1034 lines
25 KiB
C
1034 lines
25 KiB
C
#include "evas_common.h"
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#include "evas_private.h"
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#include <math.h>
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static void
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_evas_map_calc_geom_change(Evas_Object *obj)
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{
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int is, was = 0, pass = 0;
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evas_object_change(obj);
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evas_object_clip_dirty(obj);
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if (obj->layer->evas->events_frozen <= 0)
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{
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evas_object_recalc_clippees(obj);
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if (!pass)
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{
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if (!obj->smart.smart)
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{
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is = evas_object_is_in_output_rect(obj,
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obj->layer->evas->pointer.x,
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obj->layer->evas->pointer.y, 1, 1);
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if ((is ^ was) && obj->cur.visible)
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evas_event_feed_mouse_move(obj->layer->evas,
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obj->layer->evas->pointer.x,
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obj->layer->evas->pointer.y,
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obj->layer->evas->last_timestamp,
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NULL);
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}
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}
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}
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evas_object_inform_call_move(obj);
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evas_object_inform_call_resize(obj);
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}
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static void
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_evas_map_calc_map_geometry(Evas_Object *obj)
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{
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Evas_Coord x1, x2, y1, y2;
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const Evas_Map_Point *p, *p_end;
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Eina_Bool ch = EINA_FALSE;
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if (!obj->cur.map) return;
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// WARN: Do not merge below code to SLP until it is fixed.
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// It has an infinite loop bug.
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if (obj->prev.map)
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{
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// FIXME: this causes an infinite loop somewhere... hard to debug
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if (obj->prev.map->count == obj->cur.map->count)
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{
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const Evas_Map_Point *p2;
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p = obj->cur.map->points;
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p_end = p + obj->cur.map->count;
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p2 = obj->prev.map->points;
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for (; p < p_end; p++, p2++)
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{
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if ((p->a != p2->a) ||
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(p->r != p2->r) ||
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(p->g != p2->g) ||
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(p->b != p2->b))
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{
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ch = 1;
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break;
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}
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if ((p->x != p2->x) ||
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(p->y != p2->y) ||
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(p->z != p2->z))
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{
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ch = 1;
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break;
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}
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}
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}
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else
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ch = 1;
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}
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else
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ch = 1;
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p = obj->cur.map->points;
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p_end = p + obj->cur.map->count;
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x1 = x2 = lround(p->x);
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y1 = y2 = lround(p->y);
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p++;
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for (; p < p_end; p++)
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{
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Evas_Coord x, y;
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x = lround(p->x);
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y = lround(p->y);
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if (x < x1) x1 = x;
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if (x > x2) x2 = x;
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if (y < y1) y1 = y;
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if (y > y2) y2 = y;
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}
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// this causes clip-out bugs now mapped objs canbe opaque!!!
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// // add 1 pixel of fuzz around the map region to ensure updates are correct
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// x1 -= 1; y1 -= 1;
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// x2 += 1; y2 += 1;
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if (obj->cur.map->normal_geometry.x != x1) ch = 1;
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if (obj->cur.map->normal_geometry.y != y1) ch = 1;
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if (obj->cur.map->normal_geometry.w != (x2 - x1)) ch = 1;
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if (obj->cur.map->normal_geometry.h != (y2 - y1)) ch = 1;
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obj->cur.map->normal_geometry.x = x1;
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obj->cur.map->normal_geometry.y = y1;
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obj->cur.map->normal_geometry.w = (x2 - x1);
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obj->cur.map->normal_geometry.h = (y2 - y1);
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if (ch) _evas_map_calc_geom_change(obj);
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}
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static inline Evas_Map *
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_evas_map_new(int count)
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{
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int i;
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int alloc;
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Evas_Map *m;
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/* Adjust allocation such that: at least 4 points, and always an even
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* number: this allows the software engine to work efficiently */
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alloc = (count < 4) ? 4 : count;
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if (alloc & 0x1) alloc ++;
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m = calloc(1, sizeof(Evas_Map) + (alloc * sizeof(Evas_Map_Point)));
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if (!m) return NULL;
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m->count = count;
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m->persp.foc = 0;
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m->alpha = 1;
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m->smooth = 1;
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m->magic = MAGIC_MAP;
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for (i = 0; i < count; i++)
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{
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m->points[i].r = 255;
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m->points[i].g = 255;
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m->points[i].b = 255;
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m->points[i].a = 255;
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}
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return m;
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}
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static inline Eina_Bool
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_evas_map_copy(Evas_Map *dst, const Evas_Map *src)
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{
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if (dst->count != src->count)
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{
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ERR("cannot copy map of different sizes: dst=%i, src=%i", dst->count, src->count);
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return EINA_FALSE;
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}
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memcpy(dst->points, src->points, src->count * sizeof(Evas_Map_Point));
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dst->smooth = src->smooth;
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dst->alpha = src->alpha;
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dst->persp = src->persp;
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return EINA_TRUE;
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}
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static inline Evas_Map *
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_evas_map_dup(const Evas_Map *orig)
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{
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Evas_Map *copy = _evas_map_new(orig->count);
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if (!copy) return NULL;
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memcpy(copy->points, orig->points, orig->count * sizeof(Evas_Map_Point));
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copy->smooth = orig->smooth;
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copy->alpha = orig->alpha;
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copy->persp = orig->persp;
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return copy;
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}
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static inline void
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_evas_map_free(Evas_Object *obj, Evas_Map *m)
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{
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if (obj)
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{
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if (m->surface)
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obj->layer->evas->engine.func->image_map_surface_free
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(obj->layer->evas->engine.data.output, m->surface);
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}
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m->magic = 0;
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free(m);
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}
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/****************************************************************************/
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/* util functions for manipulating maps, so you don't need to know the math */
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/****************************************************************************/
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static inline void
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_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)
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{
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Evas_Map_Point *p = m->points;
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int i;
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p[0].x = x;
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p[0].y = y;
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p[0].z = z;
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p[0].u = 0.0;
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p[0].v = 0.0;
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p[1].x = x + w;
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p[1].y = y;
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p[1].z = z;
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p[1].u = w;
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p[1].v = 0.0;
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p[2].x = x + w;
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p[2].y = y + h;
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p[2].z = z;
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p[2].u = w;
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p[2].v = h;
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p[3].x = x;
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p[3].y = y + h;
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p[3].z = z;
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p[3].u = 0.0;
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p[3].v = h;
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for (i = 0; i < 4; i++)
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{
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p[i].px = p[i].x;
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p[i].py = p[i].y;
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}
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}
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Eina_Bool
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evas_map_coords_get(const Evas_Map *m, Evas_Coord x, Evas_Coord y,
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Evas_Coord *mx, Evas_Coord *my, int grab)
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{
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MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
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return EINA_FALSE;
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MAGIC_CHECK_END();
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int i, j, edges, edge[m->count][2], douv;
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Evas_Coord xe[2];
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double u[2] = { 0.0, 0.0 };
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double v[2] = { 0.0, 0.0 };
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if (m->count < 4) return 0;
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// FIXME need to handle grab mode and extrapolte coords outside
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// map
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if (grab)
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{
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Evas_Coord ymin, ymax;
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ymin = m->points[0].y;
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ymax = m->points[0].y;
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for (i = 1; i < m->count; i++)
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{
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if (m->points[i].y < ymin) ymin = m->points[i].y;
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else if (m->points[i].y > ymax) ymax = m->points[i].y;
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}
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if (y <= ymin) y = ymin + 1;
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if (y >= ymax) y = ymax - 1;
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}
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edges = 0;
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for (i = 0; i < m->count; i++)
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{
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j = (i + 1) % m->count;
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if ((m->points[i].y <= y) && (m->points[j].y > y))
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{
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edge[edges][0] = i;
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edge[edges][1] = j;
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edges++;
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}
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else if ((m->points[j].y <= y) && (m->points[i].y > y))
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{
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edge[edges][0] = j;
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edge[edges][1] = i;
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edges++;
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}
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}
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douv = 0;
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if ((mx) || (my)) douv = 1;
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for (i = 0; i < (edges - 1); i+= 2)
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{
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Evas_Coord yp, yd;
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j = i + 1;
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yd = m->points[edge[i][1]].y - m->points[edge[i][0]].y;
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if (yd > 0)
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{
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yp = y - m->points[edge[i][0]].y;
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xe[0] = m->points[edge[i][1]].x - m->points[edge[i][0]].x;
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xe[0] = m->points[edge[i][0]].x + ((xe[0] * yp) / yd);
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if (douv)
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{
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u[0] = m->points[edge[i][1]].u - m->points[edge[i][0]].u;
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u[0] = m->points[edge[i][0]].u + ((u[0] * yp) / yd);
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v[0] = m->points[edge[i][1]].v - m->points[edge[i][0]].v;
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v[0] = m->points[edge[i][0]].v + ((v[0] * yp) / yd);
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}
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}
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else
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{
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xe[0] = m->points[edge[i][0]].x;
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if (douv)
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{
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u[0] = m->points[edge[i][0]].u;
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v[0] = m->points[edge[i][0]].v;
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}
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}
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yd = m->points[edge[j][1]].y - m->points[edge[j][0]].y;
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if (yd > 0)
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{
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yp = y - m->points[edge[j][0]].y;
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xe[1] = m->points[edge[j][1]].x - m->points[edge[j][0]].x;
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xe[1] = m->points[edge[j][0]].x + ((xe[1] * yp) / yd);
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if (douv)
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{
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u[1] = m->points[edge[j][1]].u - m->points[edge[j][0]].u;
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u[1] = m->points[edge[j][0]].u + ((u[1] * yp) / yd);
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v[1] = m->points[edge[j][1]].v - m->points[edge[j][0]].v;
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v[1] = m->points[edge[j][0]].v + ((v[1] * yp) / yd);
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}
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}
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else
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{
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xe[1] = m->points[edge[j][0]].x;
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if (douv)
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{
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u[1] = m->points[edge[j][0]].u;
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v[1] = m->points[edge[j][0]].v;
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}
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}
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if (xe[0] > xe[1])
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{
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int ti;
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ti = xe[0]; xe[0] = xe[1]; xe[1] = ti;
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if (douv)
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{
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double td;
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td = u[0]; u[0] = u[1]; u[1] = td;
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td = v[0]; v[0] = v[1]; v[1] = td;
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}
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}
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if ((x >= xe[0]) && (x < xe[1]))
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{
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if (douv)
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{
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if (mx)
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*mx = u[0] + (((x - xe[0]) * (u[1] - u[0])) /
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(xe[1] - xe[0]));
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if (my)
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*my = v[0] + (((x - xe[0]) * (v[1] - v[0])) /
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(xe[1] - xe[0]));
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}
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return EINA_TRUE;
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}
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if (grab)
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{
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if (douv)
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{
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if (mx)
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*mx = u[0] + (((x - xe[0]) * (u[1] - u[0])) /
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(xe[1] - xe[0]));
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if (my)
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*my = v[0] + (((x - xe[0]) * (v[1] - v[0])) /
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(xe[1] - xe[0]));
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}
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return EINA_TRUE;
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}
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}
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return EINA_FALSE;
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}
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Eina_Bool
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evas_map_inside_get(const Evas_Map *m, Evas_Coord x, Evas_Coord y)
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{
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return evas_map_coords_get(m, x, y, NULL, NULL, 0);
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}
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EAPI void
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evas_object_map_enable_set(Evas_Object *obj, Eina_Bool enabled)
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{
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MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
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return;
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MAGIC_CHECK_END();
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enabled = !!enabled;
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if (obj->cur.usemap == enabled) return;
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obj->cur.usemap = enabled;
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if (enabled)
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{
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if (!obj->cur.map)
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obj->cur.map = _evas_map_new(4);
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evas_object_mapped_clip_across_mark(obj);
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// obj->cur.map->normal_geometry = obj->cur.geometry;
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}
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else
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{
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if (obj->cur.map)
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{
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_evas_map_calc_geom_change(obj);
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evas_object_mapped_clip_across_mark(obj);
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//FIXME: Since the last frame is not updated when map is
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//disabled, afterimage problem is happened in s/w rendering.
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//Need to find out the fundamental reason then fix it.
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evas_damage_rectangle_add(obj->layer->evas,
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0,
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0,
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obj->layer->evas->output.w,
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obj->layer->evas->output.h);
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}
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}
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_evas_map_calc_map_geometry(obj);
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/* This is a bit heavy handed, but it fixes the case of same geometry, but
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* changed colour or UV settings. */
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evas_object_change(obj);
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}
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EAPI Eina_Bool
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evas_object_map_enable_get(const Evas_Object *obj)
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{
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MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
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return EINA_FALSE;
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MAGIC_CHECK_END();
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return obj->cur.usemap;
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}
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EAPI void
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evas_object_map_source_set(Evas_Object *obj, Evas_Object *src)
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{
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MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
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return;
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MAGIC_CHECK_END();
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(void)src; /* method still needs to be implemented. */
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}
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EAPI Evas_Object *
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evas_object_map_source_get(const Evas_Object *obj)
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{
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MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
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return NULL;
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MAGIC_CHECK_END();
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return NULL;
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}
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EAPI void
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evas_object_map_set(Evas_Object *obj, const Evas_Map *map)
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{
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MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
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return;
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MAGIC_CHECK_END();
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if (!map)
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{
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if (obj->cur.map)
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{
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if (obj->cur.map->surface)
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{
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obj->layer->evas->engine.func->image_map_surface_free
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(obj->layer->evas->engine.data.output,
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obj->cur.map->surface);
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obj->cur.map->surface = NULL;
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}
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obj->prev.geometry = obj->cur.map->normal_geometry;
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if (!obj->prev.map)
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{
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_evas_map_free(obj, obj->cur.map);
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obj->cur.map = NULL;
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evas_object_mapped_clip_across_mark(obj);
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return;
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}
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_evas_map_free(obj, obj->cur.map);
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obj->cur.map = NULL;
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if (!obj->cur.usemap) _evas_map_calc_geom_change(obj);
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else _evas_map_calc_map_geometry(obj);
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if (obj->cur.usemap)
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{
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evas_object_mapped_clip_across_mark(obj);
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//FIXME: Since the last frame is not updated when map is
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//disabled, afterimage problem is happened in s/w
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//rendering. Need to find out the fundamental reason
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//then fix it.
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evas_damage_rectangle_add(obj->layer->evas,
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0,
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0,
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obj->layer->evas->output.w,
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obj->layer->evas->output.h);
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}
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}
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return;
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}
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if ((obj->cur.map) && (obj->cur.map->count == map->count))
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{
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Evas_Map *omap = obj->cur.map;
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obj->cur.map = _evas_map_new(map->count);
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memcpy(obj->cur.map, omap, sizeof(Evas_Map) + (map->count * sizeof(Evas_Map_Point)));
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_evas_map_copy(obj->cur.map, map);
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if (obj->prev.map == omap) obj->prev.map = NULL;
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free(omap);
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}
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else
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|
{
|
|
if (obj->cur.map) evas_map_free(obj->cur.map);
|
|
obj->cur.map = _evas_map_dup(map);
|
|
if (obj->cur.usemap)
|
|
evas_object_mapped_clip_across_mark(obj);
|
|
}
|
|
_evas_map_calc_map_geometry(obj);
|
|
}
|
|
|
|
EAPI const Evas_Map *
|
|
evas_object_map_get(const Evas_Object *obj)
|
|
{
|
|
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
|
|
return NULL;
|
|
MAGIC_CHECK_END();
|
|
|
|
return obj->cur.map;
|
|
}
|
|
|
|
EAPI Evas_Map *
|
|
evas_map_new(int count)
|
|
{
|
|
if (count != 4)
|
|
{
|
|
ERR("map point count (%i) != 4 is unsupported!", count);
|
|
return NULL;
|
|
}
|
|
|
|
return _evas_map_new(count);
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_smooth_set(Evas_Map *m, Eina_Bool enabled)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
m->smooth = enabled;
|
|
}
|
|
|
|
EAPI Eina_Bool
|
|
evas_map_smooth_get(const Evas_Map *m)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return EINA_FALSE;
|
|
MAGIC_CHECK_END();
|
|
|
|
return m->smooth;
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_alpha_set(Evas_Map *m, Eina_Bool enabled)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
m->alpha = enabled;
|
|
}
|
|
|
|
EAPI Eina_Bool
|
|
evas_map_alpha_get(const Evas_Map *m)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return EINA_FALSE;
|
|
MAGIC_CHECK_END();
|
|
|
|
return m->alpha;
|
|
}
|
|
|
|
EAPI Evas_Map *
|
|
evas_map_dup(const Evas_Map *m)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return NULL;
|
|
MAGIC_CHECK_END();
|
|
|
|
return _evas_map_dup(m);
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_free(Evas_Map *m)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
_evas_map_free(NULL, m);
|
|
}
|
|
|
|
EAPI int
|
|
evas_map_count_get(const Evas_Map *m)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return -1;
|
|
MAGIC_CHECK_END();
|
|
|
|
return m->count;
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_point_coord_set(Evas_Map *m, int idx, Evas_Coord x, Evas_Coord y, Evas_Coord z)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
Evas_Map_Point *p;
|
|
|
|
if (idx >= m->count) return;
|
|
p = m->points + idx;
|
|
p->x = p->px = x;
|
|
p->y = p->py = y;
|
|
p->z = z;
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_point_coord_get(const Evas_Map *m, int idx, Evas_Coord *x, Evas_Coord *y, Evas_Coord *z)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
goto error;
|
|
MAGIC_CHECK_END();
|
|
|
|
const Evas_Map_Point *p;
|
|
|
|
if (idx >= m->count) goto error;
|
|
p = m->points + idx;
|
|
if (x) *x = p->x;
|
|
if (y) *y = p->y;
|
|
if (z) *z = p->z;
|
|
return;
|
|
|
|
error:
|
|
if (x) *x = 0;
|
|
if (y) *y = 0;
|
|
if (z) *z = 0;
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_point_image_uv_set(Evas_Map *m, int idx, double u, double v)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
Evas_Map_Point *p;
|
|
|
|
if (idx >= m->count) return;
|
|
p = m->points + idx;
|
|
p->u = u;
|
|
p->v = v;
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_point_image_uv_get(const Evas_Map *m, int idx, double *u, double *v)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
goto error;
|
|
MAGIC_CHECK_END();
|
|
|
|
const Evas_Map_Point *p;
|
|
|
|
if (idx >= m->count) goto error;
|
|
p = m->points + idx;
|
|
if (u) *u = p->u;
|
|
if (v) *v = p->v;
|
|
return;
|
|
|
|
error:
|
|
if (u) *u = 0.0;
|
|
if (v) *v = 0.0;
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_point_color_set(Evas_Map *m, int idx, int r, int g, int b, int a)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
Evas_Map_Point *p;
|
|
|
|
if (idx >= m->count) return;
|
|
p = m->points + idx;
|
|
p->r = r;
|
|
p->g = g;
|
|
p->b = b;
|
|
p->a = a;
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_point_color_get(const Evas_Map *m, int idx, int *r, int *g, int *b, int *a)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
const Evas_Map_Point *p;
|
|
|
|
if (idx >= m->count) return;
|
|
p = m->points + idx;
|
|
if (r) *r = p->r;
|
|
if (g) *g = p->g;
|
|
if (b) *b = p->b;
|
|
if (a) *a = p->a;
|
|
}
|
|
|
|
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->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);
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_util_points_populate_from_object(Evas_Map *m, const Evas_Object *obj)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
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);
|
|
}
|
|
|
|
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)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
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);
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_util_points_color_set(Evas_Map *m, int r, int g, int b, int a)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
Evas_Map_Point *p, *p_end;
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_util_rotate(Evas_Map *m, double degrees, Evas_Coord cx, Evas_Coord cy)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
double r = (degrees * M_PI) / 180.0;
|
|
Evas_Map_Point *p, *p_end;
|
|
|
|
p = m->points;
|
|
p_end = p + m->count;
|
|
|
|
for (; p < p_end; p++)
|
|
{
|
|
double x, y, xx, yy;
|
|
|
|
x = p->x - cx;
|
|
y = p->y - cy;
|
|
|
|
xx = x * cos(r);
|
|
yy = x * sin(r);
|
|
x = xx - (y * sin(r));
|
|
y = yy + (y * cos(r));
|
|
|
|
p->px = p->x = x + cx;
|
|
p->py = p->y = y + cy;
|
|
}
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_util_zoom(Evas_Map *m, double zoomx, double zoomy, Evas_Coord cx, Evas_Coord cy)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
Evas_Map_Point *p, *p_end;
|
|
|
|
p = m->points;
|
|
p_end = p + m->count;
|
|
|
|
for (; p < p_end; p++)
|
|
{
|
|
double x, y;
|
|
|
|
x = p->x - cx;
|
|
y = p->y - cy;
|
|
|
|
x = (((double)x) * zoomx);
|
|
y = (((double)y) * zoomy);
|
|
|
|
p->px = p->x = x + cx;
|
|
p->py = p->y = y + cy;
|
|
}
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_util_3d_rotate(Evas_Map *m, double dx, double dy, double dz,
|
|
Evas_Coord cx, Evas_Coord cy, Evas_Coord cz)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
double rz = (dz * M_PI) / 180.0;
|
|
double rx = (dx * M_PI) / 180.0;
|
|
double ry = (dy * M_PI) / 180.0;
|
|
Evas_Map_Point *p, *p_end;
|
|
|
|
p = m->points;
|
|
p_end = p + m->count;
|
|
|
|
for (; p < p_end; p++)
|
|
{
|
|
double x, y, z, xx, yy, zz;
|
|
|
|
x = p->x - cx;
|
|
y = p->y - cy;
|
|
z = p->z - cz;
|
|
|
|
if (rz != 0.0)
|
|
{
|
|
xx = x * cos(rz);
|
|
yy = x * sin(rz);
|
|
x = xx - (y * sin(rz));
|
|
y = yy + (y * cos(rz));
|
|
}
|
|
|
|
if (ry != 0.0)
|
|
{
|
|
xx = x * cos(ry);
|
|
zz = x * sin(ry);
|
|
x = xx - (z * sin(ry));
|
|
z = zz + (z * cos(ry));
|
|
}
|
|
|
|
if (rx != 0.0)
|
|
{
|
|
zz = z * cos(rx);
|
|
yy = z * sin(rx);
|
|
z = zz - (y * sin(rx));
|
|
y = yy + (y * cos(rx));
|
|
}
|
|
|
|
p->px = p->x = x + cx;
|
|
p->py = p->y = y + cy;
|
|
p->z = z + cz;
|
|
}
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_util_3d_lighting(Evas_Map *m,
|
|
Evas_Coord lx, Evas_Coord ly, Evas_Coord lz,
|
|
int lr, int lg, int lb, int ar, int ag, int ab)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
int i;
|
|
|
|
for (i = 0; i < m->count; i++)
|
|
{
|
|
double x, y, z;
|
|
double nx, ny, nz, x1, y1, z1, x2, y2, z2, ln, br;
|
|
int h, j, mr, mg, mb;
|
|
|
|
x = m->points[i].x;
|
|
y = m->points[i].y;
|
|
z = m->points[i].z;
|
|
// calc normal
|
|
h = (i - 1 + 4) % 4 + (i & ~0x3); // prev point
|
|
j = (i + 1) % 4 + (i & ~0x3); // next point
|
|
|
|
x1 = m->points[h].x - x;
|
|
y1 = m->points[h].y - y;
|
|
z1 = m->points[h].z - z;
|
|
|
|
x2 = m->points[j].x - x;
|
|
y2 = m->points[j].y - y;
|
|
z2 = m->points[j].z - z;
|
|
nx = (y1 * z2) - (z1 * y2);
|
|
ny = (z1 * x2) - (x1 * z2);
|
|
nz = (x1 * y2) - (y1 * x2);
|
|
|
|
ln = (nx * nx) + (ny * ny) + (nz * nz);
|
|
ln = sqrt(ln);
|
|
|
|
if (ln != 0.0)
|
|
{
|
|
nx /= ln;
|
|
ny /= ln;
|
|
nz /= ln;
|
|
}
|
|
|
|
// calc point -> light vector
|
|
x = lx - x;
|
|
y = ly - y;
|
|
z = lz - z;
|
|
|
|
ln = (x * x) + (y * y) + (z * z);
|
|
ln = sqrt(ln);
|
|
|
|
if (ln != 0.0)
|
|
{
|
|
x /= ln;
|
|
y /= ln;
|
|
z /= ln;
|
|
}
|
|
|
|
// brightness - tan (0.0 -> 1.0 brightness really)
|
|
br = (nx * x) + (ny * y) + (nz * z);
|
|
if (br < 0.0) br = 0.0;
|
|
|
|
mr = ar + ((lr - ar) * br);
|
|
mg = ag + ((lg - ag) * br);
|
|
mb = ab + ((lb - ab) * br);
|
|
if (m->points[i].a != 255)
|
|
{
|
|
mr = (mr * m->points[i].a) / 255;
|
|
mg = (mg * m->points[i].a) / 255;
|
|
mb = (mb * m->points[i].a) / 255;
|
|
}
|
|
m->points[i].r = (m->points[i].r * mr) / 255;
|
|
m->points[i].g = (m->points[i].g * mg) / 255;
|
|
m->points[i].b = (m->points[i].b * mb) / 255;
|
|
}
|
|
}
|
|
|
|
EAPI void
|
|
evas_map_util_3d_perspective(Evas_Map *m,
|
|
Evas_Coord px, Evas_Coord py,
|
|
Evas_Coord z0, Evas_Coord foc)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return;
|
|
MAGIC_CHECK_END();
|
|
|
|
Evas_Map_Point *p, *p_end;
|
|
|
|
p = m->points;
|
|
p_end = p + m->count;
|
|
|
|
m->persp.px = px;
|
|
m->persp.py = py;
|
|
m->persp.z0 = z0;
|
|
m->persp.foc = foc;
|
|
|
|
if (foc <= 0) return;
|
|
|
|
for (; p < p_end; p++)
|
|
{
|
|
double x, y, zz;
|
|
|
|
x = p->x - px;
|
|
y = p->y - py;
|
|
|
|
zz = ((p->z - z0) + foc);
|
|
|
|
if (zz > 0)
|
|
{
|
|
x = (x * foc) / zz;
|
|
y = (y * foc) / zz;
|
|
}
|
|
|
|
p->x = px + x;
|
|
p->y = py + y;
|
|
}
|
|
}
|
|
|
|
EAPI Eina_Bool
|
|
evas_map_util_clockwise_get(Evas_Map *m)
|
|
{
|
|
MAGIC_CHECK(m, Evas_Map, MAGIC_MAP);
|
|
return EINA_FALSE;
|
|
MAGIC_CHECK_END();
|
|
|
|
int i, j, k, count;
|
|
long long c;
|
|
|
|
if (m->count < 3) return EINA_FALSE;
|
|
|
|
count = 0;
|
|
for (i = 0; i < m->count; i++)
|
|
{
|
|
j = (i + 1) % m->count;
|
|
k = (i + 2) % m->count;
|
|
c =
|
|
((m->points[j].x - m->points[i].x) *
|
|
(m->points[k].y - m->points[j].y))
|
|
-
|
|
((m->points[j].y - m->points[i].y) *
|
|
(m->points[k].x - m->points[j].x));
|
|
if (c < 0) count--;
|
|
else if (c > 0) count++;
|
|
}
|
|
if (count > 0) return EINA_TRUE;
|
|
return EINA_FALSE;
|
|
}
|