mirror of
https://github.com/brl/mutter.git
synced 2024-09-20 14:35:48 -04:00
8d98c28dfa
* cairo-texture: [cairo-texture] Remove the construct only restriction on surface size [cairo-texture] Silently discard 0x0 surfaces Re-indent ClutterPath header Add a test case for the new cairo path functions Add clutter_path_to_cairo_path and clutter_path_add_cairo_path Warn instead of returning in the IN_PAINT check Small documentation fixes Print a warning when creating a cairo_t while painting Do not set the IN_PAINT flag inside the Stage paint Set the IN_PAINT private flag [docs] Add ClutterCairoTexture to the API reference Add ClutterCairoTexture Require Cairo as a Clutter dependency Conflicts: Fix merge conflict in clutter/clutter-path.h
705 lines
17 KiB
C
705 lines
17 KiB
C
#include <clutter/clutter.h>
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#include <cairo/cairo.h>
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#include <string.h>
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#include <math.h>
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#include "test-conform-common.h"
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#define MAX_NODES 128
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#define FLOAT_FUZZ_AMOUNT 5.0f
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typedef struct _CallbackData CallbackData;
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typedef gboolean (* PathTestFunc) (CallbackData *data);
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static void compare_node (const ClutterPathNode *node, gpointer data_p);
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struct _CallbackData
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{
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ClutterPath *path;
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guint n_nodes;
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ClutterPathNode nodes[MAX_NODES];
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gboolean nodes_different;
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guint nodes_found;
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};
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static const char path_desc[] =
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"M 21 22 "
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"L 25 26 "
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"C 29 30 31 32 33 34 "
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"m 23 24 "
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"l 27 28 "
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"c 35 36 37 38 39 40 "
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"z";
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static const ClutterPathNode path_nodes[] =
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{ { CLUTTER_PATH_MOVE_TO, { { 21, 22 }, { 0, 0 }, { 0, 0 } } },
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{ CLUTTER_PATH_LINE_TO, { { 25, 26 }, { 0, 0 }, { 0, 0 } } },
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{ CLUTTER_PATH_CURVE_TO, { { 29, 30 }, { 31, 32 }, { 33, 34 } } },
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{ CLUTTER_PATH_REL_MOVE_TO, { { 23, 24 }, { 0, 0 }, { 0, 0 } } },
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{ CLUTTER_PATH_REL_LINE_TO, { { 27, 28 }, { 0, 0 }, { 0, 0 } } },
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{ CLUTTER_PATH_REL_CURVE_TO, { { 35, 36 }, { 37, 38 }, { 39, 40 } } },
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{ CLUTTER_PATH_CLOSE, { { 0, 0 }, { 0, 0 }, { 0, 0 } } } };
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static gboolean
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path_test_add_move_to (CallbackData *data)
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{
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ClutterPathNode node;
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node.type = CLUTTER_PATH_MOVE_TO;
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node.points[0].x = 1;
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node.points[0].y = 2;
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clutter_path_add_move_to (data->path, node.points[0].x, node.points[0].y);
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data->nodes[data->n_nodes++] = node;
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return TRUE;
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}
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static gboolean
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path_test_add_line_to (CallbackData *data)
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{
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ClutterPathNode node;
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node.type = CLUTTER_PATH_LINE_TO;
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node.points[0].x = 3;
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node.points[0].y = 4;
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clutter_path_add_line_to (data->path, node.points[0].x, node.points[0].y);
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data->nodes[data->n_nodes++] = node;
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return TRUE;
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}
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static gboolean
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path_test_add_curve_to (CallbackData *data)
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{
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ClutterPathNode node;
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node.type = CLUTTER_PATH_CURVE_TO;
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node.points[0].x = 5;
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node.points[0].y = 6;
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node.points[1].x = 7;
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node.points[1].y = 8;
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node.points[2].x = 9;
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node.points[2].y = 10;
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clutter_path_add_curve_to (data->path,
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node.points[0].x, node.points[0].y,
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node.points[1].x, node.points[1].y,
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node.points[2].x, node.points[2].y);
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data->nodes[data->n_nodes++] = node;
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return TRUE;
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}
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static gboolean
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path_test_add_close (CallbackData *data)
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{
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ClutterPathNode node;
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node.type = CLUTTER_PATH_CLOSE;
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clutter_path_add_close (data->path);
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data->nodes[data->n_nodes++] = node;
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return TRUE;
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}
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static gboolean
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path_test_add_rel_move_to (CallbackData *data)
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{
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ClutterPathNode node;
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node.type = CLUTTER_PATH_REL_MOVE_TO;
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node.points[0].x = 11;
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node.points[0].y = 12;
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clutter_path_add_rel_move_to (data->path, node.points[0].x, node.points[0].y);
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data->nodes[data->n_nodes++] = node;
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return TRUE;
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}
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static gboolean
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path_test_add_rel_line_to (CallbackData *data)
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{
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ClutterPathNode node;
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node.type = CLUTTER_PATH_REL_LINE_TO;
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node.points[0].x = 13;
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node.points[0].y = 14;
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clutter_path_add_rel_line_to (data->path, node.points[0].x, node.points[0].y);
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data->nodes[data->n_nodes++] = node;
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return TRUE;
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}
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static gboolean
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path_test_add_rel_curve_to (CallbackData *data)
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{
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ClutterPathNode node;
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node.type = CLUTTER_PATH_REL_CURVE_TO;
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node.points[0].x = 15;
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node.points[0].y = 16;
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node.points[1].x = 17;
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node.points[1].y = 18;
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node.points[2].x = 19;
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node.points[2].y = 20;
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clutter_path_add_rel_curve_to (data->path,
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node.points[0].x, node.points[0].y,
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node.points[1].x, node.points[1].y,
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node.points[2].x, node.points[2].y);
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data->nodes[data->n_nodes++] = node;
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return TRUE;
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}
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static gboolean
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path_test_add_string (CallbackData *data)
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{
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int i;
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for (i = 0; i < G_N_ELEMENTS (path_nodes); i++)
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data->nodes[data->n_nodes++] = path_nodes[i];
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clutter_path_add_string (data->path, path_desc);
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return TRUE;
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}
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static gboolean
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path_test_add_node_by_struct (CallbackData *data)
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{
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int i;
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for (i = 0; i < G_N_ELEMENTS (path_nodes); i++)
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{
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data->nodes[data->n_nodes++] = path_nodes[i];
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clutter_path_add_node (data->path, path_nodes + i);
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}
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return TRUE;
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}
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static gboolean
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path_test_get_n_nodes (CallbackData *data)
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{
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return clutter_path_get_n_nodes (data->path) == data->n_nodes;
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}
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static gboolean
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path_test_get_node (CallbackData *data)
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{
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int i;
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data->nodes_found = 0;
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data->nodes_different = FALSE;
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for (i = 0; i < data->n_nodes; i++)
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{
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ClutterPathNode node;
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clutter_path_get_node (data->path, i, &node);
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compare_node (&node, data);
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}
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return !data->nodes_different;
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}
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static gboolean
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path_test_get_nodes (CallbackData *data)
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{
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GSList *list, *node;
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data->nodes_found = 0;
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data->nodes_different = FALSE;
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list = clutter_path_get_nodes (data->path);
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for (node = list; node; node = node->next)
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compare_node (node->data, data);
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g_slist_free (list);
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return !data->nodes_different && data->nodes_found == data->n_nodes;
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}
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static gboolean
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path_test_insert_beginning (CallbackData *data)
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{
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ClutterPathNode node;
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node.type = CLUTTER_PATH_LINE_TO;
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node.points[0].x = 41;
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node.points[0].y = 42;
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memmove (data->nodes + 1, data->nodes,
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data->n_nodes++ * sizeof (ClutterPathNode));
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data->nodes[0] = node;
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clutter_path_insert_node (data->path, 0, &node);
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return TRUE;
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}
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static gboolean
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path_test_insert_end (CallbackData *data)
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{
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ClutterPathNode node;
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node.type = CLUTTER_PATH_LINE_TO;
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node.points[0].x = 43;
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node.points[0].y = 44;
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data->nodes[data->n_nodes++] = node;
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clutter_path_insert_node (data->path, -1, &node);
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return TRUE;
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}
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static gboolean
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path_test_insert_middle (CallbackData *data)
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{
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ClutterPathNode node;
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int pos = data->n_nodes / 2;
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node.type = CLUTTER_PATH_LINE_TO;
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node.points[0].x = 45;
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node.points[0].y = 46;
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memmove (data->nodes + pos + 1, data->nodes + pos,
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(data->n_nodes - pos) * sizeof (ClutterPathNode));
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data->nodes[pos] = node;
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data->n_nodes++;
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clutter_path_insert_node (data->path, pos, &node);
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return TRUE;
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}
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static gboolean
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path_test_clear (CallbackData *data)
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{
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clutter_path_clear (data->path);
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data->n_nodes = 0;
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return TRUE;
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}
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static gboolean
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path_test_clear_insert (CallbackData *data)
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{
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return path_test_clear (data) && path_test_insert_middle (data);
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}
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static gboolean
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path_test_remove_beginning (CallbackData *data)
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{
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memmove (data->nodes, data->nodes + 1,
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--data->n_nodes * sizeof (ClutterPathNode));
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clutter_path_remove_node (data->path, 0);
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return TRUE;
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}
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static gboolean
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path_test_remove_end (CallbackData *data)
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{
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clutter_path_remove_node (data->path, --data->n_nodes);
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return TRUE;
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}
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static gboolean
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path_test_remove_middle (CallbackData *data)
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{
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int pos = data->n_nodes / 2;
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memmove (data->nodes + pos, data->nodes + pos + 1,
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(--data->n_nodes - pos) * sizeof (ClutterPathNode));
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clutter_path_remove_node (data->path, pos);
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return TRUE;
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}
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static gboolean
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path_test_remove_only (CallbackData *data)
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{
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return path_test_clear (data)
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&& path_test_add_line_to (data)
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&& path_test_remove_beginning (data);
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}
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static gboolean
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path_test_replace (CallbackData *data)
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{
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ClutterPathNode node;
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int pos = data->n_nodes / 2;
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node.type = CLUTTER_PATH_LINE_TO;
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node.points[0].x = 47;
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node.points[0].y = 48;
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data->nodes[pos] = node;
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clutter_path_replace_node (data->path, pos, &node);
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return TRUE;
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}
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static gboolean
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path_test_set_description (CallbackData *data)
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{
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data->n_nodes = G_N_ELEMENTS (path_nodes);
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memcpy (data->nodes, path_nodes, sizeof (path_nodes));
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return clutter_path_set_description (data->path, path_desc);
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}
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static gboolean
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path_test_get_description (CallbackData *data)
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{
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char *desc1, *desc2;
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gboolean ret = TRUE;
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desc1 = clutter_path_get_description (data->path);
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clutter_path_clear (data->path);
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if (!clutter_path_set_description (data->path, desc1))
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ret = FALSE;
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desc2 = clutter_path_get_description (data->path);
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if (strcmp (desc1, desc2))
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ret = FALSE;
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g_free (desc1);
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g_free (desc2);
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return ret;
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}
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static gboolean
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path_test_convert_to_cairo_path (CallbackData *data)
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{
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cairo_surface_t *surface;
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cairo_t *cr;
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cairo_path_t *cpath;
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guint i, j;
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ClutterKnot path_start = { 0, 0 }, last_point = { 0, 0 };
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/* Create a temporary image surface and context to hold the cairo
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path */
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surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 10, 10);
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cr = cairo_create (surface);
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/* Convert to a cairo path */
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clutter_path_to_cairo_path (data->path, cr);
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/* Get a copy of the cairo path data */
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cpath = cairo_copy_path (cr);
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/* Convert back to a clutter path */
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clutter_path_clear (data->path);
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clutter_path_add_cairo_path (data->path, cpath);
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/* The relative nodes will have been converted to absolute so we
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need to reflect this in the node array for comparison */
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for (i = 0; i < data->n_nodes; i++)
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{
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switch (data->nodes[i].type)
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{
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case CLUTTER_PATH_MOVE_TO:
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path_start = last_point = data->nodes[i].points[0];
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break;
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case CLUTTER_PATH_LINE_TO:
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last_point = data->nodes[i].points[0];
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break;
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case CLUTTER_PATH_CURVE_TO:
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last_point = data->nodes[i].points[2];
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break;
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case CLUTTER_PATH_REL_MOVE_TO:
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last_point.x += data->nodes[i].points[0].x;
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last_point.y += data->nodes[i].points[0].y;
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data->nodes[i].points[0] = last_point;
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data->nodes[i].type = CLUTTER_PATH_MOVE_TO;
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path_start = last_point;
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break;
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case CLUTTER_PATH_REL_LINE_TO:
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last_point.x += data->nodes[i].points[0].x;
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last_point.y += data->nodes[i].points[0].y;
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data->nodes[i].points[0] = last_point;
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data->nodes[i].type = CLUTTER_PATH_LINE_TO;
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break;
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case CLUTTER_PATH_REL_CURVE_TO:
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for (j = 0; j < 3; j++)
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{
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data->nodes[i].points[j].x += last_point.x;
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data->nodes[i].points[j].y += last_point.y;
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}
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last_point = data->nodes[i].points[2];
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data->nodes[i].type = CLUTTER_PATH_CURVE_TO;
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break;
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case CLUTTER_PATH_CLOSE:
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last_point = path_start;
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/* Cairo always adds a move to after every close so we need
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to insert one here */
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memmove (data->nodes + i + 2, data->nodes + i + 1,
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(data->n_nodes - i - 1) * sizeof (ClutterPathNode));
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data->nodes[i + 1].type = CLUTTER_PATH_MOVE_TO;
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data->nodes[i + 1].points[0] = last_point;
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data->n_nodes++;
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break;
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}
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}
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/* Free the cairo resources */
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cairo_path_destroy (cpath);
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cairo_destroy (cr);
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cairo_surface_destroy (surface);
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return TRUE;
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}
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static gboolean
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float_fuzzy_equals (float fa, float fb)
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{
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return fabs (fa - fb) <= FLOAT_FUZZ_AMOUNT;
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}
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static void
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set_triangle_path (CallbackData *data)
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{
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/* Triangular shaped path hitting (0,0), (64,64) and (128,0) in four
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parts. The two curves are actually straight lines */
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static const ClutterPathNode nodes[] =
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{ { CLUTTER_PATH_MOVE_TO, { { 0, 0 } } },
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{ CLUTTER_PATH_LINE_TO, { { 32, 32 } } },
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{ CLUTTER_PATH_CURVE_TO, { { 40, 40 }, { 56, 56 }, { 64, 64 } } },
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{ CLUTTER_PATH_REL_CURVE_TO, { { 8, -8 }, { 24, -24 }, { 32, -32 } } },
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{ CLUTTER_PATH_REL_LINE_TO, { { 32, -32 } } } };
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gint i;
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clutter_path_clear (data->path);
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for (i = 0; i < G_N_ELEMENTS (nodes); i++)
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clutter_path_add_node (data->path, nodes + i);
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memcpy (data->nodes, nodes, sizeof (nodes));
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data->n_nodes = G_N_ELEMENTS (nodes);
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}
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static gboolean
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path_test_get_position (CallbackData *data)
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{
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static const float values[] = { 0.125f, 16.0f, 16.0f,
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0.375f, 48.0f, 48.0f,
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0.625f, 80.0f, 48.0f,
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0.875f, 112.0f, 16.0f };
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gint i;
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set_triangle_path (data);
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for (i = 0; i < G_N_ELEMENTS (values); i += 3)
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{
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ClutterKnot pos;
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clutter_path_get_position (data->path,
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values[i],
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&pos);
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if (!float_fuzzy_equals (values[i + 1], pos.x)
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|| !float_fuzzy_equals (values[i + 2], pos.y))
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
path_test_get_length (CallbackData *data)
|
|
{
|
|
const float actual_length /* sqrt(64**2 + 64**2) * 2 */ = 181.019336f;
|
|
guint approx_length;
|
|
|
|
set_triangle_path (data);
|
|
|
|
g_object_get (data->path, "length", &approx_length, NULL);
|
|
|
|
/* Allow 15% margin of error */
|
|
return fabs (approx_length - actual_length) / actual_length <= 0.15f;
|
|
}
|
|
|
|
static gboolean
|
|
path_test_boxed_type (CallbackData *data)
|
|
{
|
|
gboolean ret = TRUE;
|
|
GSList *nodes, *l;
|
|
GValue value;
|
|
|
|
nodes = clutter_path_get_nodes (data->path);
|
|
|
|
memset (&value, 0, sizeof (value));
|
|
|
|
for (l = nodes; l; l = l->next)
|
|
{
|
|
g_value_init (&value, CLUTTER_TYPE_PATH_NODE);
|
|
|
|
g_value_set_boxed (&value, l->data);
|
|
|
|
if (!clutter_path_node_equal (l->data,
|
|
g_value_get_boxed (&value)))
|
|
ret = FALSE;
|
|
|
|
g_value_unset (&value);
|
|
}
|
|
|
|
g_slist_free (nodes);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct
|
|
{
|
|
const char *desc;
|
|
PathTestFunc func;
|
|
}
|
|
path_tests[] =
|
|
{
|
|
{ "Add line to", path_test_add_line_to },
|
|
{ "Add move to", path_test_add_move_to },
|
|
{ "Add curve to", path_test_add_curve_to },
|
|
{ "Add close", path_test_add_close },
|
|
{ "Add relative line to", path_test_add_rel_line_to },
|
|
{ "Add relative move to", path_test_add_rel_move_to },
|
|
{ "Add relative curve to", path_test_add_rel_curve_to },
|
|
{ "Add string", path_test_add_string },
|
|
{ "Add node by struct", path_test_add_node_by_struct },
|
|
{ "Get number of nodes", path_test_get_n_nodes },
|
|
{ "Get a node", path_test_get_node },
|
|
{ "Get all nodes", path_test_get_nodes },
|
|
{ "Insert at beginning", path_test_insert_beginning },
|
|
{ "Insert at end", path_test_insert_end },
|
|
{ "Insert at middle", path_test_insert_middle },
|
|
{ "Add after insert", path_test_add_line_to },
|
|
{ "Clear then insert", path_test_clear_insert },
|
|
{ "Add string again", path_test_add_string },
|
|
{ "Remove from beginning", path_test_remove_beginning },
|
|
{ "Remove from end", path_test_remove_end },
|
|
{ "Remove from middle", path_test_remove_middle },
|
|
{ "Add after remove", path_test_add_line_to },
|
|
{ "Remove only node", path_test_remove_only },
|
|
{ "Add after remove again", path_test_add_line_to },
|
|
{ "Replace a node", path_test_replace },
|
|
{ "Set description", path_test_set_description },
|
|
{ "Get description", path_test_get_description },
|
|
{ "Convert to cairo path and back", path_test_convert_to_cairo_path },
|
|
{ "Clear", path_test_clear },
|
|
{ "Get position", path_test_get_position },
|
|
{ "Check node boxed type", path_test_boxed_type },
|
|
{ "Get length", path_test_get_length }
|
|
};
|
|
|
|
static void
|
|
compare_node (const ClutterPathNode *node, gpointer data_p)
|
|
{
|
|
CallbackData *data = data_p;
|
|
|
|
if (data->nodes_found >= data->n_nodes)
|
|
data->nodes_different = TRUE;
|
|
else
|
|
{
|
|
guint n_points = 0, i;
|
|
const ClutterPathNode *onode = data->nodes + data->nodes_found;
|
|
|
|
if (node->type != onode->type)
|
|
data->nodes_different = TRUE;
|
|
|
|
switch (node->type & ~CLUTTER_PATH_RELATIVE)
|
|
{
|
|
case CLUTTER_PATH_MOVE_TO: n_points = 1; break;
|
|
case CLUTTER_PATH_LINE_TO: n_points = 1; break;
|
|
case CLUTTER_PATH_CURVE_TO: n_points = 3; break;
|
|
case CLUTTER_PATH_CLOSE: n_points = 0; break;
|
|
|
|
default:
|
|
data->nodes_different = TRUE;
|
|
break;
|
|
}
|
|
|
|
for (i = 0; i < n_points; i++)
|
|
if (node->points[i].x != onode->points[i].x
|
|
|| node->points[i].y != onode->points[i].y)
|
|
{
|
|
data->nodes_different = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
data->nodes_found++;
|
|
}
|
|
|
|
static gboolean
|
|
compare_nodes (CallbackData *data)
|
|
{
|
|
data->nodes_different = FALSE;
|
|
data->nodes_found = 0;
|
|
|
|
clutter_path_foreach (data->path, compare_node, data);
|
|
|
|
return !data->nodes_different && data->nodes_found == data->n_nodes;
|
|
}
|
|
|
|
void
|
|
test_path (TestConformSimpleFixture *fixture,
|
|
gconstpointer _data)
|
|
{
|
|
CallbackData data;
|
|
gint i;
|
|
|
|
memset (&data, 0, sizeof (data));
|
|
|
|
data.path = clutter_path_new ();
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (path_tests); i++)
|
|
{
|
|
gboolean succeeded;
|
|
|
|
if (g_test_verbose ())
|
|
g_print ("%s... ", path_tests[i].desc);
|
|
|
|
succeeded = path_tests[i].func (&data) && compare_nodes (&data);
|
|
|
|
if (g_test_verbose ())
|
|
g_print ("%s\n", succeeded ? "ok" : "FAIL");
|
|
|
|
g_assert (succeeded);
|
|
}
|
|
|
|
g_object_unref (data.path);
|
|
}
|
|
|