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
GetVersion(int32_t * major,int32_t * minor,int32_t * patch)34 void 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
Init()46 void SkGraphics::Init() {
47 // SkGraphics::Init() must be thread-safe and idempotent.
48 SkCpu::CacheRuntimeFeatures();
49 SkOpts::Init();
50 }
51
52 ///////////////////////////////////////////////////////////////////////////////
53
DumpMemoryStatistics(SkTraceMemoryDump * dump)54 void SkGraphics::DumpMemoryStatistics(SkTraceMemoryDump* dump) {
55 SkResourceCache::DumpMemoryStatistics(dump);
56 SkGlyphCache::DumpMemoryStatistics(dump);
57 }
58
PurgeAllCaches()59 void SkGraphics::PurgeAllCaches() {
60 SkGraphics::PurgeFontCache();
61 SkGraphics::PurgeResourceCache();
62 SkImageFilter::PurgeCache();
63 }
64
65 ///////////////////////////////////////////////////////////////////////////////
66
67 static const char kFontCacheLimitStr[] = "font-cache-limit";
68 static const size_t kFontCacheLimitLen = sizeof(kFontCacheLimitStr) - 1;
69
70 static 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; */
SetFlags(const char * flags)79 void 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