static void draw_filled_lasso(wmWindow *win, wmGesture *gt)
{
const short *lasso = (short *)gt->customdata;
const int tot = gt->points;
int (*moves)[2] = MEM_mallocN(sizeof(*moves) * (tot + 1), __func__);
int i;
rcti rect;
rcti rect_win;
for (i = 0; i < tot; i++, lasso += 2) {
moves[i][0] = lasso[0];
moves[i][1] = lasso[1];
}
BLI_lasso_boundbox(&rect, (const int (*)[2])moves, tot);
wm_subwindow_rect_get(win, gt->swinid, &rect_win);
BLI_rcti_translate(&rect, rect_win.xmin, rect_win.ymin);
BLI_rcti_isect(&rect_win, &rect, &rect);
BLI_rcti_translate(&rect, -rect_win.xmin, -rect_win.ymin);
/* highly unlikely this will fail, but could crash if (tot == 0) */
if (BLI_rcti_is_empty(&rect) == false) {
const int w = BLI_rcti_size_x(&rect);
const int h = BLI_rcti_size_y(&rect);
unsigned int *pixel_buf = MEM_callocN(sizeof(*pixel_buf) * w * h, __func__);
struct LassoFillData lasso_fill_data = {pixel_buf, w};
fill_poly_v2i_n(
rect.xmin, rect.ymin, rect.xmax, rect.ymax,
(const int (*)[2])moves, tot,
draw_filled_lasso_px_cb, &lasso_fill_data);
glEnable(GL_BLEND);
// glColor4f(1.0, 1.0, 1.0, 0.05);
glRasterPos2f(rect.xmin, rect.ymin);
glDrawPixels(w, h, GL_RGBA, GL_UNSIGNED_BYTE, pixel_buf);
glDisable(GL_BLEND);
MEM_freeN(pixel_buf);
}
MEM_freeN(moves);
}
/* nothing drawn here, we use it to store values */
static void preview_cb(ScrArea *sa, struct uiBlock *block)
{
SpaceImage *sima = sa->spacedata.first;
rctf dispf;
rcti *disprect = &G.scene->r.disprect;
int winx = (G.scene->r.size * G.scene->r.xsch) / 100;
int winy = (G.scene->r.size * G.scene->r.ysch) / 100;
int mval[2];
if (G.scene->r.mode & R_BORDER) {
winx *= BLI_rcti_size_x(&G.scene->r.border);
winy *= BLI_rctf_size_y(&G.scene->r.border);
}
/* while dragging we need to update the rects, otherwise it doesn't end with correct one */
BLI_rctf_init(&dispf, 15.0f, BLI_rcti_size_x(&block->rect) - 15.0f, 15.0f, (BLI_rctf_size_y(&block->rect)) - 15.0f);
ui_graphics_to_window_rct(sa->win, &dispf, disprect);
/* correction for gla draw */
BLI_rcti_translate(disprect, -curarea->winrct.xmin, -curarea->winrct.ymin);
calc_image_view(sima, 'p');
// printf("winrct %d %d %d %d\n", disprect->xmin, disprect->ymin, disprect->xmax, disprect->ymax);
/* map to image space coordinates */
mval[0] = disprect->xmin;
mval[1] = disprect->ymin;
areamouseco_to_ipoco(v2d, mval, &dispf.xmin, &dispf.ymin);
mval[0] = disprect->xmax;
mval[1] = disprect->ymax;
areamouseco_to_ipoco(v2d, mval, &dispf.xmax, &dispf.ymax);
/* map to render coordinates */
disprect->xmin = dispf.xmin;
disprect->xmax = dispf.xmax;
disprect->ymin = dispf.ymin;
disprect->ymax = dispf.ymax;
CLAMP(disprect->xmin, 0, winx);
CLAMP(disprect->xmax, 0, winx);
CLAMP(disprect->ymin, 0, winy);
CLAMP(disprect->ymax, 0, winy);
// printf("drawrct %d %d %d %d\n", disprect->xmin, disprect->ymin, disprect->xmax, disprect->ymax);
}
/**
* Translate any popup regions (so we can drag them).
*/
void ui_popup_translate(ARegion *ar, const int mdiff[2])
{
uiBlock *block;
BLI_rcti_translate(&ar->winrct, UNPACK2(mdiff));
ED_region_update_rect(ar);
ED_region_tag_redraw(ar);
/* update blocks */
for (block = ar->uiblocks.first; block; block = block->next) {
uiPopupBlockHandle *handle = block->handle;
/* Make empty, will be initialized on next use, see T60608. */
BLI_rctf_init(&handle->prev_block_rect, 0, 0, 0, 0);
uiSafetyRct *saferct;
for (saferct = block->saferct.first; saferct; saferct = saferct->next) {
BLI_rctf_translate(&saferct->parent, UNPACK2(mdiff));
BLI_rctf_translate(&saferct->safety, UNPACK2(mdiff));
}
}
}
void BLI_rcti_recenter(rcti *rect, int x, int y)
{
const int dx = x - BLI_rcti_cent_x(rect);
const int dy = y - BLI_rcti_cent_y(rect);
BLI_rcti_translate(rect, dx, dy);
}
