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Fixed StyleBoxFlat antialiasing with aa size of 1 

Also made aa size consistent when computing uv coordinates and fixed a warning about aa_border_width not initialized in some cases.

fixes #34830
This commit is contained in:
PouleyKetchoupp 2020-01-05 10:54:24 +01:00
parent a18909f945
commit a7a025531b
1 changed files with 3 additions and 3 deletions
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6
scene/resources/style_box.cpp
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@ -719,6 +719,7 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
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;
float aa_size_grow = 0.5 * ((float)aa_size + 1.0);
bool blend_on = blend_border && draw_border;
@ -744,7 +745,6 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
Rect2 border_style_rect = style_rect;
if (aa_on) {
float aa_size_grow = 0.5 * ((aa_size + 1) / 2);
for (int i = 0; i < 4; i++) {
if (border_width[i] > 0) {
border_style_rect = border_style_rect.grow_margin((Margin)i, -aa_size_grow);
@ -789,7 +789,6 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
}
if (aa_on) {
float aa_size_grow = 0.5 * ((aa_size + 1) / 2);
int aa_border_width[4];
int aa_fill_width[4];
if (draw_border) {
@ -804,6 +803,7 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
}
} else {
for (int i = 0; i < 4; i++) {
aa_border_width[i] = 0;
aa_fill_width[i] = aa_size_grow;
}
}
@ -844,7 +844,7 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
}
//COMPUTE UV COORDINATES
Rect2 uv_rect = style_rect.grow(aa_on ? aa_size : 0);
Rect2 uv_rect = style_rect.grow(aa_on ? aa_size_grow : 0);
uvs.resize(verts.size());
for (int i = 0; i < verts.size(); i++) {
uvs.write[i].x = (verts[i].x - uv_rect.position.x) / uv_rect.size.width;