diff options
-rw-r--r-- | Eyes.c | 455 | ||||
-rw-r--r-- | Eyes.h | 44 | ||||
-rw-r--r-- | EyesP.h | 54 | ||||
-rw-r--r-- | eyes.bit | 21 | ||||
-rw-r--r-- | eyesmask.bit | 21 | ||||
-rw-r--r-- | transform.c | 121 | ||||
-rw-r--r-- | transform.h | 35 | ||||
-rw-r--r-- | xeyes.c | 132 | ||||
-rw-r--r-- | xeyes.man | 56 |
9 files changed, 939 insertions, 0 deletions
@@ -0,0 +1,455 @@ +/* $XConsortium: Eyes.c,v 1.28 94/04/17 20:45:22 eswu Exp $ */ +/* $XFree86: xc/programs/xeyes/Eyes.c,v 1.4 2001/08/27 23:35:13 dawes Exp $ */ +/* + +Copyright (c) 1991 X Consortium + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the X Consortium shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from the X Consortium. + +*/ + +/* + * Eyes.c + * + * a widget which follows the mouse around + */ + +# include <X11/Xos.h> +# include <stdio.h> +# include <X11/IntrinsicP.h> +# include <X11/StringDefs.h> +# include <X11/Xmu/Converters.h> +# include "EyesP.h" +# include <math.h> +# include <X11/extensions/shape.h> + +#if (defined(SVR4) || defined(SYSV) && defined(i386)) +extern double hypot(double, double); +#endif + +#define offset(field) XtOffsetOf(EyesRec, eyes.field) +#define goffset(field) XtOffsetOf(WidgetRec, core.field) + +static XtResource resources[] = { + {XtNwidth, XtCWidth, XtRDimension, sizeof(Dimension), + goffset(width), XtRImmediate, (XtPointer) 150}, + {XtNheight, XtCHeight, XtRDimension, sizeof(Dimension), + goffset(height), XtRImmediate, (XtPointer) 100}, + {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), + offset(puppixel), XtRString, XtDefaultForeground}, + {XtNoutline, XtCForeground, XtRPixel, sizeof(Pixel), + offset(outline), XtRString, XtDefaultForeground}, + {XtNcenterColor, XtCBackground, XtRPixel, sizeof (Pixel), + offset(center), XtRString, XtDefaultBackground}, + {XtNreverseVideo, XtCReverseVideo, XtRBoolean, sizeof (Boolean), + offset (reverse_video), XtRImmediate, (XtPointer) FALSE}, + {XtNbackingStore, XtCBackingStore, XtRBackingStore, sizeof (int), + offset (backing_store), XtRString, "default"}, + {XtNshapeWindow, XtCShapeWindow, XtRBoolean, sizeof (Boolean), + offset (shape_window), XtRImmediate, (XtPointer) TRUE}, +}; + +#undef offset +#undef goffset + +# define NUM_EYES 2 +# define EYE_X(n) ((n) * 2.0) +# define EYE_Y(n) (0.0) +# define EYE_OFFSET (0.1) /* padding between eyes */ +# define EYE_THICK (0.175) /* thickness of eye rim */ +# define BALL_WIDTH (0.3) +# define BALL_PAD (0.05) +# define EYE_WIDTH (2.0 - (EYE_THICK + EYE_OFFSET) * 2) +# define EYE_HEIGHT EYE_WIDTH +# define EYE_HWIDTH (EYE_WIDTH / 2.0) +# define EYE_HHEIGHT (EYE_HEIGHT / 2.0) +# define BALL_HEIGHT BALL_WIDTH +# define BALL_DIST ((EYE_WIDTH - BALL_WIDTH) / 2.0 - BALL_PAD) +# define W_MIN_X (-1.0 + EYE_OFFSET) +# define W_MAX_X (3.0 - EYE_OFFSET) +# define W_MIN_Y (-1.0 + EYE_OFFSET) +# define W_MAX_Y (1.0 - EYE_OFFSET) + +# define TPointEqual(a, b) ((a).x == (b).x && (a).y == (b).y) +# define XPointEqual(a, b) ((a).x == (b).x && (a).y == (b).y) + +static int delays[] = { 50, 100, 200, 400, 0 }; + +static void ClassInitialize(void) +{ + XtAddConverter( XtRString, XtRBackingStore, XmuCvtStringToBackingStore, + NULL, 0 ); +} + +WidgetClass eyesWidgetClass = (WidgetClass) &eyesClassRec; + +/* ARGSUSED */ +static void Initialize ( + Widget greq, + Widget gnew, + ArgList args, + Cardinal *num_args) +{ + EyesWidget w = (EyesWidget)gnew; + XtGCMask valuemask; + XGCValues myXGCV; + int shape_event_base, shape_error_base; + + /* + * set the colors if reverse video; these are the colors used: + * + * background - paper white + * foreground - text, ticks black + * border - border black (foreground) + * + * This doesn't completely work since the parent has already made up a + * border. Sigh. + */ + if (w->eyes.reverse_video) { + Pixel fg = w->eyes.puppixel; + Pixel bg = w->core.background_pixel; + + if (w->core.border_pixel == fg) + w->core.border_pixel = bg; + if (w->eyes.outline == fg) + w->eyes.outline = bg; + if (w->eyes.center == bg) + w->eyes.center = fg; + w->eyes.puppixel = bg; + w->core.background_pixel = fg; + } + + myXGCV.foreground = w->eyes.puppixel; + myXGCV.background = w->core.background_pixel; + valuemask = GCForeground | GCBackground; + w->eyes.pupGC = XtGetGC(gnew, valuemask, &myXGCV); + + myXGCV.foreground = w->eyes.outline; + valuemask = GCForeground | GCBackground; + w->eyes.outGC = XtGetGC(gnew, valuemask, &myXGCV); + + myXGCV.foreground = w->eyes.center; + myXGCV.background = w->eyes.puppixel; + valuemask = GCForeground | GCBackground; + w->eyes.centerGC = XtGetGC(gnew, valuemask, &myXGCV); + + w->eyes.update = 0; + /* wait for Realize to add the timeout */ + w->eyes.interval_id = 0; + + w->eyes.pupil[0].x = w->eyes.pupil[1].x = -1000; + w->eyes.pupil[0].y = w->eyes.pupil[1].y = -1000; + + w->eyes.mouse.x = w->eyes.mouse.y = -1000; + + if (w->eyes.shape_window && !XShapeQueryExtension (XtDisplay (w), + &shape_event_base, + &shape_error_base)) + w->eyes.shape_window = False; + w->eyes.shape_mask = 0; + w->eyes.shapeGC = 0; +} + +static void eyeLiner ( + EyesWidget w, + Drawable d, + GC outgc, + GC centergc, + int num) +{ + Display *dpy = XtDisplay(w); + + TFillArc (dpy, d, outgc, &w->eyes.t, + EYE_X(num) - EYE_HWIDTH - EYE_THICK, + EYE_Y(num) - EYE_HHEIGHT - EYE_THICK, + EYE_WIDTH + EYE_THICK * 2.0, + EYE_HEIGHT + EYE_THICK * 2.0, + 90 * 64, 360 * 64); + if (centergc) { + TFillArc (dpy, d, centergc, &w->eyes.t, + EYE_X(num) - EYE_HWIDTH, + EYE_Y(num) - EYE_HHEIGHT, + EYE_WIDTH, EYE_HEIGHT, + 90 * 64, 360 * 64); + } +} + +static TPoint computePupil ( + int num, + TPoint mouse) +{ + double cx, cy; + double dist; + double angle; + double x, y; + double h; + double dx, dy; + double cosa, sina; + TPoint ret; + + dx = mouse.x - EYE_X(num); + dy = mouse.y - EYE_Y(num); + if (dx == 0 && dy == 0) { + cx = EYE_X(num); + cy = EYE_Y(num); + } else { + angle = atan2 ((double) dy, (double) dx); + cosa = cos (angle); + sina = sin (angle); + h = hypot (EYE_HHEIGHT * cosa, EYE_HWIDTH * sina); + x = (EYE_HWIDTH * EYE_HHEIGHT) * cosa / h; + y = (EYE_HWIDTH * EYE_HHEIGHT) * sina / h; + dist = BALL_DIST * hypot (x, y); + if (dist > hypot ((double) dx, (double) dy)) { + cx = dx + EYE_X(num); + cy = dy + EYE_Y(num); + } else { + cx = dist * cosa + EYE_X(num); + cy = dist * sina + EYE_Y(num); + } + } + ret.x = cx; + ret.y = cy; + return ret; +} + +static void computePupils ( + TPoint mouse, + TPoint pupils[2]) +{ + pupils[0] = computePupil (0, mouse); + pupils[1] = computePupil (1, mouse); +} + +static void eyeBall ( + EyesWidget w, + GC gc, + int num) +{ + Display *dpy = XtDisplay(w); + Window win = XtWindow(w); + + TFillArc (dpy, win, gc, &w->eyes.t, + w->eyes.pupil[num].x - BALL_WIDTH / 2.0, + w->eyes.pupil[num].y - BALL_HEIGHT / 2.0, + BALL_WIDTH, BALL_HEIGHT, + 90 * 64, 360 * 64); +} + +static void repaint_window (EyesWidget w) +{ + if (XtIsRealized ((Widget) w)) { + eyeLiner (w, XtWindow (w), w->eyes.outGC, w->eyes.centerGC, 0); + eyeLiner (w, XtWindow (w), w->eyes.outGC, w->eyes.centerGC, 1); + computePupils (w->eyes.mouse, w->eyes.pupil); + eyeBall (w, w->eyes.pupGC, 0); + eyeBall (w, w->eyes.pupGC, 1); + } +} + +/* ARGSUSED */ +static void draw_it ( + XtPointer client_data, + XtIntervalId *id) /* unused */ +{ + EyesWidget w = (EyesWidget)client_data; + Window rep_root, rep_child; + int rep_rootx, rep_rooty; + unsigned int rep_mask; + int dx, dy; + TPoint mouse; + Display *dpy = XtDisplay (w); + Window win = XtWindow (w); + TPoint newpupil[2]; + XPoint xnewpupil, xpupil; + + if (XtIsRealized((Widget)w)) { + XQueryPointer (dpy, win, &rep_root, &rep_child, + &rep_rootx, &rep_rooty, &dx, &dy, &rep_mask); + mouse.x = Tx(dx, dy, &w->eyes.t); + mouse.y = Ty(dx, dy, &w->eyes.t); + if (!TPointEqual (mouse, w->eyes.mouse)) { + computePupils (mouse, newpupil); + xpupil.x = Xx(w->eyes.pupil[0].x, w->eyes.pupil[0].y, &w->eyes.t); + xpupil.y = Xy(w->eyes.pupil[0].x, w->eyes.pupil[0].y, &w->eyes.t); + xnewpupil.x = Xx(newpupil[0].x, newpupil[0].y, &w->eyes.t); + xnewpupil.y = Xy(newpupil[0].x, newpupil[0].y, &w->eyes.t); + if (!XPointEqual (xpupil, xnewpupil)) { + if (w->eyes.pupil[0].x != -1000 || w->eyes.pupil[0].y != -1000) + eyeBall (w, w->eyes.centerGC, 0); + w->eyes.pupil[0] = newpupil[0]; + eyeBall (w, w->eyes.pupGC, 0); + } + xpupil.x = Xx(w->eyes.pupil[1].x, w->eyes.pupil[1].y, &w->eyes.t); + xpupil.y = Xy(w->eyes.pupil[1].x, w->eyes.pupil[1].y, &w->eyes.t); + xnewpupil.x = Xx(newpupil[1].x, newpupil[1].y, &w->eyes.t); + xnewpupil.y = Xy(newpupil[1].x, newpupil[1].y, &w->eyes.t); + if (!XPointEqual (xpupil, xnewpupil)) { + if (w->eyes.pupil[1].x != -1 || w->eyes.pupil[1].y != -1) + eyeBall (w, w->eyes.centerGC, 1); + w->eyes.pupil[1] = newpupil[1]; + eyeBall (w, w->eyes.pupGC, 1); + } + w->eyes.mouse = mouse; + w->eyes.update = 0; + } else { + if (delays[w->eyes.update + 1] != 0) + ++w->eyes.update; + } + } + w->eyes.interval_id = + XtAppAddTimeOut(XtWidgetToApplicationContext((Widget) w), + delays[w->eyes.update], draw_it, (XtPointer)w); +} /* draw_it */ + +static void Resize (Widget gw) +{ + EyesWidget w = (EyesWidget) gw; + XGCValues xgcv; + Widget parent; + int x, y; + + if (XtIsRealized (gw)) + { + XClearWindow (XtDisplay (w), XtWindow (w)); + SetTransform (&w->eyes.t, + 0, w->core.width, + w->core.height, 0, + W_MIN_X, W_MAX_X, + W_MIN_Y, W_MAX_Y); + if (w->eyes.shape_window) { + w->eyes.shape_mask = XCreatePixmap (XtDisplay (w), XtWindow (w), + w->core.width, w->core.height, 1); + if (!w->eyes.shapeGC) + w->eyes.shapeGC = XCreateGC (XtDisplay (w), w->eyes.shape_mask, 0, &xgcv); + XSetForeground (XtDisplay (w), w->eyes.shapeGC, 0); + XFillRectangle (XtDisplay (w), w->eyes.shape_mask, w->eyes.shapeGC, 0, 0, + w->core.width, w->core.height); + XSetForeground (XtDisplay (w), w->eyes.shapeGC, 1); + eyeLiner (w, w->eyes.shape_mask, w->eyes.shapeGC, (GC) 0, 0); + eyeLiner (w, w->eyes.shape_mask, w->eyes.shapeGC, (GC) 0, 1); + x = y = 0; + for (parent = (Widget) w; XtParent (parent); parent = XtParent (parent)) { + x += parent->core.x + parent->core.border_width; + x += parent->core.y + parent->core.border_width; + } + XShapeCombineMask (XtDisplay (parent), XtWindow (parent), ShapeBounding, + x, y, w->eyes.shape_mask, ShapeSet); + XFreePixmap (XtDisplay (w), w->eyes.shape_mask); + } + } +} + +static void Realize ( + Widget gw, + XtValueMask *valueMask, + XSetWindowAttributes *attrs) +{ + EyesWidget w = (EyesWidget)gw; + + if (w->eyes.backing_store != Always + WhenMapped + NotUseful) { + attrs->backing_store = w->eyes.backing_store; + *valueMask |= CWBackingStore; + } + XtCreateWindow( gw, (unsigned)InputOutput, (Visual *)CopyFromParent, + *valueMask, attrs ); + Resize (gw); + w->eyes.interval_id = + XtAppAddTimeOut(XtWidgetToApplicationContext(gw), + delays[w->eyes.update], draw_it, (XtPointer)gw); +} + +static void Destroy (Widget gw) +{ + EyesWidget w = (EyesWidget)gw; + + if (w->eyes.interval_id) + XtRemoveTimeOut (w->eyes.interval_id); + XtReleaseGC(gw, w->eyes.pupGC); + XtReleaseGC(gw, w->eyes.outGC); + XtReleaseGC(gw, w->eyes.centerGC); +} + +/* ARGSUSED */ +static void Redisplay( + Widget gw, + XEvent *event, + Region region) +{ + EyesWidget w; + + w = (EyesWidget) gw; + w->eyes.pupil[0].x = -1000; + w->eyes.pupil[0].y = -1000; + w->eyes.pupil[1].x = -1000; + w->eyes.pupil[1].y = -1000; + (void) repaint_window ((EyesWidget)gw); +} + +/* ARGSUSED */ +static Boolean SetValues ( + Widget current, + Widget request, + Widget new, + ArgList args, + Cardinal *num_args) +{ + return( FALSE ); +} + +EyesClassRec eyesClassRec = { + { /* core fields */ + /* superclass */ &widgetClassRec, + /* class_name */ "Eyes", + /* size */ sizeof(EyesRec), + /* class_initialize */ ClassInitialize, + /* class_part_initialize */ NULL, + /* class_inited */ FALSE, + /* initialize */ Initialize, + /* initialize_hook */ NULL, + /* realize */ Realize, + /* actions */ NULL, + /* num_actions */ 0, + /* resources */ resources, + /* num_resources */ XtNumber(resources), + /* xrm_class */ NULLQUARK, + /* compress_motion */ TRUE, + /* compress_exposure */ TRUE, + /* compress_enterleave */ TRUE, + /* visible_interest */ FALSE, + /* destroy */ Destroy, + /* resize */ Resize, + /* expose */ Redisplay, + /* set_values */ SetValues, + /* set_values_hook */ NULL, + /* set_values_almost */ NULL, + /* get_values_hook */ NULL, + /* accept_focus */ NULL, + /* version */ XtVersion, + /* callback_private */ NULL, + /* tm_table */ NULL, + /* query_geometry */ XtInheritQueryGeometry, + } +}; @@ -0,0 +1,44 @@ +/* +* $XConsortium: Eyes.h,v 1.7 90/12/01 13:04:51 rws Exp $ +*/ + +#ifndef _XtEyes_h +#define _XtEyes_h + +/*********************************************************************** + * + * Eyes Widget + * + ***********************************************************************/ + +/* Parameters: + + Name Class RepType Default Value + ---- ----- ------- ------------- + background Background pixel White + border BorderColor pixel Black + borderWidth BorderWidth int 1 + foreground Foreground Pixel Black + outline Outline Pixel Black + height Height int 120 + mappedWhenManaged MappedWhenManaged Boolean True + reverseVideo ReverseVideo Boolean False + width Width int 120 + x Position int 0 + y Position int 0 + +*/ + +#define XtNoutline "outline" +#define XtNcenterColor "center" + +#define XtNshapeWindow "shapeWindow" +#define XtCShapeWindow "ShapeWindow" + +typedef struct _EyesRec *EyesWidget; /* completely defined in EyesPrivate.h */ +typedef struct _EyesClassRec *EyesWidgetClass; /* completely defined in EyesPrivate.h */ + +extern WidgetClass eyesWidgetClass; + +#endif /* _XtEyes_h */ +/* DON'T ADD STUFF AFTER THIS #endif */ @@ -0,0 +1,54 @@ +/* +* $XConsortium: EyesP.h,v 1.9 90/12/01 13:04:43 rws Exp $ +*/ + +#ifndef _EyesP_h +#define _EyesP_h + +#include "Eyes.h" +#include <X11/CoreP.h> +#include "transform.h" + +#define SEG_BUFF_SIZE 128 + +/* New fields for the eyes widget instance record */ +typedef struct { + Pixel puppixel; /* foreground pixel */ + Pixel outline; /* outline pixel */ + Pixel center; /* inside pixel */ + GC outGC; /* pointer to GraphicsContext */ + GC pupGC; /* pointer to GraphicsContext */ + GC centerGC; /* pointer to GraphicsContext */ + GC shapeGC; /* pointer to GraphicsContext */ +/* start of graph stuff */ + int backing_store; /* backing store variety */ + Boolean reverse_video; /* swap fg and bg pixels */ + Boolean shape_window; /* use SetWindowShapeMask */ + int update; /* current timeout index */ + TPoint mouse; /* old mouse position */ + TPoint pupil[2]; /* pupil position */ + Transform t; + Transform maskt; + XtIntervalId interval_id; + Pixmap shape_mask; /* window shape */ + } EyesPart; + +/* Full instance record declaration */ +typedef struct _EyesRec { + CorePart core; + EyesPart eyes; + } EyesRec; + +/* New fields for the Eyes widget class record */ +typedef struct {int dummy;} EyesClassPart; + +/* Full class record declaration. */ +typedef struct _EyesClassRec { + CoreClassPart core_class; + EyesClassPart eyes_class; + } EyesClassRec; + +/* Class pointer. */ +extern EyesClassRec eyesClassRec; + +#endif /* _EyesP_h */ diff --git a/eyes.bit b/eyes.bit new file mode 100644 index 0000000..4948216 --- /dev/null +++ b/eyes.bit @@ -0,0 +1,21 @@ +#define eyes_width 48 +#define eyes_height 32 +#define eyes_x_hot 0 +#define eyes_y_hot 0 +static unsigned char eyes_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x78, 0x00, 0x00, 0x1e, 0x00, 0x00, 0xfe, 0x01, 0x80, 0x7f, 0x00, + 0x00, 0x87, 0x03, 0xc0, 0xe1, 0x00, 0x80, 0x01, 0x06, 0x60, 0x80, 0x01, + 0xc0, 0x00, 0x0c, 0x30, 0x00, 0x03, 0x60, 0x00, 0x18, 0x18, 0x00, 0x06, + 0x30, 0x00, 0x30, 0x0c, 0x00, 0x0c, 0x30, 0x00, 0x30, 0x0c, 0x00, 0x0c, + 0x10, 0x00, 0x20, 0x04, 0x00, 0x08, 0x18, 0x00, 0x60, 0x06, 0x00, 0x18, + 0x18, 0x00, 0x60, 0x06, 0x00, 0x18, 0x18, 0x00, 0x60, 0x06, 0x00, 0x18, + 0x18, 0x00, 0x60, 0x06, 0x00, 0x18, 0x18, 0x00, 0x60, 0x06, 0x00, 0x18, + 0x18, 0x00, 0x60, 0x06, 0x00, 0x18, 0x18, 0x80, 0x63, 0x06, 0x00, 0x18, + 0x18, 0x80, 0x63, 0x06, 0xe0, 0x18, 0x18, 0x80, 0x63, 0x06, 0xe0, 0x18, + 0x18, 0x00, 0x60, 0x06, 0xe0, 0x18, 0x18, 0x00, 0x20, 0x06, 0x00, 0x08, + 0x10, 0x00, 0x30, 0x04, 0x00, 0x0c, 0x10, 0x00, 0x10, 0x04, 0x00, 0x04, + 0x30, 0x00, 0x18, 0x0c, 0x00, 0x06, 0x60, 0x00, 0x08, 0x18, 0x00, 0x02, + 0x40, 0x00, 0x0c, 0x10, 0x00, 0x03, 0xc0, 0x00, 0x06, 0x30, 0x80, 0x01, + 0x80, 0x83, 0x03, 0xe0, 0xe0, 0x00, 0x00, 0xff, 0x01, 0xc0, 0x7f, 0x00, + 0x00, 0xfe, 0x00, 0x00, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; diff --git a/eyesmask.bit b/eyesmask.bit new file mode 100644 index 0000000..0e4116b --- /dev/null +++ b/eyesmask.bit @@ -0,0 +1,21 @@ +#define eyesmask_width 48 +#define eyesmask_height 32 +#define eyesmask_x_hot 0 +#define eyesmask_y_hot 0 +static unsigned char eyesmask_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x78, 0x00, 0x00, 0x1e, 0x00, 0x00, 0xfe, 0x01, 0x80, 0x7f, 0x00, + 0x00, 0xff, 0x03, 0xc0, 0xff, 0x00, 0x80, 0xff, 0x07, 0xe0, 0xff, 0x01, + 0xc0, 0xff, 0x0f, 0xf0, 0xff, 0x03, 0xe0, 0xff, 0x1f, 0xf8, 0xff, 0x07, + 0xf0, 0xff, 0x3f, 0xfc, 0xff, 0x0f, 0xf0, 0xff, 0x3f, 0xfc, 0xff, 0x0f, + 0xf0, 0xff, 0x3f, 0xfc, 0xff, 0x0f, 0xf8, 0xff, 0x7f, 0xfe, 0xff, 0x1f, + 0xf8, 0xff, 0x7f, 0xfe, 0xff, 0x1f, 0xf8, 0xff, 0x7f, 0xfe, 0xff, 0x1f, + 0xf8, 0xff, 0x7f, 0xfe, 0xff, 0x1f, 0xf8, 0xff, 0x7f, 0xfe, 0xff, 0x1f, + 0xf8, 0xff, 0x7f, 0xfe, 0xff, 0x1f, 0xf8, 0xff, 0x7f, 0xfe, 0xff, 0x1f, + 0xf8, 0xff, 0x7f, 0xfe, 0xff, 0x1f, 0xf8, 0xff, 0x7f, 0xfe, 0xff, 0x1f, + 0xf8, 0xff, 0x7f, 0xfe, 0xff, 0x1f, 0xf8, 0xff, 0x3f, 0xfe, 0xff, 0x0f, + 0xf0, 0xff, 0x3f, 0xfc, 0xff, 0x0f, 0xf0, 0xff, 0x1f, 0xfc, 0xff, 0x07, + 0xf0, 0xff, 0x1f, 0xfc, 0xff, 0x07, 0xe0, 0xff, 0x0f, 0xf8, 0xff, 0x03, + 0xc0, 0xff, 0x0f, 0xf0, 0xff, 0x03, 0xc0, 0xff, 0x07, 0xf0, 0xff, 0x01, + 0x80, 0xff, 0x03, 0xe0, 0xff, 0x00, 0x00, 0xff, 0x01, 0xc0, 0x7f, 0x00, + 0x00, 0xfe, 0x00, 0x00, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; diff --git a/transform.c b/transform.c new file mode 100644 index 0000000..9495790 --- /dev/null +++ b/transform.c @@ -0,0 +1,121 @@ +/* + * transformed coordinate system objects for X + */ +/* $XFree86: xc/programs/xeyes/transform.c,v 1.4 2001/08/27 23:35:13 dawes Exp $ */ + +# include <X11/Xos.h> +# include <stdlib.h> +# include <X11/Xlib.h> +# include "transform.h" + +#if 0 +static XPoint * +TranslatePoints (TPoint *points, int n_points, Transform *t, int mode) +{ + XPoint *xpoints; + int i; + double xoff = 0.0, yoff = 0.0; + + xpoints = (XPoint *) malloc (n_points * sizeof (*xpoints)); + if (!xpoints) + return NULL; + for (i = 0; i < n_points; i++) { + xpoints[i].x = Xx(points[i].x + xoff, points[i].y + yoff, t); + xpoints[i].y = Xy(points[i].x + xoff, points[i].y + yoff, t); + if (mode == CoordModePrevious) { + xoff += points[i].x; + yoff += points[i].y; + } + } + return xpoints; +} + +static void +TFillPolygon ( + Display *dpy, + Drawable d, + GC gc, + Transform *t, + TPoint *points, + int n_points, + int shape, + int mode) +{ + XPoint *xpoints; + + xpoints = TranslatePoints (points, n_points, t, mode); + if (xpoints) { + XFillPolygon (dpy, d, gc, xpoints, n_points, shape, + CoordModeOrigin); + free (xpoints); + } +} + +static void +TDrawArc ( + Display *dpy, + Drawable d, + GC gc, + Transform *t, + double x, + double y, + double width, + double height, + int angle1, + int angle2) +{ + int xx, xy, xw, xh; + + xx = Xx(x,y,t); + xy = Xy(x,y,t); + xw = Xwidth (width, height, t); + xh = Xheight (width, height, t); + if (xw < 0) { + xx += xw; + xw = -xw; + } + if (xh < 0) { + xy += xh; + xh = -xh; + } + XDrawArc (dpy, d, gc, xx, xy, xw, xh, angle1, angle2); +} +#endif + +void +TFillArc (dpy, d, gc, t, x, y, width, height, angle1, angle2) + Display *dpy; + Drawable d; + GC gc; + Transform *t; + double x, y, width, height; + int angle1, angle2; +{ + int xx, xy, xw, xh; + + xx = Xx(x,y,t); + xy = Xy(x,y,t); + xw = Xwidth (width, height, t); + xh = Xheight (width, height, t); + if (xw < 0) { + xx += xw; + xw = -xw; + } + if (xh < 0) { + xy += xh; + xh = -xh; + } + XFillArc (dpy, d, gc, xx, xy, xw, xh, angle1, angle2); +} + +void +SetTransform (t, xx1, xx2, xy1, xy2, tx1, tx2, ty1, ty2) + Transform *t; + int xx1, xx2, xy1, xy2; + double tx1, tx2, ty1, ty2; +{ + t->mx = ((double) xx2 - xx1) / (tx2 - tx1); + t->bx = ((double) xx1) - t->mx * tx1; + t->my = ((double) xy2 - xy1) / (ty2 - ty1); + t->by = ((double) xy1) - t->my * ty1; +} diff --git a/transform.h b/transform.h new file mode 100644 index 0000000..b22620d --- /dev/null +++ b/transform.h @@ -0,0 +1,35 @@ +/* + * header file for transformed coordinate system. No rotations + * supported, as elipses cannot be rotated in X. + */ +/* $XFree86: xc/programs/xeyes/transform.h,v 1.3 2000/02/17 14:00:35 dawes Exp $ */ + +typedef struct _transform { + double mx, bx; + double my, by; +} Transform; + +typedef struct _TPoint { + double x, y; +} TPoint; + +typedef struct _TRectangle { + double x, y, width, height; +} TRectangle; + +# define Xx(x,y,t) ((int)((t)->mx * (x) + (t)->bx + 0.5)) +# define Xy(x,y,t) ((int)((t)->my * (y) + (t)->by + 0.5)) +# define Xwidth(w,h,t) ((int)((t)->mx * (w) + 0.5)) +# define Xheight(w,h,t) ((int)((t)->my * (h) + 0.5)) +# define Tx(x,y,t) ((((double) (x)) - (t)->bx) / (t)->mx) +# define Ty(x,y,t) ((((double) (y)) - (t)->by) / (t)->my) +# define Twidth(w,h,t) (((double) (w)) / (t)->mx) +# define Theight(w,h,t) (((double) (h)) / (t)->my) + +extern void TFillArc (Display *dpy, Drawable d, GC gc, + Transform *t, + double x, double y, double width, double height, + int angle1, int angle2); +extern void SetTransform (Transform *t, + int xx1, int xx2, int xy1, int xy2, + double tx1, double tx2, double ty1, double ty2); @@ -0,0 +1,132 @@ +/* $XConsortium: xeyes.c,v 1.16 94/04/17 20:45:23 rws Exp $ */ +/* + +Copyright (c) 1991 X Consortium + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the X Consortium shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from the X Consortium. + +*/ +/* $XFree86: xc/programs/xeyes/xeyes.c,v 1.4 2001/08/27 23:35:13 dawes Exp $ */ + +#include <X11/Intrinsic.h> +#include <X11/StringDefs.h> +#include <X11/Shell.h> +#include "Eyes.h" +#include <stdio.h> +#include <stdlib.h> +#include "eyes.bit" +#include "eyesmask.bit" + +/* Exit with message describing command line format */ + +static void +usage(void) +{ + fprintf(stderr, +"usage: xeyes\n"); + fprintf (stderr, +" [-geometry [{width}][x{height}][{+-}{xoff}[{+-}{yoff}]]] [-display [{host}]:[{vs}]]\n"); + fprintf(stderr, +" [-fg {color}] [-bg {color}] [-bd {color}] [-bw {pixels}]"); + fprintf(stderr, " [-shape | +shape]"); + fprintf(stderr, "\n"); + fprintf(stderr, +" [-outline {color}] [-center {color}] [-backing {backing-store}]\n"); + exit(1); +} + +/* Command line options table. Only resources are entered here...there is a + pass over the remaining options after XtParseCommand is let loose. */ + +static XrmOptionDescRec options[] = { +{"-outline", "*eyes.outline", XrmoptionSepArg, NULL}, +{"-center", "*eyes.center", XrmoptionSepArg, NULL}, +{"-backing", "*eyes.backingStore", XrmoptionSepArg, NULL}, +{"-shape", "*eyes.shapeWindow", XrmoptionNoArg, "TRUE"}, +{"+shape", "*eyes.shapeWindow", XrmoptionNoArg, "FALSE"}, +}; + +static Atom wm_delete_window; + +/*ARGSUSED*/ +static void +quit(Widget w, XEvent *event, String *params, Cardinal *num_params) +{ + if (event->type == ClientMessage && + event->xclient.data.l[0] != wm_delete_window) { + XBell(XtDisplay(w), 0); + } else { + XtDestroyApplicationContext(XtWidgetToApplicationContext(w)); + exit(0); + } +} + +static XtActionsRec actions[] = { + {"quit", quit} +}; + +int +main(int argc, char **argv) +{ + XtAppContext app_context; + Widget toplevel; + Arg arg[2]; + Cardinal i; + + XtSetLanguageProc(NULL, (XtLanguageProc) NULL, NULL); + + toplevel = XtAppInitialize(&app_context, "XEyes", + options, XtNumber(options), &argc, argv, + NULL, arg, (Cardinal) 0); + if (argc != 1) usage(); + + wm_delete_window = XInternAtom(XtDisplay(toplevel), "WM_DELETE_WINDOW", + False); + XtAppAddActions(app_context, actions, XtNumber(actions)); + XtOverrideTranslations + (toplevel, XtParseTranslationTable ("<Message>WM_PROTOCOLS: quit()")); + + i = 0; + XtSetArg (arg[i], XtNiconPixmap, + XCreateBitmapFromData (XtDisplay(toplevel), + XtScreen(toplevel)->root, + (char *)eyes_bits, eyes_width, eyes_height)); + i++; + XtSetArg (arg[i], XtNiconMask, + XCreateBitmapFromData (XtDisplay(toplevel), + XtScreen(toplevel)->root, + (char *)eyesmask_bits, + eyesmask_width, eyesmask_height)); + i++; + XtSetValues (toplevel, arg, i); + + (void) XtCreateManagedWidget ("eyes", eyesWidgetClass, toplevel, NULL, 0); + XtRealizeWidget (toplevel); + (void) XSetWMProtocols (XtDisplay(toplevel), XtWindow(toplevel), + &wm_delete_window, 1); + XtAppMainLoop(app_context); + + return 0; +} diff --git a/xeyes.man b/xeyes.man new file mode 100644 index 0000000..77b170f --- /dev/null +++ b/xeyes.man @@ -0,0 +1,56 @@ +.\" $XConsortium: xeyes.man,v 1.12 94/04/17 20:45:24 gildea Exp $ +.\" +.\" $XFree86: xc/programs/xeyes/xeyes.man,v 1.3 2001/01/27 18:21:12 dawes Exp $ +.\" +.TH XEYES 1 __xorgversion__ +.SH NAME +xeyes \- a follow the mouse X demo +.SH SYNOPSIS +.B xeyes +[-option ...] +.SH DESCRIPTION +.I Xeyes +watches what you do and reports to the Boss. +.SH OPTIONS +.TP 8 +.B \-fg \fIforeground color\fB +choose a different color for the pupil of the eyes. +.TP 8 +.B \-bg \fIbackground color\fB +choose a different color for the background. +.TP 8 +.B \-outline \fIoutline color\fB +choose a different color for the outline of the eyes. +.TP 8 +.B \-center \fIcenter color\fB +choose a different color for the center of the eyes. +.TP 8 +.B \-backing \fI{ WhenMapped Always NotUseful }\fB +selects an appropriate level of backing store. +.TP 8 +.B \-geometry \fIgeometry\fB +define the initial window geometry; see \fIX(__miscmansuffix__)\fP. +.TP 8 +.B \-display \fIdisplay\fB +specify the display to use; see \fIX(__miscmansuffix__)\fP. +.TP 8 +.B \-bd \fIborder color\fB +choose a different color for the window border. +.TP 8 +.B \-bw \fIborder width\fB +choose a different width for the window border. +.TP 8 +.B \-shape +uses the SHAPE extension to shape the window. This is the default. +.TP 8 +.B \+shape +Disables uses the SHAPE extension to shape the window. +.SH "SEE ALSO" +X(__miscmansuffix__), X Toolkit documentation +.br +See \fIX(__miscmansuffix__)\fP for a full statement of rights and permissions. +.SH AUTHOR +Keith Packard, MIT X Consortium +.br +Copied from the NeWS version written (apparantly) by Jeremy Huxtable as seen +at SIGGRAPH '88 |