| 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 "regionstr.h" |
| 22 | #include <X11/fonts/fontstruct.h> |
| 23 | #include "gcstruct.h" |
| 24 | #include "scrnintstr.h" |
| 25 | #include "windowstr.h" |
| 26 | #include "pixmapstr.h" |
| 27 | #include "region.h" |
| 28 | #include "servermd.h" |
| 29 | |
| 30 | #include "Xnest.h" |
| 31 | |
| 32 | #include "Display.h" |
| 33 | #include "Screen.h" |
| 34 | #include "XNGC.h" |
| 35 | #include "XNFont.h" |
| 36 | #include "GCOps.h" |
| 37 | #include "Drawable.h" |
| 38 | #include "Visual.h" |
| 39 | |
| 40 | void |
| 41 | xnestFillSpans(DrawablePtr pDrawable, GCPtr pGC, int nSpans, xPoint * pPoints, |
| 42 | int *pWidths, int fSorted) |
| 43 | { |
| 44 | ErrorF("xnest warning: function xnestFillSpans not implemented\n"); |
| 45 | } |
| 46 | |
| 47 | void |
| 48 | xnestSetSpans(DrawablePtr pDrawable, GCPtr pGC, char *pSrc, |
| 49 | xPoint * pPoints, int *pWidths, int nSpans, int fSorted) |
| 50 | { |
| 51 | ErrorF("xnest warning: function xnestSetSpans not implemented\n"); |
| 52 | } |
| 53 | |
| 54 | void |
| 55 | xnestGetSpans(DrawablePtr pDrawable, int maxWidth, DDXPointPtr pPoints, |
| 56 | int *pWidths, int nSpans, char *pBuffer) |
| 57 | { |
| 58 | ErrorF("xnest warning: function xnestGetSpans not implemented\n"); |
| 59 | } |
| 60 | |
| 61 | void |
| 62 | xnestQueryBestSize(int class, unsigned short *pWidth, unsigned short *pHeight, |
| 63 | ScreenPtr pScreen) |
| 64 | { |
| 65 | unsigned int width, height; |
| 66 | |
| 67 | width = *pWidth; |
| 68 | height = *pHeight; |
| 69 | |
| 70 | XQueryBestSize(xnestDisplay, class, |
| 71 | xnestDefaultWindows[pScreen->myNum], |
| 72 | width, height, &width, &height); |
| 73 | |
| 74 | *pWidth = width; |
| 75 | *pHeight = height; |
| 76 | } |
| 77 | |
| 78 | void |
| 79 | xnestPutImage(DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y, |
| 80 | int w, int h, int leftPad, int format, char *pImage) |
| 81 | { |
| 82 | XImage *ximage; |
| 83 | |
| 84 | ximage = XCreateImage(xnestDisplay, xnestDefaultVisual(pDrawable->pScreen), |
| 85 | depth, format, leftPad, (char *) pImage, |
| 86 | w, h, BitmapPad(xnestDisplay), |
| 87 | (format == ZPixmap) ? |
| 88 | PixmapBytePad(w, depth) : BitmapBytePad(w + leftPad)); |
| 89 | |
| 90 | if (ximage) { |
| 91 | XPutImage(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 92 | ximage, 0, 0, x, y, w, h); |
| 93 | XFree(ximage); |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | static int |
| 98 | xnestIgnoreErrorHandler (Display *display, |
| 99 | XErrorEvent *event) |
| 100 | { |
| 101 | return False; /* return value is ignored */ |
| 102 | } |
| 103 | |
| 104 | void |
| 105 | xnestGetImage(DrawablePtr pDrawable, int x, int y, int w, int h, |
| 106 | unsigned int format, unsigned long planeMask, char *pImage) |
| 107 | { |
| 108 | XImage *ximage; |
| 109 | int length; |
| 110 | int (*old_handler)(Display*, XErrorEvent*); |
| 111 | |
| 112 | /* we may get BadMatch error when xnest window is minimized */ |
| 113 | XSync(xnestDisplay, False); |
| 114 | old_handler = XSetErrorHandler (xnestIgnoreErrorHandler); |
| 115 | |
| 116 | ximage = XGetImage(xnestDisplay, xnestDrawable(pDrawable), |
| 117 | x, y, w, h, planeMask, format); |
| 118 | XSetErrorHandler(old_handler); |
| 119 | |
| 120 | if (ximage) { |
| 121 | length = ximage->bytes_per_line * ximage->height; |
| 122 | |
| 123 | memmove(pImage, ximage->data, length); |
| 124 | |
| 125 | XDestroyImage(ximage); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | static Bool |
| 130 | xnestBitBlitPredicate(Display * display, XEvent * event, char *args) |
| 131 | { |
| 132 | return event->type == GraphicsExpose || event->type == NoExpose; |
| 133 | } |
| 134 | |
| 135 | static RegionPtr |
| 136 | xnestBitBlitHelper(GCPtr pGC) |
| 137 | { |
| 138 | if (!pGC->graphicsExposures) |
| 139 | return NullRegion; |
| 140 | else { |
| 141 | XEvent event; |
| 142 | RegionPtr pReg, pTmpReg; |
| 143 | BoxRec Box; |
| 144 | Bool pending, overlap; |
| 145 | |
| 146 | pReg = RegionCreate(NULL, 1); |
| 147 | pTmpReg = RegionCreate(NULL, 1); |
| 148 | if (!pReg || !pTmpReg) |
| 149 | return NullRegion; |
| 150 | |
| 151 | pending = True; |
| 152 | while (pending) { |
| 153 | XIfEvent(xnestDisplay, &event, xnestBitBlitPredicate, NULL); |
| 154 | |
| 155 | switch (event.type) { |
| 156 | case NoExpose: |
| 157 | pending = False; |
| 158 | break; |
| 159 | |
| 160 | case GraphicsExpose: |
| 161 | Box.x1 = event.xgraphicsexpose.x; |
| 162 | Box.y1 = event.xgraphicsexpose.y; |
| 163 | Box.x2 = event.xgraphicsexpose.x + event.xgraphicsexpose.width; |
| 164 | Box.y2 = event.xgraphicsexpose.y + event.xgraphicsexpose.height; |
| 165 | RegionReset(pTmpReg, &Box); |
| 166 | RegionAppend(pReg, pTmpReg); |
| 167 | pending = event.xgraphicsexpose.count; |
| 168 | break; |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | RegionDestroy(pTmpReg); |
| 173 | RegionValidate(pReg, &overlap); |
| 174 | return pReg; |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | RegionPtr |
| 179 | xnestCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, |
| 180 | GCPtr pGC, int srcx, int srcy, int width, int height, |
| 181 | int dstx, int dsty) |
| 182 | { |
| 183 | XCopyArea(xnestDisplay, |
| 184 | xnestDrawable(pSrcDrawable), xnestDrawable(pDstDrawable), |
| 185 | xnestGC(pGC), srcx, srcy, width, height, dstx, dsty); |
| 186 | |
| 187 | return xnestBitBlitHelper(pGC); |
| 188 | } |
| 189 | |
| 190 | RegionPtr |
| 191 | xnestCopyPlane(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, |
| 192 | GCPtr pGC, int srcx, int srcy, int width, int height, |
| 193 | int dstx, int dsty, unsigned long plane) |
| 194 | { |
| 195 | XCopyPlane(xnestDisplay, |
| 196 | xnestDrawable(pSrcDrawable), xnestDrawable(pDstDrawable), |
| 197 | xnestGC(pGC), srcx, srcy, width, height, dstx, dsty, plane); |
| 198 | |
| 199 | return xnestBitBlitHelper(pGC); |
| 200 | } |
| 201 | |
| 202 | void |
| 203 | xnestPolyPoint(DrawablePtr pDrawable, GCPtr pGC, int mode, int nPoints, |
| 204 | DDXPointPtr pPoints) |
| 205 | { |
| 206 | XDrawPoints(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 207 | (XPoint *) pPoints, nPoints, mode); |
| 208 | } |
| 209 | |
| 210 | void |
| 211 | xnestPolylines(DrawablePtr pDrawable, GCPtr pGC, int mode, int nPoints, |
| 212 | DDXPointPtr pPoints) |
| 213 | { |
| 214 | XDrawLines(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 215 | (XPoint *) pPoints, nPoints, mode); |
| 216 | } |
| 217 | |
| 218 | void |
| 219 | xnestPolySegment(DrawablePtr pDrawable, GCPtr pGC, int nSegments, |
| 220 | xSegment * pSegments) |
| 221 | { |
| 222 | XDrawSegments(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 223 | (XSegment *) pSegments, nSegments); |
| 224 | } |
| 225 | |
| 226 | void |
| 227 | xnestPolyRectangle(DrawablePtr pDrawable, GCPtr pGC, int nRectangles, |
| 228 | xRectangle *pRectangles) |
| 229 | { |
| 230 | XDrawRectangles(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 231 | (XRectangle *) pRectangles, nRectangles); |
| 232 | } |
| 233 | |
| 234 | void |
| 235 | xnestPolyArc(DrawablePtr pDrawable, GCPtr pGC, int nArcs, xArc * pArcs) |
| 236 | { |
| 237 | XDrawArcs(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 238 | (XArc *) pArcs, nArcs); |
| 239 | } |
| 240 | |
| 241 | void |
| 242 | xnestFillPolygon(DrawablePtr pDrawable, GCPtr pGC, int shape, int mode, |
| 243 | int nPoints, DDXPointPtr pPoints) |
| 244 | { |
| 245 | XFillPolygon(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 246 | (XPoint *) pPoints, nPoints, shape, mode); |
| 247 | } |
| 248 | |
| 249 | void |
| 250 | xnestPolyFillRect(DrawablePtr pDrawable, GCPtr pGC, int nRectangles, |
| 251 | xRectangle *pRectangles) |
| 252 | { |
| 253 | XFillRectangles(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 254 | (XRectangle *) pRectangles, nRectangles); |
| 255 | } |
| 256 | |
| 257 | void |
| 258 | xnestPolyFillArc(DrawablePtr pDrawable, GCPtr pGC, int nArcs, xArc * pArcs) |
| 259 | { |
| 260 | XFillArcs(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 261 | (XArc *) pArcs, nArcs); |
| 262 | } |
| 263 | |
| 264 | int |
| 265 | xnestPolyText8(DrawablePtr pDrawable, GCPtr pGC, int x, int y, int count, |
| 266 | char *string) |
| 267 | { |
| 268 | int width; |
| 269 | |
| 270 | XDrawString(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 271 | x, y, string, count); |
| 272 | |
| 273 | width = XTextWidth(xnestFontStruct(pGC->font), string, count); |
| 274 | |
| 275 | return width + x; |
| 276 | } |
| 277 | |
| 278 | int |
| 279 | xnestPolyText16(DrawablePtr pDrawable, GCPtr pGC, int x, int y, int count, |
| 280 | unsigned short *string) |
| 281 | { |
| 282 | int width; |
| 283 | |
| 284 | XDrawString16(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 285 | x, y, (XChar2b *) string, count); |
| 286 | |
| 287 | width = XTextWidth16(xnestFontStruct(pGC->font), (XChar2b *) string, count); |
| 288 | |
| 289 | return width + x; |
| 290 | } |
| 291 | |
| 292 | void |
| 293 | xnestImageText8(DrawablePtr pDrawable, GCPtr pGC, int x, int y, int count, |
| 294 | char *string) |
| 295 | { |
| 296 | XDrawImageString(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 297 | x, y, string, count); |
| 298 | } |
| 299 | |
| 300 | void |
| 301 | xnestImageText16(DrawablePtr pDrawable, GCPtr pGC, int x, int y, int count, |
| 302 | unsigned short *string) |
| 303 | { |
| 304 | XDrawImageString16(xnestDisplay, xnestDrawable(pDrawable), xnestGC(pGC), |
| 305 | x, y, (XChar2b *) string, count); |
| 306 | } |
| 307 | |
| 308 | void |
| 309 | xnestImageGlyphBlt(DrawablePtr pDrawable, GCPtr pGC, int x, int y, |
| 310 | unsigned int nGlyphs, CharInfoPtr * pCharInfo, |
| 311 | pointer pGlyphBase) |
| 312 | { |
| 313 | ErrorF("xnest warning: function xnestImageGlyphBlt not implemented\n"); |
| 314 | } |
| 315 | |
| 316 | void |
| 317 | xnestPolyGlyphBlt(DrawablePtr pDrawable, GCPtr pGC, int x, int y, |
| 318 | unsigned int nGlyphs, CharInfoPtr * pCharInfo, |
| 319 | pointer pGlyphBase) |
| 320 | { |
| 321 | ErrorF("xnest warning: function xnestPolyGlyphBlt not implemented\n"); |
| 322 | } |
| 323 | |
| 324 | void |
| 325 | xnestPushPixels(GCPtr pGC, PixmapPtr pBitmap, DrawablePtr pDst, |
| 326 | int width, int height, int x, int y) |
| 327 | { |
| 328 | /* only works for solid bitmaps */ |
| 329 | if (pGC->fillStyle == FillSolid) { |
| 330 | XSetStipple(xnestDisplay, xnestGC(pGC), xnestPixmap(pBitmap)); |
| 331 | XSetTSOrigin(xnestDisplay, xnestGC(pGC), x, y); |
| 332 | XSetFillStyle(xnestDisplay, xnestGC(pGC), FillStippled); |
| 333 | XFillRectangle(xnestDisplay, xnestDrawable(pDst), |
| 334 | xnestGC(pGC), x, y, width, height); |
| 335 | XSetFillStyle(xnestDisplay, xnestGC(pGC), FillSolid); |
| 336 | } |
| 337 | else |
| 338 | ErrorF("xnest warning: function xnestPushPixels not implemented\n"); |
| 339 | } |