Use AT_MOST measurespec when onyl max dimension is defined

This commit is contained in:
Emil Sjolander
2016-07-02 11:22:57 +01:00
parent 383d8a6b3d
commit a1f36b53f5
5 changed files with 82 additions and 40 deletions

29
dist/css-layout.h vendored
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@@ -1989,17 +1989,28 @@ void layoutNode(css_node_t* node, float availableWidth, float availableHeight, c
// parameters don't change.
gCurrentGenerationCount++;
// If the caller didn't specify a height/width, use the dimensions
// specified in the style.
if (isUndefined(availableWidth) && isStyleDimDefined(node, CSS_FLEX_DIRECTION_ROW)) {
availableWidth = node->style.dimensions[CSS_WIDTH] + getMarginAxis(node, CSS_FLEX_DIRECTION_ROW);
}
if (isUndefined(availableHeight) && isStyleDimDefined(node, CSS_FLEX_DIRECTION_COLUMN)) {
availableHeight = node->style.dimensions[CSS_HEIGHT] + getMarginAxis(node, CSS_FLEX_DIRECTION_COLUMN);
css_measure_mode_t widthMeasureMode = CSS_MEASURE_MODE_UNDEFINED;
css_measure_mode_t heightMeasureMode = CSS_MEASURE_MODE_UNDEFINED;
if (!isUndefined(availableWidth)) {
widthMeasureMode = CSS_MEASURE_MODE_EXACTLY;
} else if (isStyleDimDefined(node, CSS_FLEX_DIRECTION_ROW)) {
availableWidth = node->style.dimensions[dim[CSS_FLEX_DIRECTION_ROW]] + getMarginAxis(node, CSS_FLEX_DIRECTION_ROW);
widthMeasureMode = CSS_MEASURE_MODE_EXACTLY;
} else if (node->style.maxDimensions[CSS_WIDTH] >= 0.0) {
availableWidth = node->style.maxDimensions[CSS_WIDTH];
widthMeasureMode = CSS_MEASURE_MODE_AT_MOST;
}
css_measure_mode_t widthMeasureMode = isUndefined(availableWidth) ? CSS_MEASURE_MODE_UNDEFINED : CSS_MEASURE_MODE_EXACTLY;
css_measure_mode_t heightMeasureMode = isUndefined(availableHeight) ? CSS_MEASURE_MODE_UNDEFINED : CSS_MEASURE_MODE_EXACTLY;
if (!isUndefined(availableHeight)) {
heightMeasureMode = CSS_MEASURE_MODE_EXACTLY;
} else if (isStyleDimDefined(node, CSS_FLEX_DIRECTION_COLUMN)) {
availableHeight = node->style.dimensions[dim[CSS_FLEX_DIRECTION_COLUMN]] + getMarginAxis(node, CSS_FLEX_DIRECTION_COLUMN);
heightMeasureMode = CSS_MEASURE_MODE_EXACTLY;
} else if (node->style.maxDimensions[CSS_HEIGHT] >= 0.0) {
availableHeight = node->style.maxDimensions[CSS_HEIGHT];
heightMeasureMode = CSS_MEASURE_MODE_AT_MOST;
}
if (layoutNodeInternal(node, availableWidth, availableHeight, parentDirection, widthMeasureMode, heightMeasureMode, true, "initial")) {

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dist/css-layout.jar vendored

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@@ -1783,17 +1783,28 @@ void layoutNode(css_node_t* node, float availableWidth, float availableHeight, c
// parameters don't change.
gCurrentGenerationCount++;
// If the caller didn't specify a height/width, use the dimensions
// specified in the style.
if (isUndefined(availableWidth) && isStyleDimDefined(node, CSS_FLEX_DIRECTION_ROW)) {
availableWidth = node->style.dimensions[CSS_WIDTH] + getMarginAxis(node, CSS_FLEX_DIRECTION_ROW);
}
if (isUndefined(availableHeight) && isStyleDimDefined(node, CSS_FLEX_DIRECTION_COLUMN)) {
availableHeight = node->style.dimensions[CSS_HEIGHT] + getMarginAxis(node, CSS_FLEX_DIRECTION_COLUMN);
css_measure_mode_t widthMeasureMode = CSS_MEASURE_MODE_UNDEFINED;
css_measure_mode_t heightMeasureMode = CSS_MEASURE_MODE_UNDEFINED;
if (!isUndefined(availableWidth)) {
widthMeasureMode = CSS_MEASURE_MODE_EXACTLY;
} else if (isStyleDimDefined(node, CSS_FLEX_DIRECTION_ROW)) {
availableWidth = node->style.dimensions[dim[CSS_FLEX_DIRECTION_ROW]] + getMarginAxis(node, CSS_FLEX_DIRECTION_ROW);
widthMeasureMode = CSS_MEASURE_MODE_EXACTLY;
} else if (node->style.maxDimensions[CSS_WIDTH] >= 0.0) {
availableWidth = node->style.maxDimensions[CSS_WIDTH];
widthMeasureMode = CSS_MEASURE_MODE_AT_MOST;
}
css_measure_mode_t widthMeasureMode = isUndefined(availableWidth) ? CSS_MEASURE_MODE_UNDEFINED : CSS_MEASURE_MODE_EXACTLY;
css_measure_mode_t heightMeasureMode = isUndefined(availableHeight) ? CSS_MEASURE_MODE_UNDEFINED : CSS_MEASURE_MODE_EXACTLY;
if (!isUndefined(availableHeight)) {
heightMeasureMode = CSS_MEASURE_MODE_EXACTLY;
} else if (isStyleDimDefined(node, CSS_FLEX_DIRECTION_COLUMN)) {
availableHeight = node->style.dimensions[dim[CSS_FLEX_DIRECTION_COLUMN]] + getMarginAxis(node, CSS_FLEX_DIRECTION_COLUMN);
heightMeasureMode = CSS_MEASURE_MODE_EXACTLY;
} else if (node->style.maxDimensions[CSS_HEIGHT] >= 0.0) {
availableHeight = node->style.maxDimensions[CSS_HEIGHT];
heightMeasureMode = CSS_MEASURE_MODE_AT_MOST;
}
if (layoutNodeInternal(node, availableWidth, availableHeight, parentDirection, widthMeasureMode, heightMeasureMode, true, "initial")) {

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@@ -260,21 +260,30 @@ namespace Facebook.CSSLayout
// parameters don't change.
layoutContext.currentGenerationCount++;
// If the caller didn't specify a height/width, use the dimensions
// specified in the style.
if (float.IsNaN(availableWidth) && node.style.dimensions[DIMENSION_WIDTH] >= 0.0)
{
float marginAxisRow = (node.style.margin.getWithFallback(leadingSpacing[CSS_FLEX_DIRECTION_ROW], leading[CSS_FLEX_DIRECTION_ROW]) + node.style.margin.getWithFallback(trailingSpacing[CSS_FLEX_DIRECTION_ROW], trailing[CSS_FLEX_DIRECTION_ROW]));
availableWidth = node.style.dimensions[DIMENSION_WIDTH] + marginAxisRow;
}
if (float.IsNaN(availableHeight) && node.style.dimensions[DIMENSION_HEIGHT] >= 0.0)
{
float marginAxisColumn = (node.style.margin.getWithFallback(leadingSpacing[CSS_FLEX_DIRECTION_COLUMN], leading[CSS_FLEX_DIRECTION_COLUMN]) + node.style.margin.getWithFallback(trailingSpacing[CSS_FLEX_DIRECTION_COLUMN], trailing[CSS_FLEX_DIRECTION_COLUMN]));
availableHeight = node.style.dimensions[DIMENSION_HEIGHT] + marginAxisColumn;
CSSMeasureMode widthMeasureMode = CSSMeasureMode.Undefined;
CSSMeasureMode heightMeasureMode = CSSMeasureMode.Undefined;
if (!float.IsNaN(availableWidth)) {
widthMeasureMode = CSSMeasureMode.Exactly;
} else if (node.style.dimensions[DIMENSION_WIDTH] >= 0.0) {
float marginAxisRow = (node.style.margin.getWithFallback(leadingSpacing[CSS_FLEX_DIRECTION_ROW], leading[CSS_FLEX_DIRECTION_ROW]) + node.style.margin.getWithFallback(trailingSpacing[CSS_FLEX_DIRECTION_ROW], trailing[CSS_FLEX_DIRECTION_ROW]));
availableWidth = node.style.dimensions[DIMENSION_WIDTH] + marginAxisRow;
widthMeasureMode = CSSMeasureMode.Exactly;
} else if (node.style.maxWidth >= 0.0) {
availableWidth = node.style.maxWidth;
widthMeasureMode = CSSMeasureMode.AtMost;
}
CSSMeasureMode widthMeasureMode = float.IsNaN(availableWidth) ? CSSMeasureMode.Undefined : CSSMeasureMode.Exactly;
CSSMeasureMode heightMeasureMode = float.IsNaN(availableHeight) ? CSSMeasureMode.Undefined : CSSMeasureMode.Exactly;
if (!float.IsNaN(availableHeight)) {
heightMeasureMode = CSSMeasureMode.Exactly;
} else if (node.style.dimensions[DIMENSION_HEIGHT] >= 0.0) {
float marginAxisColumn = (node.style.margin.getWithFallback(leadingSpacing[CSS_FLEX_DIRECTION_COLUMN], leading[CSS_FLEX_DIRECTION_COLUMN]) + node.style.margin.getWithFallback(trailingSpacing[CSS_FLEX_DIRECTION_COLUMN], trailing[CSS_FLEX_DIRECTION_COLUMN]));
availableHeight = node.style.dimensions[DIMENSION_HEIGHT] + marginAxisColumn;
heightMeasureMode = CSSMeasureMode.Exactly;
} else if (node.style.maxHeight >= 0.0) {
availableHeight = node.style.maxHeight;
heightMeasureMode = CSSMeasureMode.AtMost;
}
if (layoutNodeInternal(layoutContext, node, availableWidth, availableHeight, parentDirection, widthMeasureMode, heightMeasureMode, true, "initial"))
{

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@@ -231,19 +231,30 @@ public class LayoutEngine {
// parameters don't change.
layoutContext.currentGenerationCount++;
// If the caller didn't specify a height/width, use the dimensions
// specified in the style.
if (Float.isNaN(availableWidth) && node.style.dimensions[DIMENSION_WIDTH] >= 0.0) {
CSSMeasureMode widthMeasureMode = CSSMeasureMode.UNDEFINED;
CSSMeasureMode heightMeasureMode = CSSMeasureMode.UNDEFINED;
if (!Float.isNaN(availableWidth)) {
widthMeasureMode = CSSMeasureMode.EXACTLY;
} else if (node.style.dimensions[DIMENSION_WIDTH] >= 0.0) {
float marginAxisRow = (node.style.margin.getWithFallback(leadingSpacing[CSS_FLEX_DIRECTION_ROW], leading[CSS_FLEX_DIRECTION_ROW]) + node.style.margin.getWithFallback(trailingSpacing[CSS_FLEX_DIRECTION_ROW], trailing[CSS_FLEX_DIRECTION_ROW]));
availableWidth = node.style.dimensions[DIMENSION_WIDTH] + marginAxisRow;
}
if (Float.isNaN(availableHeight) && node.style.dimensions[DIMENSION_HEIGHT] >= 0.0) {
float marginAxisColumn = (node.style.margin.getWithFallback(leadingSpacing[CSS_FLEX_DIRECTION_COLUMN], leading[CSS_FLEX_DIRECTION_COLUMN]) + node.style.margin.getWithFallback(trailingSpacing[CSS_FLEX_DIRECTION_COLUMN], trailing[CSS_FLEX_DIRECTION_COLUMN]));
availableHeight = node.style.dimensions[DIMENSION_HEIGHT] + marginAxisColumn;
widthMeasureMode = CSSMeasureMode.EXACTLY;
} else if (node.style.maxWidth >= 0.0) {
availableWidth = node.style.maxWidth;
widthMeasureMode = CSSMeasureMode.AT_MOST;
}
CSSMeasureMode widthMeasureMode = Float.isNaN(availableWidth) ? CSSMeasureMode.UNDEFINED : CSSMeasureMode.EXACTLY;
CSSMeasureMode heightMeasureMode = Float.isNaN(availableHeight) ? CSSMeasureMode.UNDEFINED : CSSMeasureMode.EXACTLY;
if (!Float.isNaN(availableHeight)) {
heightMeasureMode = CSSMeasureMode.EXACTLY;
} else if (node.style.dimensions[DIMENSION_HEIGHT] >= 0.0) {
float marginAxisColumn = (node.style.margin.getWithFallback(leadingSpacing[CSS_FLEX_DIRECTION_COLUMN], leading[CSS_FLEX_DIRECTION_COLUMN]) + node.style.margin.getWithFallback(trailingSpacing[CSS_FLEX_DIRECTION_COLUMN], trailing[CSS_FLEX_DIRECTION_COLUMN]));
availableHeight = node.style.dimensions[DIMENSION_HEIGHT] + marginAxisColumn;
heightMeasureMode = CSSMeasureMode.EXACTLY;
} else if (node.style.maxHeight >= 0.0) {
availableHeight = node.style.maxHeight;
heightMeasureMode = CSSMeasureMode.AT_MOST;
}
if (layoutNodeInternal(layoutContext, node, availableWidth, availableHeight, parentDirection, widthMeasureMode, heightMeasureMode, true, "initial")) {
setPosition(node, node.layout.direction);