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Diffstat (limited to 'include/graphics/SkUtils.h')
| -rw-r--r-- | include/graphics/SkUtils.h | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/include/graphics/SkUtils.h b/include/graphics/SkUtils.h deleted file mode 100644 index f3e3341..0000000 --- a/include/graphics/SkUtils.h +++ /dev/null @@ -1,140 +0,0 @@ -/* - * Copyright (C) 2006 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef SkUtils_DEFINED -#define SkUtils_DEFINED - -#include "SkTypes.h" - -/////////////////////////////////////////////////////////////////////////// - -/** Similar to memset(), but it assigns a 16bit value into the buffer. - @param buffer The memory to have value copied into it - @param value The 16bit value to be copied into buffer - @param count The number of times value should be copied into the buffer. -*/ -void sk_memset16_portable(uint16_t dst[], uint16_t value, int count); - -/** Similar to memset(), but it assigns a 32bit value into the buffer. - @param buffer The memory to have value copied into it - @param value The 32bit value to be copied into buffer - @param count The number of times value should be copied into the buffer. -*/ -void sk_memset32_portable(uint32_t dst[], uint32_t value, int count); - -#ifdef ANDROID - #include "cutils/memory.h" - - #define sk_memset16(dst, value, count) android_memset16(dst, value, (count) << 1) - #define sk_memset32(dst, value, count) android_memset32(dst, value, (count) << 2) -#endif - -#ifndef sk_memset16 - #define sk_memset16(dst, value, count) sk_memset16_portable(dst, value, count) -#endif - -#ifndef sk_memset32 - #define sk_memset32(dst, value, count) sk_memset32_portable(dst, value, count) -#endif - - -/////////////////////////////////////////////////////////////////////////// - -#define kMaxBytesInUTF8Sequence 4 - -#ifdef SK_DEBUG - int SkUTF8_LeadByteToCount(unsigned c); -#else - #define SkUTF8_LeadByteToCount(c) ((((0xE5 << 24) >> ((unsigned)c >> 4 << 1)) & 3) + 1) -#endif - -inline int SkUTF8_CountUTF8Bytes(const char utf8[]) -{ - SkASSERT(utf8); - return SkUTF8_LeadByteToCount(*(const uint8_t*)utf8); -} - -int SkUTF8_CountUnichars(const char utf8[]); -int SkUTF8_CountUnichars(const char utf8[], size_t byteLength); -SkUnichar SkUTF8_ToUnichar(const char utf8[]); -SkUnichar SkUTF8_NextUnichar(const char**); -SkUnichar SkUTF8_PrevUnichar(const char**); - -/** Return the number of bytes need to convert a unichar - into a utf8 sequence. Will be 1..kMaxBytesInUTF8Sequence, - or 0 if uni is illegal. -*/ -size_t SkUTF8_FromUnichar(SkUnichar uni, char utf8[] = NULL); - -/////////////////////////////////////////////////////////////////////////////// - -#define SkUTF16_IsHighSurrogate(c) (((c) & 0xFC00) == 0xD800) -#define SkUTF16_IsLowSurrogate(c) (((c) & 0xFC00) == 0xDC00) - -int SkUTF16_CountUnichars(const uint16_t utf16[]); -int SkUTF16_CountUnichars(const uint16_t utf16[], - int numberOf16BitValues); -// returns the current unichar and then moves past it (*p++) -SkUnichar SkUTF16_NextUnichar(const uint16_t**); -// this guy backs up to the previus unichar value, and returns it (*--p) -SkUnichar SkUTF16_PrevUnichar(const uint16_t**); -size_t SkUTF16_FromUnichar(SkUnichar uni, uint16_t utf16[] = NULL); - -size_t SkUTF16_ToUTF8(const uint16_t utf16[], int numberOf16BitValues, - char utf8[] = NULL); - -class SkUtils { -public: -#ifdef SK_DEBUG - static void UnitTest(); -#endif -}; - -/////////////////////////////////////////////////////////////////////////////// - -class SkAutoTrace { -public: - /** NOTE: label contents are not copied, just the ptr is - retained, so DON'T DELETE IT. - */ - SkAutoTrace(const char label[]) : fLabel(label) { - SkDebugf("--- trace: %s Enter\n", fLabel); - } - ~SkAutoTrace() { - SkDebugf("--- trace: %s Leave\n", fLabel); - } -private: - const char* fLabel; -}; - -/////////////////////////////////////////////////////////////////////////////// - -class SkAutoMemoryUsageProbe { -public: - /** Record memory usage in constructor, and dump the result - (delta and current total) in the destructor, with the optional - label. NOTE: label contents are not copied, just the ptr is - retained, so DON'T DELETE IT. - */ - SkAutoMemoryUsageProbe(const char label[]); - ~SkAutoMemoryUsageProbe(); -private: - const char* fLabel; - size_t fBytesAllocated; -}; - -#endif - |