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 "SkFloat.h"
15 #include "SkGeometry.h"
16 #include "SkMath.h"
17 #include "SkMatrix.h"
18 #include "SkPath.h"
19 #include "SkPathEffect.h"
20 #include "SkPixelRef.h"
21 #include "SkRefCnt.h"
22 #include "SkRTConf.h"
23 #include "SkScalerContext.h"
24 #include "SkShader.h"
25 #include "SkStream.h"
26 #include "SkTSearch.h"
27 #include "SkTime.h"
28 #include "SkUtils.h"
29 #include "SkXfermode.h"
30
GetVersion(int32_t * major,int32_t * minor,int32_t * patch)31 void SkGraphics::GetVersion(int32_t* major, int32_t* minor, int32_t* patch) {
32 if (major) {
33 *major = SKIA_VERSION_MAJOR;
34 }
35 if (minor) {
36 *minor = SKIA_VERSION_MINOR;
37 }
38 if (patch) {
39 *patch = SKIA_VERSION_PATCH;
40 }
41 }
42
43 #define typesizeline(type) { #type , sizeof(type) }
44
45 #ifdef BUILD_EMBOSS_TABLE
46 extern void SkEmbossMask_BuildTable();
47 #endif
48
49 #ifdef BUILD_RADIALGRADIENT_TABLE
50 extern void SkRadialGradient_BuildTable();
51 #endif
52
Init()53 void SkGraphics::Init() {
54 #ifdef SK_DEVELOPER
55 skRTConfRegistry().possiblyDumpFile();
56 skRTConfRegistry().validate();
57 if (skRTConfRegistry().hasNonDefault()) {
58 SkDebugf("Non-default runtime configuration options:\n");
59 skRTConfRegistry().printNonDefault();
60 }
61 #endif
62
63 #ifdef BUILD_EMBOSS_TABLE
64 SkEmbossMask_BuildTable();
65 #endif
66 #ifdef BUILD_RADIALGRADIENT_TABLE
67 SkRadialGradient_BuildTable();
68 #endif
69
70 #ifdef SK_DEBUGx
71 int i;
72
73 static const struct {
74 const char* fTypeName;
75 size_t fSizeOf;
76 } gTypeSize[] = {
77 typesizeline(char),
78 typesizeline(short),
79 typesizeline(int),
80 typesizeline(long),
81 typesizeline(size_t),
82 typesizeline(void*),
83
84 typesizeline(S8CPU),
85 typesizeline(U8CPU),
86 typesizeline(S16CPU),
87 typesizeline(U16CPU),
88
89 typesizeline(SkPoint),
90 typesizeline(SkRect),
91 typesizeline(SkMatrix),
92 typesizeline(SkPath),
93 typesizeline(SkGlyph),
94 typesizeline(SkRefCnt),
95
96 typesizeline(SkPaint),
97 typesizeline(SkCanvas),
98 typesizeline(SkBlitter),
99 typesizeline(SkShader),
100 typesizeline(SkXfermode),
101 typesizeline(SkPathEffect)
102 };
103
104 #ifdef SK_CPU_BENDIAN
105 SkDebugf("SkGraphics: big-endian\n");
106 #else
107 SkDebugf("SkGraphics: little-endian\n");
108 #endif
109
110 {
111 char test = 0xFF;
112 int itest = test; // promote to int, see if it sign-extended
113 if (itest < 0)
114 SkDebugf("SkGraphics: char is signed\n");
115 else
116 SkDebugf("SkGraphics: char is unsigned\n");
117 }
118 for (i = 0; i < (int)SK_ARRAY_COUNT(gTypeSize); i++) {
119 SkDebugf("SkGraphics: sizeof(%s) = %d\n",
120 gTypeSize[i].fTypeName, gTypeSize[i].fSizeOf);
121 }
122 SkDebugf("SkGraphics: font cache limit %dK\n",
123 GetFontCacheLimit() >> 10);
124
125 #endif
126
127 }
128
Term()129 void SkGraphics::Term() {
130 PurgeFontCache();
131 PurgeResourceCache();
132 SkPaint::Term();
133 }
134
135 ///////////////////////////////////////////////////////////////////////////////
136
137 static const char kFontCacheLimitStr[] = "font-cache-limit";
138 static const size_t kFontCacheLimitLen = sizeof(kFontCacheLimitStr) - 1;
139
140 static const struct {
141 const char* fStr;
142 size_t fLen;
143 size_t (*fFunc)(size_t);
144 } gFlags[] = {
145 { kFontCacheLimitStr, kFontCacheLimitLen, SkGraphics::SetFontCacheLimit }
146 };
147
148 /* flags are of the form param; or param=value; */
SetFlags(const char * flags)149 void SkGraphics::SetFlags(const char* flags) {
150 if (!flags) {
151 return;
152 }
153 const char* nextSemi;
154 do {
155 size_t len = strlen(flags);
156 const char* paramEnd = flags + len;
157 const char* nextEqual = strchr(flags, '=');
158 if (nextEqual && paramEnd > nextEqual) {
159 paramEnd = nextEqual;
160 }
161 nextSemi = strchr(flags, ';');
162 if (nextSemi && paramEnd > nextSemi) {
163 paramEnd = nextSemi;
164 }
165 size_t paramLen = paramEnd - flags;
166 for (int i = 0; i < (int)SK_ARRAY_COUNT(gFlags); ++i) {
167 if (paramLen != gFlags[i].fLen) {
168 continue;
169 }
170 if (strncmp(flags, gFlags[i].fStr, paramLen) == 0) {
171 size_t val = 0;
172 if (nextEqual) {
173 val = (size_t) atoi(nextEqual + 1);
174 }
175 (gFlags[i].fFunc)(val);
176 break;
177 }
178 }
179 flags = nextSemi + 1;
180 } while (nextSemi);
181 }
182