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Allowed font to set glyph border 

Former-commit-id: f410fb83ecd0e1ace639e32fd809d00caa4145bc
This commit is contained in:
Lynix 2015-01-08 14:24:35 +01:00
parent 703ea6e9c8
commit 1b266e7d7c
2 changed files with 23 additions and 10 deletions
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3
include/Nazara/Utility/Font.hpp
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@ -57,6 +57,7 @@ class NAZARA_API NzFont : public NzResource, NzNonCopyable
NzString GetFamilyName() const;
int GetKerning(unsigned int characterSize, char32_t first, char32_t second) const;
const Glyph& GetGlyph(unsigned int characterSize, nzUInt32 style, char32_t character) const;
unsigned int GetGlyphBorder() const;
unsigned int GetMinimumStepSize() const;
const SizeInfo& GetSizeInfo(unsigned int characterSize) const;
NzString GetStyleName() const;
@ -72,6 +73,7 @@ class NAZARA_API NzFont : public NzResource, NzNonCopyable
bool OpenFromStream(NzInputStream& stream, const NzFontParams& params = NzFontParams());
void SetAtlas(std::shared_ptr<NzAbstractFontAtlas> atlas);
void SetGlyphBorder(unsigned int borderSize);
void SetMinimumStepSize(unsigned int minimumSizeStep);
NzFont& operator=(NzFont&& font) = default;
@ -114,6 +116,7 @@ class NAZARA_API NzFont : public NzResource, NzNonCopyable
mutable std::unordered_map<nzUInt64, std::unordered_map<nzUInt64, int>> m_kerningCache;
mutable std::unordered_map<nzUInt64, GlyphMap> m_glyphes;
mutable std::unordered_map<nzUInt64, SizeInfo> m_sizeInfoCache;
unsigned int m_glyphBorder;
unsigned int m_minimumSizeStep;
static NzFontLoader::LoaderList s_loaders;

30
src/Nazara/Utility/Font.cpp
View File

@ -14,6 +14,7 @@ bool NzFontParams::IsValid() const
}
NzFont::NzFont() :
m_glyphBorder(1),
m_minimumSizeStep(1)
{
}
@ -170,6 +171,11 @@ const NzFont::Glyph& NzFont::GetGlyph(unsigned int characterSize, nzUInt32 style
return PrecacheGlyph(m_glyphes[key], characterSize, style, character);
}
unsigned int NzFont::GetGlyphBorder() const
{
return m_glyphBorder;
}
unsigned int NzFont::GetMinimumStepSize() const
{
return m_minimumSizeStep;
@ -265,6 +271,12 @@ void NzFont::SetAtlas(std::shared_ptr<NzAbstractFontAtlas> atlas)
m_atlas = atlas;
}
void NzFont::SetGlyphBorder(unsigned int borderSize)
{
m_glyphBorder = borderSize;
ClearGlyphCache();
}
void NzFont::SetMinimumStepSize(unsigned int minimumStepSize)
{
#if NAZARA_UTILITY_SAFE
@ -339,11 +351,9 @@ const NzFont::Glyph& NzFont::PrecacheGlyph(GlyphMap& glyphMap, unsigned int char
// Insertion du rectangle dans l'un des atlas
if (glyph.atlasRect.width > 0 && glyph.atlasRect.height > 0) // Si l'image contient quelque chose
{
// Padding (pour éviter le débordement lors du filtrage)
const unsigned int padding = 1; // Un pixel de contour
glyph.atlasRect.width += padding*2;
glyph.atlasRect.height += padding*2;
// Bordure (pour éviter le débordement lors du filtrage)
glyph.atlasRect.width += m_glyphBorder*2;
glyph.atlasRect.height += m_glyphBorder*2;
// Insertion du rectangle dans l'atlas virtuel
if (!m_atlas->Insert(fontGlyph.image, &glyph.atlasRect, &glyph.flipped, &glyph.layerIndex))
@ -352,11 +362,11 @@ const NzFont::Glyph& NzFont::PrecacheGlyph(GlyphMap& glyphMap, unsigned int char
return glyph;
}
// Compensation du contour (centrage du glyphe)
glyph.atlasRect.x += padding;
glyph.atlasRect.y += padding;
glyph.atlasRect.width -= padding*2;
glyph.atlasRect.height -= padding*2;
// Compensation de la bordure (centrage du glyphe)
glyph.atlasRect.x += m_glyphBorder;
glyph.atlasRect.y += m_glyphBorder;
glyph.atlasRect.width -= m_glyphBorder*2;
glyph.atlasRect.height -= m_glyphBorder*2;
}
glyph.aabb = fontGlyph.aabb;