SkRegionPriv Class Reference

#include <SkRegionPriv.h>

Public Types
typedef SkRegion::RunType	RunType
typedef SkRegion::RunHead	RunHead

Static Public Member Functions
static void	VisitSpans (const SkRegion &rgn, const std::function< void(const SkIRect &)> &)

Static Public Attributes
static constexpr int	kRunTypeSentinel = 0x7FFFFFFF

Detailed Description

Definition at line 19 of file SkRegionPriv.h.

Member Typedef Documentation

RunHead

typedef SkRegion::RunHead SkRegionPriv::RunHead

Definition at line 23 of file SkRegionPriv.h.

RunType

typedef SkRegion::RunType SkRegionPriv::RunType

Definition at line 22 of file SkRegionPriv.h.

Member Function Documentation

VisitSpans()

void SkRegionPriv::VisitSpans ( const SkRegion &  rgn, const std::function< void(const SkIRect &)> &  visitor  )

static

Definition at line 1555 of file SkRegion.cpp.

                                                                                {
    if (rgn.isEmpty()) {
        return;
    }
    if (rgn.isRect()) {
        visitor(rgn.getBounds());
    } else {
        const int32_t* p = rgn.fRunHead->readonly_runs();
        int32_t top = *p++;
        int32_t bot = *p++;
        do {
            int pairCount = *p++;
            if (pairCount == 1) {
                visitor({ p[0], top, p[1], bot });
                p += 2;
            } else if (pairCount > 1) {
                // we have to loop repeated in Y, sending each interval in Y -> X order
                for (int y = top; y < bot; ++y) {
                    visit_pairs(pairCount, y, p, visitor);
                }
                p += pairCount * 2;
            }
            assert_sentinel(*p, true);
            p += 1; // skip sentinel
 
            // read next bottom or sentinel
            top = bot;
            bot = *p++;
        } while (!SkRegionValueIsSentinel(bot));
    }
}

Member Data Documentation

kRunTypeSentinel

constexpr int SkRegionPriv::kRunTypeSentinel = 0x7FFFFFFF

inlinestaticconstexpr

Definition at line 21 of file SkRegionPriv.h.

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The documentation for this class was generated from the following files:

• third_party/skia/src/core/SkRegionPriv.h
• third_party/skia/src/core/SkRegion.cpp