633 lines
14 KiB
C
633 lines
14 KiB
C
/*
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* Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors
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* Copyright (C) 2010 Kim Woelders
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#if ENABLE_OLDMOVRES
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#include "piximg.h"
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#include "util.h"
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#include "xwin.h"
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#if USE_XRENDER
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#include <X11/extensions/Xrender.h>
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struct _PixImg {
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int w, h;
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Picture pict;
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Picture alpha;
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Picture buf;
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Pixmap pmap;
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Pixmap mask;
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GC gc;
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};
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PixImg *
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PixImgCreate(Win win, GC gc, int w, int h)
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{
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PixImg *pi;
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XRenderPictFormat *pictfmt;
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XRenderPictureAttributes pa;
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pi = ECALLOC(PixImg, 1);
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if (!pi)
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return NULL;
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pi->w = w;
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pi->h = h;
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pi->gc = gc;
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if (win)
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{
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pa.subwindow_mode = IncludeInferiors;
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pictfmt = XRenderFindVisualFormat(disp, WinGetVisual(win));
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pi->pict = XRenderCreatePicture(disp, WinGetXwin(win), pictfmt,
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CPSubwindowMode, &pa);
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}
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else
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{
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pi->pict = EPictureCreateBuffer(VROOT, w, h, &pi->pmap);
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}
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return pi;
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}
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void
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PixImgDestroy(PixImg * pi)
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{
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if (!pi)
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return;
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XRenderFreePicture(disp, pi->pict);
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if (pi->pmap != None)
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XFreePixmap(disp, pi->pmap);
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if (pi->mask != None)
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XFreePixmap(disp, pi->mask);
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Efree(pi);
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}
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void
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PixImgSetMask(PixImg * pi, Pixmap mask, int x, int y)
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{
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XRenderPictureAttributes pa;
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switch (mask)
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{
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case 0:
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pa.clip_mask = None;
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XRenderChangePicture(disp, pi->pict, CPClipMask, &pa);
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break;
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case 1:
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pa.clip_x_origin = x;
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pa.clip_y_origin = y;
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pa.clip_mask = pi->mask;
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XRenderChangePicture(disp, pi->pict,
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CPClipXOrigin | CPClipYOrigin | CPClipMask, &pa);
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break;
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default:
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pi->mask = mask;
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break;
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}
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}
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void
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PixImgFill(PixImg * pi, Drawable draw, int x, int y)
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{
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XCopyArea(disp, draw, pi->pmap, pi->gc, x, y, pi->w, pi->h, 0, 0);
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}
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#include "eimage.h"
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void
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PixImgPaste(PixImg * src, PixImg * dst, int xs, int ys,
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int w, int h, int xt, int yt)
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{
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XRenderComposite(disp, PictOpSrc, src->pict, None, dst->pict,
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xs, ys, 0, 0, xt, yt, w, h);
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}
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void
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PixImgBlend(PixImg * src, PixImg * xxx, PixImg * dst, Drawable draw,
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int x, int y, int w, int h)
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{
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if (dst->alpha == None)
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{
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dst->alpha = EPictureCreateSolid(WinGetXwin(VROOT), 1, 0x80, 0);
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dst->buf =
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EPictureCreateBuffer(VROOT, WinGetW(VROOT), WinGetH(VROOT), NULL);
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}
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XRenderComposite(disp, PictOpSrc, src->pict, None, dst->buf,
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x, y, 0, 0, x, y, w, h);
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XRenderComposite(disp, PictOpOver, xxx->pict, dst->alpha, dst->buf,
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0, 0, 0, 0, x, y, w, h);
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XRenderComposite(disp, PictOpSrc, dst->buf, None, dst->pict,
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x, y, 0, 0, x, y, w, h);
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src = NULL;
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draw = None;
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}
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#else
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <X11/Xutil.h>
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#include <X11/extensions/XShm.h>
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struct _PixImg {
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XImage *xim;
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XShmSegmentInfo *shminfo;
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Drawable draw;
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Pixmap mask;
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GC gc;
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};
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PixImg *
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PixImgCreate(Win win, GC gc, int w, int h)
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{
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PixImg *pi;
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pi = ECALLOC(PixImg, 1);
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if (!pi)
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return NULL;
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if (win)
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pi->draw = WinGetXwin(win);
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pi->gc = gc;
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pi->shminfo = EMALLOC(XShmSegmentInfo, 1);
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if (pi->shminfo)
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{
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pi->xim = XShmCreateImage(disp, WinGetVisual(VROOT),
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WinGetDepth(VROOT), ZPixmap, NULL,
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pi->shminfo, w, h);
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if (pi->xim)
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{
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pi->shminfo->shmid =
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shmget(IPC_PRIVATE, pi->xim->bytes_per_line * pi->xim->height,
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IPC_CREAT | 0666);
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if (pi->shminfo->shmid >= 0)
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{
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pi->shminfo->shmaddr = pi->xim->data =
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(char *)shmat(pi->shminfo->shmid, 0, 0);
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if (pi->shminfo->shmaddr != (void *)-1)
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{
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pi->shminfo->readOnly = False;
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Dpy.last_error_code = 0;
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XShmAttach(disp, pi->shminfo);
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ESync(0);
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if (Dpy.last_error_code == 0)
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return pi;
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XShmDetach(disp, pi->shminfo);
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shmdt(pi->shminfo->shmaddr);
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}
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shmctl(pi->shminfo->shmid, IPC_RMID, 0);
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}
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XDestroyImage(pi->xim);
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}
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Efree(pi->shminfo);
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}
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Efree(pi);
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return NULL;
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}
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void
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PixImgDestroy(PixImg * pi)
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{
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if (!pi)
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return;
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ESync(0);
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XShmDetach(disp, pi->shminfo);
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shmdt(pi->shminfo->shmaddr);
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shmctl(pi->shminfo->shmid, IPC_RMID, 0);
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XDestroyImage(pi->xim);
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Efree(pi->shminfo);
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if (pi->mask)
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XFreePixmap(disp, pi->mask);
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Efree(pi);
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}
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void
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PixImgSetMask(PixImg * pi, Pixmap mask, int x, int y)
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{
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switch (mask)
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{
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case 0:
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XSetClipMask(disp, pi->gc, None);
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break;
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case 1:
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XSetClipMask(disp, pi->gc, pi->mask);
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XSetClipOrigin(disp, pi->gc, x, y);
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break;
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default:
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pi->mask = mask;
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break;
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}
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}
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static int
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_fix_bounds(int *px, int *py, int *pw, int *ph, int *pox, int *poy)
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{
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int x, y, w, h, ox, oy, wmax, hmax;
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wmax = WinGetW(VROOT);
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hmax = WinGetH(VROOT);
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x = *px;
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y = *py;
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w = *pw;
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h = *ph;
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ox = 0;
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oy = 0;
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if (x + w > wmax)
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w -= (x + w - wmax);
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if (x < 0)
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{
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ox = -x;
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w -= ox;
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x = 0;
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}
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if (y + h > hmax)
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h -= (y + h - hmax);
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if (y < 0)
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{
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oy = -y;
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h -= oy;
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y = 0;
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}
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if (w <= 0 || h <= 0)
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return 1;
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*px = x;
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*py = y;
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*pw = w;
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*ph = h;
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if (pox)
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*pox = ox;
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if (poy)
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*poy = oy;
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return 0;
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}
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void
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PixImgFill(PixImg * pi, Drawable draw, int x, int y)
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{
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XShmGetImage(disp, draw, pi->xim, x, y, 0xffffffff);
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}
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void
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PixImgPaste(PixImg * src, PixImg * dst, int xs, int ys,
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int w, int h, int xt, int yt)
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{
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/* FIXME - No bounds checking if (xs,ys) != (xt,yt) */
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if (xs == xt && ys == yt)
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{
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if (_fix_bounds(&xs, &ys, &w, &h, NULL, NULL))
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return;
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xt = xs;
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yt = ys;
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}
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XShmPutImage(disp, dst->draw, dst->gc, src->xim, xs, ys, xt, yt, w, h,
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False);
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}
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void
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PixImgBlend(PixImg * s1, PixImg * s2, PixImg * dst, Drawable draw,
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int x, int y, int w, int h)
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{
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int i, j, ox, oy;
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if (_fix_bounds(&x, &y, &w, &h, &ox, &oy))
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return;
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ESync(0);
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switch (dst->xim->bits_per_pixel)
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{
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case 32:
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for (j = 0; j < h; j++)
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{
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unsigned int *ptr1, *ptr2, *ptr3;
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ptr1 =
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(unsigned int *)(s1->xim->data +
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(x * ((s1->xim->bits_per_pixel) >> 3)) +
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((j + y) * s1->xim->bytes_per_line));
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ptr2 =
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(unsigned int *)(s2->xim->data +
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(ox * ((s2->xim->bits_per_pixel) >> 3)) +
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((j + oy) * s2->xim->bytes_per_line));
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ptr3 =
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(unsigned int *)(dst->xim->data +
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(ox * ((dst->xim->bits_per_pixel) >> 3)) +
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((j + oy) * dst->xim->bytes_per_line));
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for (i = 0; i < w; i++)
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{
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unsigned int p1, p2;
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p1 = *ptr1++;
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p2 = *ptr2++;
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*ptr3++ = ((p1 >> 1) & 0x7f7f7f7f) +
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((p2 >> 1) & 0x7f7f7f7f) + (p1 & p2 & 0x01010101);
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}
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}
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break;
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case 24:
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for (j = 0; j < h; j++)
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{
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for (i = 0; i < w; i++)
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{
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unsigned int p1, p2;
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p1 = XGetPixel(s1->xim, (i + x), (j + y));
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p2 = XGetPixel(s2->xim, (i + ox), (j + oy));
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XPutPixel(dst->xim, (i + ox), (j + oy),
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(((p1 >> 1) & 0x7f7f7f7f) +
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((p2 >> 1) & 0x7f7f7f7f) +
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(p1 & p2 & 0x01010101)));
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}
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}
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break;
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case 16:
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if (WinGetDepth(VROOT) != 15)
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{
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for (j = 0; j < h; j++)
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{
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unsigned int *ptr1, *ptr2, *ptr3;
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ptr1 =
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(unsigned int *)(s1->xim->data +
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(x * ((s1->xim->bits_per_pixel) >> 3)) +
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((j + y) * s1->xim->bytes_per_line));
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ptr2 =
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(unsigned int *)(s2->xim->data +
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(ox * ((s2->xim->bits_per_pixel) >> 3)) +
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((j + oy) * s2->xim->bytes_per_line));
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ptr3 =
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(unsigned int *)(dst->xim->data +
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(ox * ((dst->xim->bits_per_pixel) >> 3)) +
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((j + oy) * dst->xim->bytes_per_line));
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if (!(w & 0x1))
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{
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for (i = 0; i < w; i += 2)
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{
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unsigned int p1, p2;
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p1 = *ptr1++;
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p2 = *ptr2++;
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*ptr3++ =
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((p1 >> 1) &
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((0x78 << 8) | (0x7c << 3) | (0x78 >> 3) |
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(0x78 << 24) | (0x7c << 19) | (0x78 << 13)))
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+
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((p2 >> 1) &
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((0x78 << 8) | (0x7c << 3) | (0x78 >> 3) |
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(0x78 << 24) | (0x7c << 19) | (0x78 << 13)))
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+
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(p1 & p2 &
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((0x1 << 11) | (0x1 << 5) | (0x1) |
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(0x1 << 27) | (0x1 << 21) | (0x1 << 16)));
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}
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}
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else
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{
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for (i = 0; i < (w - 1); i += 2)
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{
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unsigned int p1, p2;
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p1 = *ptr1++;
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p2 = *ptr2++;
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*ptr3++ =
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((p1 >> 1) &
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((0x78 << 8) | (0x7c << 3) | (0x78 >> 3) |
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(0x78 << 24) | (0x7c << 19) | (0x78 << 13)))
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+
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((p2 >> 1) &
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((0x78 << 8) | (0x7c << 3) | (0x78 >> 3) |
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(0x78 << 24) | (0x7c << 19) | (0x78 << 13)))
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+
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(p1 & p2 &
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((0x1 << 11) | (0x1 << 5) | (0x1) |
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(0x1 << 27) | (0x1 << 21) | (0x1 << 16)));
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}
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{
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unsigned short *pptr1, *pptr2, *pptr3;
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unsigned short pp1, pp2;
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pptr1 = (unsigned short *)ptr1;
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pptr2 = (unsigned short *)ptr2;
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pptr3 = (unsigned short *)ptr3;
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pp1 = *pptr1;
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pp2 = *pptr2;
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*pptr3 =
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((pp1 >> 1) &
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((0x78 << 8) | (0x7c << 3) | (0x78 >> 3)))
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+
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((pp2 >> 1) &
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((0x78 << 8) | (0x7c << 3) | (0x78 >> 3)))
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+ (pp1 & pp2 & ((0x1 << 11) | (0x1 << 5) | (0x1)));
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}
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}
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}
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}
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else
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{
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for (j = 0; j < h; j++)
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{
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unsigned int *ptr1, *ptr2, *ptr3;
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ptr1 =
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(unsigned int *)(s1->xim->data +
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(x * (s1->xim->bits_per_pixel >> 3)) +
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((j + y) * s1->xim->bytes_per_line));
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ptr2 =
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(unsigned int *)(s2->xim->data +
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(ox * ((s2->xim->bits_per_pixel) >> 3)) +
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((j + oy) * s2->xim->bytes_per_line));
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ptr3 =
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(unsigned int *)(dst->xim->data +
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(ox * ((dst->xim->bits_per_pixel) >> 3)) +
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((j + oy) * dst->xim->bytes_per_line));
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if (!(w & 0x1))
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{
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for (i = 0; i < w; i += 2)
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{
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unsigned int p1, p2;
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p1 = *ptr1++;
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p2 = *ptr2++;
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*ptr3++ =
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((p1 >> 1) &
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((0x78 << 7) | (0x78 << 2) | (0x78 >> 3) |
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(0x78 << 23) | (0x78 << 18) | (0x78 << 13)))
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+
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((p2 >> 1) &
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((0x78 << 7) | (0x78 << 2) | (0x78 >> 3) |
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(0x78 << 23) | (0x78 << 18) | (0x78 << 13)))
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+
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(p1 & p2 &
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((0x1 << 10) | (0x1 << 5) | (0x1) |
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(0x1 << 26) | (0x1 << 20) | (0x1 << 16)));
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}
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}
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else
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{
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for (i = 0; i < (w - 1); i += 2)
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{
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unsigned int p1, p2;
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p1 = *ptr1++;
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p2 = *ptr2++;
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*ptr3++ =
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((p1 >> 1) &
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((0x78 << 7) | (0x78 << 2) | (0x78 >> 3) |
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(0x78 << 23) | (0x78 << 18) | (0x78 << 13)))
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+
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((p2 >> 1) &
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((0x78 << 7) | (0x78 << 2) | (0x78 >> 3) |
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(0x78 << 23) | (0x78 << 18) | (0x78 << 13)))
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+
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(p1 & p2 &
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((0x1 << 10) | (0x1 << 5) | (0x1) |
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|
(0x1 << 26) | (0x1 << 20) | (0x1 << 16)));
|
|
}
|
|
{
|
|
unsigned short *pptr1, *pptr2, *pptr3;
|
|
unsigned short pp1, pp2;
|
|
|
|
pptr1 = (unsigned short *)ptr1;
|
|
pptr2 = (unsigned short *)ptr2;
|
|
pptr3 = (unsigned short *)ptr3;
|
|
pp1 = *pptr1;
|
|
pp2 = *pptr2;
|
|
*pptr3 =
|
|
((pp1 >> 1) &
|
|
((0x78 << 7) | (0x78 << 2) | (0x78 >> 3)))
|
|
+
|
|
((pp2 >> 1) &
|
|
((0x78 << 7) | (0x78 << 2) | (0x78 >> 3)))
|
|
+ (pp1 & pp2 & ((0x1 << 10) | (0x1 << 5) | (0x1)));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
for (j = 0; j < h; j++)
|
|
{
|
|
unsigned char *ptr1, *ptr2, *ptr3;
|
|
|
|
ptr1 =
|
|
(unsigned char *)(s1->xim->data +
|
|
((x) *
|
|
((s1->xim->bits_per_pixel) >> 3)) +
|
|
((j + y) * s1->xim->bytes_per_line));
|
|
ptr2 =
|
|
(unsigned char *)(s2->xim->data +
|
|
((ox) *
|
|
((s2->xim->bits_per_pixel) >> 3)) +
|
|
((j + oy) * s2->xim->bytes_per_line));
|
|
ptr3 =
|
|
(unsigned char *)(dst->xim->data +
|
|
((ox) *
|
|
((dst->xim->bits_per_pixel) >> 3)) +
|
|
((j + oy) * dst->xim->bytes_per_line));
|
|
if (!(w & 0x1))
|
|
{
|
|
if (j & 0x1)
|
|
{
|
|
ptr2++;
|
|
for (i = 0; i < w; i += 2)
|
|
{
|
|
unsigned char p1;
|
|
|
|
p1 = *ptr1;
|
|
ptr1 += 2;
|
|
*ptr3++ = p1;
|
|
p1 = *ptr2;
|
|
ptr2 += 2;
|
|
*ptr3++ = p1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ptr1++;
|
|
for (i = 0; i < w; i += 2)
|
|
{
|
|
unsigned char p1;
|
|
|
|
p1 = *ptr2;
|
|
ptr2 += 2;
|
|
*ptr3++ = p1;
|
|
p1 = *ptr1;
|
|
ptr1 += 2;
|
|
*ptr3++ = p1;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (j & 0x1)
|
|
{
|
|
ptr2++;
|
|
for (i = 0; i < (w - 1); i += 2)
|
|
{
|
|
unsigned char p1;
|
|
|
|
p1 = *ptr1;
|
|
ptr1 += 2;
|
|
*ptr3++ = p1;
|
|
p1 = *ptr2;
|
|
ptr2 += 2;
|
|
*ptr3++ = p1;
|
|
}
|
|
*ptr3 = *ptr1;
|
|
}
|
|
else
|
|
{
|
|
ptr1++;
|
|
for (i = 0; i < (w - 1); i += 2)
|
|
{
|
|
unsigned char p1;
|
|
|
|
p1 = *ptr2;
|
|
ptr2 += 2;
|
|
*ptr3++ = p1;
|
|
p1 = *ptr1;
|
|
ptr1 += 2;
|
|
*ptr3++ = p1;
|
|
}
|
|
*ptr3 = *ptr2;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
XShmPutImage(disp, draw, dst->gc, dst->xim, ox, oy, x, y, w, h, False);
|
|
}
|
|
|
|
#endif /* USE_XRENDER */
|
|
|
|
#endif /* ENABLE_OLDMOVRES */
|