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xvgam.c
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/*
* xvgam.c
*
* callable functions:
* <too many to list>
*/
#include "copyright.h"
#include "xv.h"
#include "bits/h_rotl"
#include "bits/h_rotr"
#include "bits/h_flip"
#include "bits/h_sinc"
#include "bits/h_sdec"
#include "bits/h_sat"
#include "bits/h_desat"
#define GAMW 664
#define GAMH 518
#define GAMbutF 386
#define CMAPX 10
#define CMAPY 17
#define CMAPCW 12
#define CMAPCH 9
#define CMAPW (CMAPCW * 16)
#define CMAPH (CMAPCH * 16)
#define MAXUNDO 32
#define BUTTH 23
#define N_HMAP 6 /* # of Hue modification remappings */
#define N_HDBUTT 5
#define HDB_ROTL 0
#define HDB_ROTR 1
#define HDB_EXPND 2
#define HDB_SHRNK 3
#define HDB_FLIP 4
#define N_HDBUTT2 4
#define HDB_DESAT 2
#define HDB_SAT 3
#define HD_CLEAR 0x01 /* clears inside of hue dial */
#define HD_FRAME 0x02
#define HD_HANDS 0x04
#define HD_DIR 0x08
#define HD_VALS 0x10
#define HD_TITLE 0x20
#define HD_CLHNDS 0x40
#define HD_BUTTS 0x80
#define HD_ALL (HD_FRAME | HD_HANDS | HD_DIR | HD_VALS | HD_TITLE | HD_BUTTS)
#define HD_RADIUS 30 /* radius of bounding circle of HDIALs */
#define DEG2RAD (3.14159 / 180.0)
#define RAD2DEG (180.0 / 3.14159)
/* stuff for colormap Undo button */
struct cmapstate { byte rm[256], gm[256], bm[256];
int cellgroup[256];
int curgroup;
int maxgroup;
int editColor;
} prevcmap, tmpcmap;
struct hmap { int src_st;
int src_en;
int src_ccw;
int dst_st;
int dst_en;
int dst_ccw;
};
struct gamstate { struct hmap hmap[N_HMAP];
int hueRBnum; /* 1 - 6 */
int wht_stval, wht_satval, wht_enab;
int satval;
GRAF_STATE istate, rstate, gstate, bstate;
};
static struct gamstate undo[MAXUNDO], preset[4], defstate;
static struct gamstate *defLoadState;
static int uptr, uhead, utail;
typedef struct huedial {
Window win; /* window that dial exists in */
int x,y; /* coordinates of center of dial */
int range; /* 0 = single value, 1 = range */
int stval; /* start of range (ONLY val ifnot range) */
int enval; /* end of range */
int ccwise; /* 1 if range goes ccwise, 0 if cwise */
char *str; /* title string */
u_long fg,bg; /* colors */
int satval; /* saturation value on non-range dial */
BUTT hdbutt[N_HDBUTT];
CBUTT enabCB;
void (*drawobj)PARM((void));
} HDIAL;
static BUTT hueclrB;
static CBUTT enabCB, autoCB, resetCB, dragCB;
static HDIAL srcHD, dstHD, whtHD;
static DIAL satDial, rhDial, gsDial, bvDial;
static GRAF intGraf, rGraf, gGraf, bGraf;
static RBUTT *hueRB;
static Window cmapF, hsvF, rgbF, modF, butF;
static struct hmap hmap[N_HMAP];
static int hremap[360];
static int defAutoApply;
static int hsvnonlinear = 0;
static void printUTime PARM((char *));
static void computeHSVlinear PARM((void));
static void changedGam PARM((void));
static void drawGam PARM((int,int,int,int));
static void drawBut PARM((int,int,int,int));
static void drawArrow PARM((int, int));
static void drawCmap PARM((void));
static void clickCmap PARM((int,int,int));
static void clickGam PARM((int,int));
static void selectCell PARM((int,int));
static int deladdCell PARM((int, int));
static void doCmd PARM((int));
static void SetHSVmode PARM((void));
static void applyGamma PARM((int));
static void calcHistEQ PARM((int *, int *, int *));
static void saveGamState PARM((void));
static void gamUndo PARM((void));
static void gamRedo PARM((void));
static void ctrls2gamstate PARM((struct gamstate *));
static void gamstate2ctrls PARM((struct gamstate *));
static void rndCols PARM((void));
static void saveCMap PARM((struct cmapstate *));
static void restoreCMap PARM((struct cmapstate *));
static void parseResources PARM((void));
static void makeResources PARM((void));
static void dragGamma PARM((void));
static void dragHueDial PARM((void));
static void dragEditColor PARM((void));
static void HDCreate PARM((HDIAL *, Window, int, int, int, int,
int, int, char *, u_long, u_long));
static void HDRedraw PARM((HDIAL *, int));
static int HDClick PARM((HDIAL *, int, int));
static int HDTrack PARM((HDIAL *, int, int));
static int hdg2xdg PARM((int));
static void pol2xy PARM((int, int, double, int, int *, int *));
static int computeHDval PARM((HDIAL *, int, int));
static void initHmap PARM((void));
static void init1hmap PARM((int));
static void dials2hmap PARM((void));
static void hmap2dials PARM((void));
static void build_hremap PARM((void));
#define CMAPF_WIDE 212
#define CMAPF_HIGH 322
#define BUTF_WIDE 212
#define BUTF_HIGH 96
#define MODF_WIDE 212
#define MODF_HIGH 70
#define HSVF_WIDE 205
#define HSVF_HIGH 500
#define RGBF_WIDE 185
#define RGBF_HIGH 500
#undef TIMING_TEST
#ifdef TIMING_TEST
#include <sys/resource.h>
#endif
/***************************/
static void printUTime(str)
char *str;
{
#ifdef TIMING_TEST
int i; struct rusage ru;
i = getrusage(RUSAGE_SELF, &ru);
fprintf(stderr,"%s: utime = %ld.%ld seconds\n",
str, ru.ru_utime.tv_sec, ru.ru_utime.tv_usec);
#endif
}
/***************************************************/
void CreateGam(geom, gam, rgam, ggam, bgam, defpreset)
char *geom;
double gam, rgam, ggam, bgam;
int defpreset;
{
XSetWindowAttributes xswa;
gamW = CreateWindow("xv color editor", "XVcedit", geom,
GAMW, GAMH, infofg,infobg, 0);
if (!gamW) FatalError("can't create cedit window!");
cmapF = XCreateSimpleWindow(theDisp,gamW, 10, 8,CMAPF_WIDE,CMAPF_HIGH,
1,infofg,infobg);
butF = XCreateSimpleWindow(theDisp,gamW, 10, 336,BUTF_WIDE,BUTF_HIGH,
1,infofg,infobg);
modF = XCreateSimpleWindow(theDisp,gamW, 10, 438,MODF_WIDE,MODF_HIGH,
1,infofg,infobg);
hsvF = XCreateSimpleWindow(theDisp,gamW, 242, 8,HSVF_WIDE,HSVF_HIGH,
1,infofg,infobg);
rgbF = XCreateSimpleWindow(theDisp,gamW, 467, 8,RGBF_WIDE,RGBF_HIGH,
1,infofg,infobg);
if (!cmapF || !butF || !modF || !hsvF || !rgbF)
FatalError("couldn't create frame windows");
#ifdef BACKING_STORE
xswa.backing_store = WhenMapped;
XChangeWindowAttributes(theDisp, cmapF, CWBackingStore, &xswa);
XChangeWindowAttributes(theDisp, butF, CWBackingStore, &xswa);
XChangeWindowAttributes(theDisp, modF, CWBackingStore, &xswa);
XChangeWindowAttributes(theDisp, hsvF, CWBackingStore, &xswa);
#endif
XSelectInput(theDisp, gamW, ExposureMask);
XSelectInput(theDisp, cmapF, ExposureMask | ButtonPressMask);
XSelectInput(theDisp, butF, ExposureMask | ButtonPressMask);
XSelectInput(theDisp, modF, ExposureMask | ButtonPressMask);
XSelectInput(theDisp, hsvF, ExposureMask | ButtonPressMask);
XSelectInput(theDisp, rgbF, ExposureMask);
if (ctrlColor) XSetWindowBackground(theDisp, gamW, locol);
else XSetWindowBackgroundPixmap(theDisp, gamW, grayTile);
/********** COLORMAP editing doo-wahs ***********/
BTCreate(&gbut[G_BCOLUNDO], cmapF, 5, 165, 66, BUTTH,
"ColUndo", infofg, infobg, hicol, locol);
BTCreate(&gbut[G_BCOLREV], cmapF, 5 + 66 + 1, 165, 67, BUTTH,
"Revert", infofg, infobg, hicol, locol);
BTCreate(&gbut[G_BHSVRGB], cmapF, 5+66+67+2, 165, 66, BUTTH,
"RGB/HSV", infofg, infobg, hicol, locol);
BTCreate(&gbut[G_BMONO], cmapF, 5, 189, 66, BUTTH,
"Grey", infofg, infobg, hicol, locol);
BTCreate(&gbut[G_BRV], cmapF, 5 + 66 + 1, 189, 67, BUTTH,
"RevVid", infofg, infobg, hicol, locol);
BTCreate(&gbut[G_BRNDCOL], cmapF, 5 + 66 + 67 + 2, 189, 66, BUTTH,
"Random", infofg, infobg, hicol, locol);
DCreate(&rhDial, cmapF, 5, 215, 66, 100, 0.0, 360.0, 180.0, 1.0, 5.0,
infofg, infobg, hicol, locol, "Hue", NULL);
DCreate(&gsDial, cmapF, 72, 215, 66, 100, 0.0, 360.0, 180.0, 1.0, 5.0,
infofg, infobg, hicol, locol, "Sat.", NULL);
DCreate(&bvDial, cmapF, 139, 215, 66, 100, 0.0, 360.0, 180.0, 1.0, 5.0,
infofg, infobg, hicol, locol, "Value", NULL);
rhDial.drawobj = gsDial.drawobj = bvDial.drawobj = dragEditColor;
/*********** CONTROL BUTTONS ***********/
/* positioning constants for buttons. (arranged as 4x4 grid...) */
#define BXSPACE 53
#define BYSPACE (BUTTH+1)
#define BX0 0
#define BX1 (BX0 + BXSPACE)
#define BX2 (BX0 + BXSPACE*2)
#define BX3 (BX0 + BXSPACE*3)
#define BY0 0
#define BY1 (BY0 + BYSPACE)
#define BY2 (BY0 + BYSPACE*2)
#define BY3 (BY0 + BYSPACE*3)
BTCreate(&gbut[G_BAPPLY], butF, BX0,BY0, 52,BUTTH,"Apply",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BNOGAM], butF, BX0,BY1, 52,BUTTH,"NoMod",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BMAXCONT],butF, BX0,BY2, 52,BUTTH,"Norm",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BHISTEQ], butF, BX0,BY3, 52,BUTTH,"HistEq",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BUP_BR],butF, BX1,BY0, 52,BUTTH,"Brite",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BDN_BR],butF, BX1,BY1, 52,BUTTH,"Dim",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BUP_CN],butF, BX1,BY2, 52,BUTTH,"Sharp",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BDN_CN],butF, BX1,BY3, 52,BUTTH,"Dull",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BRESET],butF, BX2, BY0, 52,BUTTH,"Reset",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_B1], butF, BX2, BY1, 25,BUTTH,"1",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_B2], butF, BX2+26,BY1, 26,BUTTH,"2",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_B3], butF, BX2, BY2, 25,BUTTH,"3",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_B4], butF, BX2+26,BY2, 26,BUTTH,"4",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BSET], butF, BX2, BY3, 52,BUTTH,"Set",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BUNDO], butF, BX3, BY0, 52,BUTTH,"Undo",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BREDO], butF, BX3, BY1, 52,BUTTH,"Redo",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BGETRES],butF,BX3, BY2, 52,BUTTH,"CutRes",
infofg,infobg,hicol,locol);
BTCreate(&gbut[G_BCLOSE],butF, BX3, BY3, 52,BUTTH,"Close",
infofg,infobg,hicol,locol);
gbut[G_BSET].toggle = 1;
gbut[G_BUNDO].active = 0;
gbut[G_BREDO].active = 0;
CBCreate(&enabCB, modF,2,2, "Display with HSV/RGB mods.",
infofg,infobg,hicol,locol);
CBCreate(&autoCB, modF,2,2+17, "Auto-apply HSV/RGB mods.",
infofg,infobg,hicol,locol);
CBCreate(&dragCB, modF,2,2+17*2,"Auto-apply while dragging.",
infofg,infobg,hicol,locol);
CBCreate(&resetCB,modF,2,2+17*3,"Auto-reset on new image.",
infofg,infobg,hicol,locol);
enabCB.val = autoCB.val = resetCB.val = dragCB.val = 1;
defAutoApply = autoCB.val;
/************ HSV editing doo-wahs **************/
HDCreate(&srcHD, hsvF, 52, 65, 1, 0, 30, 0, "From", infofg, infobg);
HDCreate(&dstHD, hsvF, 154, 65, 1, 0, 30, 0, "To", infofg, infobg);
HDCreate(&whtHD, hsvF, 50,243, 0, 0, 0, 0, "White",infofg, infobg);
srcHD.drawobj = dstHD.drawobj = whtHD.drawobj = dragHueDial;
DCreate(&satDial, hsvF, 100, 199, 100, 121, -100.0, 100.0, 0.0, 1.0, 5.0,
infofg, infobg,hicol,locol, "Saturation", "%");
hueRB = RBCreate(NULL, hsvF, 7, 153, "1",
infofg, infobg,hicol,locol);
RBCreate (hueRB,hsvF, 47, 153, "2",
infofg, infobg,hicol,locol);
RBCreate (hueRB,hsvF, 87, 153, "3",
infofg, infobg,hicol,locol);
RBCreate (hueRB,hsvF, 7, 170, "4",
infofg, infobg,hicol,locol);
RBCreate (hueRB,hsvF, 47, 170, "5",
infofg, infobg,hicol,locol);
RBCreate (hueRB,hsvF, 87, 170, "6",
infofg, infobg,hicol,locol);
BTCreate(&hueclrB, hsvF, 127, 158, 70, BUTTH, "Reset",
infofg, infobg,hicol,locol);
initHmap();
hmap2dials();
build_hremap();
InitGraf(&intGraf);
CreateGraf(&intGraf, hsvF, 20, 339, infofg, infobg, "Intensity");
/********* RGB color correction doo-wahs ***********/
InitGraf(&rGraf);
CreateGraf(&rGraf, rgbF, 10, 20, infofg, infobg, "Red");
InitGraf(&gGraf);
CreateGraf(&gGraf, rgbF, 10, 179, infofg, infobg, "Green");
InitGraf(&bGraf);
CreateGraf(&bGraf, rgbF, 10, 338, infofg, infobg, "Blue");
satDial.drawobj = dragGamma;
intGraf.drawobj = rGraf.drawobj = gGraf.drawobj = bGraf.drawobj = dragGamma;
SetHSVmode();
ctrls2gamstate(&defstate);
/* set up preset0 as a '2-color' preset */
ctrls2gamstate(&preset[0]);
Str2Graf(&preset[0].istate,"L 4 : 0,0 : 127,0 : 128,255 : 255,255");
/* set up preset1 as a '8-color' preset */
ctrls2gamstate(&preset[1]);
Str2Graf(&preset[1].rstate,"L 4 : 0,0 : 127,0 : 128,255 : 255,255");
Str2Graf(&preset[1].gstate,"L 4 : 0,0 : 127,0 : 128,255 : 255,255");
Str2Graf(&preset[1].bstate,"L 4 : 0,0 : 127,0 : 128,255 : 255,255");
/* set up preset2 as a 'temperature' pseudo-color preset */
ctrls2gamstate(&preset[2]);
Str2Graf(&preset[2].rstate,"S 4 : 0,0 : 105,0 : 155,140 : 255,255");
Str2Graf(&preset[2].gstate,"S 5 : 0,0 : 57,135 : 127,255 : 198,135 : 255,0");
Str2Graf(&preset[2].bstate,"S 4 : 0,255 : 100,140 : 150,0 : 255,0");
/* set up preset3 as a 'map' pseudo-color preset */
ctrls2gamstate(&preset[3]);
Str2Graf(&preset[3].rstate,"L 4 : 0,0 : 66,0 : 155,255 : 255,146");
Str2Graf(&preset[3].gstate,"L 5 : 0,0 : 28,0 : 75,255 : 162,210 : 255,46");
Str2Graf(&preset[3].bstate,"L 5 : 0,105 : 19,255 : 66,232 : 108,62:255,21");
parseResources();
CBSetActive(&dragCB, (allocMode == AM_READWRITE));
/* deal with passed in [r,g,b]gam values. If <0.0, ignore them */
if (gam>=0.0) {
char str[64];
sprintf(str, "G %f", gam);
if (Str2Graf(&defstate.istate, str)) { /* unable to parse */ }
}
if (rgam>=0.0 && ggam>=0.0 && bgam>=0.0) {
char str[64];
sprintf(str, "G %f", rgam);
Str2Graf(&defstate.rstate, str);
sprintf(str, "G %f", ggam);
Str2Graf(&defstate.gstate, str);
sprintf(str, "G %f", bgam);
Str2Graf(&defstate.bstate, str);
}
if (defpreset) defLoadState = &preset[defpreset-1];
else defLoadState = &defstate;
gamstate2ctrls(defLoadState); /* defstate may have changed */
uptr = utail = uhead = 0;
ctrls2gamstate(&undo[0]);
#ifdef BACKING_STORE
xswa.backing_store = WhenMapped;
XChangeWindowAttributes(theDisp, intGraf.win, CWBackingStore, &xswa);
XChangeWindowAttributes(theDisp, rGraf.win, CWBackingStore, &xswa);
XChangeWindowAttributes(theDisp, gGraf.win, CWBackingStore, &xswa);
XChangeWindowAttributes(theDisp, bGraf.win, CWBackingStore, &xswa);
XChangeWindowAttributes(theDisp, intGraf.gwin, CWBackingStore, &xswa);
XChangeWindowAttributes(theDisp, rGraf.gwin, CWBackingStore, &xswa);
XChangeWindowAttributes(theDisp, gGraf.gwin, CWBackingStore, &xswa);
XChangeWindowAttributes(theDisp, bGraf.gwin, CWBackingStore, &xswa);
#endif
XMapSubwindows(theDisp, cmapF);
XMapSubwindows(theDisp, hsvF);
XMapSubwindows(theDisp, rgbF);
XMapSubwindows(theDisp, gamW);
computeHSVlinear();
}
/***************************************************/
int GamCheckEvent(xev)
XEvent *xev;
{
/* check event to see if it's for one of our subwindows. If it is,
deal accordingly, and return '1'. Otherwise, return '0' */
int rv;
rv = 1;
if (xev->type == Expose) {
int x,y,w,h;
XExposeEvent *e = (XExposeEvent *) xev;
x = e->x; y = e->y; w = e->width; h = e->height;
/* throw away excess redraws for 'dumb' windows */
if (e->count > 0 &&
(e->window == satDial.win || e->window == rhDial.win ||
e->window == gsDial.win || e->window == bvDial.win ||
e->window == cmapF || e->window == modF ||
e->window == intGraf.win || e->window == rGraf.win ||
e->window == gGraf.win || e->window == bGraf.win ||
e->window == intGraf.gwin || e->window == rGraf.gwin ||
e->window == gGraf.gwin || e->window == bGraf.gwin ||
e->window == rgbF)) {}
else if (e->window == gamW) drawGam(x, y, w, h);
else if (e->window == butF) drawBut(x, y, w, h);
else if (e->window == satDial.win) DRedraw(&satDial);
else if (e->window == rhDial.win) DRedraw(&rhDial);
else if (e->window == gsDial.win) DRedraw(&gsDial);
else if (e->window == bvDial.win) DRedraw(&bvDial);
else if (e->window == intGraf.win) RedrawGraf(&intGraf, 0);
else if (e->window == rGraf.win) RedrawGraf(&rGraf, 0);
else if (e->window == gGraf.win) RedrawGraf(&gGraf, 0);
else if (e->window == bGraf.win) RedrawGraf(&bGraf, 0);
else if (e->window == intGraf.gwin) RedrawGraf(&intGraf, 1);
else if (e->window == rGraf.gwin) RedrawGraf(&rGraf, 1);
else if (e->window == gGraf.gwin) RedrawGraf(&gGraf, 1);
else if (e->window == bGraf.gwin) RedrawGraf(&bGraf, 1);
else if (e->window == cmapF) drawCmap();
else if (e->window == modF) {
Draw3dRect(modF, 0,0, MODF_WIDE-1, MODF_HIGH-1, R3D_IN, 2,
hicol, locol, infobg);
CBRedraw(&enabCB);
CBRedraw(&autoCB);
CBRedraw(&dragCB);
CBRedraw(&resetCB);
}
else if (e->window == hsvF) {
XRectangle xr;
xr.x = x; xr.y = y; xr.width = e->width; xr.height = e->height;
XSetClipRectangles(theDisp, theGC, 0,0, &xr, 1, Unsorted);
Draw3dRect(hsvF, 0,0, HSVF_WIDE-1, HSVF_HIGH-1, R3D_IN, 2,
hicol, locol, infobg);
XSetForeground(theDisp, theGC, infofg);
ULineString(hsvF, 3, 2+ASCENT, "HSV Modification");
HDRedraw(&srcHD, HD_ALL);
HDRedraw(&dstHD, HD_ALL);
HDRedraw(&whtHD, HD_ALL);
RBRedraw(hueRB, -1);
BTRedraw(&hueclrB);
XSetClipMask(theDisp, theGC, None);
}
else if (e->window == rgbF) {
Draw3dRect(rgbF, 0,0, RGBF_WIDE-1, RGBF_HIGH-1, R3D_IN, 2,
hicol, locol, infobg);
XSetForeground(theDisp, theGC, infofg);
ULineString(rgbF, 3, 2+ASCENT, "RGB Modification");
}
else rv = 0;
}
else if (xev->type == ButtonPress) {
XButtonEvent *e = (XButtonEvent *) xev;
int i,x,y;
x = e->x; y = e->y;
if (e->button == Button1) {
if (e->window == butF) clickGam(x,y);
else if (e->window == cmapF) clickCmap(x,y,1);
else if (e->window == modF) {
if (CBClick(&enabCB,x,y)) {
if (CBTrack(&enabCB)) applyGamma(0); /* enabCB changed, regen */
}
else if (CBClick(&autoCB,x,y)) {
if (CBTrack(&autoCB)) {
defAutoApply = autoCB.val;
if (autoCB.val) applyGamma(0); /* auto-apply turned on, apply */
}
}
else if (CBClick(&dragCB,x,y)) {
if (CBTrack(&dragCB)) {
if (dragCB.val) applyGamma(0); /* drag turned on, apply now */
}
}
else if (CBClick(&resetCB,x,y)) CBTrack(&resetCB);
}
else if (e->window == hsvF) {
if (HDClick(&srcHD, x,y) || HDClick(&dstHD, x,y)) {
dials2hmap();
build_hremap();
changedGam();
}
else if (HDClick(&whtHD, x,y)) changedGam();
else if (PTINRECT(x,y,hueclrB.x, hueclrB.y, hueclrB.w, hueclrB.h)) {
if (BTTrack(&hueclrB)) { /* RESET */
dstHD.stval = srcHD.stval;
dstHD.enval = srcHD.enval;
dstHD.ccwise = srcHD.ccwise;
HDRedraw(&dstHD, HD_ALL | HD_CLEAR);
dials2hmap();
build_hremap();
changedGam();
}
}
else if ((i=RBClick(hueRB,x,y)) >= 0) {
dials2hmap();
if (RBTrack(hueRB, i)) hmap2dials();
}
}
else if (e->window == intGraf.win) {
GRAF_STATE gs;
if (ClickGraf(&intGraf, e->subwindow, x,y)) {
GetGrafState(&intGraf, &gs);
changedGam();
}
}
else if (e->window == rGraf.win) {
if (ClickGraf(&rGraf, e->subwindow, x,y)) changedGam();
}
else if (e->window == gGraf.win) {
if (ClickGraf(&gGraf, e->subwindow, x,y)) changedGam();
}
else if (e->window == bGraf.win) {
if (ClickGraf(&bGraf, e->subwindow, x,y)) changedGam();
}
else if (e->window == satDial.win) {
if (DTrack(&satDial, x, y)) changedGam();
}
else if (e->window == rhDial.win ||
e->window == gsDial.win ||
e->window == bvDial.win) {
if ((e->window == rhDial.win && DTrack(&rhDial, x,y)) ||
(e->window == gsDial.win && DTrack(&gsDial, x,y)) ||
(e->window == bvDial.win && DTrack(&bvDial, x,y))) {
saveCMap(&prevcmap);
BTSetActive(&gbut[G_BCOLUNDO],1);
ApplyEditColor(0);
}
}
else rv = 0;
}
else if (e->button == Button2) {
if (e->window == cmapF) clickCmap(x, y, 2);
else rv = 0;
}
else if (e->button == Button3) {
if (e->window == cmapF) clickCmap(x, y, 3);
else rv = 0;
}
else rv = 0;
}
else if (xev->type == KeyPress) {
XKeyEvent *e = (XKeyEvent *) xev;
char buf[128]; KeySym ks;
int stlen;
stlen = XLookupString(e,buf,128,&ks,(XComposeStatus *) NULL);
buf[stlen] = '\0';
RemapKeyCheck(ks, buf, &stlen);
if (!stlen) return 0;
else if (e->window == intGraf.win) rv = GrafKey(&intGraf,buf);
else if (e->window == rGraf.win ) rv = GrafKey(&rGraf,buf);
else if (e->window == gGraf.win ) rv = GrafKey(&gGraf,buf);
else if (e->window == bGraf.win ) rv = GrafKey(&bGraf,buf);
else rv = 0;
if (rv>1) changedGam(); /* hit 'enter' in one of Graf's */
}
else rv = 0;
return rv;
}
/***************************************************/
static void computeHSVlinear()
{
/* determine linearity of HSV controls to avoid semi-expensive (and
error-inducing) HSV calculations */
int i;
hsvnonlinear = 0;
for (i=0; i<360 && hremap[i] == i; i++);
if (i!=360) hsvnonlinear++;
if (whtHD.enabCB.val && whtHD.satval) hsvnonlinear++;
if (satDial.val != 0.0) hsvnonlinear++;
/* check intensity graf */
for (i=0; i<256 && intGraf.func[i]==i; i++);
if (i<256) hsvnonlinear++;
}
/***************************************************/
static void changedGam()
{
/* called whenever an HSV/RGB gamma ctrl has changed
applies change to image if autoCB.val is set */
computeHSVlinear();
saveGamState();
if (autoCB.val) applyGamma(0);
}
/***************************************************/
void GamBox(vis)
int vis;
{
if (vis) XMapRaised(theDisp, gamW);
else XUnmapWindow(theDisp, gamW);
gamUp = vis;
}
/***************************************************/
static void drawGam(x,y,w,h)
int x,y,w,h;
{
XRectangle xr;
xr.x = x; xr.y = y; xr.width = w; xr.height = h;
XSetClipRectangles(theDisp, theGC, 0,0, &xr, 1, Unsorted);
drawArrow(232,178);
drawArrow(457,178);
XSetClipMask(theDisp, theGC, None);
}
/***************************************************/
static void drawBut(x,y,w,h)
int x,y,w,h;
{
int i;
XRectangle xr;
xr.x = x; xr.y = y; xr.width = w; xr.height = h;
XSetClipRectangles(theDisp, theGC, 0,0, &xr, 1, Unsorted);
for (i=0; i<G_NBUTTS; i++) {
if (gbut[i].win == butF) BTRedraw(&gbut[i]);
}
XSetClipMask(theDisp, theGC, None);
}
/***************************************************/
static void drawArrow(x,y)
int x,y;
{
XPoint pts[8];
pts[0].x = x+10; pts[0].y = y;
pts[1].x = x-4; pts[1].y = y-100;
pts[2].x = x-4; pts[2].y = y-40;
pts[3].x = x-10; pts[3].y = y-40;
pts[4].x = x-10; pts[4].y = y+40;
pts[5].x = x-4; pts[5].y = y+40;
pts[6].x = x-4; pts[6].y = y+100;
pts[7].x = pts[0].x; pts[7].y = pts[0].y;
XSetForeground(theDisp, theGC, infobg);
XFillPolygon(theDisp, gamW, theGC, pts, 8, Convex, CoordModeOrigin);
XSetForeground(theDisp, theGC, infofg);
XDrawLines(theDisp, gamW, theGC, pts, 8, CoordModeOrigin);
}
/***************************************************/
static void drawCmap()
{
int i;
Draw3dRect(cmapF, 0,0, CMAPF_WIDE-1, CMAPF_HIGH-1, R3D_IN, 2,
hicol, locol, infobg);
XSetForeground(theDisp, theGC, infofg);
ULineString(cmapF, 3, 2+ASCENT, "Colormap Editing");
for (i=0; i<G_NBUTTS; i++) {
if (gbut[i].win == cmapF) BTRedraw(&gbut[i]);
}
RedrawCMap();
}
/***************************************************/
void NewCMap()
{
/* called when we've loaded a new picture */
int i;
XClearArea(theDisp, cmapF, CMAPX, CMAPY, CMAPW+1, CMAPH+1, False);
for (i=0; i<256; i++) cellgroup[i] = 0;
curgroup = maxgroup = 0;
BTSetActive(&gbut[G_BCOLUNDO],0);
if (resetCB.val) { /* auto-reset gamma controls */
i = autoCB.val;
if (i) autoCB.val = 0; /* must NOT apply changes! */
gamstate2ctrls(defLoadState);
autoCB.val = i;
}
/* disable/enable things if we're in PIC24 or PIC8 mode */
BTSetActive(&gbut[G_BCOLREV], (picType == PIC8) ? 1 : 0);
BTSetActive(&gbut[G_BHSVRGB], (picType == PIC8) ? 1 : 0);
BTSetActive(&gbut[G_BMONO], (picType == PIC8) ? 1 : 0);
BTSetActive(&gbut[G_BRV], (picType == PIC8) ? 1 : 0);
BTSetActive(&gbut[G_BRNDCOL], (picType == PIC8) ? 1 : 0);
DSetActive(&rhDial, (picType == PIC8) ? 1 : 0);
DSetActive(&gsDial, (picType == PIC8) ? 1 : 0);
DSetActive(&bvDial, (picType == PIC8) ? 1 : 0);
}
/***************************************************/
void RedrawCMap()
{
int i;
CBSetActive(&dragCB, (allocMode == AM_READWRITE));
XSetLineAttributes(theDisp, theGC, 0, LineSolid, CapButt, JoinMiter);
XSetForeground(theDisp, theGC, infofg);
if (picType != PIC8) {
CenterString(cmapF, CMAPX + CMAPW/2, CMAPY + CMAPH/2,
"No colormap in 24-bit mode.");
return;
}
for (i=0; i<numcols; i++) {
int x,y;
x = CMAPX + (i%16)*CMAPCW;
y = CMAPY + (i/16)*CMAPCH;
XDrawRectangle(theDisp, cmapF, theGC, x, y, CMAPCW,CMAPCH);
}
for (i=0; i<numcols; i++) {
int x,y;
x = CMAPX + (i%16)*CMAPCW;
y = CMAPY + (i/16)*CMAPCH;
XSetForeground(theDisp, theGC, cols[i]);
XFillRectangle(theDisp, cmapF, theGC, x+1, y+1, CMAPCW-1,CMAPCH-1);
if (i == editColor || (curgroup && (cellgroup[i]==curgroup))) {
XSetForeground(theDisp, theGC, infobg);
XDrawRectangle(theDisp, cmapF, theGC, x+1, y+1, CMAPCW-2,CMAPCH-2);
XSetForeground(theDisp, theGC, infofg);
XDrawRectangle(theDisp, cmapF, theGC, x+2, y+2, CMAPCW-4,CMAPCH-4);
}
}
}
/***************************************************/
static void selectCell(cellno, sel)
int cellno, sel;
{
int x,y;
if (cellno >= numcols) return;
x = CMAPX + (cellno%16)*CMAPCW;
y = CMAPY + (cellno/16)*CMAPCH;
if (!sel) { /* unhighlight a cell */
XSetForeground(theDisp, theGC, cols[cellno]);
XFillRectangle(theDisp, cmapF, theGC, x+1, y+1, CMAPCW-1,CMAPCH-1);
}
else { /* highlight a cell */
XSetForeground(theDisp, theGC, infobg);
XDrawRectangle(theDisp, cmapF, theGC, x+1, y+1, CMAPCW-2,CMAPCH-2);
XSetForeground(theDisp, theGC, infofg);
XDrawRectangle(theDisp, cmapF, theGC, x+2, y+2, CMAPCW-4,CMAPCH-4);
}
}
/***************************************************/
static void clickGam(x,y)
int x,y;
{
int i;
BUTT *bp;
for (i=0; i<G_NBUTTS; i++) {
bp = &gbut[i];
if (bp->win == butF && PTINRECT(x, y, bp->x, bp->y, bp->w, bp->h)) break;
}
/* if 'Set' is lit, and we didn't click 'set' or 'Reset' or '1'..'4',
turn it off */
if (i!=G_BSET && i!=G_B1 && i!=G_B2 && i!=G_B3 && i!=G_B4 && i!=G_BRESET
&& gbut[G_BSET].lit) {
gbut[G_BSET].lit = 0;
BTRedraw(&gbut[G_BSET]);
}
if (i<G_NBUTTS) { /* found one */
if (BTTrack(bp)) doCmd(i);
}
}
/***************************************************/
static void clickCmap(x,y,but)
int x,y,but;
{
int i, recolor;
BUTT *bp;
if (but==1) { /* if left click, check the cmap controls */
for (i=0; i<G_NBUTTS; i++) {
bp = &gbut[i];
if (bp->win == cmapF && PTINRECT(x,y,bp->x, bp->y, bp->w, bp->h)) break;
}
if (i<G_NBUTTS) { /* found one */
if (BTTrack(bp)) doCmd(i);
return;
}
}
/* see if we're anywhere in the colormap area */
if (picType == PIC8 && PTINRECT(x,y,CMAPX,CMAPY,CMAPW,CMAPH)) {
if (but==1) { /* select different cell/group for editing */
/* compute colorcell # */
i = ((x-CMAPX)/CMAPCW) + ((y-CMAPY)/CMAPCH)*16;
if (i<numcols) { /* clicked in colormap. track til mouseup */
if (i!=editColor) ChangeEC(i);
while (1) {
Window rW,cW;
int rx,ry,x,y;
unsigned int mask;
if (XQueryPointer(theDisp,cmapF,&rW,&cW,&rx,&ry,&x,&y,&mask)) {
if (!(mask & Button1Mask)) break; /* button released */
RANGE(x, CMAPX, CMAPX+CMAPW-1);
RANGE(y, CMAPY, CMAPY+CMAPH-1);
i = ((x-CMAPX)/CMAPCW) + ((y-CMAPY)/CMAPCH)*16;
if (i<numcols && i != editColor) ChangeEC(i);