1 /*
2 * Copyright 2023 Google LLC
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #ifndef SkRectMemcpy_DEFINED
9 #define SkRectMemcpy_DEFINED
10
11 #include "include/private/base/SkAssert.h"
12 #include "include/private/base/SkTemplates.h"
13
14 #include <cstring>
15
SkRectMemcpy(void * dst,size_t dstRB,const void * src,size_t srcRB,size_t trimRowBytes,int rowCount)16 static inline void SkRectMemcpy(void* dst, size_t dstRB, const void* src, size_t srcRB,
17 size_t trimRowBytes, int rowCount) {
18 SkASSERT(trimRowBytes <= dstRB);
19 SkASSERT(trimRowBytes <= srcRB);
20 if (trimRowBytes == dstRB && trimRowBytes == srcRB) {
21 memcpy(dst, src, trimRowBytes * rowCount);
22 return;
23 }
24
25 for (int i = 0; i < rowCount; ++i) {
26 memcpy(dst, src, trimRowBytes);
27 dst = SkTAddOffset<void>(dst, dstRB);
28 src = SkTAddOffset<const void>(src, srcRB);
29 }
30 }
31
32 #endif
33