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Core/Utility: Fix font crash

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Happened when the atlas was resizing while updating the text drawer, the
old invalid pointer was kept (now a dangling pointer).


Former-commit-id: d50153f81f1f2bdd80cfdac9dcee85eb7c28c35e
This commit is contained in:
Lynix
2015-08-17 13:54:07 +02:00
parent 4d89b7bd4d
commit 21ad09d626
4 changed files with 26 additions and 4 deletions
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2
src/Nazara/Utility/Font.cpp
View File

@@ -454,7 +454,7 @@ void NzFont::OnAtlasLayerChange(const NzAbstractAtlas* atlas, NzAbstractImage* o
#endif
// Pour faciliter le travail des ressources qui nous écoutent
OnFontAtlasLayerChanged(this);
OnFontAtlasLayerChanged(this, oldLayer, newLayer);
}
void NzFont::OnAtlasRelease(const NzAbstractAtlas* atlas)

25
src/Nazara/Utility/SimpleTextDrawer.cpp
View File

@@ -115,9 +115,9 @@ void NzSimpleTextDrawer::SetFont(NzFont* font)
if (m_font)
{
m_atlasChangedSlot.Connect(m_font->OnFontAtlasChanged, this, &NzSimpleTextDrawer::OnFontInvalidated);
m_atlasLayerChangedSlot.Connect(m_font->OnFontAtlasLayerChanged, this, &NzSimpleTextDrawer::OnFontInvalidated);
m_atlasLayerChangedSlot.Connect(m_font->OnFontAtlasLayerChanged, this, &NzSimpleTextDrawer::OnFontAtlasLayerChanged);
m_fontReleaseSlot.Connect(m_font->OnFontRelease, this, &NzSimpleTextDrawer::OnFontRelease);
m_glyphCacheClearedSlot.Connect(m_font->OnFontAtlasChanged, this, &NzSimpleTextDrawer::OnFontInvalidated);
m_glyphCacheClearedSlot.Connect(m_font->OnFontGlyphCacheCleared, this, &NzSimpleTextDrawer::OnFontInvalidated);
}
else
{
@@ -168,6 +168,27 @@ NzSimpleTextDrawer NzSimpleTextDrawer::Draw(NzFont* font, const NzString& str, u
return drawer;
}
void NzSimpleTextDrawer::OnFontAtlasLayerChanged(const NzFont* font, NzAbstractImage* oldLayer, NzAbstractImage* newLayer)
{
NazaraUnused(font);
#ifdef NAZARA_DEBUG
if (m_font != font)
{
NazaraInternalError("Not listening to " + NzString::Pointer(font));
return;
}
#endif
// Update atlas layer pointer
// Note: This can happend while updating
for (Glyph& glyph : m_glyphs)
{
if (glyph.atlas == oldLayer)
glyph.atlas = newLayer;
}
}
void NzSimpleTextDrawer::OnFontInvalidated(const NzFont* font)
{
NazaraUnused(font);