[gtk/wip/baedert/css-values: 72/102] cssimagelinear: Use count+array for the color stops, not GArray
- From: Timm Bäder <baedert src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/wip/baedert/css-values: 72/102] cssimagelinear: Use count+array for the color stops, not GArray
- Date: Sat, 18 Jan 2020 07:51:29 +0000 (UTC)
commit 00aa4f0597a5af148fcf7f5fe6cd0d082f97ff7a
Author: Timm Bäder <mail baedert org>
Date: Sat Jan 11 09:05:07 2020 +0100
cssimagelinear: Use count+array for the color stops, not GArray
This makse sense but will also make later changes to GtkCssImageLinear
simpler.
gtk/gtkcssimagelinear.c | 176 ++++++++++++++++++++++-------------------
gtk/gtkcssimagelinearprivate.h | 8 +-
2 files changed, 99 insertions(+), 85 deletions(-)
---
diff --git a/gtk/gtkcssimagelinear.c b/gtk/gtkcssimagelinear.c
index df9efc8b6a..52e9a33e2a 100644
--- a/gtk/gtkcssimagelinear.c
+++ b/gtk/gtkcssimagelinear.c
@@ -36,13 +36,13 @@ gtk_css_image_linear_get_repeating_start_end (GtkCssImageLinear *linear,
double *start,
double *end)
{
- GtkCssImageLinearColorStop *stop;
+ const GtkCssImageLinearColorStop *stop;
double pos;
guint i;
g_assert (linear->repeating);
- stop = &g_array_index (linear->stops, GtkCssImageLinearColorStop, 0);
+ stop = &linear->color_stops[0];
if (stop->offset == NULL)
*start = 0;
else
@@ -50,9 +50,9 @@ gtk_css_image_linear_get_repeating_start_end (GtkCssImageLinear *linear,
*end = *start;
- for (i = 0; i < linear->stops->len; i++)
+ for (i = 0; i < linear->n_stops; i++)
{
- stop = &g_array_index (linear->stops, GtkCssImageLinearColorStop, i);
+ stop = &linear->color_stops[i];
if (stop->offset == NULL)
continue;
@@ -190,8 +190,7 @@ gtk_css_image_linear_snapshot (GtkCssImage *image,
{
/* repeating gradients with all color stops sharing the same offset
* get the color of the last color stop */
- GtkCssImageLinearColorStop *stop = &g_array_index (linear->stops, GtkCssImageLinearColorStop,
- linear->stops->len - 1);
+ const GtkCssImageLinearColorStop *stop = &linear->color_stops[linear->n_stops - 1];
gtk_snapshot_append_color (snapshot,
gtk_css_color_value_get_rgba (stop->color),
@@ -207,20 +206,18 @@ gtk_css_image_linear_snapshot (GtkCssImage *image,
offset = start;
last = -1;
- stops = g_newa (GskColorStop, linear->stops->len);
+ stops = g_newa (GskColorStop, linear->n_stops);
- for (i = 0; i < linear->stops->len; i++)
+ for (i = 0; i < linear->n_stops; i++)
{
- GtkCssImageLinearColorStop *stop;
+ const GtkCssImageLinearColorStop *stop = &linear->color_stops[i];
double pos, step;
-
- stop = &g_array_index (linear->stops, GtkCssImageLinearColorStop, i);
if (stop->offset == NULL)
{
if (i == 0)
pos = 0.0;
- else if (i + 1 == linear->stops->len)
+ else if (i + 1 == linear->n_stops)
pos = 1.0;
else
continue;
@@ -235,7 +232,7 @@ gtk_css_image_linear_snapshot (GtkCssImage *image,
step = (pos - offset) / (i - last);
for (last = last + 1; last <= i; last++)
{
- stop = &g_array_index (linear->stops, GtkCssImageLinearColorStop, last);
+ stop = &linear->color_stops[last];
offset += step;
@@ -255,7 +252,7 @@ gtk_css_image_linear_snapshot (GtkCssImage *image,
&GRAPHENE_POINT_INIT (width / 2 + x * (start - 0.5), height / 2 + y * (start - 0.5)),
&GRAPHENE_POINT_INIT (width / 2 + x * (end - 0.5), height / 2 + y * (end - 0.5)),
stops,
- linear->stops->len);
+ linear->n_stops);
}
else
{
@@ -265,13 +262,14 @@ gtk_css_image_linear_snapshot (GtkCssImage *image,
&GRAPHENE_POINT_INIT (width / 2 + x * (start - 0.5), height / 2 + y * (start - 0.5)),
&GRAPHENE_POINT_INIT (width / 2 + x * (end - 0.5), height / 2 + y * (end - 0.5)),
stops,
- linear->stops->len);
+ linear->n_stops);
}
}
static guint
gtk_css_image_linear_parse_color_stop (GtkCssImageLinear *self,
- GtkCssParser *parser)
+ GtkCssParser *parser,
+ GArray *stop_array)
{
GtkCssImageLinearColorStop stop;
@@ -295,14 +293,15 @@ gtk_css_image_linear_parse_color_stop (GtkCssImageLinear *self,
stop.offset = NULL;
}
- g_array_append_val (self->stops, stop);
+ g_array_append_val (stop_array, stop);
return 1;
}
static guint
gtk_css_image_linear_parse_first_arg (GtkCssImageLinear *linear,
- GtkCssParser *parser)
+ GtkCssParser *parser,
+ GArray *stop_array)
{
guint i;
@@ -363,31 +362,37 @@ gtk_css_image_linear_parse_first_arg (GtkCssImageLinear *linear,
linear->angle = _gtk_css_number_value_parse (parser, GTK_CSS_PARSE_ANGLE);
if (linear->angle == NULL)
return 0;
-
+
return 1;
}
else
{
linear->side = 1 << GTK_CSS_BOTTOM;
- if (!gtk_css_image_linear_parse_color_stop (linear, parser))
+ if (!gtk_css_image_linear_parse_color_stop (linear, parser, stop_array))
return 0;
return 2;
}
}
+typedef struct
+{
+ GtkCssImageLinear *self;
+ GArray *stop_array;
+} ParseData;
+
static guint
gtk_css_image_linear_parse_arg (GtkCssParser *parser,
guint arg,
- gpointer data)
+ gpointer user_data)
{
- GtkCssImageLinear *self = data;
+ ParseData *parse_data = user_data;
+ GtkCssImageLinear *self = parse_data->self;
if (arg == 0)
- return gtk_css_image_linear_parse_first_arg (self, parser);
+ return gtk_css_image_linear_parse_first_arg (self, parser, parse_data->stop_array);
else
- return gtk_css_image_linear_parse_color_stop (self, parser);
-
+ return gtk_css_image_linear_parse_color_stop (self, parser, parse_data->stop_array);
}
static gboolean
@@ -395,6 +400,8 @@ gtk_css_image_linear_parse (GtkCssImage *image,
GtkCssParser *parser)
{
GtkCssImageLinear *self = GTK_CSS_IMAGE_LINEAR (image);
+ ParseData parse_data;
+ gboolean success;
if (gtk_css_parser_has_function (parser, "repeating-linear-gradient"))
self->repeating = TRUE;
@@ -406,7 +413,22 @@ gtk_css_image_linear_parse (GtkCssImage *image,
return FALSE;
}
- return gtk_css_parser_consume_function (parser, 3, G_MAXUINT, gtk_css_image_linear_parse_arg, self);
+ parse_data.self = self;
+ parse_data.stop_array = g_array_new (TRUE, FALSE, sizeof (GtkCssImageLinearColorStop));
+
+ success = gtk_css_parser_consume_function (parser, 3, G_MAXUINT, gtk_css_image_linear_parse_arg,
&parse_data);
+
+ if (!success)
+ {
+ g_array_free (parse_data.stop_array, TRUE);
+ }
+ else
+ {
+ self->n_stops = parse_data.stop_array->len;
+ self->color_stops = (GtkCssImageLinearColorStop *)g_array_free (parse_data.stop_array, FALSE);
+ }
+
+ return success;
}
static void
@@ -446,15 +468,13 @@ gtk_css_image_linear_print (GtkCssImage *image,
g_string_append (string, ", ");
}
- for (i = 0; i < linear->stops->len; i++)
+ for (i = 0; i < linear->n_stops; i++)
{
- GtkCssImageLinearColorStop *stop;
-
+ const GtkCssImageLinearColorStop *stop = &linear->color_stops[i];
+
if (i > 0)
g_string_append (string, ", ");
- stop = &g_array_index (linear->stops, GtkCssImageLinearColorStop, i);
-
_gtk_css_value_print (stop->color, string);
if (stop->offset)
@@ -463,7 +483,7 @@ gtk_css_image_linear_print (GtkCssImage *image,
_gtk_css_value_print (stop->offset, string);
}
}
-
+
g_string_append (string, ")");
}
@@ -484,17 +504,16 @@ gtk_css_image_linear_compute (GtkCssImage *image,
if (linear->angle)
copy->angle = _gtk_css_value_compute (linear->angle, property_id, provider, style, parent_style);
-
- g_array_set_size (copy->stops, linear->stops->len);
- for (i = 0; i < linear->stops->len; i++)
+
+ copy->n_stops = linear->n_stops;
+ copy->color_stops = g_malloc (sizeof (GtkCssImageLinearColorStop) * copy->n_stops);
+ for (i = 0; i < linear->n_stops; i++)
{
- GtkCssImageLinearColorStop *stop, *scopy;
+ const GtkCssImageLinearColorStop *stop = &linear->color_stops[i];
+ GtkCssImageLinearColorStop *scopy = ©->color_stops[i];
- stop = &g_array_index (linear->stops, GtkCssImageLinearColorStop, i);
- scopy = &g_array_index (copy->stops, GtkCssImageLinearColorStop, i);
-
scopy->color = _gtk_css_value_compute (stop->color, property_id, provider, style, parent_style);
-
+
if (stop->offset)
{
scopy->offset = _gtk_css_value_compute (stop->offset, property_id, provider, style, parent_style);
@@ -528,7 +547,7 @@ gtk_css_image_linear_transition (GtkCssImage *start_image,
end = GTK_CSS_IMAGE_LINEAR (end_image);
if ((start->repeating != end->repeating)
- || (start->stops->len != end->stops->len))
+ || (start->n_stops != end->n_stops))
return GTK_CSS_IMAGE_CLASS (_gtk_css_image_linear_parent_class)->transition (start_image, end_image,
property_id, progress);
result = g_object_new (GTK_TYPE_CSS_IMAGE_LINEAR, NULL);
@@ -542,43 +561,45 @@ gtk_css_image_linear_transition (GtkCssImage *start_image,
result->angle = _gtk_css_value_transition (start->angle, end->angle, property_id, progress);
if (result->angle == NULL)
goto fail;
-
- for (i = 0; i < start->stops->len; i++)
- {
- GtkCssImageLinearColorStop stop, *start_stop, *end_stop;
- start_stop = &g_array_index (start->stops, GtkCssImageLinearColorStop, i);
- end_stop = &g_array_index (end->stops, GtkCssImageLinearColorStop, i);
+ /* Maximum amountof stops */
+ result->color_stops = g_malloc (sizeof (GtkCssImageLinearColorStop) * start->n_stops);
+ result->n_stops = 0;
+ for (i = 0; i < start->n_stops; i++)
+ {
+ const GtkCssImageLinearColorStop *start_stop = &start->color_stops[i];
+ const GtkCssImageLinearColorStop *end_stop = &end->color_stops[i];
+ GtkCssImageLinearColorStop *stop = &result->color_stops[i];
if ((start_stop->offset != NULL) != (end_stop->offset != NULL))
goto fail;
if (start_stop->offset == NULL)
{
- stop.offset = NULL;
+ stop->offset = NULL;
}
else
{
- stop.offset = _gtk_css_value_transition (start_stop->offset,
- end_stop->offset,
- property_id,
- progress);
- if (stop.offset == NULL)
+ stop->offset = _gtk_css_value_transition (start_stop->offset,
+ end_stop->offset,
+ property_id,
+ progress);
+ if (stop->offset == NULL)
goto fail;
}
- stop.color = _gtk_css_value_transition (start_stop->color,
- end_stop->color,
- property_id,
- progress);
- if (stop.color == NULL)
+ stop->color = _gtk_css_value_transition (start_stop->color,
+ end_stop->color,
+ property_id,
+ progress);
+ if (stop->color == NULL)
{
- if (stop.offset)
- _gtk_css_value_unref (stop.offset);
+ if (stop->offset)
+ _gtk_css_value_unref (stop->offset);
goto fail;
}
- g_array_append_val (result->stops, stop);
+ result->n_stops ++;
}
return GTK_CSS_IMAGE (result);
@@ -599,15 +620,13 @@ gtk_css_image_linear_equal (GtkCssImage *image1,
if (linear1->repeating != linear2->repeating ||
linear1->side != linear2->side ||
(linear1->side == 0 && !_gtk_css_value_equal (linear1->angle, linear2->angle)) ||
- linear1->stops->len != linear2->stops->len)
+ linear1->n_stops != linear2->n_stops)
return FALSE;
- for (i = 0; i < linear1->stops->len; i++)
+ for (i = 0; i < linear1->n_stops; i++)
{
- GtkCssImageLinearColorStop *stop1, *stop2;
-
- stop1 = &g_array_index (linear1->stops, GtkCssImageLinearColorStop, i);
- stop2 = &g_array_index (linear2->stops, GtkCssImageLinearColorStop, i);
+ const GtkCssImageLinearColorStop *stop1 = &linear1->color_stops[i];
+ const GtkCssImageLinearColorStop *stop2 = &linear2->color_stops[i];
if (!_gtk_css_value_equal0 (stop1->offset, stop2->offset) ||
!_gtk_css_value_equal (stop1->color, stop2->color))
@@ -621,12 +640,17 @@ static void
gtk_css_image_linear_dispose (GObject *object)
{
GtkCssImageLinear *linear = GTK_CSS_IMAGE_LINEAR (object);
+ guint i;
- if (linear->stops)
+ for (i = 0; i < linear->n_stops; i ++)
{
- g_array_free (linear->stops, TRUE);
- linear->stops = NULL;
+ GtkCssImageLinearColorStop *stop = &linear->color_stops[i];
+
+ _gtk_css_value_unref (stop->color);
+ if (stop->offset)
+ _gtk_css_value_unref (stop->offset);
}
+ g_free (linear->color_stops);
linear->side = 0;
if (linear->angle)
@@ -654,20 +678,8 @@ _gtk_css_image_linear_class_init (GtkCssImageLinearClass *klass)
object_class->dispose = gtk_css_image_linear_dispose;
}
-static void
-gtk_css_image_clear_color_stop (gpointer color_stop)
-{
- GtkCssImageLinearColorStop *stop = color_stop;
-
- _gtk_css_value_unref (stop->color);
- if (stop->offset)
- _gtk_css_value_unref (stop->offset);
-}
-
static void
_gtk_css_image_linear_init (GtkCssImageLinear *linear)
{
- linear->stops = g_array_new (FALSE, FALSE, sizeof (GtkCssImageLinearColorStop));
- g_array_set_clear_func (linear->stops, gtk_css_image_clear_color_stop);
}
diff --git a/gtk/gtkcssimagelinearprivate.h b/gtk/gtkcssimagelinearprivate.h
index 42d6907743..438b8396ec 100644
--- a/gtk/gtkcssimagelinearprivate.h
+++ b/gtk/gtkcssimagelinearprivate.h
@@ -45,10 +45,12 @@ struct _GtkCssImageLinear
{
GtkCssImage parent;
- guint side; /* side the gradient should go to or 0 for angle */
- GtkCssValue *angle;
- GArray *stops;
+ guint side; /* side the gradient should go to or 0 for angle */
guint repeating :1;
+ GtkCssValue *angle;
+
+ guint n_stops;
+ GtkCssImageLinearColorStop *color_stops;
};
struct _GtkCssImageLinearClass
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