* @see evas_map_dup()
* @see evas_map_point_coord_set()
* @see evas_map_point_image_uv_set()
+ * @see evas_map_util_points_populate_from_object_full()
+ * @see evas_map_util_points_populate_from_object()
*
* @see evas_object_map_set()
*/
*
* @see evas_map_util_rotate()
* @see evas_map_util_zoom()
+ * @see evas_map_util_points_populate_from_object_full()
+ * @see evas_map_util_points_populate_from_object()
*/
EAPI void
evas_map_point_coord_set(Evas_Map *m, int idx, Evas_Coord x, Evas_Coord y, Evas_Coord z)
*
* @see evas_map_point_coord_set()
* @see evas_object_map_set()
+ * @see evas_map_util_points_populate_from_object_full()
+ * @see evas_map_util_points_populate_from_object()
*/
EAPI void
evas_map_point_image_uv_set(Evas_Map *m, int idx, double u, double v)
* @param g green (0 - 255)
* @param b blue (0 - 255)
* @param a alpha (0 - 255)
- *
+ *
+ * @see evas_map_util_points_color_set()
* @see evas_map_point_coord_set()
* @see evas_object_map_set()
*/
/****************************************************************************/
/* util functions for manipulating maps, so you don't need to know the math */
/****************************************************************************/
+static inline void
+_evas_map_util_points_populate(Evas_Map *m, const Evas_Coord x, const Evas_Coord y, const Evas_Coord w, const Evas_Coord h, const Evas_Coord z)
+{
+ Evas_Map_Point *p = m->points;
+
+ p[0].x = x;
+ p[0].y = y;
+ p[0].x = z;
+ p[0].u = 0.0;
+ p[0].v = 0.0;
+
+ p[1].x = x + w;
+ p[1].y = y;
+ p[1].x = z;
+ p[1].u = w;
+ p[1].v = 0.0;
+
+ p[2].x = x + w;
+ p[2].y = y + h;
+ p[2].x = z;
+ p[2].u = w;
+ p[2].v = h;
+
+ p[3].x = x;
+ p[3].y = y + h;
+ p[3].x = z;
+ p[3].u = 0.0;
+ p[3].v = h;
+}
+
+/**
+ * Populate source and destination map points to match exactly object.
+ *
+ * Usually one initialize map of an object to match it's original
+ * position and size, then transform these with evas_map_util_*
+ * functions, such as evas_map_util_rotate() or
+ * evas_map_util_3d_rotate(). The original set is done by this
+ * function, avoiding code duplication all around.
+ *
+ * @param m map to change all 4 points (must be of size 4).
+ * @param obj object to use unmapped geometry to populate map coordinates.
+ * @param z Point Z Coordinate hint (pre-perspective transform). This value
+ * will be used for all four points.
+ *
+ * @see evas_map_util_points_populate_from_object()
+ * @see evas_map_point_coord_set()
+ * @see evas_map_point_image_uv_set()
+ */
+EAPI void
+evas_map_util_points_populate_from_object_full(Evas_Map *m, const Evas_Object *obj, Evas_Coord z)
+{
+ MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
+ return;
+ MAGIC_CHECK_END();
+ if (!m)
+ {
+ ERR("map == NULL");
+ return;
+ }
+ if (m->count != 4)
+ {
+ ERR("map has count=%d where 4 was expected.", m->count);
+ return;
+ }
+ _evas_map_util_points_populate(m, obj->cur.geometry.x, obj->cur.geometry.y,
+ obj->cur.geometry.w, obj->cur.geometry.h, z);
+}
+
+/**
+ * Populate source and destination map points to match exactly object.
+ *
+ * Usually one initialize map of an object to match it's original
+ * position and size, then transform these with evas_map_util_*
+ * functions, such as evas_map_util_rotate() or
+ * evas_map_util_3d_rotate(). The original set is done by this
+ * function, avoiding code duplication all around.
+ *
+ * Z Point coordinate is assumed as 0 (zero).
+ *
+ * @param m map to change all 4 points (must be of size 4).
+ * @param obj object to use unmapped geometry to populate map coordinates.
+ *
+ * @see evas_map_util_points_populate_from_object_full()
+ * @see evas_map_util_points_populate_from_geometry()
+ * @see evas_map_point_coord_set()
+ * @see evas_map_point_image_uv_set()
+ */
+EAPI void
+evas_map_util_points_populate_from_object(Evas_Map *m, const Evas_Object *obj)
+{
+ MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
+ return;
+ MAGIC_CHECK_END();
+ if (!m)
+ {
+ ERR("map == NULL");
+ return;
+ }
+ if (m->count != 4)
+ {
+ ERR("map has count=%d where 4 was expected.", m->count);
+ return;
+ }
+ _evas_map_util_points_populate(m, obj->cur.geometry.x, obj->cur.geometry.y,
+ obj->cur.geometry.w, obj->cur.geometry.h, 0);
+}
+
+/**
+ * Populate source and destination map points to match given geometry.
+ *
+ * Similar to evas_map_util_points_populate_from_object_full(), this
+ * call takes raw values instead of querying object's unmapped
+ * geometry. The given width will be used to calculate destination
+ * points (evas_map_point_coord_set()) and set the image uv
+ * (evas_map_point_image_uv_set()).
+ *
+ * @param m map to change all 4 points (must be of size 4).
+ * @param x Point X Coordinate
+ * @param y Point Y Coordinate
+ * @param w width to use to calculate second and third points.
+ * @param h height to use to calculate third and fourth points.
+ * @param z Point Z Coordinate hint (pre-perspective transform). This value
+ * will be used for all four points.
+ *
+ * @see evas_map_util_points_populate_from_object()
+ * @see evas_map_point_coord_set()
+ * @see evas_map_point_image_uv_set()
+ */
+EAPI void
+evas_map_util_points_populate_from_geometry(Evas_Map *m, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h, Evas_Coord z)
+{
+ if (!m)
+ {
+ ERR("map == NULL");
+ return;
+ }
+ if (m->count != 4)
+ {
+ ERR("map has count=%d where 4 was expected.", m->count);
+ return;
+ }
+ _evas_map_util_points_populate(m, x, y, w, h, z);
+}
+
+/**
+ * Set color of all points to given color.
+ *
+ * This call is useful to reuse maps after they had 3d lightning or
+ * any other colorization applied before.
+ *
+ * @param m map to change the color of.
+ * @param r red (0 - 255)
+ * @param g green (0 - 255)
+ * @param b blue (0 - 255)
+ * @param a alpha (0 - 255)
+ *
+ * @see evas_map_point_color_set()
+ */
+EAPI void
+evas_map_util_points_color_set(Evas_Map *m, int r, int g, int b, int a)
+{
+ Evas_Map_Point *p, *p_end;
+ if (!m)
+ {
+ ERR("map == NULL");
+ return;
+ }
+ p = m->points;
+ p_end = p + m->count;
+ for (; p < p_end; p++)
+ {
+ p->r = r;
+ p->g = g;
+ p->b = b;
+ p->a = a;
+ }
+}
/**
* Change the map to apply the given rotation.
projects / profile / ivi / evas.git / commitdiff