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/*
* 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 "SkRandom.h"
#include "SkRefCnt.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() {
#if !SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
SkFlattenable::InitializeFlattenables();
#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
}
///////////////////////////////////////////////////////////////////////////////
#include "SkGlyphCache.h"
#include "SkTypefaceCache.h"
void SkGraphics::Term() {
PurgeFontCache();
}
#ifndef SK_DEFAULT_FONT_CACHE_LIMIT
#define SK_DEFAULT_FONT_CACHE_LIMIT (2 * 1024 * 1024)
#endif
#define SK_MIN_FONT_CACHE_LIMIT (256 * 1024)
static size_t gFontCacheLimit = SK_DEFAULT_FONT_CACHE_LIMIT;
size_t SkGraphics::GetFontCacheLimit() {
return gFontCacheLimit;
}
size_t SkGraphics::SetFontCacheLimit(size_t bytes) {
size_t prev = gFontCacheLimit;
if (bytes < SK_MIN_FONT_CACHE_LIMIT) {
bytes = SK_MIN_FONT_CACHE_LIMIT;
}
gFontCacheLimit = bytes;
// trigger a purge if the new size is smaller that our currently used amount
if (bytes < SkGlyphCache::GetCacheUsed()) {
SkGlyphCache::SetCacheUsed(bytes);
}
return prev;
}
void SkGraphics::PurgeFontCache() {
SkGlyphCache::SetCacheUsed(0);
SkTypefaceCache::PurgeAll();
}
///////////////////////////////////////////////////////////////////////////////
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);
}
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