gecko/gfx/tests/gfxWordCacheTest.cpp

191 lines
6.0 KiB
C++

/* -*- 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 Foundation.
* 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 "gfxContext.h"
#include "gfxFont.h"
#include "gfxPlatform.h"
#include "gfxFontTest.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);
}
}
// This gets called when the timeout has expired on a gfxTextRun
virtual void NotifyExpired(gfxTextRun* aTextRun) {
RemoveFromCache(aTextRun);
delete aTextRun;
}
};
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 {
textRun = aFontGroup->MakeTextRun(aText, aLength, aParams, aFlags);
}
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::ContentFromFormat(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,
NS_FONT_STRETCH_NORMAL,
139,
10.0,
NS_NewPermanentAtom(NS_LITERAL_STRING("en")),
0.0,
false, false, false,
NS_LITERAL_STRING(""),
NS_LITERAL_STRING(""));
nsRefPtr<gfxFontGroup> fontGroup =
gfxPlatform::GetPlatform()->CreateFontGroup(NS_LITERAL_STRING("Geneva, MS Sans Serif, Helvetica,serif"), &style, nsnull);
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);
tr->GetAdvanceWidth(0, str.Length(), nsnull);
// 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);
}