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Make the odd-sized centered CanvasItems offset

This commit is contained in:
Adam Scott 2024-07-26 12:43:33 -04:00
parent 640145e977
commit bf53956289
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GPG Key ID: F6BA2A0302E21A77
1 changed files with 17 additions and 12 deletions
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29
servers/rendering/renderer_canvas_cull.cpp
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@ -33,6 +33,7 @@
#include "core/config/project_settings.h"
#include "core/math/geometry_2d.h"
#include "core/math/transform_interpolator.h"
#include "core/math/vector2.h"
#include "renderer_viewport.h"
#include "rendering_server_default.h"
#include "rendering_server_globals.h"
@ -285,18 +286,22 @@ void RendererCanvasCull::_cull_canvas_item(Item *p_canvas_item, const Transform2
}
if (snapping_2d_transforms_to_pixel) {
// If the canvas is set on a subpixel, let's add the remainder to the new position.
// This fixes the odd sized canvas items.
Size2 rect_scale = final_xform.get_scale().snappedf(0.0001f).abs();
Point2 rect_position_scaled = rect.position * rect_scale;
Point2 remainder = Point2(
Math::fmod(rect_position_scaled.x, 1.0l),
Math::fmod(rect_position_scaled.y, 1.0l));
Point2 remainder_leftover = Point2(
Math::fmod(remainder.x / rect_scale.x, 1.0l),
Math::fmod(remainder.y / rect_scale.y, 1.0l));
final_xform.columns[2] = (final_xform.columns[2] + Point2(0.5, 0.5)).floor() - remainder_leftover;
parent_xform.columns[2] = (parent_xform.columns[2] + Point2(0.5, 0.5)).floor() - remainder_leftover;
Size2 scale = final_xform.get_scale().snappedf(0.0001);
Point2 abs_scaled_position = (rect.position * scale).abs();
Point2 odd_sized_correction = Point2(
Math::abs(Math::fmod(rect.position.x, 1.0l)),
Math::abs(Math::fmod(rect.position.y, 1.0l)));
// If the snapped canvas is smaller than a pixel, snap to the origin.
if (abs_scaled_position.x < 0.5) {
odd_sized_correction.x = abs_scaled_position.x;
}
if (abs_scaled_position.y < 0.5) {
odd_sized_correction.y = abs_scaled_position.y;
}
final_xform.columns[2] = (final_xform.columns[2] + Point2(0.5, 0.5)).floor() + odd_sized_correction;
parent_xform.columns[2] = (parent_xform.columns[2] + Point2(0.5, 0.5)).floor() + odd_sized_correction;
}
final_xform = parent_xform * final_xform;