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LibWeb: Remove implicit conversion from float and double to CSSPixels

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In general it is not safe to convert any arbitrary floating-point value
to CSSPixels. CSSPixels has a resolution of 0.015625, which for small
values (e.g. scale factors between 0 and 1), can produce bad results
if converted to CSSPixels then scaled back up. In the worst case values
can underflow to zero and produce incorrect results.
This commit is contained in:
MacDue 2023-08-26 15:03:04 +01:00 • committed by Alexander Kalenik
parent 0f9c088302
commit 360c0eb509
43 changed files with 248 additions and 221 deletions
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36
Tests/LibWeb/Layout/expected/flex/reverse-flex-layout-with-space-between-and-space-around.txt
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@ -2,37 +2,37 @@ Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (0,0) content-size 800x616 [BFC] children: not-inline
BlockContainer <body> at (8,8) content-size 784x600 children: not-inline
Box <div.outer.row> at (8,8) content-size 150x150 flex-container(row) [FFC] children: not-inline
BlockContainer <div.inner> at (12.625,8) content-size 30.078125x150 flex-item [BFC] children: inline
BlockContainer <div.inner> at (12.609375,8) content-size 30.078125x150 flex-item [BFC] children: inline
line 0 width: 30.078125, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 4, rect: [12.625,8 30.078125x17.46875]
frag 0 from TextNode start: 0, length: 4, rect: [12.609375,8 30.078125x17.46875]
"Well"
TextNode <#text>
BlockContainer <div.inner> at (51.9375,8) content-size 36.84375x150 flex-item [BFC] children: inline
BlockContainer <div.inner> at (51.921875,8) content-size 36.84375x150 flex-item [BFC] children: inline
line 0 width: 36.84375, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 5, rect: [51.9375,8 36.84375x17.46875]
frag 0 from TextNode start: 0, length: 5, rect: [51.921875,8 36.84375x17.46875]
"hello"
TextNode <#text>
BlockContainer <div.inner> at (98.015625,8) content-size 55.359375x150 flex-item [BFC] children: inline
BlockContainer <div.inner> at (98,8) content-size 55.359375x150 flex-item [BFC] children: inline
line 0 width: 55.359375, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 7, rect: [98.015625,8 55.359375x17.46875]
frag 0 from TextNode start: 0, length: 7, rect: [98,8 55.359375x17.46875]
"friends"
TextNode <#text>
BlockContainer <(anonymous)> at (8,158) content-size 784x0 children: inline
TextNode <#text>
Box <div.outer.row-reverse> at (8,158) content-size 150x150 flex-container(row-reverse) [FFC] children: not-inline
BlockContainer <div.inner> at (123.296875,158) content-size 30.078125x150 flex-item [BFC] children: inline
BlockContainer <div.inner> at (123.3125,158) content-size 30.078125x150 flex-item [BFC] children: inline
line 0 width: 30.078125, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 4, rect: [123.296875,158 30.078125x17.46875]
frag 0 from TextNode start: 0, length: 4, rect: [123.3125,158 30.078125x17.46875]
"Well"
TextNode <#text>
BlockContainer <div.inner> at (77.21875,158) content-size 36.84375x150 flex-item [BFC] children: inline
BlockContainer <div.inner> at (77.234375,158) content-size 36.84375x150 flex-item [BFC] children: inline
line 0 width: 36.84375, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 5, rect: [77.21875,158 36.84375x17.46875]
frag 0 from TextNode start: 0, length: 5, rect: [77.234375,158 36.84375x17.46875]
"hello"
TextNode <#text>
BlockContainer <div.inner> at (12.625,158) content-size 55.359375x150 flex-item [BFC] children: inline
BlockContainer <div.inner> at (12.640625,158) content-size 55.359375x150 flex-item [BFC] children: inline
line 0 width: 55.359375, height: 17.46875, bottom: 17.46875, baseline: 13.53125
frag 0 from TextNode start: 0, length: 7, rect: [12.625,158 55.359375x17.46875]
frag 0 from TextNode start: 0, length: 7, rect: [12.640625,158 55.359375x17.46875]
"friends"
TextNode <#text>
BlockContainer <(anonymous)> at (8,308) content-size 784x0 children: inline
@ -76,19 +76,19 @@ ViewportPaintable (Viewport<#document>) [0,0 800x600] overflow: [0,0 800x616]
PaintableWithLines (BlockContainer<HTML>) [0,0 800x616]
PaintableWithLines (BlockContainer<BODY>) [8,8 784x600]
PaintableBox (Box<DIV>.outer.row) [8,8 150x150]
PaintableWithLines (BlockContainer<DIV>.inner) [12.625,8 30.078125x150]
PaintableWithLines (BlockContainer<DIV>.inner) [12.609375,8 30.078125x150]
TextPaintable (TextNode<#text>)
PaintableWithLines (BlockContainer<DIV>.inner) [51.9375,8 36.84375x150]
PaintableWithLines (BlockContainer<DIV>.inner) [51.921875,8 36.84375x150]
TextPaintable (TextNode<#text>)
PaintableWithLines (BlockContainer<DIV>.inner) [98.015625,8 55.359375x150]
PaintableWithLines (BlockContainer<DIV>.inner) [98,8 55.359375x150]
TextPaintable (TextNode<#text>)
PaintableWithLines (BlockContainer(anonymous)) [8,158 784x0]
PaintableBox (Box<DIV>.outer.row-reverse) [8,158 150x150]
PaintableWithLines (BlockContainer<DIV>.inner) [123.296875,158 30.078125x150]
PaintableWithLines (BlockContainer<DIV>.inner) [123.3125,158 30.078125x150]
TextPaintable (TextNode<#text>)
PaintableWithLines (BlockContainer<DIV>.inner) [77.21875,158 36.84375x150]
PaintableWithLines (BlockContainer<DIV>.inner) [77.234375,158 36.84375x150]
TextPaintable (TextNode<#text>)
PaintableWithLines (BlockContainer<DIV>.inner) [12.625,158 55.359375x150]
PaintableWithLines (BlockContainer<DIV>.inner) [12.640625,158 55.359375x150]
TextPaintable (TextNode<#text>)
PaintableWithLines (BlockContainer(anonymous)) [8,308 784x0]
PaintableBox (Box<DIV>.outer.column) [8,308 150x150]