1
2 /*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10 #include "SkGraphics.h"
11
12 #include "SkBlitter.h"
13 #include "SkCanvas.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 "SkRTConf.h"
26 #include "SkScalerContext.h"
27 #include "SkShader.h"
28 #include "SkStream.h"
29 #include "SkTSearch.h"
30 #include "SkTime.h"
31 #include "SkUtils.h"
32 #include "SkXfermode.h"
33
34 #include <stdlib.h>
35
GetVersion(int32_t * major,int32_t * minor,int32_t * patch)36 void SkGraphics::GetVersion(int32_t* major, int32_t* minor, int32_t* patch) {
37 if (major) {
38 *major = SKIA_VERSION_MAJOR;
39 }
40 if (minor) {
41 *minor = SKIA_VERSION_MINOR;
42 }
43 if (patch) {
44 *patch = SKIA_VERSION_PATCH;
45 }
46 }
47
Init()48 void SkGraphics::Init() {
49 // SkGraphics::Init() must be thread-safe and idempotent.
50 SkOpts::Init();
51
52 #ifdef SK_DEVELOPER
53 skRTConfRegistry().possiblyDumpFile();
54 skRTConfRegistry().validate();
55 if (skRTConfRegistry().hasNonDefault()) {
56 SkDebugf("Non-default runtime configuration options:\n");
57 skRTConfRegistry().printNonDefault();
58 }
59 #endif
60 }
61
62 ///////////////////////////////////////////////////////////////////////////////
63
DumpMemoryStatistics(SkTraceMemoryDump * dump)64 void SkGraphics::DumpMemoryStatistics(SkTraceMemoryDump* dump) {
65 SkResourceCache::DumpMemoryStatistics(dump);
66 SkGlyphCache::DumpMemoryStatistics(dump);
67 }
68
PurgeAllCaches()69 void SkGraphics::PurgeAllCaches() {
70 SkGraphics::PurgeFontCache();
71 SkGraphics::PurgeResourceCache();
72 SkImageFilter::PurgeCache();
73 }
74
75 ///////////////////////////////////////////////////////////////////////////////
76
77 static const char kFontCacheLimitStr[] = "font-cache-limit";
78 static const size_t kFontCacheLimitLen = sizeof(kFontCacheLimitStr) - 1;
79
80 static const struct {
81 const char* fStr;
82 size_t fLen;
83 size_t (*fFunc)(size_t);
84 } gFlags[] = {
85 { kFontCacheLimitStr, kFontCacheLimitLen, SkGraphics::SetFontCacheLimit }
86 };
87
88 /* flags are of the form param; or param=value; */
SetFlags(const char * flags)89 void SkGraphics::SetFlags(const char* flags) {
90 if (!flags) {
91 return;
92 }
93 const char* nextSemi;
94 do {
95 size_t len = strlen(flags);
96 const char* paramEnd = flags + len;
97 const char* nextEqual = strchr(flags, '=');
98 if (nextEqual && paramEnd > nextEqual) {
99 paramEnd = nextEqual;
100 }
101 nextSemi = strchr(flags, ';');
102 if (nextSemi && paramEnd > nextSemi) {
103 paramEnd = nextSemi;
104 }
105 size_t paramLen = paramEnd - flags;
106 for (int i = 0; i < (int)SK_ARRAY_COUNT(gFlags); ++i) {
107 if (paramLen != gFlags[i].fLen) {
108 continue;
109 }
110 if (strncmp(flags, gFlags[i].fStr, paramLen) == 0) {
111 size_t val = 0;
112 if (nextEqual) {
113 val = (size_t) atoi(nextEqual + 1);
114 }
115 (gFlags[i].fFunc)(val);
116 break;
117 }
118 }
119 flags = nextSemi + 1;
120 } while (nextSemi);
121 }
122