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Merge pull request #92997 from Calinou/styleboxflat-antialiasing-adjust-for-stretch-scale

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Adjust StyleBoxFlat antialiasing to account for 2D stretch scale
This commit is contained in:
Thaddeus Crews
2024-12-19 19:59:48 -06:00
parent 37d1e7fc89 b43c47d6dd
commit 3d523ee86d
2 changed files with 30 additions and 9 deletions
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37
scene/resources/style_box_flat.cpp
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@ -30,6 +30,8 @@
#include "style_box_flat.h"
#include "scene/main/scene_tree.h"
#include "scene/main/window.h"
#include "servers/rendering_server.h"
float StyleBoxFlat::get_style_margin(Side p_side) const {
@ -408,10 +410,28 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
Rect2 infill_rect = style_rect.grow_individual(-adapted_border[SIDE_LEFT], -adapted_border[SIDE_TOP], -adapted_border[SIDE_RIGHT], -adapted_border[SIDE_BOTTOM]);
Rect2 border_style_rect = style_rect;
real_t aa_size_scaled = 1.0f;
if (aa_on) {
real_t scale_factor = 1.0f;
const SceneTree *tree = Object::cast_to<SceneTree>(OS::get_singleton()->get_main_loop());
if (tree) {
const Window *window = tree->get_root();
const Vector2 stretch_scale = window->get_stretch_transform().get_scale();
scale_factor = MIN(stretch_scale.x, stretch_scale.y);
}
// Adjust AA feather size to account for the 2D scale factor, so that
// antialiasing doesn't become blurry at viewport resolutions higher
// than the default when using the `canvas_items` stretch mode
// (or when using `content_scale_factor` values different than `1.0`).
aa_size_scaled = aa_size / scale_factor;
}
if (aa_on) {
for (int i = 0; i < 4; i++) {
if (border_width[i] > 0) {
border_style_rect = border_style_rect.grow_side((Side)i, -aa_size);
border_style_rect = border_style_rect.grow_side((Side)i, -aa_size_scaled);
}
}
}
@ -457,26 +477,27 @@ void StyleBoxFlat::draw(RID p_canvas_item, const Rect2 &p_rect) const {
real_t aa_border_width_half[4];
real_t aa_fill_width[4];
real_t aa_fill_width_half[4];
if (draw_border) {
for (int i = 0; i < 4; i++) {
if (border_width[i] > 0) {
aa_border_width[i] = aa_size;
aa_border_width_half[i] = aa_size / 2;
aa_border_width[i] = aa_size_scaled;
aa_border_width_half[i] = aa_size_scaled * 0.5;
aa_fill_width[i] = 0;
aa_fill_width_half[i] = 0;
} else {
aa_border_width[i] = 0;
aa_border_width_half[i] = 0;
aa_fill_width[i] = aa_size;
aa_fill_width_half[i] = aa_size / 2;
aa_fill_width[i] = aa_size_scaled;
aa_fill_width_half[i] = aa_size_scaled * 0.5;
}
}
} else {
for (int i = 0; i < 4; i++) {
aa_border_width[i] = 0;
aa_border_width_half[i] = 0;
aa_fill_width[i] = aa_size;
aa_fill_width_half[i] = aa_size / 2;
aa_fill_width[i] = aa_size_scaled;
aa_fill_width_half[i] = aa_size_scaled * 0.5;
}
}
@ -529,7 +550,7 @@ 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_scaled : 0);
uvs.resize(verts.size());
Point2 *uvs_ptr = uvs.ptrw();
for (int i = 0; i < verts.size(); i++) {