24     SkReader32() : fCurr(nullptr), fStop(nullptr), fBase(nullptr) {}  in SkReader32()
33         fBase = fCurr = (const char*)data;  in setMemory()
38     size_t offset() const { return fCurr - fBase; }  in offset()
39     bool eof() const { return fCurr >= fStop; }  in eof()
41     const void* peek() const { return fCurr; }  in peek()
43     size_t available() const { return fStop - fCurr; }  in available()
46     void rewind() { fCurr = fBase; }  in rewind()
51         fCurr = fBase + offset;  in setOffset()
57         SkASSERT(ptr_align_4(fCurr));  in readInt()
58         int32_t value = *(const int32_t*)fCurr;  in readInt()
59         fCurr += sizeof(value);  in readInt()
60         SkASSERT(fCurr <= fStop);  in readInt()
68             ptr = *(void**)fCurr;  in readPtr()
70             memcpy(&ptr, fCurr, sizeof(void*));  in readPtr()
72         fCurr += sizeof(void*);  in readPtr()
77         SkASSERT(ptr_align_4(fCurr));  in readScalar()
78         SkScalar value = *(const SkScalar*)fCurr;  in readScalar()
79         fCurr += sizeof(value);  in readScalar()
80         SkASSERT(fCurr <= fStop);  in readScalar()
85         SkASSERT(ptr_align_4(fCurr));  in skip()
86         const void* addr = fCurr;  in skip()
87         fCurr += SkAlign4(size);  in skip()
88         SkASSERT(fCurr <= fStop);  in skip()
99         SkASSERT(ptr_align_4(fCurr));  in read()
100         sk_careful_memcpy(dst, fCurr, size);  in read()
101         fCurr += SkAlign4(size);  in read()
102         SkASSERT(fCurr <= fStop);  in read()
158     const char* fCurr;  // current position within buffer  variable