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-rw-r--r--scene/resources/style_box.cpp50
1 files changed, 34 insertions, 16 deletions
diff --git a/scene/resources/style_box.cpp b/scene/resources/style_box.cpp
index d207bee669..f3cb2b9ea7 100644
--- a/scene/resources/style_box.cpp
+++ b/scene/resources/style_box.cpp
@@ -461,6 +461,15 @@ bool StyleBoxFlat::is_draw_center_enabled() const {
return draw_center;
}
+void StyleBoxFlat::set_skew(Vector2 p_skew) {
+ skew = p_skew;
+ emit_changed();
+}
+
+Vector2 StyleBoxFlat::get_skew() const {
+ return skew;
+}
+
void StyleBoxFlat::set_shadow_color(const Color &p_color) {
shadow_color = p_color;
emit_changed();
@@ -546,7 +555,7 @@ inline void set_inner_corner_radius(const Rect2 style_rect, const Rect2 inner_re
}
inline void draw_ring(Vector<Vector2> &verts, Vector<int> &indices, Vector<Color> &colors, const Rect2 &style_rect, const real_t corner_radius[4],
- const Rect2 &ring_rect, const Rect2 &inner_rect, const Color &inner_color, const Color &outer_color, const int corner_detail, const bool fill_center = false) {
+ const Rect2 &ring_rect, const Rect2 &inner_rect, const Color &inner_color, const Color &outer_color, const int corner_detail, const Vector2 &skew, bool fill_center = false) {
int vert_offset = verts.size();
if (!vert_offset) {
vert_offset = 0;
@@ -590,9 +599,12 @@ inline void draw_ring(Vector<Vector2> &verts, Vector<int> &indices, Vector<Color
color = outer_color;
corner_point = outer_points[corner_index];
}
- real_t x = radius * (real_t)cos((corner_index + detail / (double)adapted_corner_detail) * (Math_TAU / 4.0) + Math_PI) + corner_point.x;
- real_t y = radius * (real_t)sin((corner_index + detail / (double)adapted_corner_detail) * (Math_TAU / 4.0) + Math_PI) + corner_point.y;
- verts.push_back(Vector2(x, y));
+
+ const real_t x = radius * (real_t)cos((corner_index + detail / (double)adapted_corner_detail) * (Math_TAU / 4.0) + Math_PI) + corner_point.x;
+ const real_t y = radius * (real_t)sin((corner_index + detail / (double)adapted_corner_detail) * (Math_TAU / 4.0) + Math_PI) + corner_point.y;
+ const float x_skew = -skew.x * (y - ring_rect.get_center().y);
+ const float y_skew = -skew.y * (x - ring_rect.get_center().x);
+ verts.push_back(Vector2(x + x_skew, y + y_skew));
colors.push_back(color);
}
}
@@ -670,10 +682,12 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
return;
}
- bool rounded_corners = (corner_radius[0] > 0) || (corner_radius[1] > 0) || (corner_radius[2] > 0) || (corner_radius[3] > 0);
- bool aa_on = rounded_corners && anti_aliased;
+ const bool rounded_corners = (corner_radius[0] > 0) || (corner_radius[1] > 0) || (corner_radius[2] > 0) || (corner_radius[3] > 0);
+ // Only enable antialiasing if it is actually needed. This improve performances
+ // and maximizes sharpness for non-skewed StyleBoxes with sharp corners.
+ const bool aa_on = (rounded_corners || !skew.is_equal_approx(Vector2())) && anti_aliased;
- bool blend_on = blend_border && draw_border;
+ const bool blend_on = blend_border && draw_border;
Color border_color_alpha = Color(border_color.r, border_color.g, border_color.b, 0);
Color border_color_blend = (draw_center ? bg_color : border_color_alpha);
@@ -720,24 +734,24 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
Color shadow_color_transparent = Color(shadow_color.r, shadow_color.g, shadow_color.b, 0);
draw_ring(verts, indices, colors, shadow_inner_rect, adapted_corner,
- shadow_rect, shadow_inner_rect, shadow_color, shadow_color_transparent, corner_detail);
+ shadow_rect, shadow_inner_rect, shadow_color, shadow_color_transparent, corner_detail, skew);
if (draw_center) {
draw_ring(verts, indices, colors, shadow_inner_rect, adapted_corner,
- shadow_inner_rect, shadow_inner_rect, shadow_color, shadow_color, corner_detail, true);
+ shadow_inner_rect, shadow_inner_rect, shadow_color, shadow_color, corner_detail, skew, true);
}
}
// Create border (no AA).
if (draw_border && !aa_on) {
draw_ring(verts, indices, colors, border_style_rect, adapted_corner,
- border_style_rect, infill_rect, border_color_inner, border_color, corner_detail);
+ border_style_rect, infill_rect, border_color_inner, border_color, corner_detail, skew);
}
// Create infill (no AA).
if (draw_center && (!aa_on || blend_on || !draw_border)) {
draw_ring(verts, indices, colors, border_style_rect, adapted_corner,
- infill_rect, infill_rect, bg_color, bg_color, corner_detail, true);
+ infill_rect, infill_rect, bg_color, bg_color, corner_detail, skew, true);
}
if (aa_on) {
@@ -769,7 +783,7 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
aa_border_width[SIDE_RIGHT], aa_border_width[SIDE_BOTTOM]);
// Create infill within AA border.
draw_ring(verts, indices, colors, border_style_rect, adapted_corner,
- infill_inner_rect_aa, infill_inner_rect_aa, bg_color, bg_color, corner_detail, true);
+ infill_inner_rect_aa, infill_inner_rect_aa, bg_color, bg_color, corner_detail, skew, true);
}
if (!blend_on || !draw_border) {
@@ -780,7 +794,7 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
// Create infill fake AA gradient.
draw_ring(verts, indices, colors, style_rect, adapted_corner,
- infill_rect_aa, infill_rect, bg_color, alpha_bg, corner_detail);
+ infill_rect_aa, infill_rect, bg_color, alpha_bg, corner_detail, skew);
}
}
@@ -794,17 +808,17 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
// Create border.
draw_ring(verts, indices, colors, border_style_rect, adapted_corner,
- border_style_rect_aa, ((blend_on) ? infill_rect : infill_rect_aa), border_color_inner, border_color, corner_detail);
+ border_style_rect_aa, ((blend_on) ? infill_rect : infill_rect_aa), border_color_inner, border_color, corner_detail, skew);
if (!blend_on) {
// Create inner border fake AA gradient.
draw_ring(verts, indices, colors, border_style_rect, adapted_corner,
- infill_rect_aa, infill_rect, border_color_blend, border_color, corner_detail);
+ infill_rect_aa, infill_rect, border_color_blend, border_color, corner_detail, skew);
}
// Create outer border fake AA gradient.
draw_ring(verts, indices, colors, border_style_rect, adapted_corner,
- style_rect_aa, border_style_rect_aa, border_color, border_color_alpha, corner_detail);
+ style_rect_aa, border_style_rect_aa, border_color, border_color_alpha, corner_detail, skew);
}
}
@@ -862,6 +876,9 @@ void StyleBoxFlat::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_draw_center", "draw_center"), &StyleBoxFlat::set_draw_center);
ClassDB::bind_method(D_METHOD("is_draw_center_enabled"), &StyleBoxFlat::is_draw_center_enabled);
+ ClassDB::bind_method(D_METHOD("set_skew", "skew"), &StyleBoxFlat::set_skew);
+ ClassDB::bind_method(D_METHOD("get_skew"), &StyleBoxFlat::get_skew);
+
ClassDB::bind_method(D_METHOD("set_shadow_color", "color"), &StyleBoxFlat::set_shadow_color);
ClassDB::bind_method(D_METHOD("get_shadow_color"), &StyleBoxFlat::get_shadow_color);
@@ -883,6 +900,7 @@ void StyleBoxFlat::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "bg_color"), "set_bg_color", "get_bg_color");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_center"), "set_draw_center", "is_draw_center_enabled");
+ ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "skew"), "set_skew", "get_skew");
ADD_GROUP("Border Width", "border_width_");
ADD_PROPERTYI(PropertyInfo(Variant::INT, "border_width_left", PROPERTY_HINT_RANGE, "0,1024,1"), "set_border_width", "get_border_width", SIDE_LEFT);