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-rw-r--r--generic/Reticle.c280
1 files changed, 140 insertions, 140 deletions
diff --git a/generic/Reticle.c b/generic/Reticle.c
index 3011f5d..844fcc7 100644
--- a/generic/Reticle.c
+++ b/generic/Reticle.c
@@ -1,8 +1,8 @@
/*
* Reticle.c -- Implementation of Reticle item.
*
- * Authors : Patrick Lecoanet.
- * Creation date : Mon Feb 1 12:13:24 1999
+ * Authors : Patrick Lecoanet.
+ * Creation date : Mon Feb 1 12:13:24 1999
*
* $Id$
*/
@@ -43,13 +43,13 @@ static const char compile_id[]="$Compile: " __FILE__ " " __DATE__ " " __TIME__ "
/*
* Draw as many circles as visible.
*/
-#define ANY_CIRCLES -1
+#define ANY_CIRCLES -1
/*
* Some default values.
*/
-#define DEFAULT_RETICLE_STEP_SIZE 80
-#define DEFAULT_RETICLE_PERIOD 5
+#define DEFAULT_RETICLE_STEP_SIZE 80
+#define DEFAULT_RETICLE_PERIOD 5
/*
**********************************************************************************
@@ -60,27 +60,27 @@ static const char compile_id[]="$Compile: " __FILE__ " " __DATE__ " " __TIME__ "
*/
typedef struct _ReticleItemStruct {
- ZnItemStruct header;
+ ZnItemStruct header;
/* Public data */
- ZnPoint pos; /* Origin world coordinates */
- ZnGradient *line_color; /* circle color */
- ZnGradient *bright_line_color; /* intermediate circle color */
- ZnDim first_radius; /* first world radius */
- ZnDim step_size; /* step world size */
- int period; /* bright circle period */
- int num_circles; /* num cercles max */
- ZnLineStyle line_style; /* circles lines styles */
- ZnLineStyle bright_line_style;
+ ZnPoint pos; /* Origin world coordinates */
+ ZnGradient *line_color; /* circle color */
+ ZnGradient *bright_line_color; /* intermediate circle color */
+ ZnDim first_radius; /* first world radius */
+ ZnDim step_size; /* step world size */
+ int period; /* bright circle period */
+ int num_circles; /* num cercles max */
+ ZnLineStyle line_style; /* circles lines styles */
+ ZnLineStyle bright_line_style;
/* Private data */
- ZnPoint dev; /* item device coordinate */
- ZnDim first_radius_dev; /* first device radius */
- ZnDim step_size_dev; /* steps device size */
+ ZnPoint dev; /* item device coordinate */
+ ZnDim first_radius_dev; /* first device radius */
+ ZnDim step_size_dev; /* steps device size */
} ReticleItemStruct, *ReticleItem;
-static ZnAttrConfig reticle_attrs[] = {
+static ZnAttrConfig reticle_attrs[] = {
{ ZN_CONFIG_GRADIENT, "-brightlinecolor", NULL,
Tk_Offset(ReticleItemStruct, bright_line_color), 0, ZN_DRAW_FLAG, False },
{ ZN_CONFIG_LINE_STYLE, "-brightlinestyle", NULL,
@@ -136,12 +136,12 @@ static ZnAttrConfig reticle_attrs[] = {
**********************************************************************************
*/
static int
-Init(ZnItem item,
- int *argc,
- Tcl_Obj *CONST *args[])
+Init(ZnItem item,
+ int *argc,
+ Tcl_Obj *CONST *args[])
{
- ReticleItem reticle = (ReticleItem) item;
- ZnWInfo *wi = item->wi;
+ ReticleItem reticle = (ReticleItem) item;
+ ZnWInfo *wi = item->wi;
SET(item->flags, ZN_VISIBLE_BIT);
CLEAR(item->flags, ZN_SENSITIVE_BIT);
@@ -177,9 +177,9 @@ Init(ZnItem item,
**********************************************************************************
*/
static void
-Clone(ZnItem item)
+Clone(ZnItem item)
{
- ReticleItem reticle = (ReticleItem) item;
+ ReticleItem reticle = (ReticleItem) item;
reticle->line_color = ZnGetGradientByValue(reticle->line_color);
reticle->bright_line_color = ZnGetGradientByValue(reticle->bright_line_color);
@@ -194,9 +194,9 @@ Clone(ZnItem item)
**********************************************************************************
*/
static void
-Destroy(ZnItem item)
+Destroy(ZnItem item)
{
- ReticleItem reticle = (ReticleItem) item;
+ ReticleItem reticle = (ReticleItem) item;
ZnFreeGradient(reticle->line_color);
ZnFreeGradient(reticle->bright_line_color);
@@ -211,13 +211,13 @@ Destroy(ZnItem item)
**********************************************************************************
*/
static int
-Configure(ZnItem item,
- int argc,
- Tcl_Obj *CONST argv[],
- int *flags)
+Configure(ZnItem item,
+ int argc,
+ Tcl_Obj *CONST argv[],
+ int *flags)
{
if (ZnConfigureAttributes(item->wi, item, item, reticle_attrs,
- argc, argv, flags) == TCL_ERROR) {
+ argc, argv, flags) == TCL_ERROR) {
return TCL_ERROR;
}
@@ -233,9 +233,9 @@ Configure(ZnItem item,
**********************************************************************************
*/
static int
-Query(ZnItem item,
- int argc,
- Tcl_Obj *CONST argv[])
+Query(ZnItem item,
+ int argc,
+ Tcl_Obj *CONST argv[])
{
if (ZnQueryAttribute(item->wi->interp, item, reticle_attrs, argv[0]) == TCL_ERROR) {
return TCL_ERROR;
@@ -253,13 +253,13 @@ Query(ZnItem item,
**********************************************************************************
*/
static void
-ComputeCoordinates(ZnItem item,
- ZnBool force)
+ComputeCoordinates(ZnItem item,
+ ZnBool force)
{
- ZnWInfo *wi = item->wi;
- ReticleItem reticle = (ReticleItem) item;
- ZnDim half_width;
- ZnPoint p, xp;
+ ZnWInfo *wi = item->wi;
+ ReticleItem reticle = (ReticleItem) item;
+ ZnDim half_width;
+ ZnPoint p, xp;
/* Compute center device coordinates */
p.x = p.y = 0;
@@ -299,14 +299,14 @@ ComputeCoordinates(ZnItem item,
**********************************************************************************
*
* ToArea --
- * Tell if the object is entirely outside (-1),
- * entirely inside (1) or in between (0).
+ * Tell if the object is entirely outside (-1),
+ * entirely inside (1) or in between (0).
*
**********************************************************************************
*/
static int
-ToArea(ZnItem item,
- ZnToArea ta)
+ToArea(ZnItem item,
+ ZnToArea ta)
{
return -1;
}
@@ -320,31 +320,31 @@ ToArea(ZnItem item,
**********************************************************************************
*/
static void
-Draw(ZnItem item)
+Draw(ZnItem item)
{
- ZnWInfo *wi = item->wi;
- ReticleItem reticle = (ReticleItem) item;
- ZnDim radius = reticle->first_radius_dev;
- ZnDim radius_max_dev;
- XGCValues values;
- int i;
- ZnDim l1, l2, l3, l4;
-/* int count = 0;*/
+ ZnWInfo *wi = item->wi;
+ ReticleItem reticle = (ReticleItem) item;
+ ZnDim radius = reticle->first_radius_dev;
+ ZnDim radius_max_dev;
+ XGCValues values;
+ int i;
+ ZnDim l1, l2, l3, l4;
+/* int count = 0;*/
/* Compute radius max */
l1 = (ZnDim) hypot(wi->damaged_area.orig.x - reticle->dev.x,
- wi->damaged_area.orig.y - reticle->dev.y);
+ wi->damaged_area.orig.y - reticle->dev.y);
l2 = (ZnDim) hypot(wi->damaged_area.corner.x - reticle->dev.x,
- wi->damaged_area.orig.y - reticle->dev.y);
+ wi->damaged_area.orig.y - reticle->dev.y);
l3 = (ZnDim) hypot(wi->damaged_area.orig.x - reticle->dev.x,
- wi->damaged_area.corner.y - reticle->dev.y);
+ wi->damaged_area.corner.y - reticle->dev.y);
l4 = (ZnDim) hypot(wi->damaged_area.corner.x - reticle->dev.x,
- wi->damaged_area.corner.y - reticle->dev.y);
+ wi->damaged_area.corner.y - reticle->dev.y);
radius_max_dev = MAX(MAX(l1,l2), MAX(l3, l4));
if (reticle->num_circles > 0) {
radius_max_dev = MIN(radius_max_dev, reticle->first_radius_dev +
- (reticle->num_circles - 1) * reticle->step_size_dev);
+ (reticle->num_circles - 1) * reticle->step_size_dev);
}
while (radius <= radius_max_dev) {
@@ -355,35 +355,35 @@ Draw(ZnItem item)
XChangeGC(wi->dpy, wi->gc, GCForeground | GCLineWidth | GCFillStyle, &values);
for (i = 1; ((radius <= radius_max_dev) && (i < reticle->period)); i++) {
if ((reticle->dev.x >= wi->damaged_area.orig.x - radius) &&
- (reticle->dev.x <= wi->damaged_area.corner.x + radius) &&
- (reticle->dev.y >= wi->damaged_area.orig.y - radius) &&
- (reticle->dev.y <= wi->damaged_area.corner.y + radius)) {
- XDrawArc(wi->dpy, wi->draw_buffer, wi->gc,
- (int) (reticle->dev.x - radius),
- (int) (reticle->dev.y - radius),
- (unsigned int) (radius * 2 - 1),
- (unsigned int) (radius * 2 - 1),
- 0, 360 * 64);
-/* count++;*/
+ (reticle->dev.x <= wi->damaged_area.corner.x + radius) &&
+ (reticle->dev.y >= wi->damaged_area.orig.y - radius) &&
+ (reticle->dev.y <= wi->damaged_area.corner.y + radius)) {
+ XDrawArc(wi->dpy, wi->draw_buffer, wi->gc,
+ (int) (reticle->dev.x - radius),
+ (int) (reticle->dev.y - radius),
+ (unsigned int) (radius * 2 - 1),
+ (unsigned int) (radius * 2 - 1),
+ 0, 360 * 64);
+/* count++;*/
}
radius += (reticle->step_size_dev);
}
if ((radius <= radius_max_dev) &&
- (reticle->dev.x >= wi->damaged_area.orig.x - radius) &&
- (reticle->dev.x <= wi->damaged_area.corner.x + radius) &&
- (reticle->dev.y >= wi->damaged_area.orig.y - radius) &&
- (reticle->dev.y <= wi->damaged_area.corner.y + radius)) {
+ (reticle->dev.x >= wi->damaged_area.orig.x - radius) &&
+ (reticle->dev.x <= wi->damaged_area.corner.x + radius) &&
+ (reticle->dev.y >= wi->damaged_area.orig.y - radius) &&
+ (reticle->dev.y <= wi->damaged_area.corner.y + radius)) {
ZnSetLineStyle(wi, reticle->bright_line_style);
values.foreground = ZnGetGradientPixel(reticle->bright_line_color, 0.0);
values.line_width = 0;
values.fill_style = FillSolid;
XChangeGC(wi->dpy, wi->gc, GCForeground | GCLineWidth | GCFillStyle, &values);
XDrawArc(wi->dpy, wi->draw_buffer, wi->gc,
- (int) (reticle->dev.x - radius),
- (int) (reticle->dev.y - radius),
- (unsigned int) (radius * 2 - 1),
- (unsigned int) (radius * 2 - 1),
- 0, 360 * 64);
+ (int) (reticle->dev.x - radius),
+ (int) (reticle->dev.y - radius),
+ (unsigned int) (radius * 2 - 1),
+ (unsigned int) (radius * 2 - 1),
+ 0, 360 * 64);
/*count++;*/
}
radius += (reticle->step_size_dev);
@@ -401,17 +401,17 @@ Draw(ZnItem item)
*/
#ifdef GL
static void
-Render(ZnItem item)
+Render(ZnItem item)
{
- ZnWInfo *wi = item->wi;
- ReticleItem reticle = (ReticleItem) item;
- ZnDim radius = reticle->first_radius_dev;
- ZnDim radius_max_dev, new, x, y, xo, yo;
- int i, j;
- ZnPoint *genarc;
- int num_p;
+ ZnWInfo *wi = item->wi;
+ ReticleItem reticle = (ReticleItem) item;
+ ZnDim radius = reticle->first_radius_dev;
+ ZnDim radius_max_dev, new, x, y, xo, yo;
+ int i, j;
+ ZnPoint *genarc;
+ int num_p;
unsigned short alpha;
- XColor *color;
+ XColor *color;
xo = reticle->dev.x;
yo = reticle->dev.y;
@@ -445,7 +445,7 @@ Render(ZnItem item)
if (reticle->num_circles > 0) {
radius_max_dev = MIN(radius_max_dev, reticle->first_radius_dev +
- (reticle->num_circles - 1) * reticle->step_size_dev);
+ (reticle->num_circles - 1) * reticle->step_size_dev);
}
genarc = ZnGetCirclePoints(3, ZN_CIRCLE_FINER, 0.0, 2*M_PI, &num_p, NULL);
@@ -457,33 +457,33 @@ Render(ZnItem item)
glColor4us(color->red, color->green, color->blue, alpha);
for (i = 1; ((radius <= radius_max_dev) && (i < reticle->period)); i++) {
if ((xo >= wi->damaged_area.orig.x - radius) &&
- (xo <= wi->damaged_area.corner.x + radius) &&
- (yo >= wi->damaged_area.orig.y - radius) &&
- (yo <= wi->damaged_area.corner.y + radius)) {
- glBegin(GL_LINE_LOOP);
- for (j = 0; j < num_p; j++) {
- x = xo + genarc[j].x * radius;
- y = yo + genarc[j].y * radius;
- glVertex2d(x, y);
- }
- glEnd();
+ (xo <= wi->damaged_area.corner.x + radius) &&
+ (yo >= wi->damaged_area.orig.y - radius) &&
+ (yo <= wi->damaged_area.corner.y + radius)) {
+ glBegin(GL_LINE_LOOP);
+ for (j = 0; j < num_p; j++) {
+ x = xo + genarc[j].x * radius;
+ y = yo + genarc[j].y * radius;
+ glVertex2d(x, y);
+ }
+ glEnd();
}
radius += (reticle->step_size_dev);
}
if ((radius <= radius_max_dev) &&
- (xo >= wi->damaged_area.orig.x - radius) &&
- (xo <= wi->damaged_area.corner.x + radius) &&
- (yo >= wi->damaged_area.orig.y - radius) &&
- (yo <= wi->damaged_area.corner.y + radius)) {
+ (xo >= wi->damaged_area.orig.x - radius) &&
+ (xo <= wi->damaged_area.corner.x + radius) &&
+ (yo >= wi->damaged_area.orig.y - radius) &&
+ (yo <= wi->damaged_area.corner.y + radius)) {
ZnSetLineStyle(wi, reticle->bright_line_style);
color = ZnGetGradientColor(reticle->bright_line_color, 0.0, &alpha);
alpha = ZnComposeAlpha(alpha, wi->alpha);
glColor4us(color->red, color->green, color->blue, alpha);
glBegin(GL_LINE_LOOP);
for (j = 0; j < num_p; j++) {
- x = xo + genarc[j].x * radius;
- y = yo + genarc[j].y * radius;
- glVertex2d(x, y);
+ x = xo + genarc[j].x * radius;
+ y = yo + genarc[j].y * radius;
+ glVertex2d(x, y);
}
glEnd();
}
@@ -493,7 +493,7 @@ Render(ZnItem item)
}
#else
static void
-Render(ZnItem item)
+Render(ZnItem item)
{
}
#endif
@@ -507,11 +507,11 @@ Render(ZnItem item)
**********************************************************************************
*/
static ZnBool
-IsSensitive(ZnItem item,
- int item_part)
+IsSensitive(ZnItem item,
+ int item_part)
{
return (ISSET(item->flags, ZN_SENSITIVE_BIT) &&
- item->parent->class->IsSensitive(item->parent, ZN_NO_PART));
+ item->parent->class->IsSensitive(item->parent, ZN_NO_PART));
}
@@ -519,13 +519,13 @@ IsSensitive(ZnItem item,
**********************************************************************************
*
* Pick --
- * Nothing to pick, we are almost transparent.
+ * Nothing to pick, we are almost transparent.
*
**********************************************************************************
*/
static double
-Pick(ZnItem item,
- ZnPick ps)
+Pick(ZnItem item,
+ ZnPick ps)
{
return 1e40;
}
@@ -535,30 +535,30 @@ Pick(ZnItem item,
**********************************************************************************
*
* Coords --
- * Return or edit the item center.
+ * Return or edit the item center.
*
**********************************************************************************
*/
static int
-Coords(ZnItem item,
- int contour,
- int index,
- int cmd,
- ZnPoint **pts,
- char **controls,
- unsigned int *num_pts)
+Coords(ZnItem item,
+ int contour,
+ int index,
+ int cmd,
+ ZnPoint **pts,
+ char **controls,
+ unsigned int *num_pts)
{
- ReticleItem reticle = (ReticleItem) item;
+ ReticleItem reticle = (ReticleItem) item;
if ((cmd == ZN_COORDS_ADD) || (cmd == ZN_COORDS_ADD_LAST) || (cmd == ZN_COORDS_REMOVE)) {
Tcl_AppendResult(item->wi->interp,
- " reticles can't add or remove vertices", NULL);
+ " reticles can't add or remove vertices", NULL);
return TCL_ERROR;
}
else if ((cmd == ZN_COORDS_REPLACE) || (cmd == ZN_COORDS_REPLACE_ALL)) {
if (*num_pts == 0) {
Tcl_AppendResult(item->wi->interp,
- " coords command need 1 point on reticles", NULL);
+ " coords command need 1 point on reticles", NULL);
return TCL_ERROR;
}
reticle->pos = (*pts)[0];
@@ -580,8 +580,8 @@ Coords(ZnItem item,
**********************************************************************************
*/
static void
-PostScript(ZnItem item,
- ZnBool prepass)
+PostScript(ZnItem item,
+ ZnBool prepass)
{
}
@@ -597,33 +597,33 @@ static ZnItemClassStruct RETICLE_ITEM_CLASS = {
"reticle",
sizeof(ReticleItemStruct),
reticle_attrs,
- 0, /* num_parts */
- ZN_CLASS_ONE_COORD, /* flags */
+ 0, /* num_parts */
+ ZN_CLASS_ONE_COORD, /* flags */
Tk_Offset(ReticleItemStruct, pos),
Init,
Clone,
Destroy,
Configure,
Query,
- NULL, /* GetFieldSet */
- NULL, /* GetAnchor */
- NULL, /* GetClipVertices */
- NULL, /* GetContours */
+ NULL, /* GetFieldSet */
+ NULL, /* GetAnchor */
+ NULL, /* GetClipVertices */
+ NULL, /* GetContours */
Coords,
- NULL, /* InsertChars */
- NULL, /* DeleteChars */
- NULL, /* Cursor */
- NULL, /* Index */
- NULL, /* Part */
- NULL, /* Selection */
- NULL, /* Contour */
+ NULL, /* InsertChars */
+ NULL, /* DeleteChars */
+ NULL, /* Cursor */
+ NULL, /* Index */
+ NULL, /* Part */
+ NULL, /* Selection */
+ NULL, /* Contour */
ComputeCoordinates,
ToArea,
Draw,
Render,
IsSensitive,
Pick,
- NULL, /* PickVertex */
+ NULL, /* PickVertex */
PostScript
};
generated by cgit v1.1 at 2024-07-01 11:25:54 +0000