185 lines
7.8 KiB
C
185 lines
7.8 KiB
C
/**
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* Copyright (c) 2014-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#pragma once
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#include <assert.h>
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#include <math.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#ifndef __cplusplus
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#include <stdbool.h>
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#endif
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// Not defined in MSVC++
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#ifndef NAN
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static const unsigned long __nan[2] = {0xffffffff, 0x7fffffff};
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#define NAN (*(const float *) __nan)
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#endif
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#define CSSUndefined NAN
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#include "CSSEnums.h"
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#include "CSSMacros.h"
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CSS_EXTERN_C_BEGIN
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typedef struct CSSSize {
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float width;
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float height;
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} CSSSize;
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typedef struct CSSNode *CSSNodeRef;
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typedef CSSSize (*CSSMeasureFunc)(CSSNodeRef node,
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float width,
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CSSMeasureMode widthMode,
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float height,
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CSSMeasureMode heightMode);
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typedef void (*CSSPrintFunc)(CSSNodeRef node);
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typedef int (*CSSLogger)(CSSLogLevel level, const char *format, va_list args);
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typedef void *(*CSSMalloc)(size_t size);
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typedef void *(*CSSCalloc)(size_t count, size_t size);
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typedef void *(*CSSRealloc)(void *ptr, size_t size);
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typedef void (*CSSFree)(void *ptr);
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// CSSNode
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WIN_EXPORT CSSNodeRef CSSNodeNew(void);
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WIN_EXPORT void CSSNodeInit(const CSSNodeRef node);
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WIN_EXPORT void CSSNodeFree(const CSSNodeRef node);
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WIN_EXPORT void CSSNodeFreeRecursive(const CSSNodeRef node);
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WIN_EXPORT void CSSNodeReset(const CSSNodeRef node);
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WIN_EXPORT int32_t CSSNodeGetInstanceCount(void);
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WIN_EXPORT void CSSNodeInsertChild(const CSSNodeRef node,
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const CSSNodeRef child,
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const uint32_t index);
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WIN_EXPORT void CSSNodeRemoveChild(const CSSNodeRef node, const CSSNodeRef child);
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WIN_EXPORT CSSNodeRef CSSNodeGetChild(const CSSNodeRef node, const uint32_t index);
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WIN_EXPORT uint32_t CSSNodeChildCount(const CSSNodeRef node);
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WIN_EXPORT void CSSNodeCalculateLayout(const CSSNodeRef node,
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const float availableWidth,
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const float availableHeight,
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const CSSDirection parentDirection);
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// Mark a node as dirty. Only valid for nodes with a custom measure function
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// set.
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// CSSLayout knows when to mark all other nodes as dirty but because nodes with
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// measure functions
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// depends on information not known to CSSLayout they must perform this dirty
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// marking manually.
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WIN_EXPORT void CSSNodeMarkDirty(const CSSNodeRef node);
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WIN_EXPORT bool CSSNodeIsDirty(const CSSNodeRef node);
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WIN_EXPORT void CSSNodePrint(const CSSNodeRef node, const CSSPrintOptions options);
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WIN_EXPORT bool CSSValueIsUndefined(const float value);
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WIN_EXPORT bool CSSNodeCanUseCachedMeasurement(const CSSMeasureMode widthMode,
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const float width,
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const CSSMeasureMode heightMode,
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const float height,
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const CSSMeasureMode lastWidthMode,
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const float lastWidth,
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const CSSMeasureMode lastHeightMode,
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const float lastHeight,
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const float lastComputedWidth,
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const float lastComputedHeight,
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const float marginRow,
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const float marginColumn);
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WIN_EXPORT void CSSNodeCopyStyle(const CSSNodeRef dstNode, const CSSNodeRef srcNode);
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#define CSS_NODE_PROPERTY(type, name, paramName) \
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WIN_EXPORT void CSSNodeSet##name(const CSSNodeRef node, type paramName); \
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WIN_EXPORT type CSSNodeGet##name(const CSSNodeRef node);
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#define CSS_NODE_STYLE_PROPERTY(type, name, paramName) \
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WIN_EXPORT void CSSNodeStyleSet##name(const CSSNodeRef node, const type paramName); \
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WIN_EXPORT type CSSNodeStyleGet##name(const CSSNodeRef node);
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#define CSS_NODE_STYLE_EDGE_PROPERTY(type, name, paramName) \
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WIN_EXPORT void CSSNodeStyleSet##name(const CSSNodeRef node, \
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const CSSEdge edge, \
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const type paramName); \
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WIN_EXPORT type CSSNodeStyleGet##name(const CSSNodeRef node, const CSSEdge edge);
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#define CSS_NODE_LAYOUT_PROPERTY(type, name) \
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WIN_EXPORT type CSSNodeLayoutGet##name(const CSSNodeRef node);
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CSS_NODE_PROPERTY(void *, Context, context);
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CSS_NODE_PROPERTY(CSSMeasureFunc, MeasureFunc, measureFunc);
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CSS_NODE_PROPERTY(CSSPrintFunc, PrintFunc, printFunc);
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CSS_NODE_PROPERTY(bool, HasNewLayout, hasNewLayout);
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CSS_NODE_STYLE_PROPERTY(CSSDirection, Direction, direction);
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CSS_NODE_STYLE_PROPERTY(CSSFlexDirection, FlexDirection, flexDirection);
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CSS_NODE_STYLE_PROPERTY(CSSJustify, JustifyContent, justifyContent);
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CSS_NODE_STYLE_PROPERTY(CSSAlign, AlignContent, alignContent);
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CSS_NODE_STYLE_PROPERTY(CSSAlign, AlignItems, alignItems);
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CSS_NODE_STYLE_PROPERTY(CSSAlign, AlignSelf, alignSelf);
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CSS_NODE_STYLE_PROPERTY(CSSPositionType, PositionType, positionType);
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CSS_NODE_STYLE_PROPERTY(CSSWrap, FlexWrap, flexWrap);
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CSS_NODE_STYLE_PROPERTY(CSSOverflow, Overflow, overflow);
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WIN_EXPORT void CSSNodeStyleSetFlex(const CSSNodeRef node, const float flex);
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CSS_NODE_STYLE_PROPERTY(float, FlexGrow, flexGrow);
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CSS_NODE_STYLE_PROPERTY(float, FlexShrink, flexShrink);
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CSS_NODE_STYLE_PROPERTY(float, FlexBasis, flexBasis);
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CSS_NODE_STYLE_EDGE_PROPERTY(float, Position, position);
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CSS_NODE_STYLE_EDGE_PROPERTY(float, Margin, margin);
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CSS_NODE_STYLE_EDGE_PROPERTY(float, Padding, padding);
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CSS_NODE_STYLE_EDGE_PROPERTY(float, Border, border);
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CSS_NODE_STYLE_PROPERTY(float, Width, width);
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CSS_NODE_STYLE_PROPERTY(float, Height, height);
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CSS_NODE_STYLE_PROPERTY(float, MinWidth, minWidth);
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CSS_NODE_STYLE_PROPERTY(float, MinHeight, minHeight);
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CSS_NODE_STYLE_PROPERTY(float, MaxWidth, maxWidth);
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CSS_NODE_STYLE_PROPERTY(float, MaxHeight, maxHeight);
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// Yoga specific properties, not compatible with flexbox specification
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// Aspect ratio control the size of the undefined dimension of a node.
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// - On a node with a set width/height aspect ratio control the size of the unset dimension
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// - On a node with a set flex basis aspect ratio controls the size of the node in the cross axis if
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// unset
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// - On a node with a measure function aspect ratio works as though the measure function measures
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// the flex basis
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// - On a node with flex grow/shrink aspect ratio controls the size of the node in the cross axis if
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// unset
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// - Aspect ratio takes min/max dimensions into account
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CSS_NODE_STYLE_PROPERTY(float, AspectRatio, aspectRatio);
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CSS_NODE_LAYOUT_PROPERTY(float, Left);
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CSS_NODE_LAYOUT_PROPERTY(float, Top);
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CSS_NODE_LAYOUT_PROPERTY(float, Right);
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CSS_NODE_LAYOUT_PROPERTY(float, Bottom);
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CSS_NODE_LAYOUT_PROPERTY(float, Width);
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CSS_NODE_LAYOUT_PROPERTY(float, Height);
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CSS_NODE_LAYOUT_PROPERTY(CSSDirection, Direction);
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WIN_EXPORT void CSSLayoutSetLogger(CSSLogger logger);
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WIN_EXPORT void CSSLog(CSSLogLevel level, const char *message, ...);
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WIN_EXPORT void CSSLayoutSetExperimentalFeatureEnabled(CSSExperimentalFeature feature,
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bool enabled);
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WIN_EXPORT bool CSSLayoutIsExperimentalFeatureEnabled(CSSExperimentalFeature feature);
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WIN_EXPORT void CSSLayoutSetMemoryFuncs(CSSMalloc cssMalloc,
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CSSCalloc cssCalloc,
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CSSRealloc cssRealloc,
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CSSFree cssFree);
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CSS_EXTERN_C_END
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