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core: Make hit test methods not sync if the pixel is outside a dirty region

This commit is contained in:
Nathan Adams 2023-03-24 17:56:38 +01:00
parent 8fc1b0d48e
commit 864ee1c6df
1 changed files with 12 additions and 17 deletions
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29
core/src/bitmap/bitmap_data_operations.rs
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@ -763,10 +763,11 @@ pub fn hit_test_point(
test_point: (i32, i32),
) -> bool {
if target.is_point_in_bounds(test_point.0, test_point.1) {
let x = test_point.0 as u32;
let y = test_point.1 as u32;
target
.sync()
.read()
.get_pixel32_raw(test_point.0 as u32, test_point.1 as u32)
.read_area(PixelRegion::for_pixel(x, y))
.get_pixel32_raw(x, y)
.alpha() as u32
>= alpha_threshold
} else {
@ -780,17 +781,13 @@ pub fn hit_test_rectangle(
top_left: (i32, i32),
size: (i32, i32),
) -> bool {
let target = target.sync();
let read = target.read();
let mut region = PixelRegion::for_region_i32(top_left.0, top_left.1, size.0, size.1);
region.clamp(target.width(), target.height());
let read = target.read_area(region);
for x in 0..size.0 {
for y in 0..size.1 {
if read.is_point_in_bounds(top_left.0 + x, top_left.1 + y)
&& read
.get_pixel32_raw((top_left.0 + x) as u32, (top_left.1 + y) as u32)
.alpha() as u32
>= alpha_threshold
{
for x in region.min_x..region.max_x {
for y in region.min_y..region.max_y {
if read.get_pixel32_raw(x, y).alpha() as u32 >= alpha_threshold {
return true;
}
}
@ -835,10 +832,8 @@ pub fn hit_test_bitmapdata<'gc>(
)
};
let target = target.sync();
let test = test.sync();
let target = target.read();
let test = test.read();
let target = target.read_area(PixelRegion::for_region(self_x0, self_y0, width, height));
let test = test.read_area(PixelRegion::for_region(test_x0, test_y0, width, height));
for x in 0..width {
for y in 0..height {