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a09e091a JB |
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 | } |