Commit ac327963 authored by Michael Natterer's avatar Michael Natterer Committed by Michael Natterer

Bug 547270 – Make GtkHSV public

2008-08-11  Michael Natterer  <mitch@imendio.com>

	Bug 547270 – Make GtkHSV public

	* gtk/Makefile.am
	* gtk/gtk.h: install gtkhsv.h as public header (its symbols were
	always public anyway).

	* gtk/gtkhsv.h: add single-include guards, add class struct padding,
	seal the instance member, cleanup.

	* gtk/gtkhsv.c: center the widget in its allocation,
	add "Since: 2.14", cleanup.


svn path=/trunk/; revision=21078
parent 7dbf5807
2008-08-11 Michael Natterer <mitch@imendio.com>
Bug 547270 – Make GtkHSV public
* gtk/Makefile.am
* gtk/gtk.h: install gtkhsv.h as public header (its symbols were
always public anyway).
* gtk/gtkhsv.h: add single-include guards, add class struct padding,
seal the instance member, cleanup.
* gtk/gtkhsv.c: center the widget in its allocation,
add "Since: 2.14", cleanup.
2008-08-11 Torsten Schoenfeld <kaffeetisch@gmx.de>
* gtk/gtkcalendar.h: Fix the Since: tag of GtkCalendarDetailFunc
......
......@@ -212,6 +212,7 @@ gtk_public_h_sources = \
gtkhscale.h \
gtkhscrollbar.h \
gtkhseparator.h \
gtkhsv.h \
gtkiconfactory.h \
gtkicontheme.h \
gtkiconview.h \
......@@ -354,7 +355,6 @@ gtk_private_h_sources = \
gtkfilechooserutils.h \
gtkfilesystem.h \
gtkfilesystemmodel.h \
gtkhsv.h \
gtkiconcache.h \
gtkintl.h \
gtkkeyhash.h \
......
......@@ -100,6 +100,7 @@
#include <gtk/gtkhscale.h>
#include <gtk/gtkhscrollbar.h>
#include <gtk/gtkhseparator.h>
#include <gtk/gtkhsv.h>
#include <gtk/gtkiconfactory.h>
#include <gtk/gtkicontheme.h>
#include <gtk/gtkiconview.h>
......
......@@ -22,24 +22,26 @@
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include <math.h>
#include <string.h>
#include "gtkhsv.h"
#include "gdk/gdkkeysyms.h"
#include "gtkhsv.h"
#include "gtkbindings.h"
#include "gtkcontainer.h"
#include "gtkmarshalers.h"
#include "gtkintl.h"
#include "gtkalias.h"
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
/* Default width/height */
#define DEFAULT_SIZE 100
......@@ -537,23 +539,25 @@ compute_triangle (GtkHSV *hsv,
gint *vy)
{
HSVPrivate *priv;
gdouble center;
gdouble center_x;
gdouble center_y;
gdouble inner, outer;
gdouble angle;
priv = hsv->priv;
center = GTK_WIDGET (hsv)->requisition.width / 2.0;
center_x = GTK_WIDGET (hsv)->allocation.width / 2.0;
center_y = GTK_WIDGET (hsv)->allocation.height / 2.0;
outer = priv->size / 2.0;
inner = outer - priv->ring_width;
angle = priv->h * 2.0 * G_PI;
*hx = floor (center + cos (angle) * inner + 0.5);
*hy = floor (center - sin (angle) * inner + 0.5);
*sx = floor (center + cos (angle + 2.0 * G_PI / 3.0) * inner + 0.5);
*sy = floor (center - sin (angle + 2.0 * G_PI / 3.0) * inner + 0.5);
*vx = floor (center + cos (angle + 4.0 * G_PI / 3.0) * inner + 0.5);
*vy = floor (center - sin (angle + 4.0 * G_PI / 3.0) * inner + 0.5);
*hx = floor (center_x + cos (angle) * inner + 0.5);
*hy = floor (center_y - sin (angle) * inner + 0.5);
*sx = floor (center_x + cos (angle + 2.0 * G_PI / 3.0) * inner + 0.5);
*sy = floor (center_y - sin (angle + 2.0 * G_PI / 3.0) * inner + 0.5);
*vx = floor (center_x + cos (angle + 4.0 * G_PI / 3.0) * inner + 0.5);
*vy = floor (center_y - sin (angle + 4.0 * G_PI / 3.0) * inner + 0.5);
}
/* Computes whether a point is inside the hue ring */
......@@ -564,18 +568,21 @@ is_in_ring (GtkHSV *hsv,
{
HSVPrivate *priv;
gdouble dx, dy, dist;
gdouble center, inner, outer;
gdouble center_x;
gdouble center_y;
gdouble inner, outer;
priv = hsv->priv;
center = priv->size / 2.0;
center_x = GTK_WIDGET (hsv)->allocation.width / 2.0;
center_y = GTK_WIDGET (hsv)->allocation.height / 2.0;
outer = priv->size / 2.0;
inner = outer - priv->ring_width;
dx = x - center;
dy = center - y;
dx = x - center_x;
dy = center_y - y;
dist = dx * dx + dy * dy;
return (dist >= inner * inner && dist <= outer * outer);
}
......@@ -589,18 +596,20 @@ compute_sv (GtkHSV *hsv,
{
int ihx, ihy, isx, isy, ivx, ivy;
double hx, hy, sx, sy, vx, vy;
double center;
double center_x;
double center_y;
compute_triangle (hsv, &ihx, &ihy, &isx, &isy, &ivx, &ivy);
center = GTK_WIDGET (hsv)->requisition.width / 2.0;
hx = ihx - center;
hy = center - ihy;
sx = isx - center;
sy = center - isy;
vx = ivx - center;
vy = center - ivy;
x -= center;
y = center - y;
center_x = GTK_WIDGET (hsv)->allocation.width / 2.0;
center_y = GTK_WIDGET (hsv)->allocation.height / 2.0;
hx = ihx - center_x;
hy = center_y - ihy;
sx = isx - center_x;
sy = center_y - isy;
vx = ivx - center_x;
vy = center_y - ivy;
x -= center_x;
y = center_y - y;
if (vx * (x - sx) + vy * (y - sy) < 0.0)
{
......@@ -688,18 +697,20 @@ compute_v (GtkHSV *hsv,
gdouble x,
gdouble y)
{
double center;
double center_x;
double center_y;
double dx, dy;
double angle;
center = GTK_WIDGET (hsv)->requisition.width / 2.0;
dx = x - center;
dy = center - y;
center_x = GTK_WIDGET (hsv)->allocation.width / 2.0;
center_y = GTK_WIDGET (hsv)->allocation.height / 2.0;
dx = x - center_x;
dy = center_y - y;
angle = atan2 (dy, dx);
if (angle < 0.0)
angle += 2.0 * G_PI;
return angle / (2.0 * G_PI);
}
......@@ -889,7 +900,8 @@ paint_ring (GtkHSV *hsv,
HSVPrivate *priv;
int xx, yy;
gdouble dx, dy, dist;
gdouble center;
gdouble center_x;
gdouble center_y;
gdouble inner, outer;
guint32 *buf, *p;
gdouble angle;
......@@ -907,9 +919,10 @@ paint_ring (GtkHSV *hsv,
NULL);
priv = hsv->priv;
center = widget->requisition.width / 2.0;
center_x = widget->allocation.width / 2.0;
center_y = widget->allocation.height / 2.0;
outer = priv->size / 2.0;
inner = outer - priv->ring_width;
......@@ -922,11 +935,11 @@ paint_ring (GtkHSV *hsv,
{
p = buf + yy * width;
dy = -(yy + y - center);
dy = -(yy + y - center_y);
for (xx = 0; xx < width; xx++)
{
dx = xx + x - center;
dx = xx + x - center_x;
dist = dx * dx + dy * dy;
if (dist < ((inner-1) * (inner-1)) || dist > ((outer+1) * (outer+1)))
......@@ -971,10 +984,10 @@ paint_ring (GtkHSV *hsv,
else
cairo_set_source_rgb (source_cr, 1., 1., 1.);
cairo_move_to (source_cr, -x + center, - y + center);
cairo_move_to (source_cr, -x + center_x, - y + center_y);
cairo_line_to (source_cr,
-x + center + cos (priv->h * 2.0 * G_PI) * center,
-y + center - sin (priv->h * 2.0 * G_PI) * center);
-x + center_x + cos (priv->h * 2.0 * G_PI) * priv->size / 2,
-y + center_y - sin (priv->h * 2.0 * G_PI) * priv->size / 2);
cairo_stroke (source_cr);
cairo_destroy (source_cr);
......@@ -988,7 +1001,7 @@ paint_ring (GtkHSV *hsv,
cairo_set_line_width (cr, priv->ring_width);
cairo_new_path (cr);
cairo_arc (cr,
center, center,
center_x, center_y,
priv->size / 2. - priv->ring_width / 2.,
0, 2 * G_PI);
cairo_stroke (cr);
......@@ -1357,6 +1370,8 @@ gtk_hsv_focus (GtkWidget *widget,
* Creates a new HSV color selector.
*
* Return value: A newly-created HSV color selector.
*
* Since: 2.14
**/
GtkWidget*
gtk_hsv_new (void)
......@@ -1373,6 +1388,8 @@ gtk_hsv_new (void)
*
* Sets the current color in an HSV color selector. Color component values must
* be in the [0.0, 1.0] range.
*
* Since: 2.14
**/
void
gtk_hsv_set_color (GtkHSV *hsv,
......@@ -1407,9 +1424,14 @@ gtk_hsv_set_color (GtkHSV *hsv,
*
* Queries the current color in an HSV color selector. Returned values will be
* in the [0.0, 1.0] range.
*
* Since: 2.14
**/
void
gtk_hsv_get_color (GtkHSV *hsv, double *h, double *s, double *v)
gtk_hsv_get_color (GtkHSV *hsv,
double *h,
double *s,
double *v)
{
HSVPrivate *priv;
......@@ -1434,6 +1456,8 @@ gtk_hsv_get_color (GtkHSV *hsv, double *h, double *s, double *v)
* @ring_width: Width of the hue ring.
*
* Sets the size and ring width of an HSV color selector.
*
* Since: 2.14
**/
void
gtk_hsv_set_metrics (GtkHSV *hsv,
......@@ -1468,6 +1492,8 @@ gtk_hsv_set_metrics (GtkHSV *hsv,
* @ring_width: Return value for the width of the hue ring.
*
* Queries the size and ring width of an HSV color selector.
*
* Since: 2.14
**/
void
gtk_hsv_get_metrics (GtkHSV *hsv,
......@@ -1499,6 +1525,8 @@ gtk_hsv_get_metrics (GtkHSV *hsv,
* Return value: TRUE if clients can ignore changes to the color value, since
* they may be transitory, or FALSE if they should consider the color value
* status to be final.
*
* Since: 2.14
**/
gboolean
gtk_hsv_is_adjusting (GtkHSV *hsv)
......@@ -1520,9 +1548,11 @@ gtk_hsv_is_adjusting (GtkHSV *hsv)
* @r: Return value for the red component.
* @g: Return value for the green component.
* @b: Return value for the blue component.
*
*
* Converts a color from HSV space to RGB. Input values must be in the
* [0.0, 1.0] range; output values will be in the same range.
*
* Since: 2.14
**/
void
gtk_hsv_to_rgb (gdouble h,
......@@ -1556,9 +1586,11 @@ gtk_hsv_to_rgb (gdouble h,
* @h: Return value for the hue component.
* @s: Return value for the saturation component.
* @v: Return value for the value component.
*
*
* Converts a color from RGB space to HSV. Input values must be in the
* [0.0, 1.0] range; output values will be in the same range.
*
* Since: 2.14
**/
void
gtk_rgb_to_hsv (gdouble r,
......
......@@ -21,8 +21,6 @@
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GTK_HSV_H__
#define __GTK_HSV_H__
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
......@@ -31,9 +29,16 @@
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include <gtk/gtkcontainer.h>
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_HSV_H__
#define __GTK_HSV_H__
#include <gtk/gtkwidget.h>
G_BEGIN_DECLS
G_BEGIN_DECLS
#define GTK_TYPE_HSV (gtk_hsv_get_type ())
#define GTK_HSV(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_HSV, GtkHSV))
......@@ -49,22 +54,27 @@ typedef struct _GtkHSVClass GtkHSVClass;
struct _GtkHSV
{
GtkWidget parent_instance;
/* Private data */
gpointer priv;
gpointer GSEAL (priv);
};
struct _GtkHSVClass
{
GtkWidgetClass parent_class;
/* Notification signals */
void (*changed) (GtkHSV *hsv);
void (* changed) (GtkHSV *hsv);
/* Keybindings */
void (* move) (GtkHSV *hsv,
GtkDirectionType type);
void (* move) (GtkHSV *hsv,
GtkDirectionType type);
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
......@@ -85,6 +95,8 @@ void gtk_hsv_get_metrics (GtkHSV *hsv,
gint *size,
gint *ring_width);
gboolean gtk_hsv_is_adjusting (GtkHSV *hsv);
/* Convert colors between the RGB and HSV color spaces */
void gtk_hsv_to_rgb (gdouble h,
gdouble s,
gdouble v,
......@@ -98,7 +110,6 @@ void gtk_rgb_to_hsv (gdouble r,
gdouble *s,
gdouble *v);
G_END_DECLS
#endif /* __GTK_HSV_H__ */
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