DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180

/*
 * Copyright 2006 The Android Open Source Project
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */


#include "SkGraphics.h"

#include "SkBlitter.h"
#include "SkCanvas.h"
#include "SkFloat.h"
#include "SkGeometry.h"
#include "SkMath.h"
#include "SkMatrix.h"
#include "SkPath.h"
#include "SkPathEffect.h"
#include "SkPixelRef.h"
#include "SkRefCnt.h"
#include "SkRTConf.h"
#include "SkScalerContext.h"
#include "SkShader.h"
#include "SkStream.h"
#include "SkTSearch.h"
#include "SkTime.h"
#include "SkUtils.h"
#include "SkXfermode.h"

void SkGraphics::GetVersion(int32_t* major, int32_t* minor, int32_t* patch) {
    if (major) {
        *major = SKIA_VERSION_MAJOR;
    }
    if (minor) {
        *minor = SKIA_VERSION_MINOR;
    }
    if (patch) {
        *patch = SKIA_VERSION_PATCH;
    }
}

#define typesizeline(type)  { #type , sizeof(type) }

#ifdef BUILD_EMBOSS_TABLE
    extern void SkEmbossMask_BuildTable();
#endif

#ifdef BUILD_RADIALGRADIENT_TABLE
    extern void SkRadialGradient_BuildTable();
#endif

void SkGraphics::Init() {
#ifdef SK_DEVELOPER
    skRTConfRegistry().possiblyDumpFile();
    skRTConfRegistry().validate();
    if (skRTConfRegistry().hasNonDefault()) {
        SkDebugf("Non-default runtime configuration options:\n");
        skRTConfRegistry().printNonDefault();
    }
#endif

#ifdef BUILD_EMBOSS_TABLE
    SkEmbossMask_BuildTable();
#endif
#ifdef BUILD_RADIALGRADIENT_TABLE
    SkRadialGradient_BuildTable();
#endif

#ifdef SK_DEBUGx
    int i;

    static const struct {
        const char* fTypeName;
        size_t      fSizeOf;
    } gTypeSize[] = {
        typesizeline(char),
        typesizeline(short),
        typesizeline(int),
        typesizeline(long),
        typesizeline(size_t),
        typesizeline(void*),

        typesizeline(S8CPU),
        typesizeline(U8CPU),
        typesizeline(S16CPU),
        typesizeline(U16CPU),

        typesizeline(SkPoint),
        typesizeline(SkRect),
        typesizeline(SkMatrix),
        typesizeline(SkPath),
        typesizeline(SkGlyph),
        typesizeline(SkRefCnt),

        typesizeline(SkPaint),
        typesizeline(SkCanvas),
        typesizeline(SkBlitter),
        typesizeline(SkShader),
        typesizeline(SkXfermode),
        typesizeline(SkPathEffect)
    };

#ifdef SK_CPU_BENDIAN
    SkDebugf("SkGraphics: big-endian\n");
#else
    SkDebugf("SkGraphics: little-endian\n");
#endif

    {
        char    test = 0xFF;
        int     itest = test;   // promote to int, see if it sign-extended
        if (itest < 0)
            SkDebugf("SkGraphics: char is signed\n");
        else
            SkDebugf("SkGraphics: char is unsigned\n");
    }
    for (i = 0; i < (int)SK_ARRAY_COUNT(gTypeSize); i++) {
        SkDebugf("SkGraphics: sizeof(%s) = %d\n",
                 gTypeSize[i].fTypeName, gTypeSize[i].fSizeOf);
    }
    SkDebugf("SkGraphics: font cache limit %dK\n",
             GetFontCacheLimit() >> 10);

#endif

}

void SkGraphics::Term() {
    PurgeFontCache();
    SkPaint::Term();
}

///////////////////////////////////////////////////////////////////////////////

static const char kFontCacheLimitStr[] = "font-cache-limit";
static const size_t kFontCacheLimitLen = sizeof(kFontCacheLimitStr) - 1;

static const struct {
    const char* fStr;
    size_t fLen;
    size_t (*fFunc)(size_t);
} gFlags[] = {
    { kFontCacheLimitStr, kFontCacheLimitLen, SkGraphics::SetFontCacheLimit }
};

/* flags are of the form param; or param=value; */
void SkGraphics::SetFlags(const char* flags) {
    if (!flags) {
        return;
    }
    const char* nextSemi;
    do {
        size_t len = strlen(flags);
        const char* paramEnd = flags + len;
        const char* nextEqual = strchr(flags, '=');
        if (nextEqual && paramEnd > nextEqual) {
            paramEnd = nextEqual;
        }
        nextSemi = strchr(flags, ';');
        if (nextSemi && paramEnd > nextSemi) {
            paramEnd = nextSemi;
        }
        size_t paramLen = paramEnd - flags;
        for (int i = 0; i < (int)SK_ARRAY_COUNT(gFlags); ++i) {
            if (paramLen != gFlags[i].fLen) {
                continue;
            }
            if (strncmp(flags, gFlags[i].fStr, paramLen) == 0) {
                size_t val = 0;
                if (nextEqual) {
                    val = (size_t) atoi(nextEqual + 1);
                }
                (gFlags[i].fFunc)(val);
                break;
            }
        }
        flags = nextSemi + 1;
    } while (nextSemi);
}