Merge remote-tracking branch 'origin/kitkat-dev'chromium_org-pre-replicationidea133

1 files changed, 180 insertions, 0 deletions

diff --git a/core/SkGraphics.cpp b/core/SkGraphics.cpp
new file mode 100644
index 00000000..8e7c7cd3
--- /dev/null
+++ b/core/SkGraphics.cpp
@@ -0,0 +1,180 @@
+
+/*
+ * 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 "Sk64.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();
+    SkDebugf("Non-default runtime configuration options:\n");
+    skRTConfRegistry().printNonDefault( );
+#endif
+
+    SkFlattenable::InitializeFlattenables();
+#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);
+}