void ED_space_clip_get_aspect_dimension_aware(SpaceClip *sc, float *aspx, float *aspy)
{
int w, h;
/* most of tools does not require aspect to be returned with dimensions correction
* due to they're invariant to this stuff, but some transformation tools like rotation
* should be aware of aspect correction caused by different resolution in different
* directions.
* mainly this is sued for transformation stuff
*/
if (!sc->clip) {
*aspx = 1.0f;
*aspy = 1.0f;
return;
}
ED_space_clip_get_aspect(sc, aspx, aspy);
BKE_movieclip_get_size(sc->clip, &sc->user, &w, &h);
*aspx *= (float) w;
*aspy *= (float) h;
if (*aspx < *aspy) {
*aspy = *aspy / *aspx;
*aspx = 1.0f;
}
else {
*aspx = *aspx / *aspy;
*aspy = 1.0f;
}
}
void ED_mask_get_aspect(ScrArea *sa, ARegion *UNUSED(ar), float *aspx, float *aspy)
{
if (sa && sa->spacedata.first) {
switch (sa->spacetype) {
case SPACE_CLIP:
{
SpaceClip *sc = sa->spacedata.first;
ED_space_clip_get_aspect(sc, aspx, aspy);
break;
}
case SPACE_SEQ:
{
*aspx = *aspy = 1.0f; /* MASKTODO - render aspect? */
break;
}
case SPACE_IMAGE:
{
SpaceImage *sima = sa->spacedata.first;
ED_space_image_get_aspect(sima, aspx, aspy);
break;
}
default:
/* possible other spaces from which mask editing is available */
BLI_assert(0);
*aspx = *aspy = 1.0f;
break;
}
}
else {
BLI_assert(0);
*aspx = *aspy = 1.0f;
}
}
void clip_view_center_to_point(SpaceClip *sc, float x, float y)
{
int width, height;
float aspx, aspy;
ED_space_clip_get_size(sc, &width, &height);
ED_space_clip_get_aspect(sc, &aspx, &aspy);
sc->xof = (x - 0.5f) * width * aspx;
sc->yof = (y - 0.5f) * height * aspy;
}
static int view_all_exec(bContext *C, wmOperator *op)
{
SpaceClip *sc;
ARegion *ar;
int w, h, width, height;
float aspx, aspy;
int fit_view = RNA_boolean_get(op->ptr, "fit_view");
float zoomx, zoomy;
/* retrieve state */
sc = CTX_wm_space_clip(C);
ar = CTX_wm_region(C);
ED_space_clip_get_size(sc, &w, &h);
ED_space_clip_get_aspect(sc, &aspx, &aspy);
w = w * aspx;
h = h * aspy;
/* check if the image will fit in the image with zoom == 1 */
width = BLI_rcti_size_x(&ar->winrct) + 1;
height = BLI_rcti_size_y(&ar->winrct) + 1;
if (fit_view) {
const int margin = 5; /* margin from border */
zoomx = (float) width / (w + 2 * margin);
zoomy = (float) height / (h + 2 * margin);
sclip_zoom_set(C, min_ff(zoomx, zoomy), NULL);
}
else {
if ((w >= width || h >= height) && (width > 0 && height > 0)) {
zoomx = (float) width / w;
zoomy = (float) height / h;
/* find the zoom value that will fit the image in the image space */
sclip_zoom_set(C, 1.0f / power_of_2(1.0f / min_ff(zoomx, zoomy)), NULL);
}
else
sclip_zoom_set(C, 1.0f, NULL);
}
sc->xof = sc->yof = 0.0f;
ED_region_tag_redraw(CTX_wm_region(C));
return OPERATOR_FINISHED;
}
static void sclip_zoom_set(const bContext *C, float zoom, float location[2])
{
SpaceClip *sc = CTX_wm_space_clip(C);
ARegion *ar = CTX_wm_region(C);
float oldzoom = sc->zoom;
int width, height;
sc->zoom = zoom;
if (sc->zoom < 0.1f || sc->zoom > 4.0f) {
/* check zoom limits */
ED_space_clip_get_size(sc, &width, &height);
width *= sc->zoom;
height *= sc->zoom;
if ((width < 4) && (height < 4) && sc->zoom < oldzoom)
sc->zoom = oldzoom;
else if (BLI_rcti_size_x(&ar->winrct) <= sc->zoom)
sc->zoom = oldzoom;
else if (BLI_rcti_size_y(&ar->winrct) <= sc->zoom)
sc->zoom = oldzoom;
}
if ((U.uiflag & USER_ZOOM_TO_MOUSEPOS) && location) {
float aspx, aspy, w, h, dx, dy;
ED_space_clip_get_size(sc, &width, &height);
ED_space_clip_get_aspect(sc, &aspx, &aspy);
w = width * aspx;
h = height * aspy;
dx = ((location[0] - 0.5f) * w - sc->xof) * (sc->zoom - oldzoom) / sc->zoom;
dy = ((location[1] - 0.5f) * h - sc->yof) * (sc->zoom - oldzoom) / sc->zoom;
if (sc->flag & SC_LOCK_SELECTION) {
sc->xlockof += dx;
sc->ylockof += dy;
}
else {
sc->xof += dx;
sc->yof += dy;
}
}
}
void ED_mask_pixelspace_factor(ScrArea *sa, ARegion *ar, float *scalex, float *scaley)
{
if (sa && sa->spacedata.first) {
switch (sa->spacetype) {
case SPACE_CLIP:
{
SpaceClip *sc = sa->spacedata.first;
float aspx, aspy;
UI_view2d_getscale(&ar->v2d, scalex, scaley);
ED_space_clip_get_aspect(sc, &aspx, &aspy);
*scalex *= aspx;
*scaley *= aspy;
break;
}
case SPACE_SEQ:
{
*scalex = *scaley = 1.0f; /* MASKTODO? */
break;
}
case SPACE_IMAGE:
{
SpaceImage *sima = sa->spacedata.first;
float aspx, aspy;
UI_view2d_getscale(&ar->v2d, scalex, scaley);
ED_space_image_get_aspect(sima, &aspx, &aspy);
*scalex *= aspx;
*scaley *= aspy;
break;
}
default:
/* possible other spaces from which mask editing is available */
BLI_assert(0);
*scalex = *scaley = 1.0f;
break;
}
}
else {
BLI_assert(0);
*scalex = *scaley = 1.0f;
}
}
bool ED_clip_view_selection(const bContext *C, ARegion *ar, bool fit)
{
SpaceClip *sc = CTX_wm_space_clip(C);
int w, h, frame_width, frame_height;
float min[2], max[2];
ED_space_clip_get_size(sc, &frame_width, &frame_height);
if ((frame_width == 0) || (frame_height == 0) || (sc->clip == NULL))
return false;
if (!selected_boundbox(sc, min, max))
return false;
/* center view */
clip_view_center_to_point(sc, (max[0] + min[0]) / (2 * frame_width),
(max[1] + min[1]) / (2 * frame_height));
w = max[0] - min[0];
h = max[1] - min[1];
/* set zoom to see all selection */
if (w > 0 && h > 0) {
int width, height;
float zoomx, zoomy, newzoom, aspx, aspy;
ED_space_clip_get_aspect(sc, &aspx, &aspy);
width = BLI_rcti_size_x(&ar->winrct) + 1;
height = BLI_rcti_size_y(&ar->winrct) + 1;
zoomx = (float)width / w / aspx;
zoomy = (float)height / h / aspy;
newzoom = 1.0f / power_of_2(1.0f / min_ff(zoomx, zoomy));
if (fit || sc->zoom > newzoom)
sc->zoom = newzoom;
}
return true;
}
