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app/core/gimpdashpattern.[ch] moved more code out of GimpDashEditor to 

2005-05-19  Sven Neumann  <sven@gimp.org>

	* app/core/gimpdashpattern.[ch]
	* app/widgets/gimpdasheditor.c: moved more code out of
	GimpDashEditor to gimpdashpattern.c. Fixed bug in last commit.
This commit is contained in:
Sven Neumann 2005-05-19 00:40:48 +00:00 committed by Sven Neumann
parent c7ba1dfc71
commit 9bb255a3cf
4 changed files with 72 additions and 45 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
2005-05-19 Sven Neumann <sven@gimp.org>
* app/core/gimpdashpattern.[ch]
* app/widgets/gimpdasheditor.c: moved more code out of
GimpDashEditor to gimpdashpattern.c. Fixed bug in last commit.
2005-05-19 Sven Neumann <sven@gimp.org>
* app/core/gimpdashpattern.[ch]

45
app/core/gimpdashpattern.c
View File

@ -148,6 +148,51 @@ gimp_dash_pattern_from_segments (const gboolean *segments,
return pattern;
}
void
gimp_dash_pattern_segments_set (GArray *pattern,
gboolean *segments,
gint n_segments)
{
gdouble factor;
gdouble sum;
gint i, j;
gboolean paint;
g_return_if_fail (segments != NULL || n_segments == 0);
if (pattern == NULL || pattern->len <= 1)
{
for (i = 0; i < n_segments; i++)
segments[i] = TRUE;
return;
}
for (i = 0, sum = 0; i < pattern->len ; i++)
{
sum += g_array_index (pattern, gdouble, i);
}
factor = ((gdouble) n_segments) / sum;
j = 0;
sum = g_array_index (pattern, gdouble, j) * factor;
paint = TRUE;
for (i = 0; i < n_segments ; i++)
{
while (j < pattern->len && sum <= i)
{
paint = ! paint;
j++;
sum += g_array_index (pattern, gdouble, j) * factor;
}
segments[i] = paint;
}
}
GArray *
gimp_dash_pattern_from_value (const GValue *value)
{

5
app/core/gimpdashpattern.h
View File

@ -25,9 +25,14 @@
GArray * gimp_dash_pattern_from_preset (GimpDashPreset preset);
GArray * gimp_dash_pattern_from_segments (const gboolean *segments,
gint n_segments,
gdouble dash_length);
void gimp_dash_pattern_segments_set (GArray *pattern,
gboolean *segments,
gint n_segments);
GArray * gimp_dash_pattern_from_value (const GValue *value);
void gimp_dash_pattern_value_set (GArray *pattern,
GValue *value);

57
app/widgets/gimpdasheditor.c
View File

@ -472,11 +472,6 @@ gimp_dash_editor_shift_left (GimpDashEditor *editor)
static void
update_segments_from_options (GimpDashEditor *editor)
{
gdouble factor, sum = 0;
gint i, j;
gboolean paint;
GArray *dash_info;
if (editor->stroke_options == NULL || editor->segments == NULL)
return;
@ -484,54 +479,30 @@ update_segments_from_options (GimpDashEditor *editor)
gtk_widget_queue_draw (GTK_WIDGET (editor));
dash_info = editor->stroke_options->dash_info;
if (dash_info == NULL || dash_info->len <= 1)
{
for (i = 0; i < editor->n_segments; i++)
editor->segments[i] = TRUE;
return;
}
for (i = 0; i < dash_info->len ; i++)
{
sum += g_array_index (dash_info, gdouble, i);
}
factor = ((gdouble) editor->n_segments) / sum;
j = 0;
sum = g_array_index (dash_info, gdouble, j) * factor;
paint = TRUE;
for (i = 0; i < editor->n_segments ; i++)
{
while (j < dash_info->len && sum <= i)
{
paint = ! paint;
j++;
sum += g_array_index (dash_info, gdouble, j) * factor;
}
editor->segments[i] = paint;
}
gimp_dash_pattern_segments_set (editor->stroke_options->dash_info,
editor->segments, editor->n_segments);
}
static void
update_options_from_segments (GimpDashEditor *editor)
{
GArray *dash_info;
GArray *pattern;
GValue value = { 0, };
dash_info = gimp_dash_pattern_from_segments (editor->segments,
pattern = gimp_dash_pattern_from_segments (editor->segments,
editor->n_segments,
editor->dash_length);
g_object_set (G_OBJECT (editor->stroke_options),
"dash-info", dash_info,
NULL);
g_value_init (&value, G_TYPE_VALUE_ARRAY);
g_array_free (dash_info, TRUE);
gimp_dash_pattern_value_set (pattern, &value);
g_array_free (pattern, TRUE);
g_object_set_property (G_OBJECT (editor->stroke_options),
"dash-info", &value);
g_value_unset (&value);
}
static void