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Bug 385123. Don't insert spaces after holes while we build a textrun. r=vlad

This commit is contained in:
roc+%cs.cmu.edu 2007-06-20 19:49:34 +00:00
Родитель c4933da0f3
Коммит 6480a63ae1
5 изменённых файлов: 254 добавлений и 14 удалений
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1
gfx/thebes/public/gfxTextRunWordCache.h
Просмотреть файл

@ -134,6 +134,7 @@ protected:
PRUint32 aStart, PRUint32 aEnd, PRUint32 aHash,
nsTArray<DeferredWord>* aDeferredWords);
void FinishTextRun(gfxTextRun *aTextRun, gfxTextRun *aNewRun,
gfxContext *aContext,
const nsTArray<DeferredWord>& aDeferredWords,
PRBool aSuccessful);
void RemoveWord(gfxTextRun *aTextRun, PRUint32 aStart,

38
gfx/thebes/src/gfxTextRunWordCache.cpp
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@ -37,6 +37,8 @@
#include "gfxTextRunWordCache.h"
static PRLogModuleInfo *gWordCacheLog = PR_NewLogModule("wordCache");
static inline PRUint32
HashMix(PRUint32 aHash, PRUnichar aCh)
{
@ -122,11 +124,13 @@ gfxTextRunWordCache::LookupWord(gfxTextRun *aTextRun, gfxFont *aFirstFont,
if (fontEntry->mTextRun) {
existingEntry = fontEntry;
} else {
PR_LOG(gWordCacheLog, PR_LOG_DEBUG, ("%p(%d-%d,%d): added using font", aTextRun, aStart, aEnd - aStart, aHash));
key.mFontOrGroup = aTextRun->GetFontGroup();
CacheHashEntry *groupEntry = mCache.GetEntry(key);
if (groupEntry) {
existingEntry = groupEntry;
mCache.RawRemoveEntry(fontEntry);
PR_LOG(gWordCacheLog, PR_LOG_DEBUG, ("%p(%d-%d,%d): removed using font", aTextRun, aStart, aEnd - aStart, aHash));
fontEntry = nsnull;
}
}
@ -169,6 +173,7 @@ gfxTextRunWordCache::LookupWord(gfxTextRun *aTextRun, gfxFont *aFirstFont,
*/
void
gfxTextRunWordCache::FinishTextRun(gfxTextRun *aTextRun, gfxTextRun *aNewRun,
gfxContext *aContext,
const nsTArray<DeferredWord>& aDeferredWords,
PRBool aSuccessful)
{
@ -194,14 +199,18 @@ gfxTextRunWordCache::FinishTextRun(gfxTextRun *aTextRun, gfxTextRun *aNewRun,
NS_ASSERTION(mCache.GetEntry(key),
"This entry should have been added previously!");
mCache.RemoveEntry(key);
PR_LOG(gWordCacheLog, PR_LOG_DEBUG, ("%p(%d-%d,%d): removed using font", aTextRun, word->mDestOffset, word->mLength, word->mHash));
if (aSuccessful) {
key.mFontOrGroup = fontGroup;
CacheHashEntry *groupEntry = mCache.PutEntry(key);
if (groupEntry) {
PR_LOG(gWordCacheLog, PR_LOG_DEBUG, ("%p(%d-%d,%d): added using fontgroup", aTextRun, word->mDestOffset, word->mLength, word->mHash));
groupEntry->mTextRun = aTextRun;
groupEntry->mWordOffset = word->mDestOffset;
groupEntry->mHashedByFont = PR_FALSE;
NS_ASSERTION(mCache.GetEntry(key),
"We should find the thing we just added!");
}
}
}
@ -213,6 +222,20 @@ gfxTextRunWordCache::FinishTextRun(gfxTextRun *aTextRun, gfxTextRun *aNewRun,
aTextRun->CopyGlyphDataFrom(source,
word->mSourceOffset, word->mLength, word->mDestOffset,
source == aNewRun);
// Fill in additional spaces
PRUint32 endCharIndex;
if (i + 1 < aDeferredWords.Length()) {
endCharIndex = aDeferredWords[i + 1].mDestOffset;
} else {
endCharIndex = aTextRun->GetLength();
}
PRUint32 charIndex;
for (charIndex = word->mDestOffset + word->mLength;
charIndex < endCharIndex; ++charIndex) {
if (IsBoundarySpace(aTextRun->GetChar(charIndex))) {
aTextRun->SetSpaceGlyph(font, aContext, charIndex);
}
}
}
}
}
@ -250,7 +273,7 @@ gfxTextRunWordCache::MakeTextRun(const PRUnichar *aText, PRUint32 aLength,
PRUint32 length = i - wordStart;
PRUnichar *chars = tempString.AppendElements(length);
if (!chars) {
FinishTextRun(textRun, nsnull, deferredWords, PR_FALSE);
FinishTextRun(textRun, nsnull, nsnull, deferredWords, PR_FALSE);
return nsnull;
}
memcpy(chars, aText + wordStart, length*sizeof(PRUnichar));
@ -258,10 +281,12 @@ gfxTextRunWordCache::MakeTextRun(const PRUnichar *aText, PRUint32 aLength,
deferredWords.AppendElement(word);
}
if (deferredWords.Length() == 0) {
if (IsBoundarySpace(ch) && i < aLength) {
textRun->SetSpaceGlyph(font, aParams->mContext, i);
} // else we should set this character to be invisible missing,
// but it already is because the textrun is blank!
}
hash = 0;
wordStart = i + 1;
} else {
@ -285,7 +310,7 @@ gfxTextRunWordCache::MakeTextRun(const PRUnichar *aText, PRUint32 aLength,
newRun = aFontGroup->MakeTextRun(tempString.Elements(), tempString.Length(),
&params, aFlags | gfxTextRunFactory::TEXT_IS_PERSISTENT);
FinishTextRun(textRun, newRun, deferredWords, newRun != nsnull);
FinishTextRun(textRun, newRun, aParams->mContext, deferredWords, newRun != nsnull);
return textRun.forget();
}
@ -323,7 +348,7 @@ gfxTextRunWordCache::MakeTextRun(const PRUint8 *aText, PRUint32 aLength,
PRUint32 length = i - wordStart;
PRUint8 *chars = tempString.AppendElements(length);
if (!chars) {
FinishTextRun(textRun, nsnull, deferredWords, PR_FALSE);
FinishTextRun(textRun, nsnull, nsnull, deferredWords, PR_FALSE);
return nsnull;
}
memcpy(chars, aText + wordStart, length*sizeof(PRUint8));
@ -331,10 +356,12 @@ gfxTextRunWordCache::MakeTextRun(const PRUint8 *aText, PRUint32 aLength,
deferredWords.AppendElement(word);
}
if (deferredWords.Length() == 0) {
if (IsBoundarySpace(ch) && i < aLength) {
textRun->SetSpaceGlyph(font, aParams->mContext, i);
} // else we should set this character to be invisible missing,
// but it already is because the textrun is blank!
}
hash = 0;
wordStart = i + 1;
} else {
@ -358,7 +385,7 @@ gfxTextRunWordCache::MakeTextRun(const PRUint8 *aText, PRUint32 aLength,
newRun = aFontGroup->MakeTextRun(tempString.Elements(), tempString.Length(),
&params, aFlags | gfxTextRunFactory::TEXT_IS_PERSISTENT);
FinishTextRun(textRun, newRun, deferredWords, newRun != nsnull);
FinishTextRun(textRun, newRun, aParams->mContext, deferredWords, newRun != nsnull);
return textRun.forget();
}
@ -379,6 +406,9 @@ gfxTextRunWordCache::RemoveWord(gfxTextRun *aTextRun, PRUint32 aStart,
// XXX would like to use RawRemoveEntry here plus some extra method
// that conditionally shrinks the hashtable
mCache.RemoveEntry(key);
PR_LOG(gWordCacheLog, PR_LOG_DEBUG, ("%p(%d-%d,%d): removed using %s",
aTextRun, aStart, aEnd - aStart, aHash,
key.mFontOrGroup == aTextRun->GetFontGroup() ? "fontgroup" : "font"));
}
}

1
gfx/thebes/test/Makefile.in
Просмотреть файл

@ -59,6 +59,7 @@ CPPSRCS = \
gfxSurfaceRefCountTest.cpp \
gfxFontSelectionTest.cpp \
gfxTextRunPerfTest.cpp \
gfxWordCacheTest.cpp \
$(NULL)
ifeq ($(MOZ_WIDGET_TOOLKIT),cocoa)

14
gfx/thebes/test/gfxFontSelectionTest.cpp
Просмотреть файл

@ -47,6 +47,7 @@
#include "gfxContext.h"
#include "gfxFont.h"
#include "gfxPlatform.h"
#include "gfxTextRunWordCache.h"
#include "gfxFontTest.h"
@ -63,6 +64,10 @@ enum {
S_ASCII = 1
};
class FrameTextRunCache;
static gfxTextRunWordCache *gTextRunCache;
struct LiteralArray {
LiteralArray (unsigned long l1) {
data.AppendElement(l1);
@ -294,21 +299,24 @@ RunTest (TestEntry *test, gfxContext *ctx) {
flags |= gfxTextRunFactory::TEXT_IS_RTL;
}
PRUint32 length;
PRBool isInCache;
if (test->stringType == S_ASCII) {
flags |= gfxTextRunFactory::TEXT_IS_ASCII | gfxTextRunFactory::TEXT_IS_8BIT;
length = strlen(test->string);
textRun = fontGroup->MakeTextRun(NS_REINTERPRET_CAST(PRUint8*, test->string), length, &params, flags);
textRun = gTextRunCache->MakeTextRun(NS_REINTERPRET_CAST(PRUint8*, test->string), length, fontGroup, &params, flags, &isInCache);
} else {
flags |= gfxTextRunFactory::TEXT_HAS_SURROGATES; // just in case
NS_ConvertUTF8toUTF16 str(nsDependentCString(test->string));
length = str.Length();
textRun = fontGroup->MakeTextRun(str.get(), length, &params, flags);
textRun = gTextRunCache->MakeTextRun(str.get(), length, fontGroup, &params, flags, &isInCache);
}
gfxFontTestStore::NewStore();
textRun->Draw(ctx, gfxPoint(0,0), 0, length, nsnull, nsnull, nsnull);
gfxFontTestStore *s = gfxFontTestStore::CurrentStore();
gTextRunCache->RemoveTextRun(textRun);
if (!test->Check(s)) {
DumpStore(s);
printf (" expected:\n");
@ -340,6 +348,8 @@ main (int argc, char **argv) {
if (NS_FAILED(rv))
return -1;
gTextRunCache = new gfxTextRunWordCache();
// let's get all the xpcom goop out of the system
fflush (stderr);
fflush (stdout);

198
gfx/thebes/test/gfxWordCacheTest.cpp Normal file
Просмотреть файл

@ -0,0 +1,198 @@
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsCOMPtr.h"
#include "nsTArray.h"
#include "nsString.h"
#include "nsDependentString.h"
#include "prinrval.h"
#include "nsServiceManagerUtils.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch.h"
#include "gfxContext.h"
#include "gfxFont.h"
#include "gfxPlatform.h"
#include "gfxFontTest.h"
#include "gfxTextRunWordCache.h"
#if defined(XP_MACOSX)
#include "gfxTestCocoaHelper.h"
#endif
#ifdef MOZ_WIDGET_GTK2
#include "gtk/gtk.h"
#endif
class FrameTextRunCache;
static FrameTextRunCache *gTextRuns = nsnull;
/*
* Cache textruns and expire them after 3*10 seconds of no use.
*/
class FrameTextRunCache : public nsExpirationTracker<gfxTextRun,3> {
public:
enum { TIMEOUT_SECONDS = 10 };
FrameTextRunCache()
: nsExpirationTracker<gfxTextRun,3>(TIMEOUT_SECONDS*1000) {}
~FrameTextRunCache() {
AgeAllGenerations();
}
void RemoveFromCache(gfxTextRun* aTextRun) {
if (aTextRun->GetExpirationState()->IsTracked()) {
RemoveObject(aTextRun);
}
mCache.RemoveTextRun(aTextRun);
}
// This gets called when the timeout has expired on a gfxTextRun
virtual void NotifyExpired(gfxTextRun* aTextRun) {
RemoveFromCache(aTextRun);
delete aTextRun;
}
gfxTextRunWordCache mCache;
};
static gfxTextRun *
MakeTextRun(const PRUnichar *aText, PRUint32 aLength,
gfxFontGroup *aFontGroup, const gfxFontGroup::Parameters* aParams,
PRUint32 aFlags)
{
nsAutoPtr<gfxTextRun> textRun;
if (aLength == 0) {
textRun = aFontGroup->MakeEmptyTextRun(aParams, aFlags);
} else if (aLength == 1 && aText[0] == ' ') {
textRun = aFontGroup->MakeSpaceTextRun(aParams, aFlags);
} else {
PRBool isInCache;
textRun = gTextRuns->mCache.MakeTextRun(aText, aLength, aFontGroup,
aParams, aFlags, &isInCache);
if (!isInCache && textRun) {
}
}
if (!textRun)
return nsnull;
nsresult rv = gTextRuns->AddObject(textRun);
if (NS_FAILED(rv)) {
gTextRuns->RemoveFromCache(textRun);
return nsnull;
}
return textRun.forget();
}
already_AddRefed<gfxContext>
MakeContext ()
{
const int size = 200;
nsRefPtr<gfxASurface> surface;
surface = gfxPlatform::GetPlatform()->CreateOffscreenSurface(gfxIntSize(size, size), gfxASurface::ImageFormatRGB24);
gfxContext *ctx = new gfxContext(surface);
NS_IF_ADDREF(ctx);
return ctx;
}
int
main (int argc, char **argv) {
#ifdef MOZ_WIDGET_GTK2
gtk_init(&argc, &argv);
#endif
#ifdef XP_MACOSX
CocoaPoolInit();
#endif
// Initialize XPCOM
nsresult rv = NS_InitXPCOM2(nsnull, nsnull, nsnull);
if (NS_FAILED(rv))
return -1;
rv = gfxPlatform::Init();
if (NS_FAILED(rv))
return -1;
// let's get all the xpcom goop out of the system
fflush (stderr);
fflush (stdout);
gTextRuns = new FrameTextRunCache();
nsRefPtr<gfxContext> ctx = MakeContext();
{
gfxFontStyle style (FONT_STYLE_NORMAL,
139,
10.0,
nsDependentCString("x-western"),
0.0,
PR_FALSE, PR_FALSE);
nsRefPtr<gfxFontGroup> fontGroup =
gfxPlatform::GetPlatform()->CreateFontGroup(NS_LITERAL_STRING("Geneva, MS Sans Serif, Helvetica,serif"), &style);
gfxTextRunFactory::Parameters params = {
ctx, nsnull, nsnull, nsnull, 0, 60
};
PRUint32 flags = gfxTextRunFactory::TEXT_IS_PERSISTENT;
// First load an Arabic word into the cache
const char cString[] = "\xd8\xaa\xd9\x85";
nsDependentCString cStr(cString);
NS_ConvertUTF8toUTF16 str(cStr);
gfxTextRun *tr = MakeTextRun(str.get(), str.Length(), fontGroup, &params, flags);
// Now try to trigger an assertion with a word cache bug. The first
// word is in the cache so it gets added to the new textrun directly.
// The second word is not in the cache
const char cString2[] = "\xd8\xaa\xd9\x85\n\xd8\xaa\xd8\x85 ";
nsDependentCString cStr2(cString2);
NS_ConvertUTF8toUTF16 str2(cStr2);
gfxTextRun *tr2 = MakeTextRun(str2.get(), str2.Length(), fontGroup, &params, flags);
tr2->GetAdvanceWidth(0, str2.Length(), nsnull);
}
fflush (stderr);
fflush (stdout);
}