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-rw-r--r--Eyes.c275
1 files changed, 195 insertions, 80 deletions
diff --git a/Eyes.c b/Eyes.c
index 3965833..1bb36db 100644
--- a/Eyes.c
+++ b/Eyes.c
@@ -36,6 +36,10 @@ from the X Consortium.
* a widget which follows the mouse around
*/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
# include <X11/Xos.h>
# include <stdio.h>
# include <X11/IntrinsicP.h>
@@ -44,6 +48,8 @@ from the X Consortium.
# include "EyesP.h"
# include <math.h>
# include <X11/extensions/shape.h>
+# include <X11/Xlibint.h>
+# include <stdlib.h>
#if (defined(SVR4) || defined(SYSV) && defined(i386))
extern double hypot(double, double);
@@ -58,17 +64,21 @@ static XtResource resources[] = {
{XtNheight, XtCHeight, XtRDimension, sizeof(Dimension),
goffset(height), XtRImmediate, (XtPointer) 100},
{XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel),
- offset(puppixel), XtRString, XtDefaultForeground},
+ offset(pixel[PART_PUPIL]), XtRString, XtDefaultForeground},
{XtNoutline, XtCForeground, XtRPixel, sizeof(Pixel),
- offset(outline), XtRString, XtDefaultForeground},
+ offset(pixel[PART_OUTLINE]), XtRString, XtDefaultForeground},
{XtNcenterColor, XtCBackground, XtRPixel, sizeof (Pixel),
- offset(center), XtRString, XtDefaultBackground},
+ offset(pixel[PART_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},
+#ifdef XRENDER
+ {XtNrender, XtCBoolean, XtRBoolean, sizeof(Boolean),
+ offset(render), XtRImmediate, (XtPointer) TRUE },
+#endif
};
#undef offset
@@ -91,6 +101,7 @@ static XtResource resources[] = {
# define W_MIN_Y (-1.0 + EYE_OFFSET)
# define W_MAX_Y (1.0 - EYE_OFFSET)
+# define TPOINT_NONE (-1000) /* special value meaning "not yet set" */
# define TPointEqual(a, b) ((a).x == (b).x && (a).y == (b).y)
# define XPointEqual(a, b) ((a).x == (b).x && (a).y == (b).y)
@@ -115,6 +126,9 @@ static void Initialize (
XtGCMask valuemask;
XGCValues myXGCV;
int shape_event_base, shape_error_base;
+#ifdef XRENDER
+ enum EyesPart i;
+#endif
/*
* set the colors if reverse video; these are the colors used:
@@ -127,72 +141,153 @@ static void Initialize (
* border. Sigh.
*/
if (w->eyes.reverse_video) {
- Pixel fg = w->eyes.puppixel;
+ Pixel fg = w->eyes.pixel[PART_PUPIL];
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;
+ if (w->eyes.pixel[PART_OUTLINE] == fg)
+ w->eyes.pixel[PART_OUTLINE] = bg;
+ if (w->eyes.pixel[PART_CENTER] == bg)
+ w->eyes.pixel[PART_CENTER] = fg;
+ w->eyes.pixel[PART_PUPIL] = bg;
w->core.background_pixel = fg;
}
- myXGCV.foreground = w->eyes.puppixel;
+ myXGCV.foreground = w->eyes.pixel[PART_PUPIL];
myXGCV.background = w->core.background_pixel;
valuemask = GCForeground | GCBackground;
- w->eyes.pupGC = XtGetGC(gnew, valuemask, &myXGCV);
+ w->eyes.gc[PART_PUPIL] = XtGetGC(gnew, valuemask, &myXGCV);
- myXGCV.foreground = w->eyes.outline;
+ myXGCV.foreground = w->eyes.pixel[PART_OUTLINE];
valuemask = GCForeground | GCBackground;
- w->eyes.outGC = XtGetGC(gnew, valuemask, &myXGCV);
+ w->eyes.gc[PART_OUTLINE] = XtGetGC(gnew, valuemask, &myXGCV);
- myXGCV.foreground = w->eyes.center;
- myXGCV.background = w->eyes.puppixel;
+ myXGCV.foreground = w->eyes.pixel[PART_CENTER];
+ myXGCV.background = w->eyes.pixel[PART_PUPIL];
valuemask = GCForeground | GCBackground;
- w->eyes.centerGC = XtGetGC(gnew, valuemask, &myXGCV);
+ w->eyes.gc[PART_CENTER] = 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.pupil[0].x = w->eyes.pupil[1].x = TPOINT_NONE;
+ w->eyes.pupil[0].y = w->eyes.pupil[1].y = TPOINT_NONE;
- w->eyes.mouse.x = w->eyes.mouse.y = -1000;
+ w->eyes.mouse.x = w->eyes.mouse.y = TPOINT_NONE;
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 = NULL;
+ w->eyes.gc[PART_SHAPE] = NULL;
+
+#ifdef XRENDER
+ for (i = 0; i < PART_SHAPE; i ++) {
+ XColor c;
+ XRenderColor rc;
+
+ c.pixel = w->eyes.pixel[i];
+ XQueryColor(XtDisplay (w), w->core.colormap, &c);
+
+ rc.red = c.red;
+ rc.green = c.green;
+ rc.blue = c.blue;
+ rc.alpha = -1;
+ w->eyes.fill[i] = XRenderCreateSolidFill(XtDisplay (w), &rc);
+ }
+#endif
}
-static void eyeLiner (
- EyesWidget w,
- Drawable d,
- GC outgc,
- GC centergc,
- int num)
+static void
+drawEllipse(EyesWidget w, enum EyesPart part,
+ double centerx, double centery, double width, double height)
{
- 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);
+ const TRectangle tpos = {
+ centerx - width/2.0,
+ centery - height/2.0,
+ width, height };
+ TRectangle pos;
+ Trectangle(&w->eyes.t, &tpos, &pos);
+
+ if (part == PART_CLEAR) {
+ XFillRectangle(XtDisplay(w), XtWindow(w),
+ w->eyes.gc[PART_CENTER],
+ (int)pos.x, (int)pos.y,
+ (int)pos.width+2, (int)pos.height+2);
+ return;
+ }
+#ifdef XRENDER
+ if (w->eyes.render && part != PART_SHAPE && (!w->eyes.shape_window ||
+ part != PART_OUTLINE) &&
+ w->eyes.picture) {
+ int n, i;
+ double hd, c, s, sx, sy, x, y, px, py;
+ XPointDouble *p;
+
+ pos.x = pos.x + pos.width/2.0;
+ pos.y = pos.y + pos.height/2.0;
+
+ /* determine number of segments to draw */
+ hd = hypot(pos.width, pos.height)/2;
+ n = (M_PI / acos(hd/(hd+1.0))) + 0.5;
+ if (n < 2) n = 2;
+
+ c = cos(M_PI/n);
+ s = sin(M_PI/n);
+ sx = -(pos.width*s)/pos.height;
+ sy = (pos.height*s)/pos.width;
+
+ n *= 2;
+ p = Xmalloc(sizeof(*p)*n);
+ if (!p)
+ return;
+ x = 0;
+ y = pos.height/2.0;
+ for (i = 0; i < n; i ++)
+ {
+ p[i].x = x + pos.x;
+ p[i].y = y + pos.y;
+ px = x;
+ py = y;
+ x = c*px + sx*py;
+ y = c*py + sy*px;
}
+
+ XRenderCompositeDoublePoly(XtDisplay(w), PictOpOver,
+ w->eyes.fill[part], w->eyes.picture,
+ XRenderFindStandardFormat(XtDisplay(w),
+ PictStandardA8),
+ 0, 0, 0, 0, p, n, 0);
+
+ Xfree(p);
+ return;
+ }
+#endif
+ XFillArc(XtDisplay(w),
+ part == PART_SHAPE ? w->eyes.shape_mask : XtWindow(w),
+ w->eyes.gc[part],
+ (int)(pos.x + 0.5), (int)(pos.y + 0.5),
+ (int)(pos.width + 0.0), (int)(pos.height + 0.0),
+ 90*64, 360*64);
+}
+
+
+static void
+eyeLiner(EyesWidget w,
+ Boolean draw,
+ int num)
+{
+ drawEllipse(w, draw ? PART_OUTLINE : PART_SHAPE,
+ EYE_X(num), EYE_Y(num),
+ EYE_WIDTH + 2.0*EYE_THICK,
+ EYE_HEIGHT + 2.0*EYE_THICK);
+ if (draw) {
+ drawEllipse(w, PART_CENTER, EYE_X(num), EYE_Y(num),
+ EYE_WIDTH, EYE_HEIGHT);
+ }
}
static TPoint computePupil (
@@ -242,29 +337,24 @@ static void computePupils (
pupils[1] = computePupil (1, mouse);
}
-static void eyeBall (
- EyesWidget w,
- GC gc,
- int num)
+static void
+eyeBall(EyesWidget w,
+ Boolean draw,
+ 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);
+ drawEllipse(w, draw ? PART_PUPIL : PART_CLEAR,
+ w->eyes.pupil[num].x, w->eyes.pupil[num].y,
+ BALL_WIDTH, BALL_HEIGHT);
}
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);
+ eyeLiner (w, TRUE, 0);
+ eyeLiner (w, TRUE, 1);
computePupils (w->eyes.mouse, w->eyes.pupil);
- eyeBall (w, w->eyes.pupGC, 0);
- eyeBall (w, w->eyes.pupGC, 1);
+ eyeBall (w, TRUE, 0);
+ eyeBall (w, TRUE, 1);
}
}
@@ -280,10 +370,11 @@ static void draw_eye(EyesWidget w, TPoint mouse, int eye1, int eye2)
xpupil.x = Xx(newpupil[0].x, newpupil[0].y, &w->eyes.t);
xpupil.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, eye1);
+ if (w->eyes.pupil[0].x != TPOINT_NONE ||
+ w->eyes.pupil[0].y != TPOINT_NONE)
+ eyeBall (w, FALSE, eye1);
w->eyes.pupil[0] = newpupil[0];
- eyeBall (w, w->eyes.pupGC, eye1);
+ eyeBall (w, TRUE, eye1);
}
w->eyes.mouse = mouse;
@@ -298,10 +389,11 @@ static void draw_eye(EyesWidget w, TPoint mouse, int eye1, int eye2)
xpupil.x = Xx(newpupil[1].x, newpupil[1].y, &w->eyes.t);
xpupil.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, eye2);
+ if (w->eyes.pupil[1].x != TPOINT_NONE ||
+ w->eyes.pupil[1].y != TPOINT_NONE)
+ eyeBall (w, FALSE, eye2);
w->eyes.pupil[1] = newpupil[1];
- eyeBall (w, w->eyes.pupGC, eye2);
+ eyeBall (w, TRUE, eye2);
}
} else {
if (delays[w->eyes.update + 1] != 0)
@@ -347,27 +439,35 @@ static void Resize (Widget gw)
EyesWidget w = (EyesWidget) gw;
XGCValues xgcv;
Widget parent;
+ Display *dpy = XtDisplay (w);
int x, y;
if (XtIsRealized (gw))
{
- XClearWindow (XtDisplay (w), XtWindow (w));
+ XClearWindow (dpy, 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);
+#ifdef XRENDER
+ if (w->eyes.picture) {
+ XRenderFreePicture(dpy, w->eyes.picture);
+ w->eyes.picture = 0;
+ }
+#endif
if (w->eyes.shape_window) {
- w->eyes.shape_mask = XCreatePixmap (XtDisplay (w), XtWindow (w),
+ w->eyes.shape_mask = XCreatePixmap (dpy, 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);
+ if (!w->eyes.gc[PART_SHAPE])
+ w->eyes.gc[PART_SHAPE] = XCreateGC (dpy, w->eyes.shape_mask,
+ 0, &xgcv);
+ XSetForeground (dpy, w->eyes.gc[PART_SHAPE], 0);
+ XFillRectangle (dpy, w->eyes.shape_mask, w->eyes.gc[PART_SHAPE],
+ 0, 0, w->core.width, w->core.height);
+ XSetForeground (dpy, w->eyes.gc[PART_SHAPE], 1);
+ eyeLiner (w, FALSE, 0);
+ eyeLiner (w, FALSE, 1);
x = y = 0;
for (parent = (Widget) w; XtParent (parent); parent = XtParent (parent)) {
x += parent->core.x + parent->core.border_width;
@@ -375,8 +475,19 @@ static void Resize (Widget gw)
}
XShapeCombineMask (XtDisplay (parent), XtWindow (parent), ShapeBounding,
x, y, w->eyes.shape_mask, ShapeSet);
- XFreePixmap (XtDisplay (w), w->eyes.shape_mask);
+ XFreePixmap (dpy, w->eyes.shape_mask);
}
+#ifdef XRENDER
+ if (w->eyes.render) {
+ XRenderPictureAttributes pa;
+ XRenderPictFormat *pf;
+ pf = XRenderFindVisualFormat(dpy,
+ DefaultVisualOfScreen(w->core.screen));
+ if (pf)
+ w->eyes.picture = XRenderCreatePicture(dpy, XtWindow (w),
+ pf, 0, &pa);
+ }
+#endif
}
}
@@ -402,12 +513,16 @@ static void Realize (
static void Destroy (Widget gw)
{
EyesWidget w = (EyesWidget)gw;
+ int i;
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);
+ for (i = 0; i < PART_MAX; i ++)
+ XtReleaseGC(gw, w->eyes.gc[i]);
+#ifdef XRENDER
+ if (w->eyes.picture)
+ XRenderFreePicture (XtDisplay(w), w->eyes.picture);
+#endif
}
/* ARGSUSED */
@@ -419,10 +534,10 @@ static void Redisplay(
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;
+ w->eyes.pupil[0].x = TPOINT_NONE;
+ w->eyes.pupil[0].y = TPOINT_NONE;
+ w->eyes.pupil[1].x = TPOINT_NONE;
+ w->eyes.pupil[1].y = TPOINT_NONE;
(void) repaint_window ((EyesWidget)gw);
}
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