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/* Copyright (c) 1999 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* x11image.c - driver for X-windows |
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* |
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#include <X11/Xutil.h> |
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#include <X11/Xatom.h> |
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#undef NOPROTO |
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#define NOPROTO 1 |
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#include "color.h" |
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#include "tonemap.h" |
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#include "view.h" |
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#include "x11raster.h" |
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#include "random.h" |
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#include "resolu.h" |
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#define FONTNAME "8x13" /* text font we'll use */ |
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struct { |
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int xmin, ymin, xsiz, ysiz; |
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} box = {0, 0, 0, 0}; /* current box */ |
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} bbox = {0, 0, 0, 0}; /* current bbox */ |
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char *geometry = NULL; /* geometry specification */ |
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COLOR cval; |
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register char *cp; |
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box.xmin = xpos; box.xsiz = 1; |
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box.ymin = ypos; box.ysiz = 1; |
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bbox.xmin = xpos; bbox.xsiz = 1; |
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bbox.ymin = ypos; bbox.ysiz = 1; |
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avgbox(cval); |
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scalecolor(cval, 1./exposure); |
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pix2loc(hv, &inpres, xpos-xoff, ypos-yoff); |
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sprintf(buf, "%.3f", intens(cval)/exposure); |
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break; |
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case 'l': /* luminance */ |
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sprintf(buf, "%.0fL", luminance(cval)/exposure); |
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sprintf(buf, "%.1fL", luminance(cval)/exposure); |
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break; |
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case 'c': /* color */ |
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comp = pow(2.0, (double)scale); |
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break; |
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} |
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XDrawImageString(thedisplay, wind, ourgc, |
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box.xmin, box.ymin+box.ysiz, buf, strlen(buf)); |
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bbox.xmin, bbox.ymin+bbox.ysiz, buf, strlen(buf)); |
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return(0); |
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case 'i': /* identify (contour) */ |
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if (ourras->pixels == NULL) |
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sprintf(buf, "%+d", scale); |
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remap: |
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XDrawImageString(thedisplay, wind, ourgc, |
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box.xmin, box.ymin+box.ysiz, buf, strlen(buf)); |
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bbox.xmin, bbox.ymin+bbox.ysiz, buf, strlen(buf)); |
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XFlush(thedisplay); |
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free(ourdata); |
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/* free(ourdata); This is done in XDestroyImage()! */ |
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free_raster(ourras); |
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getras(); |
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/* fall through */ |
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redraw(0, 0, width, height); |
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return(0); |
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case ' ': /* clear */ |
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redraw(box.xmin, box.ymin, box.xsiz, box.ysiz); |
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redraw(bbox.xmin, bbox.ymin, bbox.xsiz, bbox.ysiz); |
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return(0); |
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default: |
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XBell(thedisplay, 0); |
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} |
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getbox(ebut) /* get new box */ |
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getbox(ebut) /* get new bbox */ |
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XButtonPressedEvent *ebut; |
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{ |
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XEvent e; |
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XMaskEvent(thedisplay, ButtonReleaseMask|ButtonMotionMask, &e); |
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while (e.type == MotionNotify) { |
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revbox(ebut->x, ebut->y, box.xmin = e.xmotion.x, box.ymin = e.xmotion.y); |
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revbox(ebut->x, ebut->y, bbox.xmin = e.xmotion.x, bbox.ymin = e.xmotion.y); |
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XMaskEvent(thedisplay,ButtonReleaseMask|ButtonMotionMask,&e); |
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revbox(ebut->x, ebut->y, box.xmin, box.ymin); |
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revbox(ebut->x, ebut->y, bbox.xmin, bbox.ymin); |
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} |
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box.xmin = e.xbutton.x<0 ? 0 : (e.xbutton.x>=width ? width-1 : e.xbutton.x); |
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box.ymin = e.xbutton.y<0 ? 0 : (e.xbutton.y>=height ? height-1 : e.xbutton.y); |
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if (box.xmin > ebut->x) { |
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box.xsiz = box.xmin - ebut->x + 1; |
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box.xmin = ebut->x; |
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bbox.xmin = e.xbutton.x<0 ? 0 : (e.xbutton.x>=width ? width-1 : e.xbutton.x); |
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bbox.ymin = e.xbutton.y<0 ? 0 : (e.xbutton.y>=height ? height-1 : e.xbutton.y); |
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if (bbox.xmin > ebut->x) { |
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bbox.xsiz = bbox.xmin - ebut->x + 1; |
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bbox.xmin = ebut->x; |
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} else { |
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box.xsiz = ebut->x - box.xmin + 1; |
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bbox.xsiz = ebut->x - bbox.xmin + 1; |
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} |
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if (box.ymin > ebut->y) { |
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box.ysiz = box.ymin - ebut->y + 1; |
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box.ymin = ebut->y; |
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if (bbox.ymin > ebut->y) { |
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bbox.ysiz = bbox.ymin - ebut->y + 1; |
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bbox.ymin = ebut->y; |
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} else { |
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box.ysiz = ebut->y - box.ymin + 1; |
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bbox.ysiz = ebut->y - bbox.ymin + 1; |
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} |
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} |
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} |
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revbox(x0, y0, x1, y1) /* draw box with reversed lines */ |
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revbox(x0, y0, x1, y1) /* draw bbox with reversed lines */ |
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int x0, y0, x1, y1; |
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{ |
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revline(x0, y0, x1, y0); |
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COLOR col; |
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while (n--) { |
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colr_color(col, scn++); |
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colr_color(col, *scn++); |
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addcolor(cavg, col); |
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} |
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} |
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int |
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avgbox(cavg) /* average color over current box */ |
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avgbox(cavg) /* average color over current bbox */ |
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COLOR cavg; |
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{ |
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double d; |
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int |
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dobox(f, p) /* run function over box */ |
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dobox(f, p) /* run function over bbox */ |
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int (*f)(); /* function to call for each subscan */ |
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char *p; /* pointer to private data */ |
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{ |
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int left, right, top, bottom; |
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int y; |
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left = box.xmin - xoff; |
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right = left + box.xsiz; |
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left = bbox.xmin - xoff; |
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right = left + bbox.xsiz; |
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if (left < 0) |
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left = 0; |
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if (right > xmax) |
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right = xmax; |
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if (left >= right) |
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return(0); |
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top = box.ymin - yoff; |
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bottom = top + box.ysiz; |
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top = bbox.ymin - yoff; |
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bottom = top + bbox.ysiz; |
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if (top < 0) |
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top = 0; |
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if (bottom > ymax) |
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cerr[x] = err + errp; |
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} |
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} |
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free((char *)cerr); |
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free((void *)cerr); |
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} |
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errp = err; |
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ti = x*xmax/iconwidth; |
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copycolr(clr, scan[ti]); |
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normcolrs(clr, 1, scale); |
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normcolrs(&clr, 1, scale); |
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err += normbright(clr) + cerr[x]; |
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if (err > 127) |
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err -= 255; |