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Migrated ClutterPathNode to use ClutterPoint

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Removed the use of ClutterKnot almost everywhere
Updated casting to get the data from the variable arguments list
This commit is contained in:
Erick Pérez Castellanos
2013-04-13 13:01:10 -04:00
parent 7c6d0251dd
commit b1fa6434e1
7 changed files with 83 additions and 65 deletions
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89
clutter/clutter-path.c
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@ -6,6 +6,7 @@
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2008 Intel Corporation
* Copyright (C) 2013 Erick Pérez Castellanos <erick.red@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -342,7 +343,15 @@ clutter_path_add_node_full (ClutterPath *path,
priv->nodes_dirty = TRUE;
}
/* Helper function to make the rest of teh add_* functions shorter */
/*
* clutter_path_add_node_helper:
* @path: A #ClutterPath
* @type: The node type
* @num_coords: The number of coords passed
* @...: The value of each coordinate, a float value, single precision
*
* Helper function to make the rest of the add_* functions shorter
*/
static void
clutter_path_add_node_helper (ClutterPath *path,
ClutterPathNodeType type,
@ -361,8 +370,8 @@ clutter_path_add_node_helper (ClutterPath *path,
for (i = 0; i < num_coords; i++)
{
node->k.points[i].x = va_arg (ap, gint);
node->k.points[i].y = va_arg (ap, gint);
node->k.points[i].x = va_arg (ap, double);
node->k.points[i].y = va_arg (ap, double);
}
va_end (ap);
@ -384,8 +393,8 @@ clutter_path_add_node_helper (ClutterPath *path,
*/
void
clutter_path_add_move_to (ClutterPath *path,
gint x,
gint y)
gfloat x,
gfloat y)
{
g_return_if_fail (CLUTTER_IS_PATH (path));
@ -405,8 +414,8 @@ clutter_path_add_move_to (ClutterPath *path,
*/
void
clutter_path_add_rel_move_to (ClutterPath *path,
gint x,
gint y)
gfloat x,
gfloat y)
{
g_return_if_fail (CLUTTER_IS_PATH (path));
@ -426,8 +435,8 @@ clutter_path_add_rel_move_to (ClutterPath *path,
*/
void
clutter_path_add_line_to (ClutterPath *path,
gint x,
gint y)
gfloat x,
gfloat y)
{
g_return_if_fail (CLUTTER_IS_PATH (path));
@ -447,8 +456,8 @@ clutter_path_add_line_to (ClutterPath *path,
*/
void
clutter_path_add_rel_line_to (ClutterPath *path,
gint x,
gint y)
gfloat x,
gfloat y)
{
g_return_if_fail (CLUTTER_IS_PATH (path));
@ -473,12 +482,12 @@ clutter_path_add_rel_line_to (ClutterPath *path,
*/
void
clutter_path_add_curve_to (ClutterPath *path,
gint x_1,
gint y_1,
gint x_2,
gint y_2,
gint x_3,
gint y_3)
gfloat x_1,
gfloat y_1,
gfloat x_2,
gfloat y_2,
gfloat x_3,
gfloat y_3)
{
g_return_if_fail (CLUTTER_IS_PATH (path));
@ -505,12 +514,12 @@ clutter_path_add_curve_to (ClutterPath *path,
*/
void
clutter_path_add_rel_curve_to (ClutterPath *path,
gint x_1,
gint y_1,
gint x_2,
gint y_2,
gint x_3,
gint y_3)
gfloat x_1,
gfloat y_1,
gfloat x_2,
gfloat y_2,
gfloat x_3,
gfloat y_3)
{
g_return_if_fail (CLUTTER_IS_PATH (path));
@ -541,9 +550,10 @@ clutter_path_add_close (ClutterPath *path)
static gboolean
clutter_path_parse_number (const gchar **pin,
gboolean allow_comma,
gint *ret)
gfloat *ret)
{
gint val = 0;
gint fract = 0;
gboolean negative = FALSE;
gint digit_count = 0;
const gchar *p = *pin;
@ -588,6 +598,7 @@ clutter_path_parse_number (const gchar **pin,
digit_count = 0;
while (clutter_path_isdigit (*p))
{
fract = fract * 10.0 + *p - '0';
digit_count++;
p++;
}
@ -600,6 +611,12 @@ clutter_path_parse_number (const gchar **pin,
*pin = p;
*ret = negative ? -val : val;
/* Adding fractional part */
if (fract != 0)
{
*ret += (gfloat) fract / pow (10, digit_count);
}
return TRUE;
}
@ -1236,7 +1253,7 @@ clutter_path_get_description (ClutterPath *path)
g_string_append_c (str, letter);
for (i = 0; i < params; i++)
g_string_append_printf (str, " %i %i",
g_string_append_printf (str, " %f %f",
node->k.points[i].x,
node->k.points[i].y);
}
@ -1245,8 +1262,8 @@ clutter_path_get_description (ClutterPath *path)
}
static guint
clutter_path_node_distance (const ClutterKnot *start,
const ClutterKnot *end)
clutter_path_node_distance (const ClutterPoint *start,
const ClutterPoint *end)
{
gint64 x_d, y_d;
float t;
@ -1254,7 +1271,7 @@ clutter_path_node_distance (const ClutterKnot *start,
g_return_val_if_fail (start != NULL, 0);
g_return_val_if_fail (end != NULL, 0);
if (clutter_knot_equal (start, end))
if (clutter_point_equals (start, end))
return 0;
x_d = end->x - start->x;
@ -1274,9 +1291,9 @@ clutter_path_ensure_node_data (ClutterPath *path)
if (priv->nodes_dirty)
{
GSList *l;
ClutterKnot last_position = { 0, 0 };
ClutterKnot loop_start = { 0, 0 };
ClutterKnot points[3];
ClutterPoint last_position = { 0, 0 };
ClutterPoint loop_start = { 0, 0 };
ClutterPoint points[3];
priv->total_length = 0;
@ -1340,7 +1357,7 @@ clutter_path_ensure_node_data (ClutterPath *path)
}
}
else
memcpy (points, node->k.points, sizeof (ClutterKnot) * 3);
memcpy (points, node->k.points, sizeof (ClutterPoint) * 3);
_clutter_bezier_init (node->bezier,
last_position.x, last_position.y,
@ -1387,9 +1404,9 @@ clutter_path_ensure_node_data (ClutterPath *path)
*
*/
guint
clutter_path_get_position (ClutterPath *path,
gdouble progress,
ClutterKnot *position)
clutter_path_get_position (ClutterPath *path,
gdouble progress,
ClutterPoint *position)
{
ClutterPathPrivate *priv;
GSList *l;
@ -1407,7 +1424,7 @@ clutter_path_get_position (ClutterPath *path,
something better */
if (priv->nodes == NULL)
{
memset (position, 0, sizeof (ClutterKnot));
memset (position, 0, sizeof (ClutterPoint));
return 0;
}