mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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Bug 746966: Conditionally set NS_FRAME_IN_CONSTRAINED_HEIGHT for font inflation on percentage-based height so fonts with room to inflate can do so. [r=dbaron]
This commit is contained in:
Scott Johnson
parent
4f04009225
commit
adac9ae3ae
@ -303,7 +303,36 @@ nsHTMLReflowState::Init(nsPresContext* aPresContext,
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(frame->GetContent() &&
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!(frame->GetContent()->IsHTML(nsGkAtoms::body) ||
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frame->GetContent()->IsHTML(nsGkAtoms::html)))) {
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frame->AddStateBits(NS_FRAME_IN_CONSTRAINED_HEIGHT);
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// If our height was specified as a percentage, then this could
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// actually resolve to 'auto', based on:
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// http://www.w3.org/TR/CSS21/visudet.html#the-height-property
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nsIFrame* containingBlk = frame;
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while (containingBlk) {
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const nsStylePosition* stylePos = containingBlk->GetStylePosition();
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if ((stylePos->mHeight.IsCoordPercentCalcUnit() &&
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!stylePos->mHeight.HasPercent()) ||
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(stylePos->mMaxHeight.IsCoordPercentCalcUnit() &&
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!stylePos->mMaxHeight.HasPercent())) {
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frame->AddStateBits(NS_FRAME_IN_CONSTRAINED_HEIGHT);
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break;
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} else if ((stylePos->mHeight.IsCoordPercentCalcUnit() &&
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stylePos->mHeight.HasPercent()) ||
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(stylePos->mMaxHeight.IsCoordPercentCalcUnit() &&
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stylePos->mMaxHeight.HasPercent())) {
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if (!(containingBlk = containingBlk->GetContainingBlock())) {
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// If we've reached the top of the tree, then we don't have
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// a constrained height.
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frame->RemoveStateBits(NS_FRAME_IN_CONSTRAINED_HEIGHT);
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break;
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}
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continue;
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} else {
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frame->RemoveStateBits(NS_FRAME_IN_CONSTRAINED_HEIGHT);
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break;
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}
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}
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} else {
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frame->RemoveStateBits(NS_FRAME_IN_CONSTRAINED_HEIGHT);
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}
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@ -0,0 +1,17 @@
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<!DOCTYPE HTML>
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<style>
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div { font-size: 34px; width: 450px }
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#center-block { height: 80%;}
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#center-col { background: yellow; }
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p { margin-top: 0px; }
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</style>
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<!--
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In a 450px container, the minimum font size at 15em per line is 30px.
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This means we map 0px-45px into 30px-45px, so 12px gets mapped to 34px.
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-->
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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@ -0,0 +1,17 @@
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<!DOCTYPE HTML>
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<style>
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div { margin-top: 0; font-size: 12px; width: 450px }
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#center-block { height: 80%; }
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#center-col { background: yellow }
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p { margin-top: 0px; }
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</style>
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<!--
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In a 450px container, the minimum font size at 15em per line is 30px.
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This means we map 0px-45px into 30px-45px, so 12px gets mapped to 34px.
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-->
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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@ -0,0 +1,17 @@
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<!DOCTYPE HTML>
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<style>
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div { font-size: 34px; width: 450px }
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#center-block { max-height: 80%;}
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#center-col { background: yellow; }
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p { margin-top: 0px; }
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</style>
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<!--
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In a 450px container, the minimum font size at 15em per line is 30px.
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This means we map 0px-45px into 30px-45px, so 12px gets mapped to 34px.
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-->
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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@ -0,0 +1,17 @@
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<!DOCTYPE HTML>
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<style>
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div { margin-top: 0; font-size: 12px; width: 450px }
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#center-block { max-height: 80%; }
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#center-col { background: yellow }
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p { margin-top: 0px; }
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</style>
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<!--
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In a 450px container, the minimum font size at 15em per line is 30px.
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This means we map 0px-45px into 30px-45px, so 12px gets mapped to 34px.
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-->
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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@ -0,0 +1,17 @@
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<!DOCTYPE HTML>
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<style>
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div { font-size: 34px; width: 450px }
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#center-block { height: -moz-calc(80% + 5%); }
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#center-col { background: yellow; }
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p { margin-top: 0px; }
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</style>
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<!--
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In a 450px container, the minimum font size at 15em per line is 30px.
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This means we map 0px-45px into 30px-45px, so 12px gets mapped to 34px.
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-->
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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@ -0,0 +1,17 @@
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<!DOCTYPE HTML>
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<style>
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div { margin-top: 0; font-size: 12px; width: 450px }
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#center-block { height: -moz-calc(80% + 5%); }
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#center-col { background: yellow }
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p { margin-top: 0px; }
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</style>
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<!--
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In a 450px container, the minimum font size at 15em per line is 30px.
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This means we map 0px-45px into 30px-45px, so 12px gets mapped to 34px.
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-->
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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@ -0,0 +1,20 @@
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<!DOCTYPE HTML>
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<style>
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div { margin-top: 0; font-size: 12px; width: 450px }
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#center-block { height: 80%; }
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#center-col { background: yellow }
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#containing-block { height: 800px; }
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p { margin-top: 0px; }
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</style>
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<!--
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Because the height of the containing block is constrained, the percent height should also
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be constrained, resulting in font inflation being disabled.
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-->
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<div id="containing-block">
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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</div>
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@ -0,0 +1,20 @@
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<!DOCTYPE HTML>
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<style>
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div { margin-top: 0; font-size: 12px; width: 450px }
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#center-block { height: 80%; }
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#center-col { background: yellow }
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#containing-block { height: 800px; }
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p { margin-top: 0px; }
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</style>
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<!--
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Because the height of the containing block is constrained, the percent height should also
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be constrained, resulting in font inflation being disabled.
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-->
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<div id="containing-block">
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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</div>
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@ -0,0 +1,20 @@
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<!DOCTYPE HTML>
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<style>
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div { margin-top: 0; font-size: 12px; width: 450px }
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#center-block { height: 80%; }
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#center-col { background: yellow }
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#containing-block { height: -moz-calc(400px + 20px); }
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p { margin-top: 0px; }
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</style>
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<!--
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Because the height of the containing block is constrained, the percent height should also
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be constrained, resulting in font inflation being disabled.
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-->
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<div id="containing-block">
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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</div>
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@ -0,0 +1,20 @@
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<!DOCTYPE HTML>
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<style>
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div { margin-top: 0; font-size: 12px; width: 450px }
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#center-block { height: 80%; }
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#center-col { background: yellow }
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#containing-block { height: -moz-calc(400px + 20px); }
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p { margin-top: 0px; }
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</style>
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<!--
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Because the height of the containing block is constrained, the percent height should also
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be constrained, resulting in font inflation being disabled.
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-->
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<div id="containing-block">
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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</div>
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@ -0,0 +1,16 @@
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<!DOCTYPE HTML>
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<style>
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div { font-size: 12px; width: 450px }
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#center-block { height: 400px; }
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#center-col { background: yellow; }
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p { margin-top: 0px; }
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</style>
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<!--
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Because the height is constrained, this should not be inflated.
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-->
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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@ -0,0 +1,16 @@
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<!DOCTYPE HTML>
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<style>
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div { margin-top: 0; font-size: 12px; width: 450px }
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#center-block { height: 400px; }
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#center-col { background: yellow }
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p { margin-top: 0px; }
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</style>
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<!--
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Because the height is constrained, this should not be inflated.
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-->
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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@ -0,0 +1,16 @@
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<!DOCTYPE HTML>
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<style>
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div { margin-top: 0; font-size: 12px; width: 450px }
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#center-block { max-height: 400px; }
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#center-col { background: yellow }
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p { margin-top: 0px; }
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</style>
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<!--
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Because the max height is constrained, this should not be inflated.
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-->
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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@ -0,0 +1,16 @@
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<!DOCTYPE HTML>
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<style>
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div { margin-top: 0; font-size: 12px; width: 450px }
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#center-block { max-height: 400px; }
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#center-col { background: yellow }
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p { margin-top: 0px; }
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</style>
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<!--
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Because the max height is constrained, this should not be inflated.
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-->
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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@ -0,0 +1,20 @@
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<!DOCTYPE HTML>
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<style>
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div { margin-top: 0; font-size: 34px; width: 450px }
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#center-block { height: 80%; }
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#containing-block { height: 80%; }
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#center-col { background: yellow }
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p { margin-top: 0px; }
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</style>
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<!--
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In a 450px container, the minimum font size at 15em per line is 30px.
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This means we map 0px-45px into 30px-45px, so 12px gets mapped to 34px.
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-->
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<div id="containing-block">
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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</div>
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@ -0,0 +1,20 @@
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<!DOCTYPE HTML>
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<style>
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div { margin-top: 0; font-size: 12px; width: 450px }
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#center-block { height: 80%; }
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#containing-block { height: 80%; }
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#center-col { background: yellow }
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p { margin-top: 0px; }
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</style>
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<!--
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In a 450px container, the minimum font size at 15em per line is 30px.
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This means we map 0px-45px into 30px-45px, so 12px gets mapped to 34px.
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-->
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<div id="containing-block">
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<div id="center-block">
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<div id="center-col">
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<p>Life and death, dreaming and wakefulness: stations for the perplexed soul. It traverses them by stage, taking signs and hints from things, groping about in the sea of darkness, clinging stubbornly to a hope that smilingly and mysteriously renews itself. Traveler, what are you searching for? What emotions rage in your heart?</p>
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</div>
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</div>
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</div>
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@ -9,6 +9,14 @@ test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineTh
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == text-2.html text-2-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == text-3.html text-3-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == text-4.html text-4-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == height-constraint-percent-1.html height-constraint-percent-1-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == height-constraint-percent-2.html height-constraint-percent-2-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == height-constraint-percent-3.html height-constraint-percent-3-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == height-constraint-percent-4.html height-constraint-percent-4-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == height-constraint-percent-5.html height-constraint-percent-5-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == height-constraint-percent-6.html height-constraint-percent-6-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == height-constraint-percent-7.html height-constraint-percent-7-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == height-constraint-percent-8.html height-constraint-percent-8-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == decoration-1.html decoration-1-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == bullet-1.html bullet-1-ref.html
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test-pref(font.size.inflation.emPerLine,15) test-pref(font.size.inflation.lineThreshold,0) == bullet-2.html bullet-2-ref.html
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