1/* 2 * Copyright 2006 The Android Open Source Project 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 9#include "SkGraphics.h" 10 11#include "SkBlitter.h" 12#include "SkCanvas.h" 13#include "SkCpu.h" 14#include "SkGeometry.h" 15#include "SkGlyphCache.h" 16#include "SkImageFilter.h" 17#include "SkMath.h" 18#include "SkMatrix.h" 19#include "SkOpts.h" 20#include "SkPath.h" 21#include "SkPathEffect.h" 22#include "SkPixelRef.h" 23#include "SkRefCnt.h" 24#include "SkResourceCache.h" 25#include "SkScalerContext.h" 26#include "SkShader.h" 27#include "SkStream.h" 28#include "SkTSearch.h" 29#include "SkTime.h" 30#include "SkUtils.h" 31 32#include <stdlib.h> 33 34void SkGraphics::GetVersion(int32_t* major, int32_t* minor, int32_t* patch) { 35 if (major) { 36 *major = SKIA_VERSION_MAJOR; 37 } 38 if (minor) { 39 *minor = SKIA_VERSION_MINOR; 40 } 41 if (patch) { 42 *patch = SKIA_VERSION_PATCH; 43 } 44} 45 46void SkGraphics::Init() { 47 // SkGraphics::Init() must be thread-safe and idempotent. 48 SkCpu::CacheRuntimeFeatures(); 49 SkOpts::Init(); 50} 51 52/////////////////////////////////////////////////////////////////////////////// 53 54void SkGraphics::DumpMemoryStatistics(SkTraceMemoryDump* dump) { 55 SkResourceCache::DumpMemoryStatistics(dump); 56 SkGlyphCache::DumpMemoryStatistics(dump); 57} 58 59void SkGraphics::PurgeAllCaches() { 60 SkGraphics::PurgeFontCache(); 61 SkGraphics::PurgeResourceCache(); 62 SkImageFilter::PurgeCache(); 63} 64 65/////////////////////////////////////////////////////////////////////////////// 66 67static const char kFontCacheLimitStr[] = "font-cache-limit"; 68static const size_t kFontCacheLimitLen = sizeof(kFontCacheLimitStr) - 1; 69 70static const struct { 71 const char* fStr; 72 size_t fLen; 73 size_t (*fFunc)(size_t); 74} gFlags[] = { 75 { kFontCacheLimitStr, kFontCacheLimitLen, SkGraphics::SetFontCacheLimit } 76}; 77 78/* flags are of the form param; or param=value; */ 79void SkGraphics::SetFlags(const char* flags) { 80 if (!flags) { 81 return; 82 } 83 const char* nextSemi; 84 do { 85 size_t len = strlen(flags); 86 const char* paramEnd = flags + len; 87 const char* nextEqual = strchr(flags, '='); 88 if (nextEqual && paramEnd > nextEqual) { 89 paramEnd = nextEqual; 90 } 91 nextSemi = strchr(flags, ';'); 92 if (nextSemi && paramEnd > nextSemi) { 93 paramEnd = nextSemi; 94 } 95 size_t paramLen = paramEnd - flags; 96 for (int i = 0; i < (int)SK_ARRAY_COUNT(gFlags); ++i) { 97 if (paramLen != gFlags[i].fLen) { 98 continue; 99 } 100 if (strncmp(flags, gFlags[i].fStr, paramLen) == 0) { 101 size_t val = 0; 102 if (nextEqual) { 103 val = (size_t) atoi(nextEqual + 1); 104 } 105 (gFlags[i].fFunc)(val); 106 break; 107 } 108 } 109 flags = nextSemi + 1; 110 } while (nextSemi); 111} 112