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 #include "SkXfermode.h"
32
33 #include <stdlib.h>
34
GetVersion(int32_t * major,int32_t * minor,int32_t * patch)35 void SkGraphics::GetVersion(int32_t* major, int32_t* minor, int32_t* patch) {
36 if (major) {
37 *major = SKIA_VERSION_MAJOR;
38 }
39 if (minor) {
40 *minor = SKIA_VERSION_MINOR;
41 }
42 if (patch) {
43 *patch = SKIA_VERSION_PATCH;
44 }
45 }
46
Init()47 void SkGraphics::Init() {
48 // SkGraphics::Init() must be thread-safe and idempotent.
49 SkCpu::CacheRuntimeFeatures();
50 SkOpts::Init();
51 }
52
53 ///////////////////////////////////////////////////////////////////////////////
54
DumpMemoryStatistics(SkTraceMemoryDump * dump)55 void SkGraphics::DumpMemoryStatistics(SkTraceMemoryDump* dump) {
56 SkResourceCache::DumpMemoryStatistics(dump);
57 SkGlyphCache::DumpMemoryStatistics(dump);
58 }
59
PurgeAllCaches()60 void SkGraphics::PurgeAllCaches() {
61 SkGraphics::PurgeFontCache();
62 SkGraphics::PurgeResourceCache();
63 SkImageFilter::PurgeCache();
64 }
65
66 ///////////////////////////////////////////////////////////////////////////////
67
68 static const char kFontCacheLimitStr[] = "font-cache-limit";
69 static const size_t kFontCacheLimitLen = sizeof(kFontCacheLimitStr) - 1;
70
71 static const struct {
72 const char* fStr;
73 size_t fLen;
74 size_t (*fFunc)(size_t);
75 } gFlags[] = {
76 { kFontCacheLimitStr, kFontCacheLimitLen, SkGraphics::SetFontCacheLimit }
77 };
78
79 /* flags are of the form param; or param=value; */
SetFlags(const char * flags)80 void SkGraphics::SetFlags(const char* flags) {
81 if (!flags) {
82 return;
83 }
84 const char* nextSemi;
85 do {
86 size_t len = strlen(flags);
87 const char* paramEnd = flags + len;
88 const char* nextEqual = strchr(flags, '=');
89 if (nextEqual && paramEnd > nextEqual) {
90 paramEnd = nextEqual;
91 }
92 nextSemi = strchr(flags, ';');
93 if (nextSemi && paramEnd > nextSemi) {
94 paramEnd = nextSemi;
95 }
96 size_t paramLen = paramEnd - flags;
97 for (int i = 0; i < (int)SK_ARRAY_COUNT(gFlags); ++i) {
98 if (paramLen != gFlags[i].fLen) {
99 continue;
100 }
101 if (strncmp(flags, gFlags[i].fStr, paramLen) == 0) {
102 size_t val = 0;
103 if (nextEqual) {
104 val = (size_t) atoi(nextEqual + 1);
105 }
106 (gFlags[i].fFunc)(val);
107 break;
108 }
109 }
110 flags = nextSemi + 1;
111 } while (nextSemi);
112 }
113