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cleanup, proper prototypes, ... 

2000-12-28  Michael Natterer  <mitch@gimp.org>

	* app/measure.c: cleanup, proper prototypes, ...
This commit is contained in:
Michael Natterer 2000-12-27 23:25:51 +00:00 committed by Michael Natterer
parent b45bde77da
commit f8769ee5e2
4 changed files with 346 additions and 252 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2000-12-28 Michael Natterer <mitch@gimp.org>
* app/measure.c: cleanup, proper prototypes, ...
2000-12-27 Michael Natterer <mitch@gimp.org>
* plug-ins/common/csource.c: the size of the string holding the

198
app/measure.c
View File

@ -35,6 +35,7 @@
#include "libgimp/gimpintl.h"
#include "libgimp/gimpmath.h"
/* definitions */
#define TARGET 8
#define ARC_RADIUS 30
@ -89,19 +90,30 @@ struct _MeasureOptions
static MeasureOptions *measure_tool_options = NULL;
/* the measure tool info window */
static InfoDialog *measure_tool_info = NULL;
static gchar distance_buf [MAX_INFO_BUF];
static gchar angle_buf [MAX_INFO_BUF];
static InfoDialog *measure_tool_info = NULL;
static gchar distance_buf[MAX_INFO_BUF];
static gchar angle_buf[MAX_INFO_BUF];
/* local function prototypes */
static void measure_tool_button_press (Tool *, GdkEventButton *, gpointer);
static void measure_tool_button_release (Tool *, GdkEventButton *, gpointer);
static void measure_tool_motion (Tool *, GdkEventMotion *, gpointer);
static void measure_tool_cursor_update (Tool *, GdkEventMotion *, gpointer);
static void measure_tool_control (Tool *, ToolAction, gpointer);
static void measure_tool_button_press (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr);
static void measure_tool_button_release (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr);
static void measure_tool_motion (Tool *tool,
GdkEventMotion *mevent,
gpointer gdisp_ptr);
static void measure_tool_cursor_update (Tool *tool,
GdkEventMotion *mevent,
gpointer gdisp_ptr);
static void measure_tool_control (Tool *tool,
ToolAction action,
gpointer gdisp_ptr);
static void measure_tool_info_window_close_callback (GtkWidget *, gpointer);
static void measure_tool_info_window_close_callback (GtkWidget *widget,
gpointer data);
static void measure_tool_info_update (void);
@ -118,7 +130,7 @@ static MeasureOptions *
measure_tool_options_new (void)
{
MeasureOptions *options;
GtkWidget *vbox;
GtkWidget *vbox;
/* the new measure tool options structure */
options = g_new (MeasureOptions, 1);
@ -144,7 +156,7 @@ measure_tool_options_new (void)
return options;
}
static double
static gdouble
measure_get_angle (gint dx,
gint dy,
gdouble xres,
@ -153,12 +165,13 @@ measure_get_angle (gint dx,
gdouble angle;
if (dx)
angle = gimp_rad_to_deg (atan (((double)(dy) / yres) / ((double)(dx) / xres)));
angle = gimp_rad_to_deg (atan (((gdouble) (dy) / yres) /
((gdouble) (dx) / xres)));
else if (dy)
angle = dy > 0 ? 270.0 : 90.0;
else
angle = 180.0;
if (dx > 0)
{
if (dy > 0)
@ -167,9 +180,11 @@ measure_get_angle (gint dx,
angle = -angle;
}
else
angle = 180.0 - angle;
{
angle = 180.0 - angle;
}
return (angle);
return angle;
}
static void
@ -177,11 +192,11 @@ measure_tool_button_press (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
gint x[3];
gint y[3];
gint i;
GDisplay *gdisp;
MeasureTool *measure_tool;
gint x[3];
gint y[3];
gint i;
gdisp = (GDisplay *) gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -190,6 +205,7 @@ measure_tool_button_press (Tool *tool,
if (tool->state == ACTIVE && gdisp_ptr != tool->gdisp_ptr)
{
GDisplay *old_gdisp = tool->gdisp_ptr;
gtk_statusbar_pop (GTK_STATUSBAR (old_gdisp->statusbar),
measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar),
@ -200,12 +216,15 @@ measure_tool_button_press (Tool *tool,
if (tool->state == ACTIVE && gdisp_ptr == tool->gdisp_ptr)
{
/* if the cursor is in one of the handles,
the new function will be moving or adding a new point or guide */
for (i=0; i < measure_tool->num_points; i++)
/* if the cursor is in one of the handles,
* the new function will be moving or adding a new point or guide
*/
for (i = 0; i < measure_tool->num_points; i++)
{
gdisplay_transform_coords (gdisp, measure_tool->x[i], measure_tool->y[i],
&x[i], &y[i], FALSE);
gdisplay_transform_coords (gdisp,
measure_tool->x[i], measure_tool->y[i],
&x[i], &y[i], FALSE);
if (bevent->x == CLAMP (bevent->x, x[i] - TARGET, x[i] + TARGET) &&
bevent->y == CLAMP (bevent->y, y[i] - TARGET, y[i] + TARGET))
{
@ -258,6 +277,7 @@ measure_tool_button_press (Tool *tool,
break;
}
}
/* adding to the middle point makes no sense */
if (i == 0 && measure_tool->function == ADDING && measure_tool->num_points == 3)
measure_tool->function = MOVING;
@ -282,8 +302,10 @@ measure_tool_button_press (Tool *tool,
/* reset everything */
draw_core_stop (measure_tool->core, tool);
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id, "");
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id, "");
distance_buf[0] = '\0';
angle_buf[0] = '\0';
@ -294,15 +316,17 @@ measure_tool_button_press (Tool *tool,
{
/* initialize the statusbar display */
measure_tool->context_id =
gtk_statusbar_get_context_id (GTK_STATUSBAR (gdisp->statusbar), "measure");
gtk_statusbar_get_context_id (GTK_STATUSBAR (gdisp->statusbar),
"measure");
}
/* set the first point and go into ADDING mode */
gdisplay_untransform_coords (gdisp, bevent->x, bevent->y,
&measure_tool->x[0], &measure_tool->y[0], TRUE, FALSE);
measure_tool->point = 0;
&measure_tool->x[0], &measure_tool->y[0],
TRUE, FALSE);
measure_tool->point = 0;
measure_tool->num_points = 1;
measure_tool->function = ADDING;
measure_tool->function = ADDING;
/* set the gdisplay */
tool->gdisp_ptr = gdisp_ptr;
@ -312,20 +336,21 @@ measure_tool_button_press (Tool *tool,
}
/* create the info window if necessary */
if (!measure_tool_info &&
if (! measure_tool_info &&
(measure_tool_options->use_info_window ||
!GTK_WIDGET_VISIBLE (gdisp->statusarea)))
! GTK_WIDGET_VISIBLE (gdisp->statusarea)))
{
measure_tool_info = info_dialog_new (_("Measure Tool"),
tools_help_func, NULL);
info_dialog_add_label (measure_tool_info, _("Distance:"), distance_buf);
info_dialog_add_label (measure_tool_info, _("Angle:"), angle_buf);
gimp_dialog_create_action_area (GTK_DIALOG (measure_tool_info->shell),
_("Close"), measure_tool_info_window_close_callback,
_("Close"),
measure_tool_info_window_close_callback,
measure_tool_info, NULL, NULL, TRUE, FALSE,
NULL);
}
@ -350,8 +375,8 @@ measure_tool_button_release (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
GDisplay *gdisp;
MeasureTool *measure_tool;
gdisp = (GDisplay *) gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -367,17 +392,17 @@ measure_tool_motion (Tool *tool,
GdkEventMotion *mevent,
gpointer gdisp_ptr)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
gint x, y;
gint ax, ay;
gint bx, by;
gint dx, dy;
gint i;
gint tmp;
gdouble angle;
gdouble distance;
gchar status_str[STATUSBAR_SIZE];
GDisplay *gdisp;
MeasureTool *measure_tool;
gint x, y;
gint ax, ay;
gint bx, by;
gint dx, dy;
gint i;
gint tmp;
gdouble angle;
gdouble distance;
gchar status_str[STATUSBAR_SIZE];
gdisp = (GDisplay *) gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -387,7 +412,7 @@ measure_tool_motion (Tool *tool,
/* get the coordinates */
gdisplay_untransform_coords (gdisp, mevent->x, mevent->y, &x, &y, TRUE, FALSE);
/*
* A few comments here, because this routine looks quite weird at first ...
*
@ -519,18 +544,19 @@ measure_tool_motion (Tool *tool,
}
else /* show real world units */
{
gchar *format_str = g_strdup_printf ("%%.%df %s, %%.2f %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit),
_("degrees"));
gchar *format_str =
g_strdup_printf ("%%.%df %s, %%.2f %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit),
_("degrees"));
distance = gimp_unit_get_factor (gdisp->gimage->unit) *
sqrt (SQR ((gdouble)(ax - bx) / gdisp->gimage->xresolution) +
SQR ((gdouble)(ay - by) / gdisp->gimage->yresolution));
if (measure_tool->num_points != 3)
bx = ax > 0 ? 1 : -1;
measure_tool->angle1 = measure_get_angle (ax, ay,
gdisp->gimage->xresolution,
gdisp->gimage->yresolution);
@ -540,32 +566,35 @@ measure_tool_motion (Tool *tool,
angle = fabs (measure_tool->angle1 - measure_tool->angle2);
if (angle > 180.0)
angle = fabs (360.0 - angle);
g_snprintf (status_str, STATUSBAR_SIZE, format_str, distance , angle);
g_free (format_str);
if (measure_tool_options)
{
gchar *format_str = g_strdup_printf ("%%.%df %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit));
gchar *format_str =
g_strdup_printf ("%%.%df %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit));
g_snprintf (distance_buf, MAX_INFO_BUF, format_str, distance);
g_snprintf (angle_buf, MAX_INFO_BUF, "%.2f %s", angle, _("degrees"));
g_free (format_str);
}
}
/* show info in statusbar */
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id,
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id,
status_str);
/* and in the info window */
if (measure_tool_info)
measure_tool_info_update ();
} /* measure_tool->function == MOVING */
/* redraw the current tool */
draw_core_resume (measure_tool->core, tool);
}
@ -599,7 +628,7 @@ measure_tool_cursor_update (Tool *tool,
mevent->y == CLAMP (mevent->y, y[i] - TARGET, y[i] + TARGET))
{
in_handle = TRUE;
if (mevent->state & GDK_CONTROL_MASK)
{
if (mevent->state & GDK_MOD1_MASK)
@ -640,13 +669,13 @@ measure_tool_cursor_update (Tool *tool,
static void
measure_tool_draw (Tool *tool)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
gint x[3];
gint y[3];
gint i;
gint angle1, angle2;
gint draw_arc = 0;
GDisplay *gdisp;
MeasureTool *measure_tool;
gint x[3];
gint y[3];
gint i;
gint angle1, angle2;
gint draw_arc = 0;
gdisp = (GDisplay *) tool->gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -697,7 +726,7 @@ measure_tool_draw (Tool *tool)
x[0] - ARC_RADIUS, y[0] - ARC_RADIUS,
2 * ARC_RADIUS, 2 * ARC_RADIUS,
angle1, angle2);
if (measure_tool->num_points == 2)
gdk_draw_line (measure_tool->core->win, measure_tool->core->gc,
x[0], y[0],
@ -713,8 +742,8 @@ measure_tool_control (Tool *tool,
ToolAction action,
gpointer gdisp_ptr)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
GDisplay *gdisp;
MeasureTool *measure_tool;
gdisp = (GDisplay *) tool->gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -758,8 +787,8 @@ measure_tool_info_window_close_callback (GtkWidget *widget,
Tool *
tools_new_measure_tool (void)
{
Tool * tool;
MeasureTool * private;
Tool *tool;
MeasureTool *private;
/* The tool options */
if (! measure_tool_options)
@ -791,15 +820,16 @@ tools_new_measure_tool (void)
void
tools_free_measure_tool (Tool *tool)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
GDisplay *gdisp;
MeasureTool *measure_tool;
measure_tool = (MeasureTool *) tool->private;
gdisp = (GDisplay *) tool->gdisp_ptr;
if (tool->state == ACTIVE)
{
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id);
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id);
draw_core_stop (measure_tool->core, tool);
}

198
app/tools/gimpmeasuretool.c
View File

@ -35,6 +35,7 @@
#include "libgimp/gimpintl.h"
#include "libgimp/gimpmath.h"
/* definitions */
#define TARGET 8
#define ARC_RADIUS 30
@ -89,19 +90,30 @@ struct _MeasureOptions
static MeasureOptions *measure_tool_options = NULL;
/* the measure tool info window */
static InfoDialog *measure_tool_info = NULL;
static gchar distance_buf [MAX_INFO_BUF];
static gchar angle_buf [MAX_INFO_BUF];
static InfoDialog *measure_tool_info = NULL;
static gchar distance_buf[MAX_INFO_BUF];
static gchar angle_buf[MAX_INFO_BUF];
/* local function prototypes */
static void measure_tool_button_press (Tool *, GdkEventButton *, gpointer);
static void measure_tool_button_release (Tool *, GdkEventButton *, gpointer);
static void measure_tool_motion (Tool *, GdkEventMotion *, gpointer);
static void measure_tool_cursor_update (Tool *, GdkEventMotion *, gpointer);
static void measure_tool_control (Tool *, ToolAction, gpointer);
static void measure_tool_button_press (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr);
static void measure_tool_button_release (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr);
static void measure_tool_motion (Tool *tool,
GdkEventMotion *mevent,
gpointer gdisp_ptr);
static void measure_tool_cursor_update (Tool *tool,
GdkEventMotion *mevent,
gpointer gdisp_ptr);
static void measure_tool_control (Tool *tool,
ToolAction action,
gpointer gdisp_ptr);
static void measure_tool_info_window_close_callback (GtkWidget *, gpointer);
static void measure_tool_info_window_close_callback (GtkWidget *widget,
gpointer data);
static void measure_tool_info_update (void);
@ -118,7 +130,7 @@ static MeasureOptions *
measure_tool_options_new (void)
{
MeasureOptions *options;
GtkWidget *vbox;
GtkWidget *vbox;
/* the new measure tool options structure */
options = g_new (MeasureOptions, 1);
@ -144,7 +156,7 @@ measure_tool_options_new (void)
return options;
}
static double
static gdouble
measure_get_angle (gint dx,
gint dy,
gdouble xres,
@ -153,12 +165,13 @@ measure_get_angle (gint dx,
gdouble angle;
if (dx)
angle = gimp_rad_to_deg (atan (((double)(dy) / yres) / ((double)(dx) / xres)));
angle = gimp_rad_to_deg (atan (((gdouble) (dy) / yres) /
((gdouble) (dx) / xres)));
else if (dy)
angle = dy > 0 ? 270.0 : 90.0;
else
angle = 180.0;
if (dx > 0)
{
if (dy > 0)
@ -167,9 +180,11 @@ measure_get_angle (gint dx,
angle = -angle;
}
else
angle = 180.0 - angle;
{
angle = 180.0 - angle;
}
return (angle);
return angle;
}
static void
@ -177,11 +192,11 @@ measure_tool_button_press (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
gint x[3];
gint y[3];
gint i;
GDisplay *gdisp;
MeasureTool *measure_tool;
gint x[3];
gint y[3];
gint i;
gdisp = (GDisplay *) gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -190,6 +205,7 @@ measure_tool_button_press (Tool *tool,
if (tool->state == ACTIVE && gdisp_ptr != tool->gdisp_ptr)
{
GDisplay *old_gdisp = tool->gdisp_ptr;
gtk_statusbar_pop (GTK_STATUSBAR (old_gdisp->statusbar),
measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar),
@ -200,12 +216,15 @@ measure_tool_button_press (Tool *tool,
if (tool->state == ACTIVE && gdisp_ptr == tool->gdisp_ptr)
{
/* if the cursor is in one of the handles,
the new function will be moving or adding a new point or guide */
for (i=0; i < measure_tool->num_points; i++)
/* if the cursor is in one of the handles,
* the new function will be moving or adding a new point or guide
*/
for (i = 0; i < measure_tool->num_points; i++)
{
gdisplay_transform_coords (gdisp, measure_tool->x[i], measure_tool->y[i],
&x[i], &y[i], FALSE);
gdisplay_transform_coords (gdisp,
measure_tool->x[i], measure_tool->y[i],
&x[i], &y[i], FALSE);
if (bevent->x == CLAMP (bevent->x, x[i] - TARGET, x[i] + TARGET) &&
bevent->y == CLAMP (bevent->y, y[i] - TARGET, y[i] + TARGET))
{
@ -258,6 +277,7 @@ measure_tool_button_press (Tool *tool,
break;
}
}
/* adding to the middle point makes no sense */
if (i == 0 && measure_tool->function == ADDING && measure_tool->num_points == 3)
measure_tool->function = MOVING;
@ -282,8 +302,10 @@ measure_tool_button_press (Tool *tool,
/* reset everything */
draw_core_stop (measure_tool->core, tool);
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id, "");
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id, "");
distance_buf[0] = '\0';
angle_buf[0] = '\0';
@ -294,15 +316,17 @@ measure_tool_button_press (Tool *tool,
{
/* initialize the statusbar display */
measure_tool->context_id =
gtk_statusbar_get_context_id (GTK_STATUSBAR (gdisp->statusbar), "measure");
gtk_statusbar_get_context_id (GTK_STATUSBAR (gdisp->statusbar),
"measure");
}
/* set the first point and go into ADDING mode */
gdisplay_untransform_coords (gdisp, bevent->x, bevent->y,
&measure_tool->x[0], &measure_tool->y[0], TRUE, FALSE);
measure_tool->point = 0;
&measure_tool->x[0], &measure_tool->y[0],
TRUE, FALSE);
measure_tool->point = 0;
measure_tool->num_points = 1;
measure_tool->function = ADDING;
measure_tool->function = ADDING;
/* set the gdisplay */
tool->gdisp_ptr = gdisp_ptr;
@ -312,20 +336,21 @@ measure_tool_button_press (Tool *tool,
}
/* create the info window if necessary */
if (!measure_tool_info &&
if (! measure_tool_info &&
(measure_tool_options->use_info_window ||
!GTK_WIDGET_VISIBLE (gdisp->statusarea)))
! GTK_WIDGET_VISIBLE (gdisp->statusarea)))
{
measure_tool_info = info_dialog_new (_("Measure Tool"),
tools_help_func, NULL);
info_dialog_add_label (measure_tool_info, _("Distance:"), distance_buf);
info_dialog_add_label (measure_tool_info, _("Angle:"), angle_buf);
gimp_dialog_create_action_area (GTK_DIALOG (measure_tool_info->shell),
_("Close"), measure_tool_info_window_close_callback,
_("Close"),
measure_tool_info_window_close_callback,
measure_tool_info, NULL, NULL, TRUE, FALSE,
NULL);
}
@ -350,8 +375,8 @@ measure_tool_button_release (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
GDisplay *gdisp;
MeasureTool *measure_tool;
gdisp = (GDisplay *) gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -367,17 +392,17 @@ measure_tool_motion (Tool *tool,
GdkEventMotion *mevent,
gpointer gdisp_ptr)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
gint x, y;
gint ax, ay;
gint bx, by;
gint dx, dy;
gint i;
gint tmp;
gdouble angle;
gdouble distance;
gchar status_str[STATUSBAR_SIZE];
GDisplay *gdisp;
MeasureTool *measure_tool;
gint x, y;
gint ax, ay;
gint bx, by;
gint dx, dy;
gint i;
gint tmp;
gdouble angle;
gdouble distance;
gchar status_str[STATUSBAR_SIZE];
gdisp = (GDisplay *) gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -387,7 +412,7 @@ measure_tool_motion (Tool *tool,
/* get the coordinates */
gdisplay_untransform_coords (gdisp, mevent->x, mevent->y, &x, &y, TRUE, FALSE);
/*
* A few comments here, because this routine looks quite weird at first ...
*
@ -519,18 +544,19 @@ measure_tool_motion (Tool *tool,
}
else /* show real world units */
{
gchar *format_str = g_strdup_printf ("%%.%df %s, %%.2f %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit),
_("degrees"));
gchar *format_str =
g_strdup_printf ("%%.%df %s, %%.2f %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit),
_("degrees"));
distance = gimp_unit_get_factor (gdisp->gimage->unit) *
sqrt (SQR ((gdouble)(ax - bx) / gdisp->gimage->xresolution) +
SQR ((gdouble)(ay - by) / gdisp->gimage->yresolution));
if (measure_tool->num_points != 3)
bx = ax > 0 ? 1 : -1;
measure_tool->angle1 = measure_get_angle (ax, ay,
gdisp->gimage->xresolution,
gdisp->gimage->yresolution);
@ -540,32 +566,35 @@ measure_tool_motion (Tool *tool,
angle = fabs (measure_tool->angle1 - measure_tool->angle2);
if (angle > 180.0)
angle = fabs (360.0 - angle);
g_snprintf (status_str, STATUSBAR_SIZE, format_str, distance , angle);
g_free (format_str);
if (measure_tool_options)
{
gchar *format_str = g_strdup_printf ("%%.%df %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit));
gchar *format_str =
g_strdup_printf ("%%.%df %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit));
g_snprintf (distance_buf, MAX_INFO_BUF, format_str, distance);
g_snprintf (angle_buf, MAX_INFO_BUF, "%.2f %s", angle, _("degrees"));
g_free (format_str);
}
}
/* show info in statusbar */
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id,
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id,
status_str);
/* and in the info window */
if (measure_tool_info)
measure_tool_info_update ();
} /* measure_tool->function == MOVING */
/* redraw the current tool */
draw_core_resume (measure_tool->core, tool);
}
@ -599,7 +628,7 @@ measure_tool_cursor_update (Tool *tool,
mevent->y == CLAMP (mevent->y, y[i] - TARGET, y[i] + TARGET))
{
in_handle = TRUE;
if (mevent->state & GDK_CONTROL_MASK)
{
if (mevent->state & GDK_MOD1_MASK)
@ -640,13 +669,13 @@ measure_tool_cursor_update (Tool *tool,
static void
measure_tool_draw (Tool *tool)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
gint x[3];
gint y[3];
gint i;
gint angle1, angle2;
gint draw_arc = 0;
GDisplay *gdisp;
MeasureTool *measure_tool;
gint x[3];
gint y[3];
gint i;
gint angle1, angle2;
gint draw_arc = 0;
gdisp = (GDisplay *) tool->gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -697,7 +726,7 @@ measure_tool_draw (Tool *tool)
x[0] - ARC_RADIUS, y[0] - ARC_RADIUS,
2 * ARC_RADIUS, 2 * ARC_RADIUS,
angle1, angle2);
if (measure_tool->num_points == 2)
gdk_draw_line (measure_tool->core->win, measure_tool->core->gc,
x[0], y[0],
@ -713,8 +742,8 @@ measure_tool_control (Tool *tool,
ToolAction action,
gpointer gdisp_ptr)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
GDisplay *gdisp;
MeasureTool *measure_tool;
gdisp = (GDisplay *) tool->gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -758,8 +787,8 @@ measure_tool_info_window_close_callback (GtkWidget *widget,
Tool *
tools_new_measure_tool (void)
{
Tool * tool;
MeasureTool * private;
Tool *tool;
MeasureTool *private;
/* The tool options */
if (! measure_tool_options)
@ -791,15 +820,16 @@ tools_new_measure_tool (void)
void
tools_free_measure_tool (Tool *tool)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
GDisplay *gdisp;
MeasureTool *measure_tool;
measure_tool = (MeasureTool *) tool->private;
gdisp = (GDisplay *) tool->gdisp_ptr;
if (tool->state == ACTIVE)
{
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id);
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id);
draw_core_stop (measure_tool->core, tool);
}

198
app/tools/measure.c
View File

@ -35,6 +35,7 @@
#include "libgimp/gimpintl.h"
#include "libgimp/gimpmath.h"
/* definitions */
#define TARGET 8
#define ARC_RADIUS 30
@ -89,19 +90,30 @@ struct _MeasureOptions
static MeasureOptions *measure_tool_options = NULL;
/* the measure tool info window */
static InfoDialog *measure_tool_info = NULL;
static gchar distance_buf [MAX_INFO_BUF];
static gchar angle_buf [MAX_INFO_BUF];
static InfoDialog *measure_tool_info = NULL;
static gchar distance_buf[MAX_INFO_BUF];
static gchar angle_buf[MAX_INFO_BUF];
/* local function prototypes */
static void measure_tool_button_press (Tool *, GdkEventButton *, gpointer);
static void measure_tool_button_release (Tool *, GdkEventButton *, gpointer);
static void measure_tool_motion (Tool *, GdkEventMotion *, gpointer);
static void measure_tool_cursor_update (Tool *, GdkEventMotion *, gpointer);
static void measure_tool_control (Tool *, ToolAction, gpointer);
static void measure_tool_button_press (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr);
static void measure_tool_button_release (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr);
static void measure_tool_motion (Tool *tool,
GdkEventMotion *mevent,
gpointer gdisp_ptr);
static void measure_tool_cursor_update (Tool *tool,
GdkEventMotion *mevent,
gpointer gdisp_ptr);
static void measure_tool_control (Tool *tool,
ToolAction action,
gpointer gdisp_ptr);
static void measure_tool_info_window_close_callback (GtkWidget *, gpointer);
static void measure_tool_info_window_close_callback (GtkWidget *widget,
gpointer data);
static void measure_tool_info_update (void);
@ -118,7 +130,7 @@ static MeasureOptions *
measure_tool_options_new (void)
{
MeasureOptions *options;
GtkWidget *vbox;
GtkWidget *vbox;
/* the new measure tool options structure */
options = g_new (MeasureOptions, 1);
@ -144,7 +156,7 @@ measure_tool_options_new (void)
return options;
}
static double
static gdouble
measure_get_angle (gint dx,
gint dy,
gdouble xres,
@ -153,12 +165,13 @@ measure_get_angle (gint dx,
gdouble angle;
if (dx)
angle = gimp_rad_to_deg (atan (((double)(dy) / yres) / ((double)(dx) / xres)));
angle = gimp_rad_to_deg (atan (((gdouble) (dy) / yres) /
((gdouble) (dx) / xres)));
else if (dy)
angle = dy > 0 ? 270.0 : 90.0;
else
angle = 180.0;
if (dx > 0)
{
if (dy > 0)
@ -167,9 +180,11 @@ measure_get_angle (gint dx,
angle = -angle;
}
else
angle = 180.0 - angle;
{
angle = 180.0 - angle;
}
return (angle);
return angle;
}
static void
@ -177,11 +192,11 @@ measure_tool_button_press (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
gint x[3];
gint y[3];
gint i;
GDisplay *gdisp;
MeasureTool *measure_tool;
gint x[3];
gint y[3];
gint i;
gdisp = (GDisplay *) gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -190,6 +205,7 @@ measure_tool_button_press (Tool *tool,
if (tool->state == ACTIVE && gdisp_ptr != tool->gdisp_ptr)
{
GDisplay *old_gdisp = tool->gdisp_ptr;
gtk_statusbar_pop (GTK_STATUSBAR (old_gdisp->statusbar),
measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar),
@ -200,12 +216,15 @@ measure_tool_button_press (Tool *tool,
if (tool->state == ACTIVE && gdisp_ptr == tool->gdisp_ptr)
{
/* if the cursor is in one of the handles,
the new function will be moving or adding a new point or guide */
for (i=0; i < measure_tool->num_points; i++)
/* if the cursor is in one of the handles,
* the new function will be moving or adding a new point or guide
*/
for (i = 0; i < measure_tool->num_points; i++)
{
gdisplay_transform_coords (gdisp, measure_tool->x[i], measure_tool->y[i],
&x[i], &y[i], FALSE);
gdisplay_transform_coords (gdisp,
measure_tool->x[i], measure_tool->y[i],
&x[i], &y[i], FALSE);
if (bevent->x == CLAMP (bevent->x, x[i] - TARGET, x[i] + TARGET) &&
bevent->y == CLAMP (bevent->y, y[i] - TARGET, y[i] + TARGET))
{
@ -258,6 +277,7 @@ measure_tool_button_press (Tool *tool,
break;
}
}
/* adding to the middle point makes no sense */
if (i == 0 && measure_tool->function == ADDING && measure_tool->num_points == 3)
measure_tool->function = MOVING;
@ -282,8 +302,10 @@ measure_tool_button_press (Tool *tool,
/* reset everything */
draw_core_stop (measure_tool->core, tool);
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id, "");
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id, "");
distance_buf[0] = '\0';
angle_buf[0] = '\0';
@ -294,15 +316,17 @@ measure_tool_button_press (Tool *tool,
{
/* initialize the statusbar display */
measure_tool->context_id =
gtk_statusbar_get_context_id (GTK_STATUSBAR (gdisp->statusbar), "measure");
gtk_statusbar_get_context_id (GTK_STATUSBAR (gdisp->statusbar),
"measure");
}
/* set the first point and go into ADDING mode */
gdisplay_untransform_coords (gdisp, bevent->x, bevent->y,
&measure_tool->x[0], &measure_tool->y[0], TRUE, FALSE);
measure_tool->point = 0;
&measure_tool->x[0], &measure_tool->y[0],
TRUE, FALSE);
measure_tool->point = 0;
measure_tool->num_points = 1;
measure_tool->function = ADDING;
measure_tool->function = ADDING;
/* set the gdisplay */
tool->gdisp_ptr = gdisp_ptr;
@ -312,20 +336,21 @@ measure_tool_button_press (Tool *tool,
}
/* create the info window if necessary */
if (!measure_tool_info &&
if (! measure_tool_info &&
(measure_tool_options->use_info_window ||
!GTK_WIDGET_VISIBLE (gdisp->statusarea)))
! GTK_WIDGET_VISIBLE (gdisp->statusarea)))
{
measure_tool_info = info_dialog_new (_("Measure Tool"),
tools_help_func, NULL);
info_dialog_add_label (measure_tool_info, _("Distance:"), distance_buf);
info_dialog_add_label (measure_tool_info, _("Angle:"), angle_buf);
gimp_dialog_create_action_area (GTK_DIALOG (measure_tool_info->shell),
_("Close"), measure_tool_info_window_close_callback,
_("Close"),
measure_tool_info_window_close_callback,
measure_tool_info, NULL, NULL, TRUE, FALSE,
NULL);
}
@ -350,8 +375,8 @@ measure_tool_button_release (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
GDisplay *gdisp;
MeasureTool *measure_tool;
gdisp = (GDisplay *) gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -367,17 +392,17 @@ measure_tool_motion (Tool *tool,
GdkEventMotion *mevent,
gpointer gdisp_ptr)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
gint x, y;
gint ax, ay;
gint bx, by;
gint dx, dy;
gint i;
gint tmp;
gdouble angle;
gdouble distance;
gchar status_str[STATUSBAR_SIZE];
GDisplay *gdisp;
MeasureTool *measure_tool;
gint x, y;
gint ax, ay;
gint bx, by;
gint dx, dy;
gint i;
gint tmp;
gdouble angle;
gdouble distance;
gchar status_str[STATUSBAR_SIZE];
gdisp = (GDisplay *) gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -387,7 +412,7 @@ measure_tool_motion (Tool *tool,
/* get the coordinates */
gdisplay_untransform_coords (gdisp, mevent->x, mevent->y, &x, &y, TRUE, FALSE);
/*
* A few comments here, because this routine looks quite weird at first ...
*
@ -519,18 +544,19 @@ measure_tool_motion (Tool *tool,
}
else /* show real world units */
{
gchar *format_str = g_strdup_printf ("%%.%df %s, %%.2f %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit),
_("degrees"));
gchar *format_str =
g_strdup_printf ("%%.%df %s, %%.2f %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit),
_("degrees"));
distance = gimp_unit_get_factor (gdisp->gimage->unit) *
sqrt (SQR ((gdouble)(ax - bx) / gdisp->gimage->xresolution) +
SQR ((gdouble)(ay - by) / gdisp->gimage->yresolution));
if (measure_tool->num_points != 3)
bx = ax > 0 ? 1 : -1;
measure_tool->angle1 = measure_get_angle (ax, ay,
gdisp->gimage->xresolution,
gdisp->gimage->yresolution);
@ -540,32 +566,35 @@ measure_tool_motion (Tool *tool,
angle = fabs (measure_tool->angle1 - measure_tool->angle2);
if (angle > 180.0)
angle = fabs (360.0 - angle);
g_snprintf (status_str, STATUSBAR_SIZE, format_str, distance , angle);
g_free (format_str);
if (measure_tool_options)
{
gchar *format_str = g_strdup_printf ("%%.%df %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit));
gchar *format_str =
g_strdup_printf ("%%.%df %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit));
g_snprintf (distance_buf, MAX_INFO_BUF, format_str, distance);
g_snprintf (angle_buf, MAX_INFO_BUF, "%.2f %s", angle, _("degrees"));
g_free (format_str);
}
}
/* show info in statusbar */
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id,
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id);
gtk_statusbar_push (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id,
status_str);
/* and in the info window */
if (measure_tool_info)
measure_tool_info_update ();
} /* measure_tool->function == MOVING */
/* redraw the current tool */
draw_core_resume (measure_tool->core, tool);
}
@ -599,7 +628,7 @@ measure_tool_cursor_update (Tool *tool,
mevent->y == CLAMP (mevent->y, y[i] - TARGET, y[i] + TARGET))
{
in_handle = TRUE;
if (mevent->state & GDK_CONTROL_MASK)
{
if (mevent->state & GDK_MOD1_MASK)
@ -640,13 +669,13 @@ measure_tool_cursor_update (Tool *tool,
static void
measure_tool_draw (Tool *tool)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
gint x[3];
gint y[3];
gint i;
gint angle1, angle2;
gint draw_arc = 0;
GDisplay *gdisp;
MeasureTool *measure_tool;
gint x[3];
gint y[3];
gint i;
gint angle1, angle2;
gint draw_arc = 0;
gdisp = (GDisplay *) tool->gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -697,7 +726,7 @@ measure_tool_draw (Tool *tool)
x[0] - ARC_RADIUS, y[0] - ARC_RADIUS,
2 * ARC_RADIUS, 2 * ARC_RADIUS,
angle1, angle2);
if (measure_tool->num_points == 2)
gdk_draw_line (measure_tool->core->win, measure_tool->core->gc,
x[0], y[0],
@ -713,8 +742,8 @@ measure_tool_control (Tool *tool,
ToolAction action,
gpointer gdisp_ptr)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
GDisplay *gdisp;
MeasureTool *measure_tool;
gdisp = (GDisplay *) tool->gdisp_ptr;
measure_tool = (MeasureTool *) tool->private;
@ -758,8 +787,8 @@ measure_tool_info_window_close_callback (GtkWidget *widget,
Tool *
tools_new_measure_tool (void)
{
Tool * tool;
MeasureTool * private;
Tool *tool;
MeasureTool *private;
/* The tool options */
if (! measure_tool_options)
@ -791,15 +820,16 @@ tools_new_measure_tool (void)
void
tools_free_measure_tool (Tool *tool)
{
GDisplay * gdisp;
MeasureTool * measure_tool;
GDisplay *gdisp;
MeasureTool *measure_tool;
measure_tool = (MeasureTool *) tool->private;
gdisp = (GDisplay *) tool->gdisp_ptr;
if (tool->state == ACTIVE)
{
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar), measure_tool->context_id);
gtk_statusbar_pop (GTK_STATUSBAR (gdisp->statusbar),
measure_tool->context_id);
draw_core_stop (measure_tool->core, tool);
}