg.y, |
| 237 | (XRectangle *) pValue, nRects, Unsorted); |
| 238 | break; |
| 239 | |
| 240 | case CT_YSORTED: |
| 241 | XSetClipRectangles(xnestDisplay, xnestGC(pGC), |
| 242 | pGC->clipOrg.x, pGC->clipOrg.y, |
| 243 | (XRectangle *) pValue, nRects, YSorted); |
| 244 | break; |
| 245 | |
| 246 | case CT_YXSORTED: |
| 247 | XSetClipRectangles(xnestDisplay, xnestGC(pGC), |
| 248 | pGC->clipOrg.x, pGC->clipOrg.y, |
| 249 | (XRectangle *) pValue, nRects, YXSorted); |
| 250 | break; |
| 251 | |
| 252 | case CT_YXBANDED: |
| 253 | XSetClipRectangles(xnestDisplay, xnestGC(pGC), |
| 254 | pGC->clipOrg.x, pGC->clipOrg.y, |
| 255 | (XRectangle *) pValue, nRects, YXBanded); |
| 256 | break; |
| 257 | } |
| 258 | |
| 259 | switch (type) { |
| 260 | default: |
| 261 | break; |
| 262 | |
| 263 | case CT_UNSORTED: |
| 264 | case CT_YSORTED: |
| 265 | case CT_YXSORTED: |
| 266 | case CT_YXBANDED: |
| 267 | |
| 268 | /* |
| 269 | * other parts of server can only deal with CT_NONE, |
| 270 | * CT_PIXMAP and CT_REGION client clips. |
| 271 | */ |
| 272 | pGC->clientClip = (pointer) RegionFromRects(nRects, |
| 273 | (xRectangle *) pValue, |
| 274 | type); |
| 275 | free(pValue); |
| 276 | pValue = pGC->clientClip; |
| 277 | type = CT_REGION; |
| 278 | |
| 279 | break; |
| 280 | } |
| 281 | |
| 282 | pGC->clientClipType = type; |
| 283 | pGC->clientClip = pValue; |
| 284 | } |
| 285 | |
| 286 | void |
| 287 | xnestDestroyClip(GCPtr pGC) |
| 288 | { |
| 289 | xnestDestroyClipHelper(pGC); |
| 290 | |
| 291 | XSetClipMask(xnestDisplay, xnestGC(pGC), None); |
| 292 | |
| 293 | pGC->clientClipType = CT_NONE; |
| 294 | pGC->clientClip = NULL; |
| 295 | } |
| 296 | |
| 297 | void |
| 298 | xnestDestroyClipHelper(GCPtr pGC) |
| 299 | { |
| 300 | switch (pGC->clientClipType) { |
| 301 | default: |
| 302 | case CT_NONE: |
| 303 | break; |
| 304 | |
| 305 | case CT_REGION: |
| 306 | RegionDestroy(pGC->clientClip); |
| 307 | break; |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | void |
| 312 | xnestCopyClip(GCPtr pGCDst, GCPtr pGCSrc) |
| 313 | { |
| 314 | RegionPtr pRgn; |
| 315 | |
| 316 | switch (pGCSrc->clientClipType) { |
| 317 | default: |
| 318 | case CT_NONE: |
| 319 | xnestDestroyClip(pGCDst); |
| 320 | break; |
| 321 | |
| 322 | case CT_REGION: |
| 323 | pRgn = RegionCreate(NULL, 1); |
| 324 | RegionCopy(pRgn, pGCSrc->clientClip); |
| 325 | xnestChangeClip(pGCDst, CT_REGION, pRgn, 0); |
| 326 | break; |
| 327 | } |
| 328 | } |