Ephoto: Add new cropper
This commit is contained in:
parent
26b2ecf44e
commit
04f6182eab
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#include "ephoto.h"
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typedef struct _Ephoto_Cropper Ephoto_Cropper;
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struct _Ephoto_Cropper
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{
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Evas_Object *box;
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Evas_Object *image;
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Evas_Object *cropper;
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Evas_Object *layout;
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int startx;
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int starty;
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int offsetx;
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int offsety;
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};
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static void
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_cropper_both_mouse_move(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source)
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{
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Ephoto_Cropper *ec = data;
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Edje_Message_Int_Set *msg;
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int mx, my, cx, cy, cw, ch, nx, ny;
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evas_pointer_canvas_xy_get(evas_object_evas_get(ec->cropper), &mx, &my);
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evas_object_geometry_get(ec->cropper, &cx, &cy, &cw, &ch);
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nx = mx - ec->startx;
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ny = my - ec->starty;
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ec->startx = mx;
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ec->starty = my;
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if (!strcmp(source, "handle1"))
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{
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mx -= ec->offsetx;
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mx -= cx;
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my -= ec->offsety;
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my -= cy;
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cw -= nx;
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ch -= ny;
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}
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if (!strcmp(source, "handle3"))
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{
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mx = nx;
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my -= ec->offsety;
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my -= cy;
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cw += nx;
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ch -= ny;
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}
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else if (!strcmp(source, "handle5"))
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{
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mx = nx;
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my = ny;
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cw += nx;
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ch += ny;
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}
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else if (!strcmp(source, "handle7"))
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{
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mx -= ec->offsetx;
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mx -= cx;
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my = ny;
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cw -= nx;
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ch += ny;
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}
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msg = alloca(sizeof(Edje_Message_Int_Set) + (4*sizeof(int)));
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msg->count = 4;
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msg->val[0] = mx;
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msg->val[1] = my;
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msg->val[2] = cw;
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msg->val[3] = ch;
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edje_object_message_send(elm_layout_edje_get(ec->layout), EDJE_MESSAGE_INT_SET, 1, msg);
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}
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static void
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_cropper_both_mouse_up(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source)
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{
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Ephoto_Cropper *ec = data;
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edje_object_signal_callback_del_full(ec->cropper, "mouse,move", source, _cropper_both_mouse_move, ec);
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edje_object_signal_callback_del_full(ec->cropper, "mouse,up,1", source, _cropper_both_mouse_up, ec);
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}
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static void
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_cropper_resize_both(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source)
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{
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Ephoto_Cropper *ec = data;
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int mx, my, cx, cy;
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evas_pointer_canvas_xy_get(evas_object_evas_get(ec->cropper), &mx, &my);
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evas_object_geometry_get(ec->cropper, &cx, &cy, 0, 0);
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ec->offsetx = mx - cx;
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ec->offsety = my - cy;
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ec->startx = mx;
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ec->starty = my;
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edje_object_signal_callback_add(ec->cropper, "mouse,move", source, _cropper_both_mouse_move, ec);
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edje_object_signal_callback_add(ec->cropper, "mouse,up,1", source, _cropper_both_mouse_up, ec);
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}
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static void
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_cropper_horiz_mouse_move(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source)
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{
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Ephoto_Cropper *ec = data;
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Edje_Message_Int_Set *msg;
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int mx, cx, cy, cw, ch, nx;
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evas_pointer_canvas_xy_get(evas_object_evas_get(ec->cropper), &mx, 0);
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evas_object_geometry_get(ec->cropper, &cx, &cy, &cw, &ch);
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nx = mx - ec->startx;
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ec->startx = mx;
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if (!strcmp(source, "handle8"))
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{
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mx -= ec->offsetx;
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mx -= cx;
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cw -= nx;
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}
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else if (!strcmp(source, "handle4"))
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{
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mx = nx;
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cw += nx;
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}
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msg = alloca(sizeof(Edje_Message_Int_Set) + (4*sizeof(int)));
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msg->count = 4;
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msg->val[0] = mx;
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msg->val[1] = 0;
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msg->val[2] = cw;
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msg->val[3] = ch;
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edje_object_message_send(elm_layout_edje_get(ec->layout), EDJE_MESSAGE_INT_SET, 1, msg);
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}
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static void
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_cropper_horiz_mouse_up(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source)
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{
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Ephoto_Cropper *ec = data;
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edje_object_signal_callback_del_full(ec->cropper, "mouse,move", source, _cropper_horiz_mouse_move, ec);
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edje_object_signal_callback_del_full(ec->cropper, "mouse,up,1", source, _cropper_horiz_mouse_up, ec);
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}
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static void
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_cropper_resize_horiz(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source EINA_UNUSED)
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{
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Ephoto_Cropper *ec = data;
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int mx, my, cx, cy;
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evas_pointer_canvas_xy_get(evas_object_evas_get(ec->cropper), &mx, &my);
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evas_object_geometry_get(ec->cropper, &cx, &cy, 0, 0);
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ec->offsetx = mx - cx;
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ec->offsety = my - cy;
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ec->startx = mx;
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ec->starty = my;
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edje_object_signal_callback_add(ec->cropper, "mouse,move", source, _cropper_horiz_mouse_move, ec);
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edje_object_signal_callback_add(ec->cropper, "mouse,up,1", source, _cropper_horiz_mouse_up, ec);
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}
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static void
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_cropper_vert_mouse_move(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source)
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{
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Ephoto_Cropper *ec = data;
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Edje_Message_Int_Set *msg;
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int my, cx, cy, cw, ch, ny;
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evas_pointer_canvas_xy_get(evas_object_evas_get(ec->cropper), 0, &my);
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evas_object_geometry_get(ec->cropper, &cx, &cy, &cw, &ch);
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ny = my - ec->starty;
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ec->starty = my;
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if (!strcmp(source, "handle2"))
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{
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my -= ec->offsety;
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my -= cy;
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ch -= ny;
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}
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else if (!strcmp(source, "handle6"))
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{
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my = ny;
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ch += ny;
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}
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msg = alloca(sizeof(Edje_Message_Int_Set) + (4*sizeof(int)));
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msg->count = 4;
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msg->val[0] = 0;
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msg->val[1] = my;
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msg->val[2] = cw;
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msg->val[3] = ch;
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edje_object_message_send(elm_layout_edje_get(ec->layout), EDJE_MESSAGE_INT_SET, 1, msg);
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}
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static void
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_cropper_vert_mouse_up(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source)
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{
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Ephoto_Cropper *ec = data;
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edje_object_signal_callback_del_full(ec->cropper, "mouse,move", source, _cropper_vert_mouse_move, ec);
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edje_object_signal_callback_del_full(ec->cropper, "mouse,up,1", source, _cropper_vert_mouse_up, ec);
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}
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static void
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_cropper_resize_vert(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source EINA_UNUSED)
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{
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Ephoto_Cropper *ec = data;
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int mx, my, cx, cy;
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evas_pointer_canvas_xy_get(evas_object_evas_get(ec->cropper), &mx, &my);
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evas_object_geometry_get(ec->cropper, &cx, &cy, 0, 0);
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ec->offsetx = mx - cx;
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ec->offsety = my - cy;
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ec->startx = mx;
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ec->starty = my;
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edje_object_signal_callback_add(ec->cropper, "mouse,move", source, _cropper_vert_mouse_move, ec);
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edje_object_signal_callback_add(ec->cropper, "mouse,up,1", source, _cropper_vert_mouse_up, ec);
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}
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static void
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_cropper_mouse_move(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source EINA_UNUSED)
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{
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Ephoto_Cropper *ec = data;
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Edje_Message_Int_Set *msg;
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int mx, my, cx, cy, cw, ch;
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evas_pointer_canvas_xy_get(evas_object_evas_get(ec->cropper), &mx, &my);
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evas_object_geometry_get(ec->cropper, &cx, &cy, &cw, &ch);
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mx -= ec->offsetx;
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my -= ec->offsety;
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msg = alloca(sizeof(Edje_Message_Int_Set) + (4*sizeof(int)));
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msg->count = 4;
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msg->val[0] = mx-cx;
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msg->val[1] = my-cy;
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msg->val[2] = cw;
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msg->val[3] = ch;
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edje_object_message_send(elm_layout_edje_get(ec->layout), EDJE_MESSAGE_INT_SET, 1, msg);
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}
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static void
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_cropper_mouse_up(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source EINA_UNUSED)
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{
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Ephoto_Cropper *ec = data;
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edje_object_signal_callback_del_full(ec->cropper, "mouse,move", "dragger", _cropper_mouse_move, ec);
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edje_object_signal_callback_del_full(ec->cropper, "mouse,up,1", "dragger", _cropper_mouse_up, ec);
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}
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static void
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_cropper_move(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source EINA_UNUSED)
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{
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Ephoto_Cropper *ec = data;
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int mx, my, cx, cy;
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evas_pointer_canvas_xy_get(evas_object_evas_get(ec->cropper), &mx, &my);
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evas_object_geometry_get(ec->cropper, &cx, &cy, 0, 0);
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ec->startx = mx;
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ec->starty = my;
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ec->offsetx = mx - cx;
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ec->offsety = my - cy;
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edje_object_signal_callback_add(ec->cropper, "mouse,move", "dragger", _cropper_mouse_move, ec);
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edje_object_signal_callback_add(ec->cropper, "mouse,up,1", "dragger", _cropper_mouse_up, ec);
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}
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static void
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_image_resize(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_data EINA_UNUSED)
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{
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Ephoto_Cropper *ec = data;
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Edje_Message_Int_Set *msg;
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int sx, sy, sw, sh, iw, ih, diffw, diffh;
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int cx, cy, cw, ch, ix, iy;
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evas_object_geometry_get(ec->layout, &sx, &sy, &sw, &sh);
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evas_object_image_size_get(elm_image_object_get(ec->image), &iw, &ih);
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if (iw < sw && ih < sh)
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{
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diffw = sw - iw;
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diffh = sh - ih;
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diffw /= 2;
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diffh /= 2;
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ix = sx+diffw;
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iy = sy+diffh;
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cw = iw/2;
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ch = ih/2;
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cx = (cw/2)+ix;
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cy = (ch/2)+iy;
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evas_object_resize(ec->layout, iw, ih);
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evas_object_move(ec->layout, ix, iy);
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msg = alloca(sizeof(Edje_Message_Int_Set) + (4*sizeof(int)));
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msg->count = 4;
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msg->val[0] = 0;
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msg->val[1] = 0;
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msg->val[2] = cw;
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msg->val[3] = ch;
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edje_object_message_send(elm_layout_edje_get(ec->layout), EDJE_MESSAGE_INT_SET, 1, msg);
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}
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else
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{
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int nw, nh;
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if (sw > sh)
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{
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nw = sw;
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nh = ih*((double)sw/(double)iw);
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if (nh > sh)
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{
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int onw, onh;
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onw = nw;
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onh = nh;
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nh = sh;
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nw = onw*((double)nh/(double)onh);
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}
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}
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else
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{
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nh = sh;
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nw = iw*((double)sh/(double)ih);
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if (nw > sw)
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{
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int onw, onh;
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onw = nw;
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onh = nh;
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nw = sw;
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nh = onh*((double)nw/(double)onw);
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}
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}
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diffw = sw - nw;
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diffh = sh - nh;
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diffw /= 2;
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diffh /= 2;
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ix = sx+diffw;
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iy = sy+diffh;
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cw = nw/2;
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ch = nh/2;
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cx = ix+(cw/2);
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cy = iy+(ch/2);
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evas_object_resize(ec->layout, nw, nh);
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evas_object_move(ec->layout, ix, iy);
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msg = alloca(sizeof(Edje_Message_Int_Set) + (4*sizeof(int)));
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msg->count = 4;
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msg->val[0] = 0;
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msg->val[1] = 0;
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msg->val[2] = cw;
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msg->val[3] = ch;
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edje_object_message_send(elm_layout_edje_get(ec->layout), EDJE_MESSAGE_INT_SET, 1, msg);
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}
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}
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static void
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_cropper_free(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_data EINA_UNUSED)
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{
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Ephoto_Cropper *ec = data;
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free(ec);
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}
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Evas_Object *
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ephoto_cropper_add(Evas_Object *parent, const char *file, const char *key)
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{
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Ephoto_Cropper *ec = calloc(1, sizeof(Ephoto_Cropper));
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ec->box = elm_box_add(parent);
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evas_object_size_hint_weight_set(ec->box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_size_hint_align_set(ec->box, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_show(ec->box);
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ec->layout = elm_layout_add(ec->box);
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elm_layout_file_set(ec->layout, PACKAGE_DATA_DIR "/themes/crop.edj", "ephoto,image,cropper,base");
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evas_object_size_hint_weight_set(ec->layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_size_hint_align_set(ec->layout, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_box_pack_end(ec->box, ec->layout);
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evas_object_show(ec->layout);
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ec->image = elm_image_add(ec->layout);
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elm_image_file_set(ec->image, file, key);
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evas_object_size_hint_weight_set(ec->image, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_size_hint_align_set(ec->image, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_layout_content_set(ec->layout, "ephoto.swallow.image", ec->image);
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evas_object_show(ec->image);
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ec->cropper = edje_object_add(evas_object_evas_get(ec->layout));
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edje_object_file_set(ec->cropper, PACKAGE_DATA_DIR "/themes/crop.edj", "ephoto,image,cropper");
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elm_layout_content_set(ec->layout, "ephoto.swallow.cropper", ec->cropper);
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evas_object_show(ec->cropper);
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edje_object_signal_callback_add(ec->cropper, "mouse,down,1", "dragger", _cropper_move, ec);
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edje_object_signal_callback_add(ec->cropper, "mouse,down,1", "handle1", _cropper_resize_both, ec);
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edje_object_signal_callback_add(ec->cropper, "mouse,down,1", "handle2", _cropper_resize_vert, ec);
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edje_object_signal_callback_add(ec->cropper, "mouse,down,1", "handle3", _cropper_resize_both, ec);
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edje_object_signal_callback_add(ec->cropper, "mouse,down,1", "handle4", _cropper_resize_horiz, ec);
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edje_object_signal_callback_add(ec->cropper, "mouse,down,1", "handle5", _cropper_resize_both, ec);
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edje_object_signal_callback_add(ec->cropper, "mouse,down,1", "handle6", _cropper_resize_vert, ec);
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edje_object_signal_callback_add(ec->cropper, "mouse,down,1", "handle7", _cropper_resize_both, ec);
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edje_object_signal_callback_add(ec->cropper, "mouse,down,1", "handle8", _cropper_resize_horiz, ec);
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evas_object_data_set(ec->box, "image", ec->image);
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evas_object_data_set(ec->box, "layout", ec->layout);
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evas_object_event_callback_add(ec->layout, EVAS_CALLBACK_RESIZE, _image_resize, ec);
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||||
evas_object_event_callback_add(ec->box, EVAS_CALLBACK_FREE, _cropper_free, ec);
|
||||
|
||||
return ec->box;
|
||||
}
|
||||
|
Loading…
Reference in New Issue