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 #include "SkGraphics.h"
9
10 #include "SkBlitter.h"
11 #include "SkCanvas.h"
12 #include "SkCpu.h"
13 #include "SkGeometry.h"
14 #include "SkImageFilter.h"
15 #include "SkMath.h"
16 #include "SkMatrix.h"
17 #include "SkOpts.h"
18 #include "SkPath.h"
19 #include "SkPathEffect.h"
20 #include "SkRefCnt.h"
21 #include "SkResourceCache.h"
22 #include "SkScalerContext.h"
23 #include "SkShader.h"
24 #include "SkStream.h"
25 #include "SkStrikeCache.h"
26 #include "SkTSearch.h"
27 #include "SkTime.h"
28 #include "SkTypefaceCache.h"
29 #include "SkUTF.h"
30
31 #include <stdlib.h>
32
GetVersion(int32_t * major,int32_t * minor,int32_t * patch)33 void SkGraphics::GetVersion(int32_t* major, int32_t* minor, int32_t* patch) {
34 if (major) {
35 *major = SKIA_VERSION_MAJOR;
36 }
37 if (minor) {
38 *minor = SKIA_VERSION_MINOR;
39 }
40 if (patch) {
41 *patch = SKIA_VERSION_PATCH;
42 }
43 }
44
Init()45 void SkGraphics::Init() {
46 // SkGraphics::Init() must be thread-safe and idempotent.
47 SkCpu::CacheRuntimeFeatures();
48 SkOpts::Init();
49 }
50
51 ///////////////////////////////////////////////////////////////////////////////
52
DumpMemoryStatistics(SkTraceMemoryDump * dump)53 void SkGraphics::DumpMemoryStatistics(SkTraceMemoryDump* dump) {
54 SkResourceCache::DumpMemoryStatistics(dump);
55 SkStrikeCache::DumpMemoryStatistics(dump);
56 }
57
PurgeAllCaches()58 void SkGraphics::PurgeAllCaches() {
59 SkGraphics::PurgeFontCache();
60 SkGraphics::PurgeResourceCache();
61 SkImageFilter::PurgeCache();
62 }
63
64 ///////////////////////////////////////////////////////////////////////////////
65
66 static const char kFontCacheLimitStr[] = "font-cache-limit";
67 static const size_t kFontCacheLimitLen = sizeof(kFontCacheLimitStr) - 1;
68
69 static const struct {
70 const char* fStr;
71 size_t fLen;
72 size_t (*fFunc)(size_t);
73 } gFlags[] = {
74 { kFontCacheLimitStr, kFontCacheLimitLen, SkGraphics::SetFontCacheLimit }
75 };
76
77 /* flags are of the form param; or param=value; */
SetFlags(const char * flags)78 void SkGraphics::SetFlags(const char* flags) {
79 if (!flags) {
80 return;
81 }
82 const char* nextSemi;
83 do {
84 size_t len = strlen(flags);
85 const char* paramEnd = flags + len;
86 const char* nextEqual = strchr(flags, '=');
87 if (nextEqual && paramEnd > nextEqual) {
88 paramEnd = nextEqual;
89 }
90 nextSemi = strchr(flags, ';');
91 if (nextSemi && paramEnd > nextSemi) {
92 paramEnd = nextSemi;
93 }
94 size_t paramLen = paramEnd - flags;
95 for (int i = 0; i < (int)SK_ARRAY_COUNT(gFlags); ++i) {
96 if (paramLen != gFlags[i].fLen) {
97 continue;
98 }
99 if (strncmp(flags, gFlags[i].fStr, paramLen) == 0) {
100 size_t val = 0;
101 if (nextEqual) {
102 val = (size_t) atoi(nextEqual + 1);
103 }
104 (gFlags[i].fFunc)(val);
105 break;
106 }
107 }
108 flags = nextSemi + 1;
109 } while (nextSemi);
110 }
111
GetFontCacheLimit()112 size_t SkGraphics::GetFontCacheLimit() {
113 return SkStrikeCache::GlobalStrikeCache()->getCacheSizeLimit();
114 }
115
SetFontCacheLimit(size_t bytes)116 size_t SkGraphics::SetFontCacheLimit(size_t bytes) {
117 return SkStrikeCache::GlobalStrikeCache()->setCacheSizeLimit(bytes);
118 }
119
GetFontCacheUsed()120 size_t SkGraphics::GetFontCacheUsed() {
121 return SkStrikeCache::GlobalStrikeCache()->getTotalMemoryUsed();
122 }
123
GetFontCacheCountLimit()124 int SkGraphics::GetFontCacheCountLimit() {
125 return SkStrikeCache::GlobalStrikeCache()->getCacheCountLimit();
126 }
127
SetFontCacheCountLimit(int count)128 int SkGraphics::SetFontCacheCountLimit(int count) {
129 return SkStrikeCache::GlobalStrikeCache()->setCacheCountLimit(count);
130 }
131
GetFontCacheCountUsed()132 int SkGraphics::GetFontCacheCountUsed() {
133 return SkStrikeCache::GlobalStrikeCache()->getCacheCountUsed();
134 }
135
GetFontCachePointSizeLimit()136 int SkGraphics::GetFontCachePointSizeLimit() {
137 return SkStrikeCache::GlobalStrikeCache()->getCachePointSizeLimit();
138 }
139
SetFontCachePointSizeLimit(int limit)140 int SkGraphics::SetFontCachePointSizeLimit(int limit) {
141 return SkStrikeCache::GlobalStrikeCache()->setCachePointSizeLimit(limit);
142 }
143
PurgeFontCache()144 void SkGraphics::PurgeFontCache() {
145 SkStrikeCache::GlobalStrikeCache()->purgeAll();
146 SkTypefaceCache::PurgeAll();
147 }
148