static void AddTestItems(obs_scene_t scene, obs_source_t source) { obs_sceneitem_t item = NULL; struct vec2 scale; vec2_set(&scale, 20.0f, 20.0f); item = obs_scene_add(scene, source); obs_sceneitem_setscale(item, &scale); }
void OBSBasicPreview::StretchItem(const vec2 &pos) { Qt::KeyboardModifiers modifiers = QGuiApplication::keyboardModifiers(); obs_bounds_type boundsType = obs_sceneitem_get_bounds_type(stretchItem); uint32_t stretchFlags = (uint32_t)stretchHandle; bool shiftDown = (modifiers & Qt::ShiftModifier); vec3 tl, br, pos3; vec3_zero(&tl); vec3_set(&br, stretchItemSize.x, stretchItemSize.y, 0.0f); vec3_set(&pos3, pos.x, pos.y, 0.0f); vec3_transform(&pos3, &pos3, &screenToItem); if (stretchFlags & ITEM_LEFT) tl.x = pos3.x; else if (stretchFlags & ITEM_RIGHT) br.x = pos3.x; if (stretchFlags & ITEM_TOP) tl.y = pos3.y; else if (stretchFlags & ITEM_BOTTOM) br.y = pos3.y; if (!(modifiers & Qt::ControlModifier)) SnapStretchingToScreen(tl, br); obs_source_t source = obs_sceneitem_getsource(stretchItem); vec2 baseSize; vec2_set(&baseSize, float(obs_source_getwidth(source)), float(obs_source_getheight(source))); vec2 size; vec2_set(&size,br. x - tl.x, br.y - tl.y); if (boundsType != OBS_BOUNDS_NONE) { if (shiftDown) ClampAspect(tl, br, size, baseSize); if (tl.x > br.x) std::swap(tl.x, br.x); if (tl.y > br.y) std::swap(tl.y, br.y); vec2_abs(&size, &size); obs_sceneitem_set_bounds(stretchItem, &size); } else { if (!shiftDown) ClampAspect(tl, br, size, baseSize); vec2_div(&size, &size, &baseSize); obs_sceneitem_setscale(stretchItem, &size); } pos3 = CalculateStretchPos(tl, br); vec3_transform(&pos3, &pos3, &itemToScreen); vec2 newPos; vec2_set(&newPos, std::round(pos3.x), std::round(pos3.y)); obs_sceneitem_setpos(stretchItem, &newPos); }