| 1 | /* |
| 2 | * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina. |
| 3 | * |
| 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining |
| 7 | * a copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation on the rights to use, copy, modify, merge, |
| 10 | * publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, |
| 12 | * subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial |
| 16 | * portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 21 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS |
| 22 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 23 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 25 | * SOFTWARE. |
| 26 | */ |
| 27 | |
| 28 | /* |
| 29 | * Authors: |
| 30 | * Kevin E. Martin <kem@redhat.com> |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | /** \file |
| 35 | * This file provides support for GC operations. */ |
| 36 | |
| 37 | #ifdef HAVE_DMX_CONFIG_H |
| 38 | #include <dmx-config.h> |
| 39 | #endif |
| 40 | |
| 41 | #include "dmx.h" |
| 42 | #include "dmxsync.h" |
| 43 | #include "dmxgc.h" |
| 44 | #include "dmxgcops.h" |
| 45 | #include "dmxwindow.h" |
| 46 | #include "dmxpixmap.h" |
| 47 | |
| 48 | #include "mi.h" |
| 49 | #include "gcstruct.h" |
| 50 | #include "pixmapstr.h" |
| 51 | #include "dixfontstr.h" |
| 52 | |
| 53 | #ifdef PANORAMIX |
| 54 | #include "panoramiXsrv.h" |
| 55 | #endif |
| 56 | |
| 57 | #define DMX_GCOPS_SET_DRAWABLE(_pDraw, _draw) \ |
| 58 | do { \ |
| 59 | if ((_pDraw)->type == DRAWABLE_WINDOW) { \ |
| 60 | dmxWinPrivPtr pWinPriv = \ |
| 61 | DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw)); \ |
| 62 | (_draw) = (Drawable)pWinPriv->window; \ |
| 63 | } else { \ |
| 64 | dmxPixPrivPtr pPixPriv = \ |
| 65 | DMX_GET_PIXMAP_PRIV((PixmapPtr)(_pDraw)); \ |
| 66 | (_draw) = (Drawable)pPixPriv->pixmap; \ |
| 67 | } \ |
| 68 | } while (0) |
| 69 | |
| 70 | #define DMX_GCOPS_OFFSCREEN(_pDraw) \ |
| 71 | (!dmxScreens[(_pDraw)->pScreen->myNum].beDisplay || \ |
| 72 | (dmxOffScreenOpt && \ |
| 73 | (_pDraw)->type == DRAWABLE_WINDOW && \ |
| 74 | (DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->offscreen || \ |
| 75 | !DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->window))) |
| 76 | |
| 77 | /** Fill spans -- this function should never be called. */ |
| 78 | void |
| 79 | dmxFillSpans(DrawablePtr pDrawable, GCPtr pGC, |
| 80 | int nInit, DDXPointPtr pptInit, int *pwidthInit, int fSorted) |
| 81 | { |
| 82 | /* Error -- this should never happen! */ |
| 83 | } |
| 84 | |
| 85 | /** Set spans -- this function should never be called. */ |
| 86 | void |
| 87 | dmxSetSpans(DrawablePtr pDrawable, GCPtr pGC, |
| 88 | char *psrc, DDXPointPtr ppt, int *pwidth, int nspans, int fSorted) |
| 89 | { |
| 90 | /* Error -- this should never happen! */ |
| 91 | } |
| 92 | |
| 93 | /** Transfer \a pBits image to back-end server associated with \a |
| 94 | * pDrawable's screen. If primitive subdivision optimization is |
| 95 | * enabled, then only transfer the sections of \a pBits that are |
| 96 | * visible (i.e., not-clipped) to the back-end server. */ |
| 97 | void |
| 98 | dmxPutImage(DrawablePtr pDrawable, GCPtr pGC, |
| 99 | int depth, int x, int y, int w, int h, |
| 100 | int leftPad, int format, char *pBits) |
| 101 | { |
| 102 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 103 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 104 | XImage *img; |
| 105 | |
| 106 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) |
| 107 | return; |
| 108 | |
| 109 | img = XCreateImage(dmxScreen->beDisplay, |
| 110 | dmxScreen->beVisuals[dmxScreen->beDefVisualIndex].visual, |
| 111 | depth, format, leftPad, pBits, w, h, |
| 112 | BitmapPad(dmxScreen->beDisplay), |
| 113 | (format == ZPixmap) ? |
| 114 | PixmapBytePad(w, depth) : BitmapBytePad(w + leftPad)); |
| 115 | |
| 116 | if (img) { |
| 117 | Drawable draw; |
| 118 | |
| 119 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 120 | |
| 121 | if (dmxSubdividePrimitives && pGC->pCompositeClip) { |
| 122 | RegionPtr pSubImages; |
| 123 | RegionPtr pClip; |
| 124 | BoxRec box; |
| 125 | BoxPtr pBox; |
| 126 | int nBox; |
| 127 | |
| 128 | box.x1 = x; |
| 129 | box.y1 = y; |
| 130 | box.x2 = x + w; |
| 131 | box.y2 = y + h; |
| 132 | pSubImages = RegionCreate(&box, 1); |
| 133 | |
| 134 | pClip = RegionCreate(NullBox, 1); |
| 135 | RegionCopy(pClip, pGC->pCompositeClip); |
| 136 | RegionTranslate(pClip, -pDrawable->x, -pDrawable->y); |
| 137 | RegionIntersect(pSubImages, pSubImages, pClip); |
| 138 | |
| 139 | nBox = RegionNumRects(pSubImages); |
| 140 | pBox = RegionRects(pSubImages); |
| 141 | |
| 142 | while (nBox--) { |
| 143 | XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc, img, |
| 144 | pBox->x1 - box.x1, |
| 145 | pBox->y1 - box.y1, |
| 146 | pBox->x1, |
| 147 | pBox->y1, pBox->x2 - pBox->x1, pBox->y2 - pBox->y1); |
| 148 | pBox++; |
| 149 | } |
| 150 | RegionDestroy(pClip); |
| 151 | RegionDestroy(pSubImages); |
| 152 | } |
| 153 | else { |
| 154 | XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc, |
| 155 | img, 0, 0, x, y, w, h); |
| 156 | } |
| 157 | XFree(img); /* Use XFree instead of XDestroyImage |
| 158 | * because pBits is passed in from the |
| 159 | * caller. */ |
| 160 | |
| 161 | dmxSync(dmxScreen, FALSE); |
| 162 | } |
| 163 | else { |
| 164 | /* Error -- this should not happen! */ |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | /** Copy area from \a pSrc drawable to \a pDst drawable on the back-end |
| 169 | * server associated with \a pSrc drawable's screen. If the offscreen |
| 170 | * optimization is enabled, only copy when both \a pSrc and \a pDst are |
| 171 | * at least partially visible. */ |
| 172 | RegionPtr |
| 173 | dmxCopyArea(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, |
| 174 | int srcx, int srcy, int w, int h, int dstx, int dsty) |
| 175 | { |
| 176 | DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum]; |
| 177 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 178 | Drawable srcDraw, dstDraw; |
| 179 | |
| 180 | if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst)) |
| 181 | return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h, |
| 182 | dstx, dsty, 0L); |
| 183 | |
| 184 | DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw); |
| 185 | DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw); |
| 186 | |
| 187 | XCopyArea(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc, |
| 188 | srcx, srcy, w, h, dstx, dsty); |
| 189 | dmxSync(dmxScreen, FALSE); |
| 190 | |
| 191 | return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty, 0L); |
| 192 | } |
| 193 | |
| 194 | /** Copy plane number \a bitPlane from \a pSrc drawable to \a pDst |
| 195 | * drawable on the back-end server associated with \a pSrc drawable's |
| 196 | * screen. If the offscreen optimization is enabled, only copy when |
| 197 | * both \a pSrc and \a pDst are at least partially visible. */ |
| 198 | RegionPtr |
| 199 | dmxCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, |
| 200 | int srcx, int srcy, int width, int height, |
| 201 | int dstx, int dsty, unsigned long bitPlane) |
| 202 | { |
| 203 | DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum]; |
| 204 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 205 | Drawable srcDraw, dstDraw; |
| 206 | |
| 207 | if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst)) |
| 208 | return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height, |
| 209 | dstx, dsty, bitPlane); |
| 210 | |
| 211 | DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw); |
| 212 | DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw); |
| 213 | |
| 214 | XCopyPlane(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc, |
| 215 | srcx, srcy, width, height, dstx, dsty, bitPlane); |
| 216 | dmxSync(dmxScreen, FALSE); |
| 217 | |
| 218 | return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height, |
| 219 | dstx, dsty, bitPlane); |
| 220 | } |
| 221 | |
| 222 | /** Render list of points, \a pptInit in \a pDrawable on the back-end |
| 223 | * server associated with \a pDrawable's screen. If the offscreen |
| 224 | * optimization is enabled, only draw when \a pDrawable is at least |
| 225 | * partially visible. */ |
| 226 | void |
| 227 | dmxPolyPoint(DrawablePtr pDrawable, GCPtr pGC, |
| 228 | int mode, int npt, DDXPointPtr pptInit) |
| 229 | { |
| 230 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 231 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 232 | Drawable draw; |
| 233 | |
| 234 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) |
| 235 | return; |
| 236 | |
| 237 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 238 | |
| 239 | XDrawPoints(dmxScreen->beDisplay, draw, pGCPriv->gc, |
| 240 | (XPoint *) pptInit, npt, mode); |
| 241 | dmxSync(dmxScreen, FALSE); |
| 242 | } |
| 243 | |
| 244 | /** Render list of connected lines, \a pptInit in \a pDrawable on the |
| 245 | * back-end server associated with \a pDrawable's screen. If the |
| 246 | * offscreen optimization is enabled, only draw when \a pDrawable is at |
| 247 | * least partially visible. */ |
| 248 | void |
| 249 | dmxPolylines(DrawablePtr pDrawable, GCPtr pGC, |
| 250 | int mode, int npt, DDXPointPtr pptInit) |
| 251 | { |
| 252 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 253 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 254 | Drawable draw; |
| 255 | |
| 256 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) |
| 257 | return; |
| 258 | |
| 259 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 260 | |
| 261 | XDrawLines(dmxScreen->beDisplay, draw, pGCPriv->gc, |
| 262 | (XPoint *) pptInit, npt, mode); |
| 263 | dmxSync(dmxScreen, FALSE); |
| 264 | } |
| 265 | |
| 266 | /** Render list of disjoint segments, \a pSegs in \a pDrawable on the |
| 267 | * back-end server associated with \a pDrawable's screen. If the |
| 268 | * offscreen optimization is enabled, only draw when \a pDrawable is at |
| 269 | * least partially visible. */ |
| 270 | void |
| 271 | dmxPolySegment(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pSegs) |
| 272 | { |
| 273 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 274 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 275 | Drawable draw; |
| 276 | |
| 277 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) |
| 278 | return; |
| 279 | |
| 280 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 281 | |
| 282 | XDrawSegments(dmxScreen->beDisplay, draw, pGCPriv->gc, |
| 283 | (XSegment *) pSegs, nseg); |
| 284 | dmxSync(dmxScreen, FALSE); |
| 285 | } |
| 286 | |
| 287 | /** Render list of rectangle outlines, \a pRects in \a pDrawable on the |
| 288 | * back-end server associated with \a pDrawable's screen. If the |
| 289 | * offscreen optimization is enabled, only draw when \a pDrawable is at |
| 290 | * least partially visible. */ |
| 291 | void |
| 292 | dmxPolyRectangle(DrawablePtr pDrawable, GCPtr pGC, |
| 293 | int nrects, xRectangle *pRects) |
| 294 | { |
| 295 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 296 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 297 | Drawable draw; |
| 298 | |
| 299 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) |
| 300 | return; |
| 301 | |
| 302 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 303 | |
| 304 | XDrawRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc, |
| 305 | (XRectangle *) pRects, nrects); |
| 306 | |
| 307 | dmxSync(dmxScreen, FALSE); |
| 308 | } |
| 309 | |
| 310 | /** Render list of arc outlines, \a parcs in \a pDrawable on the |
| 311 | * back-end server associated with \a pDrawable's screen. If the |
| 312 | * offscreen optimization is enabled, only draw when \a pDrawable is at |
| 313 | * least partially visible. */ |
| 314 | void |
| 315 | dmxPolyArc(DrawablePtr pDrawable, GCPtr pGC, int narcs, xArc * parcs) |
| 316 | { |
| 317 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 318 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 319 | Drawable draw; |
| 320 | |
| 321 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) |
| 322 | return; |
| 323 | |
| 324 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 325 | |
| 326 | XDrawArcs(dmxScreen->beDisplay, draw, pGCPriv->gc, (XArc *) parcs, narcs); |
| 327 | dmxSync(dmxScreen, FALSE); |
| 328 | } |
| 329 | |
| 330 | /** Render a filled polygons in \a pDrawable on the back-end server |
| 331 | * associated with \a pDrawable's screen. If the offscreen |
| 332 | * optimization is enabled, only draw when \a pDrawable is at least |
| 333 | * partially visible. */ |
| 334 | void |
| 335 | dmxFillPolygon(DrawablePtr pDrawable, GCPtr pGC, |
| 336 | int shape, int mode, int count, DDXPointPtr pPts) |
| 337 | { |
| 338 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 339 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 340 | Drawable draw; |
| 341 | |
| 342 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) |
| 343 | return; |
| 344 | |
| 345 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 346 | |
| 347 | XFillPolygon(dmxScreen->beDisplay, draw, pGCPriv->gc, |
| 348 | (XPoint *) pPts, count, shape, mode); |
| 349 | dmxSync(dmxScreen, FALSE); |
| 350 | } |
| 351 | |
| 352 | /** Render list of filled rectangles, \a prectInit in \a pDrawable on |
| 353 | * the back-end server associated with \a pDrawable's screen. If the |
| 354 | * offscreen optimization is enabled, only draw when \a pDrawable is at |
| 355 | * least partially visible. */ |
| 356 | void |
| 357 | dmxPolyFillRect(DrawablePtr pDrawable, GCPtr pGC, |
| 358 | int nrectFill, xRectangle *prectInit) |
| 359 | { |
| 360 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 361 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 362 | Drawable draw; |
| 363 | |
| 364 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) |
| 365 | return; |
| 366 | |
| 367 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 368 | |
| 369 | XFillRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc, |
| 370 | (XRectangle *) prectInit, nrectFill); |
| 371 | dmxSync(dmxScreen, FALSE); |
| 372 | } |
| 373 | |
| 374 | /** Render list of filled arcs, \a parcs in \a pDrawable on the back-end |
| 375 | * server associated with \a pDrawable's screen. If the offscreen |
| 376 | * optimization is enabled, only draw when \a pDrawable is at least |
| 377 | * partially visible. */ |
| 378 | void |
| 379 | dmxPolyFillArc(DrawablePtr pDrawable, GCPtr pGC, int narcs, xArc * parcs) |
| 380 | { |
| 381 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 382 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 383 | Drawable draw; |
| 384 | |
| 385 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) |
| 386 | return; |
| 387 | |
| 388 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 389 | |
| 390 | XFillArcs(dmxScreen->beDisplay, draw, pGCPriv->gc, (XArc *) parcs, narcs); |
| 391 | dmxSync(dmxScreen, FALSE); |
| 392 | } |
| 393 | |
| 394 | /** Render string of 8-bit \a chars (foreground only) in \a pDrawable on |
| 395 | * the back-end server associated with \a pDrawable's screen. If the |
| 396 | * offscreen optimization is enabled, only draw when \a pDrawable is at |
| 397 | * least partially visible. */ |
| 398 | int |
| 399 | dmxPolyText8(DrawablePtr pDrawable, GCPtr pGC, |
| 400 | int x, int y, int count, char *chars) |
| 401 | { |
| 402 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 403 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 404 | unsigned long n, i; |
| 405 | int w; |
| 406 | CharInfoPtr charinfo[255]; |
| 407 | Drawable draw; |
| 408 | |
| 409 | GetGlyphs(pGC->font, (unsigned long) count, (unsigned char *) chars, |
| 410 | Linear8Bit, &n, charinfo); |
| 411 | |
| 412 | /* Calculate text width */ |
| 413 | w = 0; |
| 414 | for (i = 0; i < n; i++) |
| 415 | w += charinfo[i]->metrics.characterWidth; |
| 416 | |
| 417 | if (n != 0 && !DMX_GCOPS_OFFSCREEN(pDrawable)) { |
| 418 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 419 | |
| 420 | XDrawString(dmxScreen->beDisplay, draw, pGCPriv->gc, |
| 421 | x, y, chars, count); |
| 422 | dmxSync(dmxScreen, FALSE); |
| 423 | } |
| 424 | |
| 425 | return x + w; |
| 426 | } |
| 427 | |
| 428 | /** Render string of 16-bit \a chars (foreground only) in \a pDrawable |
| 429 | * on the back-end server associated with \a pDrawable's screen. If |
| 430 | * the offscreen optimization is enabled, only draw when \a pDrawable |
| 431 | * is at least partially visible. */ |
| 432 | int |
| 433 | dmxPolyText16(DrawablePtr pDrawable, GCPtr pGC, |
| 434 | int x, int y, int count, unsigned short *chars) |
| 435 | { |
| 436 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 437 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 438 | unsigned long n, i; |
| 439 | int w; |
| 440 | CharInfoPtr charinfo[255]; |
| 441 | Drawable draw; |
| 442 | |
| 443 | GetGlyphs(pGC->font, (unsigned long) count, (unsigned char *) chars, |
| 444 | (FONTLASTROW(pGC->font) == 0) ? Linear16Bit : TwoD16Bit, |
| 445 | &n, charinfo); |
| 446 | |
| 447 | /* Calculate text width */ |
| 448 | w = 0; |
| 449 | for (i = 0; i < n; i++) |
| 450 | w += charinfo[i]->metrics.characterWidth; |
| 451 | |
| 452 | if (n != 0 && !DMX_GCOPS_OFFSCREEN(pDrawable)) { |
| 453 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 454 | |
| 455 | XDrawString16(dmxScreen->beDisplay, draw, pGCPriv->gc, |
| 456 | x, y, (XChar2b *) chars, count); |
| 457 | dmxSync(dmxScreen, FALSE); |
| 458 | } |
| 459 | |
| 460 | return x + w; |
| 461 | } |
| 462 | |
| 463 | /** Render string of 8-bit \a chars (both foreground and background) in |
| 464 | * \a pDrawable on the back-end server associated with \a pDrawable's |
| 465 | * screen. If the offscreen optimization is enabled, only draw when \a |
| 466 | * pDrawable is at least partially visible. */ |
| 467 | void |
| 468 | dmxImageText8(DrawablePtr pDrawable, GCPtr pGC, |
| 469 | int x, int y, int count, char *chars) |
| 470 | { |
| 471 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 472 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 473 | Drawable draw; |
| 474 | |
| 475 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) |
| 476 | return; |
| 477 | |
| 478 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 479 | |
| 480 | XDrawImageString(dmxScreen->beDisplay, draw, pGCPriv->gc, |
| 481 | x, y, chars, count); |
| 482 | dmxSync(dmxScreen, FALSE); |
| 483 | } |
| 484 | |
| 485 | /** Render string of 16-bit \a chars (both foreground and background) in |
| 486 | * \a pDrawable on the back-end server associated with \a pDrawable's |
| 487 | * screen. If the offscreen optimization is enabled, only draw when \a |
| 488 | * pDrawable is at least partially visible. */ |
| 489 | void |
| 490 | dmxImageText16(DrawablePtr pDrawable, GCPtr pGC, |
| 491 | int x, int y, int count, unsigned short *chars) |
| 492 | { |
| 493 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 494 | dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); |
| 495 | Drawable draw; |
| 496 | |
| 497 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) |
| 498 | return; |
| 499 | |
| 500 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 501 | |
| 502 | XDrawImageString16(dmxScreen->beDisplay, draw, pGCPriv->gc, |
| 503 | x, y, (XChar2b *) chars, count); |
| 504 | dmxSync(dmxScreen, FALSE); |
| 505 | } |
| 506 | |
| 507 | /** Image Glyph Blt -- this function should never be called. */ |
| 508 | void |
| 509 | dmxImageGlyphBlt(DrawablePtr pDrawable, GCPtr pGC, |
| 510 | int x, int y, unsigned int nglyph, |
| 511 | CharInfoPtr * ppci, pointer pglyphBase) |
| 512 | { |
| 513 | /* Error -- this should never happen! */ |
| 514 | } |
| 515 | |
| 516 | /** Poly Glyph Blt -- this function should never be called. */ |
| 517 | void |
| 518 | dmxPolyGlyphBlt(DrawablePtr pDrawable, GCPtr pGC, |
| 519 | int x, int y, unsigned int nglyph, |
| 520 | CharInfoPtr * ppci, pointer pglyphBase) |
| 521 | { |
| 522 | /* Error -- this should never happen! */ |
| 523 | } |
| 524 | |
| 525 | /** Push Pixels -- this function should never be called. */ |
| 526 | void |
| 527 | dmxPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDst, |
| 528 | int w, int h, int x, int y) |
| 529 | { |
| 530 | /* Error -- this should never happen! */ |
| 531 | } |
| 532 | |
| 533 | /********************************************************************** |
| 534 | * Miscellaneous drawing commands |
| 535 | */ |
| 536 | |
| 537 | /** When Xinerama is active, the client pixmaps are always obtained from |
| 538 | * screen 0. When screen 0 is detached, the pixmaps must be obtained |
| 539 | * from any other screen that is not detached. Usually, this is screen |
| 540 | * 1. */ |
| 541 | static DMXScreenInfo * |
| 542 | dmxFindAlternatePixmap(DrawablePtr pDrawable, XID *draw) |
| 543 | { |
| 544 | #ifdef PANORAMIX |
| 545 | PanoramiXRes *pXinPix; |
| 546 | int i; |
| 547 | DMXScreenInfo *dmxScreen; |
| 548 | |
| 549 | if (noPanoramiXExtension) |
| 550 | return NULL; |
| 551 | if (pDrawable->type != DRAWABLE_PIXMAP) |
| 552 | return NULL; |
| 553 | |
| 554 | if (Success != dixLookupResourceByType((pointer *) &pXinPix, |
| 555 | pDrawable->id, XRT_PIXMAP, |
| 556 | NullClient, DixUnknownAccess)) |
| 557 | return NULL; |
| 558 | |
| 559 | FOR_NSCREENS_FORWARD_SKIP(i) { |
| 560 | dmxScreen = &dmxScreens[i]; |
| 561 | if (dmxScreen->beDisplay) { |
| 562 | PixmapPtr pSrc; |
| 563 | dmxPixPrivPtr pSrcPriv; |
| 564 | |
| 565 | dixLookupResourceByType((pointer *) &pSrc, pXinPix->info[i].id, |
| 566 | RT_PIXMAP, NullClient, DixUnknownAccess); |
| 567 | pSrcPriv = DMX_GET_PIXMAP_PRIV(pSrc); |
| 568 | if (pSrcPriv->pixmap) { |
| 569 | *draw = pSrcPriv->pixmap; |
| 570 | return dmxScreen; |
| 571 | } |
| 572 | } |
| 573 | } |
| 574 | #endif |
| 575 | return NULL; |
| 576 | } |
| 577 | |
| 578 | /** Get an image from the back-end server associated with \a pDrawable's |
| 579 | * screen. If \a pDrawable is a window, it must be viewable to get an |
| 580 | * image from it. If it is not viewable, then get the image from the |
| 581 | * first ancestor of \a pDrawable that is viewable. If no viewable |
| 582 | * ancestor is found, then simply return without getting an image. */ |
| 583 | void |
| 584 | dmxGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h, |
| 585 | unsigned int format, unsigned long planeMask, char *pdstLine) |
| 586 | { |
| 587 | DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; |
| 588 | XImage *img; |
| 589 | Drawable draw; |
| 590 | |
| 591 | /* Cannot get image from unviewable window */ |
| 592 | if (pDrawable->type == DRAWABLE_WINDOW) { |
| 593 | WindowPtr pWindow = (WindowPtr) pDrawable; |
| 594 | |
| 595 | if (!pWindow->viewable) { |
| 596 | while (!pWindow->viewable && pWindow->parent) { |
| 597 | sx += pWindow->origin.x - wBorderWidth(pWindow); |
| 598 | sx += pWindow->origin.y - wBorderWidth(pWindow); |
| 599 | pWindow = pWindow->parent; |
| 600 | } |
| 601 | if (!pWindow->viewable) { |
| 602 | return; |
| 603 | } |
| 604 | } |
| 605 | DMX_GCOPS_SET_DRAWABLE(&pWindow->drawable, draw); |
| 606 | if (DMX_GCOPS_OFFSCREEN(&pWindow->drawable)) |
| 607 | return; |
| 608 | } |
| 609 | else { |
| 610 | DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); |
| 611 | if (DMX_GCOPS_OFFSCREEN(pDrawable)) { |
| 612 | /* Try to find the pixmap on a non-detached Xinerama screen */ |
| 613 | dmxScreen = dmxFindAlternatePixmap(pDrawable, &draw); |
| 614 | if (!dmxScreen) |
| 615 | return; |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | img = XGetImage(dmxScreen->beDisplay, draw, |
| 620 | sx, sy, w, h, planeMask, format); |
| 621 | if (img) { |
| 622 | int len = img->bytes_per_line * img->height; |
| 623 | |
| 624 | memmove(pdstLine, img->data, len); |
| 625 | XDestroyImage(img); |
| 626 | } |
| 627 | |
| 628 | dmxSync(dmxScreen, FALSE); |
| 629 | } |
| 630 | |
| 631 | /** Get Spans -- this function should never be called. */ |
| 632 | void |
| 633 | dmxGetSpans(DrawablePtr pDrawable, int wMax, |
| 634 | DDXPointPtr ppt, int *pwidth, int nspans, char *pdstStart) |
| 635 | { |
| 636 | /* Error -- this should never happen! */ |
| 637 | } |