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Merge pull request #3250 from akien-mga/pr-uniform-scaling-canvasitem 

Fix uniform scaling of non-square CanvasItem nodes
This commit is contained in:
Rémi Verschelde 2016-01-07 14:34:21 +01:00
parent b6388e6001 fa0500557f
commit 33f4010378
1 changed files with 24 additions and 34 deletions
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58
tools/editor/plugins/canvas_item_editor_plugin.cpp
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@ -1541,6 +1541,7 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent& p_event) {
continue;
}
dfrom = drag_point_from;
dto = snap_point(dto - (drag == DRAG_ALL ? drag_from - drag_point_from : Vector2(0, 0)), drag_point_from);
@ -1548,30 +1549,35 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent& p_event) {
canvas_item->get_global_transform_with_canvas().affine_inverse().xform(dto) -
canvas_item->get_global_transform_with_canvas().affine_inverse().xform(dfrom);
Rect2 local_rect = canvas_item->get_item_rect();
if (false && drag!=DRAG_ALL && m.mod.alt) {
float aspect = local_rect.size.get_aspect();
if (aspect!=0) {
if (ABS(drag_vector.x) > ABS(drag_vector.y)) {
drag_vector.y = ABS(drag_vector.x)/aspect * SGN(drag_vector.y);
} else {
drag_vector.x = ABS(drag_vector.y)*aspect * SGN(drag_vector.x);
}
}
}
Vector2 begin=local_rect.pos;
Vector2 end=local_rect.pos+local_rect.size;
Vector2 minsize = canvas_item->edit_get_minimum_size();
bool uniform = m.mod.shift;
bool symmetric=m.mod.alt;
if (uniform) {
float aspect = local_rect.size.get_aspect();
switch(drag) {
case DRAG_BOTTOM_LEFT:
case DRAG_TOP_RIGHT: {
if (aspect > 1.0) { // width > height, take x as reference
drag_vector.y = -drag_vector.x/aspect;
} else { // height > width, take y as reference
drag_vector.x = -drag_vector.y*aspect;
}
} break;
case DRAG_BOTTOM_RIGHT:
case DRAG_TOP_LEFT: {
if (aspect > 1.0) { // width > height, take x as reference
drag_vector.y = drag_vector.x/aspect;
} else { // height > width, take y as reference
drag_vector.x = drag_vector.y*aspect;
}
} break;
default: {}
}
}
switch(drag) {
case DRAG_ALL: {
@ -1590,19 +1596,11 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent& p_event) {
} break;
case DRAG_BOTTOM_RIGHT: {
if (uniform) {
drag_vector.y=drag_vector.x;
minsize.y=minsize.x;
}
incend(begin.x,end.x,drag_vector.x,minsize.x,symmetric);
incend(begin.y,end.y,drag_vector.y,minsize.y,symmetric);
} break;
} break;
case DRAG_TOP_LEFT: {
if (uniform) {
drag_vector.y=drag_vector.x;
minsize.y=minsize.x;
}
incbeg(begin.x,end.x,drag_vector.x,minsize.x,symmetric);
incbeg(begin.y,end.y,drag_vector.y,minsize.y,symmetric);
} break;
@ -1618,20 +1616,12 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent& p_event) {
} break;
case DRAG_TOP_RIGHT: {
if (uniform) {
drag_vector.x=-drag_vector.y;
minsize.x=minsize.y;
}
incbeg(begin.y,end.y,drag_vector.y,minsize.y,symmetric);
incend(begin.x,end.x,drag_vector.x,minsize.x,symmetric);
} break;
case DRAG_BOTTOM_LEFT: {
if (uniform) {
drag_vector.x=-drag_vector.y;
minsize.x=minsize.y;
}
incbeg(begin.x,end.x,drag_vector.x,minsize.x,symmetric);
incend(begin.y,end.y,drag_vector.y,minsize.y,symmetric);
} break;