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Issue #1925 - Convert NS_SIDE_TO_HALF_CORNER to a constexpr function.

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This commit is contained in:
Moonchild 2024-08-02 11:15:28 +02:00 • committed by roytam1
commit c096b46278
4 changed files with 29 additions and 15 deletions
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12
layout/generic/nsFrame.cpp
View file

@ -1284,8 +1284,8 @@ nsIFrame::ComputeBorderRadii(const nsStyleCorners& aBorderRadius,
bool haveRadius = false;
double ratio = 1.0f;
NS_FOR_CSS_SIDES(side) {
uint32_t hc1 = NS_SIDE_TO_HALF_CORNER(side, false, true);
uint32_t hc2 = NS_SIDE_TO_HALF_CORNER(side, true, true);
uint32_t hc1 = SideToHalfCorner(side, false, true);
uint32_t hc2 = SideToHalfCorner(side, true, true);
nscoord length =
SideIsVertical(side) ? aBorderArea.height : aBorderArea.width;
nscoord sum = aRadii[hc1] + aRadii[hc2];
@ -1310,8 +1310,8 @@ nsIFrame::InsetBorderRadii(nscoord aRadii[8], const nsMargin &aOffsets)
{
NS_FOR_CSS_SIDES(side) {
nscoord offset = aOffsets.Side(side);
uint32_t hc1 = NS_SIDE_TO_HALF_CORNER(side, false, false);
uint32_t hc2 = NS_SIDE_TO_HALF_CORNER(side, true, false);
uint32_t hc1 = SideToHalfCorner(side, false, false);
uint32_t hc2 = SideToHalfCorner(side, true, false);
aRadii[hc1] = std::max(0, aRadii[hc1] - offset);
aRadii[hc2] = std::max(0, aRadii[hc2] - offset);
}
@ -1322,8 +1322,8 @@ nsIFrame::OutsetBorderRadii(nscoord aRadii[8], const nsMargin &aOffsets)
{
NS_FOR_CSS_SIDES(side) {
nscoord offset = aOffsets.Side(side);
uint32_t hc1 = NS_SIDE_TO_HALF_CORNER(side, false, false);
uint32_t hc2 = NS_SIDE_TO_HALF_CORNER(side, true, false);
uint32_t hc1 = SideToHalfCorner(side, false, false);
uint32_t hc2 = SideToHalfCorner(side, true, false);
if (aRadii[hc1] > 0)
aRadii[hc1] += offset;
if (aRadii[hc2] > 0)

7
layout/style/nsStyleConsts.h
View file

@ -16,13 +16,6 @@
namespace mozilla {
// The results of these conversion macros are exhaustively checked in
// nsStyleCoord.cpp.
// Arguments must not have side effects.
#define NS_SIDE_TO_HALF_CORNER(side_, second_, parallel_) \
((((side_) + !!(second_))*2 + ((side_) + !(parallel_))%2) % 8)
// Basic shapes
enum class StyleBasicShapeType : uint8_t {
Polygon,

5
layout/style/nsStyleCoord.cpp
View file

@ -397,9 +397,10 @@ CASE(eSideLeft, false, eCornerBottomLeft);
CASE(eSideLeft, true, eCornerTopLeft);
#undef CASE
//Validation of SideToHalfCorner.
#define CASE(side, second, parallel, result) \
static_assert(NS_SIDE_TO_HALF_CORNER(side, second, parallel) == result, \
"NS_SIDE_TO_HALF_CORNER is wrong")
static_assert(SideToHalfCorner(side, second, parallel) == result, \
"SideToHalfCorner is wrong")
CASE(eSideTop, false, true, eCornerTopLeftX);
CASE(eSideTop, false, false, eCornerTopLeftY);
CASE(eSideTop, true, true, eCornerTopRightX);