ED_uvedit.hh

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/* SPDX-FileCopyrightText: 2008 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "BLI_function_ref.hh"
 
#include "BKE_customdata.hh"
 
struct ARegion;
struct ARegionType;
struct BMEditMesh;
struct BMFace;
struct BMLoop;
struct BMesh;
struct Image;
struct ImageUser;
struct ListBase;
struct Main;
struct Object;
struct Scene;
struct SpaceImage;
struct ToolSettings;
struct View2D;
struct ViewLayer;
struct bContext;
struct bNode;
struct bNodeTree;
struct wmKeyConfig;
struct wmTimer;
 
/* `uvedit_ops.cc` */
 
void ED_operatortypes_uvedit();
void ED_operatormacros_uvedit();
void ED_keymap_uvedit(wmKeyConfig *keyconf);

void ED_uvedit_select_all(BMesh *bm);
 
void ED_uvedit_foreach_uv(const Scene *scene,
                          BMesh *bm,
                          const bool skip_invisible,
                          const bool selected,
                          blender::FunctionRef<void(float[2])> user_fn);
void ED_uvedit_foreach_uv_multi(const Scene *scene,
                                blender::Span<Object *> objects_edit,
                                const bool skip_invisible,
                                const bool skip_nonselected,
                                blender::FunctionRef<void(float[2])> user_fn);
bool ED_uvedit_minmax_multi(const Scene *scene,
                            blender::Span<Object *> objects_edit,
                            float r_min[2],
                            float r_max[2]);
bool ED_uvedit_center_multi(const Scene *scene,
                            blender::Span<Object *> objects_edit,
                            float r_cent[2],
                            char mode);
 
bool ED_uvedit_center_from_pivot_ex(SpaceImage *sima,
                                    Scene *scene,
                                    ViewLayer *view_layer,
                                    float r_center[2],
                                    char mode,
                                    bool *r_has_select);
 
bool ED_object_get_active_image(Object *ob,
                                int mat_nr,
                                Image **r_ima,
                                ImageUser **r_iuser,
                                const bNode **r_node,
                                const bNodeTree **r_ntree);
void ED_object_assign_active_image(Main *bmain, Object *ob, int mat_nr, Image *ima);
 
bool ED_uvedit_test(Object *obedit);
 
/* `uvedit_select.cc` */
 
/* Visibility and selection tests. */
 
bool uvedit_face_visible_test_ex(const ToolSettings *ts, const BMFace *efa);
bool uvedit_face_select_test_ex(const ToolSettings *ts,
                                const BMFace *efa,
                                const BMUVOffsets &offsets);
 
bool uvedit_edge_select_test_ex(const ToolSettings *ts,
                                const BMLoop *l,
                                const BMUVOffsets &offsets);
bool uvedit_uv_select_test_ex(const ToolSettings *ts, const BMLoop *l, const BMUVOffsets &offsets);
 
bool uvedit_face_visible_test(const Scene *scene, const BMFace *efa);
bool uvedit_face_select_test(const Scene *scene, const BMFace *efa, const BMUVOffsets &offsets);
bool uvedit_edge_select_test(const Scene *scene, const BMLoop *l, const BMUVOffsets &offsets);
bool uvedit_uv_select_test(const Scene *scene, const BMLoop *l, const BMUVOffsets &offsets);
 
/* Individual UV element selection functions. */

void uvedit_face_select_set(
    const Scene *scene, BMesh *bm, BMFace *efa, bool select, const BMUVOffsets &offsets);
void uvedit_edge_select_set(
    const Scene *scene, BMesh *bm, BMLoop *l, bool select, const BMUVOffsets &offsets);
void uvedit_uv_select_set(
    const Scene *scene, BMesh *bm, BMLoop *l, bool select, const BMUVOffsets &offsets);
 
/* Low level functions for (de)selecting individual UV elements. Ensure UV face visibility before
 * use. */
 
void uvedit_face_select_enable(const Scene *scene,
                               BMesh *bm,
                               BMFace *efa,
                               const BMUVOffsets &offsets);
void uvedit_face_select_disable(const Scene *scene,
                                BMesh *bm,
                                BMFace *efa,
                                const BMUVOffsets &offsets);
 
void uvedit_edge_select_enable(const Scene *scene,
                               BMesh *bm,
                               BMLoop *l,
                               const BMUVOffsets &offsets);
void uvedit_edge_select_disable(const Scene *scene,
                                BMesh *bm,
                                BMLoop *l,
                                const BMUVOffsets &offsets);
 
void uvedit_uv_select_enable(const Scene *scene, BMesh *bm, BMLoop *l, const BMUVOffsets &offsets);
void uvedit_uv_select_disable(const Scene *scene,
                              BMesh *bm,
                              BMLoop *l,
                              const BMUVOffsets &offsets);
 
/* Sticky mode UV element selection functions. */
 
void uvedit_face_select_set_with_sticky(
    const Scene *scene, BMesh *bm, BMFace *efa, bool select, const BMUVOffsets &offsets);
void uvedit_edge_select_set_with_sticky(
    const Scene *scene, BMesh *bm, BMLoop *l, bool select, const BMUVOffsets &offsets);
 
void uvedit_uv_select_set_with_sticky(
    const Scene *scene, BMesh *bm, BMLoop *l, bool select, const BMUVOffsets &offsets);
 
/* Low level functions for sticky element selection (sticky mode independent). Type of sticky
 * selection is specified explicitly (using sticky_flag, except for face selection). */
 
void uvedit_face_select_shared_vert(
    const Scene *scene, BMesh *bm, BMFace *efa, const bool select, const BMUVOffsets &offsets);
void uvedit_edge_select_shared_vert(const Scene *scene,
                                    BMesh *bm,
                                    BMLoop *l,
                                    const bool select,
                                    const int sticky_flag,
                                    const BMUVOffsets &offsets);
void uvedit_uv_select_shared_vert(const Scene *scene,
                                  BMesh *bm,
                                  BMLoop *l,
                                  const bool select,
                                  const int sticky_flag,
                                  const BMUVOffsets &offsets);

void uvedit_edge_select_set_noflush(const Scene *scene,
                                    BMLoop *l,
                                    const bool select,
                                    const int sticky_flag,
                                    const BMUVOffsets &offsets);

void ED_uvedit_selectmode_clean(const Scene *scene, Object *obedit);
void ED_uvedit_selectmode_clean_multi(bContext *C);
void ED_uvedit_sticky_selectmode_update(bContext *C);

void ED_uvedit_selectmode_flush(const Scene *scene, BMesh *bm);

void uvedit_deselect_flush(const Scene *scene, BMesh *bm);
void uvedit_select_flush(const Scene *scene, BMesh *bm);
 
bool ED_uvedit_nearest_uv_multi(const View2D *v2d,
                                const Scene *scene,
                                blender::Span<Object *> objects,
                                const float mval_fl[2],
                                const bool ignore_selected,
                                float *dist_sq,
                                float r_uv[2]);
 
BMFace **ED_uvedit_selected_faces(const Scene *scene, BMesh *bm, int len_max, int *r_faces_len);
BMLoop **ED_uvedit_selected_edges(const Scene *scene, BMesh *bm, int len_max, int *r_edges_len);
BMLoop **ED_uvedit_selected_verts(const Scene *scene, BMesh *bm, int len_max, int *r_verts_len);
 
void ED_uvedit_active_vert_loop_set(BMesh *bm, BMLoop *l);
BMLoop *ED_uvedit_active_vert_loop_get(BMesh *bm);
 
void ED_uvedit_active_edge_loop_set(BMesh *bm, BMLoop *l);
BMLoop *ED_uvedit_active_edge_loop_get(BMesh *bm);

char ED_uvedit_select_mode_get(const Scene *scene);
void ED_uvedit_select_sync_flush(const ToolSettings *ts, BMesh *bm, bool select);
 
/* `uvedit_unwrap_ops.cc` */
 
void ED_uvedit_get_aspect(Object *obedit, float *r_aspx, float *r_aspy);

float ED_uvedit_get_aspect_y(Object *obedit);
 
void ED_uvedit_get_aspect_from_material(Object *ob,
                                        const int material_index,
                                        float *r_aspx,
                                        float *r_aspy);

bool ED_uvedit_live_unwrap_timer_check(const wmTimer *timer);

void ED_uvedit_live_unwrap_begin(Scene *scene, Object *obedit, struct wmWindow *win_modal);
void ED_uvedit_live_unwrap_re_solve();
void ED_uvedit_live_unwrap_end(bool cancel);
 
void ED_uvedit_live_unwrap(const Scene *scene, blender::Span<Object *> objects);
void ED_uvedit_add_simple_uvs(Main *bmain, const Scene *scene, Object *ob);
 
/* `uvedit_draw.cc` */
 
void ED_image_draw_cursor(ARegion *region, const float cursor[2]);
 
/* `uvedit_buttons.cc` */
 
void ED_uvedit_buttons_register(ARegionType *art);
 
/* `uvedit_islands.cc` */
 
struct FaceIsland {
  FaceIsland *next;
  FaceIsland *prev;
  BMFace **faces;
  int faces_len;
  BMUVOffsets offsets;
  float aspect_y;
};

int bm_mesh_calc_uv_islands(const Scene *scene,
                            BMesh *bm,
                            ListBase *island_list,
                            const bool only_selected_faces,
                            const bool only_selected_uvs,
                            const bool use_seams,
                            const float aspect_y,
                            const BMUVOffsets &offsets);

bool uv_coords_isect_udim(const Image *image, const int udim_grid[2], const float coords[2]);