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Issue #1925 - Rewrite NS_FOR_CSS_CORNERS to be similar to *_SIDES

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- Renames it to NS_CSS_FULL_CORNERS and uses the one macro for all full
  corners. In preparation for giving half corners the same treatment.
- Swaps to prefix operator++
This commit is contained in:
Moonchild 2024-08-02 04:50:01 +02:00 • committed by roytam1
commit 0a7f42b452
4 changed files with 18 additions and 21 deletions
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26
gfx/2d/Types.h
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@ -411,26 +411,28 @@ enum Corner {
eCornerTopLeft = 0,
eCornerTopRight = 1,
eCornerBottomRight = 2,
eCornerBottomLeft = 3,
eNumCorners = 4
eCornerBottomLeft = 3
};
#define NS_CORNER_TOP_LEFT mozilla::eCornerTopLeft
#define NS_CORNER_TOP_RIGHT mozilla::eCornerTopRight
#define NS_CORNER_BOTTOM_RIGHT mozilla::eCornerBottomRight
#define NS_CORNER_BOTTOM_LEFT mozilla::eCornerBottomLeft
#define NS_NUM_CORNERS mozilla::eNumCorners
#define NS_FOR_CSS_CORNERS(var_) \
for (mozilla::Corner var_ = NS_CORNER_TOP_LEFT; \
var_ <= NS_CORNER_BOTTOM_LEFT; \
var_++)
// Creates a for loop that walks over the four mozilla::Corner values. This
// implementation uses the same technique as NS_FOR_CSS_SIDES.
#define NS_FOR_CSS_FULL_CORNERS(var_) \
int32_t MOZ_CONCAT(var_,__LINE__) = mozilla::eCornerTopLeft; \
for (mozilla::Corner var_; \
MOZ_CONCAT(var_,__LINE__) <= mozilla::eCornerBottomLeft && \
(var_ = mozilla::Corner(MOZ_CONCAT(var_,__LINE__)), true); \
++MOZ_CONCAT(var_,__LINE__))
static inline mozilla::Corner operator++(mozilla::Corner& corner, int) {
MOZ_ASSERT(corner >= NS_CORNER_TOP_LEFT &&
corner < NS_NUM_CORNERS, "Out of range corner");
corner = mozilla::Corner(corner + 1);
return corner;
static inline mozilla::Corner operator++(mozilla::Corner& aCorner) {
MOZ_ASSERT(aCorner >= eCornerTopLeft && aCorner <= eCornerBottomLeft,
"Out of range corner!");
aCorner = mozilla::Corner(aCorner + 1);
return aCorner;
}
} // namespace mozilla