1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/core/SkGraphics.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,181 @@
1.4 +
1.5 +/*
1.6 + * Copyright 2006 The Android Open Source Project
1.7 + *
1.8 + * Use of this source code is governed by a BSD-style license that can be
1.9 + * found in the LICENSE file.
1.10 + */
1.11 +
1.12 +
1.13 +#include "SkGraphics.h"
1.14 +
1.15 +#include "SkBlitter.h"
1.16 +#include "SkCanvas.h"
1.17 +#include "SkFloat.h"
1.18 +#include "SkGeometry.h"
1.19 +#include "SkMath.h"
1.20 +#include "SkMatrix.h"
1.21 +#include "SkPath.h"
1.22 +#include "SkPathEffect.h"
1.23 +#include "SkPixelRef.h"
1.24 +#include "SkRefCnt.h"
1.25 +#include "SkRTConf.h"
1.26 +#include "SkScalerContext.h"
1.27 +#include "SkShader.h"
1.28 +#include "SkStream.h"
1.29 +#include "SkTSearch.h"
1.30 +#include "SkTime.h"
1.31 +#include "SkUtils.h"
1.32 +#include "SkXfermode.h"
1.33 +
1.34 +void SkGraphics::GetVersion(int32_t* major, int32_t* minor, int32_t* patch) {
1.35 + if (major) {
1.36 + *major = SKIA_VERSION_MAJOR;
1.37 + }
1.38 + if (minor) {
1.39 + *minor = SKIA_VERSION_MINOR;
1.40 + }
1.41 + if (patch) {
1.42 + *patch = SKIA_VERSION_PATCH;
1.43 + }
1.44 +}
1.45 +
1.46 +#define typesizeline(type) { #type , sizeof(type) }
1.47 +
1.48 +#ifdef BUILD_EMBOSS_TABLE
1.49 + extern void SkEmbossMask_BuildTable();
1.50 +#endif
1.51 +
1.52 +#ifdef BUILD_RADIALGRADIENT_TABLE
1.53 + extern void SkRadialGradient_BuildTable();
1.54 +#endif
1.55 +
1.56 +void SkGraphics::Init() {
1.57 +#ifdef SK_DEVELOPER
1.58 + skRTConfRegistry().possiblyDumpFile();
1.59 + skRTConfRegistry().validate();
1.60 + if (skRTConfRegistry().hasNonDefault()) {
1.61 + SkDebugf("Non-default runtime configuration options:\n");
1.62 + skRTConfRegistry().printNonDefault();
1.63 + }
1.64 +#endif
1.65 +
1.66 +#ifdef BUILD_EMBOSS_TABLE
1.67 + SkEmbossMask_BuildTable();
1.68 +#endif
1.69 +#ifdef BUILD_RADIALGRADIENT_TABLE
1.70 + SkRadialGradient_BuildTable();
1.71 +#endif
1.72 +
1.73 +#ifdef SK_DEBUGx
1.74 + int i;
1.75 +
1.76 + static const struct {
1.77 + const char* fTypeName;
1.78 + size_t fSizeOf;
1.79 + } gTypeSize[] = {
1.80 + typesizeline(char),
1.81 + typesizeline(short),
1.82 + typesizeline(int),
1.83 + typesizeline(long),
1.84 + typesizeline(size_t),
1.85 + typesizeline(void*),
1.86 +
1.87 + typesizeline(S8CPU),
1.88 + typesizeline(U8CPU),
1.89 + typesizeline(S16CPU),
1.90 + typesizeline(U16CPU),
1.91 +
1.92 + typesizeline(SkPoint),
1.93 + typesizeline(SkRect),
1.94 + typesizeline(SkMatrix),
1.95 + typesizeline(SkPath),
1.96 + typesizeline(SkGlyph),
1.97 + typesizeline(SkRefCnt),
1.98 +
1.99 + typesizeline(SkPaint),
1.100 + typesizeline(SkCanvas),
1.101 + typesizeline(SkBlitter),
1.102 + typesizeline(SkShader),
1.103 + typesizeline(SkXfermode),
1.104 + typesizeline(SkPathEffect)
1.105 + };
1.106 +
1.107 +#ifdef SK_CPU_BENDIAN
1.108 + SkDebugf("SkGraphics: big-endian\n");
1.109 +#else
1.110 + SkDebugf("SkGraphics: little-endian\n");
1.111 +#endif
1.112 +
1.113 + {
1.114 + char test = 0xFF;
1.115 + int itest = test; // promote to int, see if it sign-extended
1.116 + if (itest < 0)
1.117 + SkDebugf("SkGraphics: char is signed\n");
1.118 + else
1.119 + SkDebugf("SkGraphics: char is unsigned\n");
1.120 + }
1.121 + for (i = 0; i < (int)SK_ARRAY_COUNT(gTypeSize); i++) {
1.122 + SkDebugf("SkGraphics: sizeof(%s) = %d\n",
1.123 + gTypeSize[i].fTypeName, gTypeSize[i].fSizeOf);
1.124 + }
1.125 + SkDebugf("SkGraphics: font cache limit %dK\n",
1.126 + GetFontCacheLimit() >> 10);
1.127 +
1.128 +#endif
1.129 +
1.130 +}
1.131 +
1.132 +void SkGraphics::Term() {
1.133 + PurgeFontCache();
1.134 + SkPaint::Term();
1.135 + SkXfermode::Term();
1.136 +}
1.137 +
1.138 +///////////////////////////////////////////////////////////////////////////////
1.139 +
1.140 +static const char kFontCacheLimitStr[] = "font-cache-limit";
1.141 +static const size_t kFontCacheLimitLen = sizeof(kFontCacheLimitStr) - 1;
1.142 +
1.143 +static const struct {
1.144 + const char* fStr;
1.145 + size_t fLen;
1.146 + size_t (*fFunc)(size_t);
1.147 +} gFlags[] = {
1.148 + { kFontCacheLimitStr, kFontCacheLimitLen, SkGraphics::SetFontCacheLimit }
1.149 +};
1.150 +
1.151 +/* flags are of the form param; or param=value; */
1.152 +void SkGraphics::SetFlags(const char* flags) {
1.153 + if (!flags) {
1.154 + return;
1.155 + }
1.156 + const char* nextSemi;
1.157 + do {
1.158 + size_t len = strlen(flags);
1.159 + const char* paramEnd = flags + len;
1.160 + const char* nextEqual = strchr(flags, '=');
1.161 + if (nextEqual && paramEnd > nextEqual) {
1.162 + paramEnd = nextEqual;
1.163 + }
1.164 + nextSemi = strchr(flags, ';');
1.165 + if (nextSemi && paramEnd > nextSemi) {
1.166 + paramEnd = nextSemi;
1.167 + }
1.168 + size_t paramLen = paramEnd - flags;
1.169 + for (int i = 0; i < (int)SK_ARRAY_COUNT(gFlags); ++i) {
1.170 + if (paramLen != gFlags[i].fLen) {
1.171 + continue;
1.172 + }
1.173 + if (strncmp(flags, gFlags[i].fStr, paramLen) == 0) {
1.174 + size_t val = 0;
1.175 + if (nextEqual) {
1.176 + val = (size_t) atoi(nextEqual + 1);
1.177 + }
1.178 + (gFlags[i].fFunc)(val);
1.179 + break;
1.180 + }
1.181 + }
1.182 + flags = nextSemi + 1;
1.183 + } while (nextSemi);
1.184 +}
