Changed: New font texture implementation
--HG-- branch : develop
This commit is contained in:
Nimetu
parent
ab6467f64c
commit
e5b7064a4d
10 changed files with 637 additions and 329 deletions
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@ -178,6 +178,10 @@ public:
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CVertexBuffer Vertices;
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CMaterial *Material;
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CRGBA Color;
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ucstring Text;
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uint32 CacheVersion;
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/// The width of the string, in pixels (eg: 30)
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float StringWidth;
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/// The height of the string, in pixels (eg: 10)
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@ -223,6 +227,7 @@ public:
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*/
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CComputedString (bool bSetupVB=true)
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{
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CacheVersion = 0;
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StringWidth = 0;
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StringHeight = 0;
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if (bSetupVB)
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@ -74,6 +74,8 @@ public:
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uint32 getUID() { return _UID; }
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std::string getFontFileName() const;
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private:
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static uint32 _FontGeneratorCounterUID;
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@ -59,6 +59,9 @@ class CFontManager
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CSmartPtr<CMaterial> _MatFont;
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CSmartPtr<CTextureFont> _TexFont;
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// Keep track number of textures created to properly report cache version
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uint32 _TexCacheNr;
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public:
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/**
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@ -71,6 +74,7 @@ public:
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_NbChar = 0;
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_MatFont = NULL;
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_TexFont = NULL;
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_TexCacheNr = 0;
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}
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@ -94,7 +98,6 @@ public:
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*/
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CMaterial* getFontMaterial();
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/**
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* Compute primitive blocks and materials of each character of
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* the string.
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@ -152,6 +155,7 @@ public:
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void dumpCache (const char *filename)
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{
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if (_TexFont)
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_TexFont->dumpTextureFont (filename);
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}
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@ -160,6 +164,15 @@ public:
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*/
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void invalidate();
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// get font atlas rebuild count
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uint32 getCacheVersion() const
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{
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if (_TexFont)
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return (_TexFont->getCacheVersion() << 16) + _TexCacheNr;
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return 0;
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}
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};
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@ -150,6 +150,10 @@ public:
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{
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nlassert (index < _CacheStrings.size());
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CComputedString &rCS = _CacheStrings[index];
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if (rCS.CacheVersion != _FontManager->getCacheVersion())
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{
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computeString(rCS.Text, rCS);
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}
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if (_Shaded)
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{
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CRGBA bkup = rCS.Color;
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@ -184,6 +188,10 @@ public:
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{
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nlassert (index < _CacheStrings.size());
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CComputedString &rCS = _CacheStrings[index];
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if (rCS.CacheVersion != _FontManager->getCacheVersion())
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{
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computeString(rCS.Text, rCS);
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}
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if(_Shaded)
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{
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CRGBA bkup = rCS.Color;
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@ -218,6 +226,11 @@ public:
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{
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nlassert (index < _CacheStrings.size());
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CComputedString &rCS = _CacheStrings[index];
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if (rCS.CacheVersion != _FontManager->getCacheVersion())
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{
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computeString(rCS.Text, rCS);
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}
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if (_Shaded)
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{
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CRGBA bkup = rCS.Color;
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@ -18,6 +18,7 @@
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#define NL_TEXTURE_FONT_H
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#include "nel/misc/types_nl.h"
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#include "nel/misc/rect.h"
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#include "nel/3d/texture.h"
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namespace NL3D
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@ -25,9 +26,6 @@ namespace NL3D
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class CFontGenerator;
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#define TEXTUREFONT_NBCATEGORY 5 // Config 1
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//#define TEXTUREFONT_NBCATEGORY 4
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// ****************************************************************************
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/**
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* CTextureFont
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@ -37,32 +35,59 @@ class CTextureFont : public ITexture
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public:
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struct SLetterInfo
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// Holds info for glyphs rendered on atlas
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struct SGlyphInfo
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{
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// To generate the letter
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ucchar Char;
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CFontGenerator *FontGenerator;
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// font atlas info
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uint32 CacheVersion;
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// atlas region with padding
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uint32 X, Y, W, H;
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// rendered glyph size without padding
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uint32 CharWidth;
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uint32 CharHeight;
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// UV coords for rendered glyph without padding
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float U0, V0, U1, V1;
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uint32 GlyphIndex;
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sint Size;
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bool Embolden;
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bool Oblique;
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CFontGenerator *FontGenerator;
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SGlyphInfo()
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: CacheVersion(0),
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U0(0.f), V0(0.f), U1(0.f), V1(0.f),
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X(0), Y(0), W(0), H(0), CharWidth(0), CharHeight(0),
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GlyphIndex(0), Size(0), Embolden(false), Oblique(false), FontGenerator(NULL)
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{
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}
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};
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// The less recently used infos
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SLetterInfo *Next, *Prev;
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// Holds info for glyphs displayed on screen
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struct SLetterInfo
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{
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ucchar Char;
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sint Size;
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bool Embolden;
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bool Oblique;
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CFontGenerator *FontGenerator;
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uint Cat; // 8x8, 16x16, 24x24, 32x32
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//////////////////////////////////////////////////////////////////////
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float U ,V;
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uint32 CharWidth;
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uint32 CharHeight;
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uint32 GlyphIndex; // number of the character in the this font
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uint32 GlyphIndex;
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uint32 CharWidth; // Displayed glyph height
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uint32 CharHeight; // Displayed glyph height
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sint32 Top; // Distance between origin and top of the texture
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sint32 Left; // Distance between origin and left of the texture
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sint32 AdvX; // Advance to the next caracter
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SLetterInfo():Char(0), FontGenerator(NULL), Size(0), Embolden(false), Oblique(false), Next(NULL), Prev(NULL), Cat(0), CharWidth(0), CharHeight(0), GlyphIndex(0), Top(0), Left(0), AdvX(0)
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SGlyphInfo* glyph;
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SLetterInfo()
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: Char(0), Size(0), Embolden(false), Oblique(false), FontGenerator(NULL),
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GlyphIndex(0), CharWidth(0), CharHeight(0), Top(0), Left(0), AdvX(0),
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glyph(NULL)
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{
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}
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};
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@ -70,14 +95,13 @@ public:
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struct SLetterKey
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{
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ucchar Char;
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CFontGenerator *FontGenerator;
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sint Size;
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bool Embolden;
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bool Oblique;
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CFontGenerator *FontGenerator;
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// Does not use FontGenerator in return value
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uint32 getVal();
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//bool operator < (const SLetterKey&k) const;
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//bool operator == (const SLetterKey&k) const;
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SLetterKey():Char(0), FontGenerator(NULL), Size(0), Embolden(false), Oblique(false)
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{
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@ -96,19 +120,76 @@ public:
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void doGenerate (bool async = false);
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// This function manage the cache if the letter wanted does not exist
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SLetterInfo* getLetterInfo (SLetterKey& k);
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// \param render Set to true if letter is currently visible on screen
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SLetterInfo* getLetterInfo (SLetterKey& k, bool render);
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void dumpTextureFont (const char *filename);
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// Version is increased with each rebuild of font atlas
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uint32 getCacheVersion() const { return _CacheVersion; }
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private:
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uint32 _CacheVersion;
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// current texture size
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uint32 _TextureSizeX;
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uint32 _TextureSizeY;
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// maximum texture size allowed
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uint32 _TextureMaxW;
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uint32 _TextureMaxH;
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// padding around glyphs
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uint8 _PaddingL, _PaddingT;
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uint8 _PaddingR, _PaddingB;
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// To find a letter in the texture
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std::map<uint32, SLetterInfo*> Accel;
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std::vector<SLetterInfo> Letters[TEXTUREFONT_NBCATEGORY];
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SLetterInfo *Front[TEXTUREFONT_NBCATEGORY], *Back[TEXTUREFONT_NBCATEGORY];
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// Keep track of available space in main texture
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std::vector<NLMISC::CRect> _AtlasNodes;
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void rebuildLetter (sint cat, sint x, sint y);
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std::vector <SLetterInfo> _Letters;
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// lookup letter from letter cache or create new
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SLetterInfo* findLetter(SLetterKey& k, bool insert);
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// lower/upper bound of glyphs to render, sizes outside are scaled bitmaps
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uint _MinGlyphSize;
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uint _MaxGlyphSize;
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// start using size stem from this font size
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uint _GlyphSizeStepMin;
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// every n'th font size is rendered, intermediates are using bitmap scaling
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uint _GlyphSizeStep;
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// rendered glyph cache
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std::list<SGlyphInfo> _GlyphCache;
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SGlyphInfo* findLetterGlyph(SLetterInfo *letter, bool insert);
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// render letter glyph into glyph cache
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SGlyphInfo* renderLetterGlyph(SLetterInfo *letter, uint32 bitmapFontSize);
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// copy glyph bitmap into texture and invalidate that region
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void copyGlyphBitmap(uint8* bitmap, uint32 bitmapW, uint32 bitmapH, uint32 atlasX, uint32 atlasY);
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// Find best fit for WxH rect in atlas
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uint fitRegion(uint index, uint width, uint height);
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// Return top/left from font texture or false if there is no more room
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bool reserveAtlas(const uint32 width, const uint32 height, uint32 &x, uint32 &y);
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// repack glyphs, resize texture, and invalidate unused glyphs.
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void repackAtlas();
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void repackAtlas(uint32 width, uint32 height);
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// resize texture,
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bool resizeAtlas();
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// remove all glyphs from atlas, clear glyph cache, letter info is kept
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void clearAtlas();
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// if return true: newW, newH contains next size font atlas should be resized
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// if return false: _TextureMaxW and _TextureMaxH is reached
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bool getNextTextureSize(uint32 &newW, uint32 &newH) const;
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/// Todo: serialize a font texture.
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public:
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@ -81,6 +81,11 @@ const char *CFontGenerator::getFT2Error(FT_Error fte)
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return ukn;
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}
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std::string CFontGenerator::getFontFileName() const
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{
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return _FontFileName;
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}
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CFontGenerator *newCFontGenerator(const std::string &fontFileName)
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{
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return new CFontGenerator(fontFileName);
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@ -46,6 +46,7 @@ CMaterial* CFontManager::getFontMaterial()
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if (_TexFont == NULL)
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{
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_TexFont = new CTextureFont;
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_TexCacheNr++;
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}
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if (_MatFont == NULL)
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@ -142,11 +143,17 @@ void CFontManager::computeString (const ucstring &s,
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sint32 nMaxZ = -1000000, nMinZ = 1000000;
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output.StringHeight = 0;
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// save string info for later rebuild as needed
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output.Text = s;
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output.CacheVersion = getCacheVersion();
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uint j = 0;
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{
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CVertexBufferReadWrite vba;
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output.Vertices.lock (vba);
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hlfPixScrW = 0.f;
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hlfPixScrH = 0.f;
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// For all chars
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for (uint i = 0; i < s.size(); i++)
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@ -157,18 +164,23 @@ void CFontManager::computeString (const ucstring &s,
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k.Size = fontSize;
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k.Embolden = embolden;
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k.Oblique = oblique;
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CTextureFont::SLetterInfo *pLI = pTexFont->getLetterInfo (k);
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// render letter
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CTextureFont::SLetterInfo *pLI = pTexFont->getLetterInfo (k, true);
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if(pLI != NULL)
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{
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if ((pLI->CharWidth > 0) && (pLI->CharHeight > 0))
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if (pLI->glyph)
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{
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// If letter is heavily upscaled, then there is noticeable clipping on edges
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// fixing UV will make it bit better
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if ((pLI->Size >> 1) > pLI->glyph->Size)
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{
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hlfPixTexW = 0.5f * TexRatioW;
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hlfPixTexH = 0.5f * TexRatioH;
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}
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// Creating vertices
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dx = pLI->Left;
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dz = -((sint32)pLI->CharHeight - (sint32)(pLI->Top));
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u1 = pLI->U - hlfPixTexW;
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v1 = pLI->V - hlfPixTexH;
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u2 = pLI->U + ((float)pLI->CharWidth) * TexRatioW + hlfPixTexW;
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v2 = pLI->V + ((float)pLI->CharHeight) * TexRatioH + hlfPixTexH;
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x1 = (penx + dx) - hlfPixScrW;
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z1 = (penz + dz) - hlfPixScrH;
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@ -176,19 +188,19 @@ void CFontManager::computeString (const ucstring &s,
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z2 = (penz + dz + (sint32)pLI->CharHeight) + hlfPixScrH;
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vba.setVertexCoord (j, x1, 0, z1);
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vba.setTexCoord (j, 0, u1, v2);
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vba.setTexCoord (j, 0, pLI->glyph->U0-hlfPixTexW, pLI->glyph->V1+hlfPixTexH);
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++j;
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vba.setVertexCoord (j, x2, 0, z1);
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vba.setTexCoord (j, 0, u2, v2);
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vba.setTexCoord (j, 0, pLI->glyph->U1+hlfPixTexW, pLI->glyph->V1+hlfPixTexH);
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++j;
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vba.setVertexCoord (j, x2, 0, z2);
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vba.setTexCoord (j, 0, u2, v1);
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vba.setTexCoord (j, 0, pLI->glyph->U1+hlfPixTexW, pLI->glyph->V0-hlfPixTexH);
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++j;
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vba.setVertexCoord (j, x1, 0, z2);
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vba.setTexCoord (j, 0, u1, v1);
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vba.setTexCoord (j, 0, pLI->glyph->U0-hlfPixTexW, pLI->glyph->V0-hlfPixTexH);
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++j;
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// String Bound
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@ -245,6 +257,19 @@ void CFontManager::computeStringInfo ( const ucstring &s,
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{
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output.Color = color;
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// save string info for later rebuild as needed
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output.Text = s;
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output.CacheVersion = 0;
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if (s.empty())
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{
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output.StringWidth = 0.f;
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output.StringHeight = 0;
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output.StringLine = 0;
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return;
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}
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// resize fontSize if window not of 800x600.
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if (keep800x600Ratio)
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{
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@ -273,7 +298,7 @@ void CFontManager::computeStringInfo ( const ucstring &s,
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k.Size = fontSize;
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k.Embolden = embolden;
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k.Oblique = oblique;
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pLI = pTexFont->getLetterInfo (k);
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pLI = pTexFont->getLetterInfo (k, false);
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if(pLI != NULL)
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{
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if ((pLI->CharWidth > 0) && (pLI->CharHeight > 0))
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@ -318,7 +343,11 @@ void CFontManager::invalidate()
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{
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if (_TexFont)
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_TexFont = NULL;
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_TexFont = new CTextureFont;
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_TexCacheNr++;
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getFontMaterial()->setTexture(0, _TexFont);
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}
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@ -74,25 +74,9 @@ uint32 CTextContext::textPush (const char *format, ...)
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char *str;
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NLMISC_CONVERT_VARGS (str, format, NLMISC::MaxCStringSize);
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if (_CacheNbFreePlaces == 0)
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{
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CComputedString csTmp;
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_CacheStrings.push_back (csTmp);
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if (_CacheFreePlaces.empty())
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_CacheFreePlaces.resize (1);
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_CacheFreePlaces[0] = (uint32)_CacheStrings.size()-1;
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_CacheNbFreePlaces = 1;
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}
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// compute the string.
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uint32 index = _CacheFreePlaces[_CacheNbFreePlaces-1];
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CComputedString &strToFill = _CacheStrings[index];
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_FontManager->computeString (str, _FontGen, _Color, _FontSize, _Embolden, _Oblique, _Driver, strToFill, _Keep800x600Ratio);
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_CacheNbFreePlaces--;
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return index;
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ucstring uc;
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uc.fromUtf8((const char *)str);
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return textPush(uc);
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}
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// ------------------------------------------------------------------------------------------------
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@ -115,8 +99,10 @@ uint32 CTextContext::textPush (const ucstring &str)
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uint32 index = _CacheFreePlaces[_CacheNbFreePlaces-1];
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nlassert (index < _CacheStrings.size());
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CComputedString &strToFill = _CacheStrings[index];
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_FontManager->computeString (str, _FontGen, _Color
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, _FontSize, _Embolden, _Oblique, _Driver, strToFill, _Keep800x600Ratio);
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|
||||
_FontManager->computeString (str, _FontGen, _Color, _FontSize, _Embolden, _Oblique, _Driver, strToFill, _Keep800x600Ratio);
|
||||
// just compute letters, glyphs are rendered on demand before first draw
|
||||
//_FontManager->computeStringInfo(str, _FontGen, _Color, _FontSize, _Embolden, _Oblique, _Driver, strToFill, _Keep800x600Ratio);
|
||||
|
||||
_CacheNbFreePlaces--;
|
||||
|
||||
|
|
|
|||
|
|
@ -23,7 +23,7 @@
|
|||
#include "nel/misc/common.h"
|
||||
#include "nel/misc/rect.h"
|
||||
#include "nel/misc/file.h"
|
||||
|
||||
#include "nel/misc/path.h"
|
||||
|
||||
using namespace std;
|
||||
using namespace NLMISC;
|
||||
|
|
@ -35,37 +35,14 @@ using namespace NLMISC;
|
|||
namespace NL3D
|
||||
{
|
||||
|
||||
// Config 1
|
||||
const int TextureSizeX = 1024;
|
||||
const int TextureSizeY = 1024; // If change this value -> change NbLine too
|
||||
const int Categories[TEXTUREFONT_NBCATEGORY] = { 8, 16, 24, 32, 64 };
|
||||
const int NbLine[TEXTUREFONT_NBCATEGORY] = { 8, 24, 16, 4, 1 }; // Based on textsize
|
||||
|
||||
/*
|
||||
const int TextureSizeX = 256;
|
||||
const int TextureSizeY = 256;
|
||||
const int Categories[TEXTUREFONT_NBCATEGORY] = { 8, 16, 24, 32 };
|
||||
const int NbLine[TEXTUREFONT_NBCATEGORY] = { 4, 6, 4, 1 }; // Based on textsize
|
||||
*/
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
inline uint32 CTextureFont::SLetterKey::getVal()
|
||||
{
|
||||
// this limits Size to 6bits
|
||||
// Large sizes already render wrong when many
|
||||
// different glyphs are used due to limited texture atlas
|
||||
uint8 eb = ((uint)Embolden) + ((uint)Oblique << 1);
|
||||
if (FontGenerator == NULL)
|
||||
return Char + ((Size&255)<<16) + (eb << 22);
|
||||
else
|
||||
return Char + ((Size&255)<<16) + (eb << 22) + ((FontGenerator->getUID()&0xFF)<<24);
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
CTextureFont::CTextureFont()
|
||||
: _CacheVersion(1),
|
||||
_TextureSizeX(512), _TextureSizeY(512), _TextureMaxW(4096), _TextureMaxH(4096),
|
||||
_PaddingL(0), _PaddingT(0), _PaddingR(1), _PaddingB(1),
|
||||
_MinGlyphSize(5), _MaxGlyphSize(200),
|
||||
_GlyphSizeStepMin(50), _GlyphSizeStep(5)
|
||||
{
|
||||
uint i;
|
||||
|
||||
setFilterMode (ITexture::Linear, ITexture::LinearMipMapOff);
|
||||
|
||||
setWrapS (ITexture::Repeat);
|
||||
|
|
@ -75,53 +52,9 @@ CTextureFont::CTextureFont()
|
|||
|
||||
setReleasable (false);
|
||||
|
||||
resize (TextureSizeX, TextureSizeY, CBitmap::Alpha);
|
||||
for(i = 0; i < TextureSizeX*TextureSizeY; ++i)
|
||||
getPixels()[i] = 0;
|
||||
// convertToType (CBitmap::Alpha);
|
||||
resize (_TextureSizeX, _TextureSizeY, CBitmap::Alpha, true);
|
||||
|
||||
sint posY = 0;
|
||||
|
||||
for(i = 0; i < TEXTUREFONT_NBCATEGORY; ++i)
|
||||
{
|
||||
// Number of chars per cache
|
||||
Letters[i].resize ((TextureSizeX/Categories[i])*NbLine[i]);
|
||||
|
||||
for(uint32 j = 0; j < Letters[i].size(); ++j)
|
||||
{
|
||||
SLetterInfo &rLetter = Letters[i][j];
|
||||
rLetter.Char = 0xffff;
|
||||
rLetter.FontGenerator = NULL;
|
||||
rLetter.Size= 0;
|
||||
rLetter.Embolden = false;
|
||||
rLetter.Oblique = false;
|
||||
|
||||
// The less recently used infos
|
||||
if (j < Letters[i].size()-1)
|
||||
rLetter.Next = &Letters[i][j+1];
|
||||
else
|
||||
rLetter.Next = NULL;
|
||||
|
||||
if (j > 0)
|
||||
rLetter.Prev = &Letters[i][j-1];
|
||||
else
|
||||
rLetter.Prev = NULL;
|
||||
|
||||
rLetter.Cat = i;
|
||||
|
||||
sint sizeX = TextureSizeX/Categories[i];
|
||||
rLetter.U = (Categories[i]*(j%sizeX)) / ((float)TextureSizeX);
|
||||
rLetter.V = (posY + Categories[i]*((sint)(j/sizeX))) / ((float)TextureSizeY);
|
||||
|
||||
/////////////////////////////////////////////////
|
||||
|
||||
rLetter.CharWidth = rLetter.CharHeight = 0;
|
||||
rLetter.GlyphIndex = rLetter.Top = rLetter.Left = rLetter.AdvX = 0;
|
||||
}
|
||||
Front[i] = &Letters[i][0];
|
||||
Back[i] = &Letters[i][Letters[i].size()-1];
|
||||
posY += NbLine[i] * Categories[i];
|
||||
}
|
||||
_AtlasNodes.push_back(CRect(0, 0, _TextureSizeX, _TextureSizeY));
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -129,17 +62,16 @@ CTextureFont::~CTextureFont()
|
|||
{
|
||||
}
|
||||
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
void CTextureFont::dumpTextureFont(const char *filename)
|
||||
{
|
||||
CBitmap b;
|
||||
COFile f( filename );
|
||||
b.resize (TextureSizeX, TextureSizeY, CBitmap::RGBA);
|
||||
b.resize (_TextureSizeX, _TextureSizeY, CBitmap::RGBA);
|
||||
CObjectVector<uint8>&bits = b.getPixels();
|
||||
CObjectVector<uint8>&src = getPixels();
|
||||
|
||||
for (uint i = 0; i < (TextureSizeX*TextureSizeY); ++i)
|
||||
for (uint i = 0; i < (_TextureSizeX*_TextureSizeY); ++i)
|
||||
{
|
||||
bits[i*4+0] = bits[i*4+1] = bits[i*4+2] = bits[i*4+3] = src[i];
|
||||
}
|
||||
|
|
@ -147,242 +79,468 @@ void CTextureFont::dumpTextureFont(const char *filename)
|
|||
b.writeTGA (f, 32);
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
bool CTextureFont::getNextTextureSize(uint32 &newW, uint32 &newH) const
|
||||
{
|
||||
// width will be resized first (256x256 -> 512x256)
|
||||
if (_TextureSizeX <= _TextureSizeY)
|
||||
{
|
||||
newW = _TextureSizeX * 2;
|
||||
newH = _TextureSizeY;
|
||||
}
|
||||
else
|
||||
{
|
||||
newW = _TextureSizeX;
|
||||
newH = _TextureSizeY * 2;
|
||||
}
|
||||
|
||||
// no more room
|
||||
return newW <= _TextureMaxW && newH <= _TextureMaxH;
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// cat : categories where the letter is
|
||||
// x : pos x of the letter
|
||||
// y : pos y of the letter
|
||||
void CTextureFont::rebuildLetter (sint cat, sint x, sint y)
|
||||
// out of room, clear everything and rebuild glyphs on demand
|
||||
// note: text will display wrong until glyphs get rendered again
|
||||
void CTextureFont::clearAtlas()
|
||||
{
|
||||
sint sizex = TextureSizeX / Categories[cat];
|
||||
sint index = x + y*sizex;
|
||||
SLetterInfo &rLetter = Letters[cat][index];
|
||||
nlwarning("Glyph cache will be cleared.");
|
||||
|
||||
if (rLetter.FontGenerator == NULL)
|
||||
return;
|
||||
_AtlasNodes.clear();
|
||||
_AtlasNodes.push_back(CRect(0, 0, _TextureSizeX, _TextureSizeY));
|
||||
|
||||
sint catTopY = 0;
|
||||
sint c = 0;
|
||||
while (c < cat)
|
||||
// clear texture
|
||||
_Data[0].fill(0);
|
||||
|
||||
// clear glyph cache
|
||||
for(uint i = 0; i< _Letters.size(); ++i)
|
||||
{
|
||||
catTopY += NbLine[c] * Categories[c];
|
||||
++c;
|
||||
_Letters[i].glyph = NULL;
|
||||
}
|
||||
// Destination position in pixel of the letter
|
||||
sint posx = x * Categories[cat];
|
||||
sint posy = catTopY + y * Categories[cat];
|
||||
_GlyphCache.clear();
|
||||
|
||||
uint32 pitch = 0;
|
||||
uint8 *bitmap = rLetter.FontGenerator->getBitmap ( rLetter.Char, rLetter.Size, rLetter.Embolden, rLetter.Oblique,
|
||||
rLetter.CharWidth, rLetter.CharHeight,
|
||||
pitch, rLetter.Left, rLetter.Top,
|
||||
rLetter.AdvX, rLetter.GlyphIndex );
|
||||
_CacheVersion++;
|
||||
|
||||
// Copy FreeType buffer
|
||||
uint i;
|
||||
for (i = 0; i < rLetter.CharHeight; ++i)
|
||||
touch();
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
void CTextureFont::repackAtlas()
|
||||
{
|
||||
uint8 *pDst = &_Data[0][posx + (posy+i)*TextureSizeY];
|
||||
uint8 *pSrc = &bitmap[i*pitch];
|
||||
for (uint j = 0; j < rLetter.CharWidth; ++j)
|
||||
repackAtlas(_TextureSizeX, _TextureSizeY);
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// backup old glyphs and move them to newly resized texture
|
||||
// new atlas will be sorted if _GlyphCache is
|
||||
void CTextureFont::repackAtlas(uint32 newW, uint32 newH)
|
||||
{
|
||||
*pDst = *pSrc;
|
||||
uint32 newCacheVersion = _CacheVersion+1;
|
||||
|
||||
CBitmap btm;
|
||||
uint32 oldW, oldH;
|
||||
|
||||
oldW = _TextureSizeX;
|
||||
oldH = _TextureSizeY;
|
||||
btm.resize(oldW, oldH, CBitmap::Alpha, true);
|
||||
btm.blit(this, 0, 0);
|
||||
|
||||
// resize texture
|
||||
if (_TextureSizeX != newW || _TextureSizeY != newH)
|
||||
{
|
||||
_TextureSizeX = newW;
|
||||
_TextureSizeY = newH;
|
||||
resize (_TextureSizeX, _TextureSizeY, CBitmap::Alpha, true);
|
||||
}
|
||||
else
|
||||
{
|
||||
_Data[0].fill(0);
|
||||
}
|
||||
|
||||
// release atlas and rebuild
|
||||
_AtlasNodes.clear();
|
||||
_AtlasNodes.push_back(CRect(0, 0, _TextureSizeX, _TextureSizeY));
|
||||
|
||||
CObjectVector<uint8>&src = btm.getPixels();
|
||||
for(std::list<SGlyphInfo>::iterator it = _GlyphCache.begin(); it != _GlyphCache.end(); ++it)
|
||||
{
|
||||
if (it->CacheVersion != _CacheVersion)
|
||||
{
|
||||
// TODO: must remove glyph from all letters before removing glyph from cache
|
||||
//continue;
|
||||
}
|
||||
|
||||
SGlyphInfo &glyph = *it;
|
||||
|
||||
glyph.CacheVersion = newCacheVersion;
|
||||
|
||||
uint32 atlasX, atlasY;
|
||||
if (reserveAtlas(glyph.W, glyph.H, atlasX, atlasY))
|
||||
{
|
||||
for (uint y = 0; y < glyph.H; ++y)
|
||||
{
|
||||
uint8 *pDst = &_Data[0][(atlasY + y) * _TextureSizeX + atlasX];
|
||||
for (uint x = 0; x < glyph.W; ++x)
|
||||
{
|
||||
*pDst = src[(glyph.Y + y) * oldW + glyph.X + x];
|
||||
++pDst;
|
||||
++pSrc;
|
||||
}
|
||||
}
|
||||
|
||||
// Black border bottom and right
|
||||
for (i = 0; i < rLetter.CharHeight+1; ++i)
|
||||
// TODO: dup code with renderGlyph
|
||||
glyph.U0 = (atlasX+_PaddingL) / (float)_TextureSizeX;
|
||||
glyph.V0 = (atlasY+_PaddingT) / (float)_TextureSizeY;
|
||||
glyph.U1 = (atlasX+_PaddingL+glyph.CharWidth) / (float)_TextureSizeX;
|
||||
glyph.V1 = (atlasY+_PaddingT+glyph.CharHeight) / (float)_TextureSizeY;
|
||||
|
||||
glyph.X = atlasX;
|
||||
glyph.Y = atlasY;
|
||||
}
|
||||
}
|
||||
|
||||
_CacheVersion = newCacheVersion;
|
||||
|
||||
// invalidate full texture
|
||||
touch();
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
bool CTextureFont::resizeAtlas()
|
||||
{
|
||||
_Data[0][posx + rLetter.CharWidth + (posy+i)*TextureSizeY] = 0;
|
||||
}
|
||||
|
||||
for (i = 0; i < rLetter.CharWidth+1; ++i)
|
||||
uint32 newW, newH;
|
||||
if (!getNextTextureSize(newW, newH))
|
||||
{
|
||||
_Data[0][posx + i + (posy+rLetter.CharHeight)*TextureSizeY] = 0;
|
||||
nlwarning("Font texture at maximum (%d,%d). Resize failed.", _TextureSizeX, _TextureSizeY);
|
||||
return false;
|
||||
}
|
||||
|
||||
/*
|
||||
dumpTextureFont (this);
|
||||
int a = 5;
|
||||
a++;
|
||||
*/
|
||||
// resize and redraw
|
||||
repackAtlas(newW, newH);
|
||||
return true;
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
void CTextureFont::doGenerate(bool async)
|
||||
{
|
||||
// Rectangle invalidate ?
|
||||
if (_ListInvalidRect.begin()!=_ListInvalidRect.end())
|
||||
{
|
||||
// Yes, rebuild only those rectangles.
|
||||
|
||||
// For each rectangle to compute
|
||||
std::list<NLMISC::CRect>::iterator ite=_ListInvalidRect.begin();
|
||||
while (ite!=_ListInvalidRect.end())
|
||||
{
|
||||
// Compute rectangle coordinates
|
||||
sint x = ite->left();
|
||||
sint y = ite->bottom();
|
||||
|
||||
// Look in which category is the rectangle
|
||||
sint cat = 0;
|
||||
sint catTopY = 0;
|
||||
sint catBotY = NbLine[cat] * Categories[cat];
|
||||
while (y > catBotY)
|
||||
{
|
||||
if (y < catBotY)
|
||||
break;
|
||||
++cat;
|
||||
nlassert (cat < TEXTUREFONT_NBCATEGORY);
|
||||
catTopY = catBotY;
|
||||
catBotY += NbLine[cat] * Categories[cat];
|
||||
}
|
||||
|
||||
x = x / Categories[cat];
|
||||
y = ite->top();
|
||||
y = y - catTopY;
|
||||
y = y / Categories[cat];
|
||||
|
||||
rebuildLetter (cat, x, y);
|
||||
|
||||
// Next rectangle
|
||||
ite++;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for(int cat = 0; cat < TEXTUREFONT_NBCATEGORY; ++cat)
|
||||
{
|
||||
sint sizex = TextureSizeX / Categories[cat];
|
||||
sint sizey = NbLine[cat];
|
||||
for (sint y = 0; y < sizey; y++)
|
||||
for (sint x = 0; x < sizex; x++)
|
||||
{
|
||||
rebuildLetter (cat, x, y);
|
||||
}
|
||||
}
|
||||
}
|
||||
/*
|
||||
dumpTextureFont (this);
|
||||
int a = 5;
|
||||
nlinfo("doGenerate: Letters(%d/%d), Glyphs(%d/%d)\n", _Letters.size(), _Letters.size() * sizeof(SLetterInfo),
|
||||
_GlyphCache.size(), _GlyphCache.size() * sizeof(SGlyphInfo));
|
||||
//std::string fname = CFile::findNewFile("/tmp/font-texture.tga");
|
||||
std::string fname = toString("/tmp/font-texture-%p-%03d.tga", this, _CacheVersion);
|
||||
dumpTextureFont (fname.c_str());
|
||||
*/
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
CTextureFont::SLetterInfo* CTextureFont::getLetterInfo (SLetterKey& k)
|
||||
uint CTextureFont::fitRegion(uint index, uint width, uint height)
|
||||
{
|
||||
sint cat;
|
||||
uint32 nTmp = k.getVal();
|
||||
map<uint32, SLetterInfo*>::iterator itAccel = Accel.find (nTmp);
|
||||
if (itAccel != Accel.end())
|
||||
if (_AtlasNodes[index].X + width > _TextureSizeX - 1)
|
||||
{
|
||||
// Put it in the first place
|
||||
SLetterInfo *pLetterToMove = itAccel->second;
|
||||
cat = pLetterToMove->Cat;
|
||||
if (pLetterToMove != Front[cat])
|
||||
{
|
||||
// unlink
|
||||
nlassert(pLetterToMove->Prev);
|
||||
pLetterToMove->Prev->Next = pLetterToMove->Next;
|
||||
if (pLetterToMove == Back[cat])
|
||||
{
|
||||
Back[cat] = pLetterToMove->Prev;
|
||||
}
|
||||
else
|
||||
{
|
||||
pLetterToMove->Next->Prev = pLetterToMove->Prev;
|
||||
return -1;
|
||||
}
|
||||
|
||||
// link to front
|
||||
pLetterToMove->Prev = NULL;
|
||||
pLetterToMove->Next = Front[cat];
|
||||
Front[cat]->Prev = pLetterToMove;
|
||||
Front[cat] = pLetterToMove;
|
||||
}
|
||||
return pLetterToMove;
|
||||
}
|
||||
uint x = _AtlasNodes[index].X;
|
||||
uint y = _AtlasNodes[index].Y;
|
||||
sint widthLeft = width;
|
||||
|
||||
// The letter is not already present
|
||||
// Found the category of the new letter
|
||||
uint32 width, height;
|
||||
|
||||
//k.FontGenerator->getSizes (k.Char, k.Size, width, height);
|
||||
// \todo mat : Temp !!! Try to use freetype cache
|
||||
uint32 nPitch, nGlyphIndex;
|
||||
sint32 nLeft, nTop, nAdvX;
|
||||
k.FontGenerator->getBitmap (k.Char, k.Size, k.Embolden, k.Oblique, width, height, nPitch, nLeft, nTop,
|
||||
nAdvX, nGlyphIndex );
|
||||
|
||||
// Add 1 pixel space for black border to get correct category
|
||||
cat = 0;
|
||||
if (((sint)width+1 > Categories[TEXTUREFONT_NBCATEGORY-1]) ||
|
||||
((sint)height+1 > Categories[TEXTUREFONT_NBCATEGORY-1]))
|
||||
return NULL;
|
||||
|
||||
while (((sint)width+1 > Categories[cat]) || ((sint)height+1 > Categories[cat]))
|
||||
while(widthLeft > 0)
|
||||
{
|
||||
++cat;
|
||||
nlassert (cat != TEXTUREFONT_NBCATEGORY);
|
||||
}
|
||||
|
||||
// And replace the less recently used letter
|
||||
SLetterKey k2;
|
||||
k2.Char = Back[cat]->Char;
|
||||
k2.FontGenerator = Back[cat]->FontGenerator;
|
||||
k2.Size = Back[cat]->Size;
|
||||
k2.Embolden = Back[cat]->Embolden;
|
||||
k2.Oblique = Back[cat]->Oblique;
|
||||
|
||||
itAccel = Accel.find (k2.getVal());
|
||||
if (itAccel != Accel.end())
|
||||
if (_AtlasNodes[index].Y > y)
|
||||
{
|
||||
Accel.erase (itAccel);
|
||||
y = _AtlasNodes[index].Y;
|
||||
}
|
||||
|
||||
SLetterInfo *NewBack = Back[cat]->Prev;
|
||||
NewBack->Next = NULL;
|
||||
Back[cat]->Cat = cat;
|
||||
Back[cat]->Char = k.Char;
|
||||
Back[cat]->FontGenerator = k.FontGenerator;
|
||||
Back[cat]->Size = k.Size;
|
||||
Back[cat]->Embolden = k.Embolden;
|
||||
Back[cat]->Oblique = k.Oblique;
|
||||
Back[cat]->CharWidth = width;
|
||||
Back[cat]->CharHeight = height;
|
||||
Back[cat]->Top = nTop;
|
||||
Back[cat]->Left = nLeft;
|
||||
Back[cat]->AdvX = nAdvX;
|
||||
Back[cat]->Prev = NULL;
|
||||
Back[cat]->Next = Front[cat];
|
||||
Front[cat]->Prev = Back[cat];
|
||||
Front[cat] = Back[cat];
|
||||
Back[cat] = NewBack;
|
||||
|
||||
Accel.insert (map<uint32, SLetterInfo*>::value_type(k.getVal(),Front[cat]));
|
||||
|
||||
// Invalidate the zone
|
||||
sint index = (sint)(Front[cat] - &Letters[cat][0]);// / sizeof (SLetterInfo);
|
||||
sint sizex = TextureSizeX / Categories[cat];
|
||||
sint x = index % sizex;
|
||||
sint y = index / sizex;
|
||||
x = x * Categories[cat];
|
||||
y = y * Categories[cat];
|
||||
|
||||
sint c = 0;
|
||||
while (c < cat)
|
||||
// _AtlasNodes[0] for margin is not used here
|
||||
if (_AtlasNodes[index].Y + height > _TextureSizeY - 1)
|
||||
{
|
||||
y = y + NbLine[c] * Categories[c];
|
||||
++c;
|
||||
return -1;
|
||||
}
|
||||
|
||||
// must update the char, WITH the black borders
|
||||
CRect r (x, y, width+1, height+1);
|
||||
widthLeft -= _AtlasNodes[index].Width;
|
||||
index++;
|
||||
}
|
||||
|
||||
return y;
|
||||
}
|
||||
|
||||
bool CTextureFont::reserveAtlas(const uint32 width, const uint32 height, uint32 &x, uint32 &y)
|
||||
{
|
||||
if (_AtlasNodes.empty())
|
||||
{
|
||||
nlwarning("No available space in texture atlas (_AtlasNodes.empty() == true)");
|
||||
return false;
|
||||
}
|
||||
|
||||
x = 0;
|
||||
y = 0;
|
||||
|
||||
sint bestIndex = -1;
|
||||
sint bestWidth = _TextureSizeX;
|
||||
sint bestHeight = _TextureSizeY;
|
||||
|
||||
sint selY=0;
|
||||
|
||||
for (uint i = 0; i < _AtlasNodes.size(); ++i)
|
||||
{
|
||||
selY = fitRegion(i, width, height);
|
||||
if (selY >=0)
|
||||
{
|
||||
if (((selY + height) < bestHeight) || ((selY + height) == bestHeight && _AtlasNodes[i].Width > 0 && _AtlasNodes[i].Width < bestWidth))
|
||||
{
|
||||
bestHeight = selY + height;
|
||||
bestIndex = i;
|
||||
bestWidth = _AtlasNodes[i].Width;
|
||||
x = _AtlasNodes[i].X;
|
||||
y = selY;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (bestIndex == -1)
|
||||
{
|
||||
x = 0;
|
||||
y = 0;
|
||||
return false;
|
||||
}
|
||||
|
||||
CRect r(x, y + height, width, 0);
|
||||
_AtlasNodes.insert(_AtlasNodes.begin() + bestIndex, r);
|
||||
|
||||
// shrink or remove nodes overlaping with newly inserted node
|
||||
for(uint i = bestIndex+1; i< _AtlasNodes.size(); i++)
|
||||
{
|
||||
if (_AtlasNodes[i].X < (_AtlasNodes[i-1].X + _AtlasNodes[i-1].Width))
|
||||
{
|
||||
sint shrink = _AtlasNodes[i-1].X + _AtlasNodes[i-1].Width - _AtlasNodes[i].X;
|
||||
_AtlasNodes[i].X += shrink;
|
||||
if (_AtlasNodes[i].Width > shrink)
|
||||
{
|
||||
_AtlasNodes[i].Width -= shrink;
|
||||
break;
|
||||
}
|
||||
_AtlasNodes.erase(_AtlasNodes.begin() + i);
|
||||
i--;
|
||||
}
|
||||
else break;
|
||||
}
|
||||
|
||||
// merge nearby nodes from same row
|
||||
for(uint i = 0; i < _AtlasNodes.size() - 1; i++)
|
||||
{
|
||||
if (_AtlasNodes[i].Y == _AtlasNodes[i+1].Y)
|
||||
{
|
||||
_AtlasNodes[i].Width += _AtlasNodes[i+1].Width;
|
||||
_AtlasNodes.erase(_AtlasNodes.begin() + i + 1);
|
||||
i--;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// bitmap : texture data
|
||||
// bitmapW : bitmap width
|
||||
// bitmapH : bitmap height
|
||||
// atlasX : pos x in font texture
|
||||
// atlasY : pos y in font texture
|
||||
void CTextureFont::copyGlyphBitmap(uint8* bitmap, uint32 bitmapW, uint32 bitmapH, uint32 atlasX, uint32 atlasY)
|
||||
{
|
||||
for (uint bY = 0; bY < bitmapH; ++bY)
|
||||
{
|
||||
uint8 *pDst = &_Data[0][(atlasY+_PaddingT+bY) * _TextureSizeX+atlasX+_PaddingL];
|
||||
for (uint bX = 0; bX < bitmapW; ++bX)
|
||||
{
|
||||
*pDst = bitmap[bY * bitmapW+bX];
|
||||
++pDst;
|
||||
}
|
||||
}
|
||||
|
||||
if (_PaddingR > 0 || _PaddingB > 0 || _PaddingL > 0 || _PaddingT > 0)
|
||||
{
|
||||
for(uint i = 0; i<(bitmapH+_PaddingT+_PaddingB); ++i)
|
||||
{
|
||||
if (_PaddingT > 0) _Data[0][(atlasY + i) * _TextureSizeX + atlasX ] = 0;
|
||||
if (_PaddingB > 0) _Data[0][(atlasY + i) * _TextureSizeX + atlasX + _PaddingL + bitmapW] = 0;
|
||||
}
|
||||
|
||||
for (uint i = 0; i<(bitmapW+_PaddingL+_PaddingR); ++i)
|
||||
{
|
||||
if (_PaddingL > 0) _Data[0][atlasY * _TextureSizeX + atlasX + i] = 0;
|
||||
if (_PaddingB > 0) _Data[0][(atlasY + _PaddingT + bitmapH) * _TextureSizeX + atlasX + i] = 0;
|
||||
}
|
||||
}
|
||||
|
||||
CRect r(atlasX, atlasY, bitmapW + _PaddingL + _PaddingR, bitmapH + _PaddingT + _PaddingB);
|
||||
touchRect(r);
|
||||
}
|
||||
|
||||
return Front[cat];
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
CTextureFont::SGlyphInfo* CTextureFont::renderLetterGlyph(SLetterInfo *letter, uint bitmapFontSize)
|
||||
{
|
||||
uint32 nPitch;
|
||||
sint32 left;
|
||||
sint32 top;
|
||||
sint32 advx;
|
||||
uint32 charWidth;
|
||||
uint32 charHeight;
|
||||
uint32 glyphIndex;
|
||||
|
||||
uint8 *bitmap = letter->FontGenerator->getBitmap (letter->Char, bitmapFontSize, letter->Embolden, letter->Oblique,
|
||||
charWidth, charHeight,
|
||||
nPitch, left, top,
|
||||
advx, glyphIndex );
|
||||
|
||||
uint32 atlasX, atlasY;
|
||||
uint32 rectW, rectH;
|
||||
rectW = charWidth + _PaddingL + _PaddingR;
|
||||
rectH = charHeight + _PaddingT + _PaddingB;
|
||||
|
||||
if (!reserveAtlas(rectW, rectH, atlasX, atlasY))
|
||||
{
|
||||
// no room
|
||||
return NULL;
|
||||
}
|
||||
copyGlyphBitmap(bitmap, charWidth, charHeight, atlasX, atlasY);
|
||||
|
||||
SGlyphInfo* glyphInfo = NULL;
|
||||
{
|
||||
// keep cache sorted by height (smaller first)
|
||||
std::list<SGlyphInfo>::iterator it = _GlyphCache.begin();
|
||||
while(it != _GlyphCache.end() && it->CharHeight < charHeight)
|
||||
{
|
||||
++it;
|
||||
}
|
||||
|
||||
it = _GlyphCache.insert(it, SGlyphInfo());
|
||||
glyphInfo = &(*it);
|
||||
}
|
||||
|
||||
glyphInfo->GlyphIndex = glyphIndex;
|
||||
glyphInfo->Size = bitmapFontSize;
|
||||
glyphInfo->Embolden = letter->Embolden;
|
||||
glyphInfo->Oblique = letter->Oblique;
|
||||
glyphInfo->FontGenerator = letter->FontGenerator;
|
||||
glyphInfo->CacheVersion = _CacheVersion;
|
||||
|
||||
glyphInfo->U0 = (atlasX+_PaddingL) / (float)_TextureSizeX;
|
||||
glyphInfo->V0 = (atlasY+_PaddingT) / (float)_TextureSizeY;
|
||||
glyphInfo->U1 = (atlasX+_PaddingL+charWidth) / (float)_TextureSizeX;
|
||||
glyphInfo->V1 = (atlasY+_PaddingT+charHeight) / (float)_TextureSizeY;
|
||||
|
||||
glyphInfo->CharWidth = charWidth;
|
||||
glyphInfo->CharHeight = charHeight;
|
||||
|
||||
glyphInfo->X = atlasX;
|
||||
glyphInfo->Y = atlasY;
|
||||
glyphInfo->W = rectW;
|
||||
glyphInfo->H = rectH;
|
||||
|
||||
return glyphInfo;
|
||||
}
|
||||
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
CTextureFont::SGlyphInfo* CTextureFont::findLetterGlyph(SLetterInfo *letter, bool insert)
|
||||
{
|
||||
uint bitmapFontSize = max((sint)_MinGlyphSize, min((sint)_MaxGlyphSize, letter->Size));
|
||||
if (_GlyphSizeStep > 1 && bitmapFontSize > _GlyphSizeStepMin)
|
||||
{
|
||||
uint size = (bitmapFontSize / _GlyphSizeStep) * _GlyphSizeStep;
|
||||
}
|
||||
|
||||
// CacheVersion not checked, all glyphs in cache must be rendered on texture
|
||||
for(std::list<SGlyphInfo>::iterator it = _GlyphCache.begin(); it != _GlyphCache.end(); ++it)
|
||||
{
|
||||
if (it->GlyphIndex == letter->GlyphIndex &&
|
||||
it->Size == bitmapFontSize &&
|
||||
it->Embolden == letter->Embolden &&
|
||||
it->Oblique == letter->Oblique &&
|
||||
it->FontGenerator == letter->FontGenerator)
|
||||
{
|
||||
return &(*it);
|
||||
}
|
||||
}
|
||||
|
||||
if (insert)
|
||||
{
|
||||
return renderLetterGlyph(letter, bitmapFontSize);
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
CTextureFont::SLetterInfo* CTextureFont::findLetter(SLetterKey &k, bool insert)
|
||||
{
|
||||
// TODO: use std::map<uint64>
|
||||
for(uint i = 0; i < _Letters.size(); ++i)
|
||||
{
|
||||
if (_Letters[i].Char == k.Char && _Letters[i].Size == k.Size &&
|
||||
_Letters[i].Embolden == k.Embolden && _Letters[i].Oblique == k.Oblique &&
|
||||
_Letters[i].FontGenerator == k.FontGenerator)
|
||||
{
|
||||
return &_Letters[i];
|
||||
}
|
||||
}
|
||||
|
||||
if (insert)
|
||||
{
|
||||
_Letters.push_back(SLetterInfo());
|
||||
SLetterInfo* letter = &_Letters.back();
|
||||
|
||||
// get metrics for requested size
|
||||
letter->Char = k.Char;
|
||||
letter->Size = k.Size;
|
||||
letter->Embolden = k.Embolden;
|
||||
letter->Oblique = k.Oblique;
|
||||
letter->FontGenerator = k.FontGenerator;
|
||||
|
||||
uint32 nPitch;
|
||||
letter->FontGenerator->getBitmap(letter->Char, letter->Size, letter->Embolden, letter->Oblique,
|
||||
letter->CharWidth, letter->CharHeight,
|
||||
nPitch, letter->Left, letter->Top,
|
||||
letter->AdvX, letter->GlyphIndex );
|
||||
|
||||
return letter;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
CTextureFont::SLetterInfo* CTextureFont::getLetterInfo (SLetterKey& k, bool render)
|
||||
{
|
||||
// find already cached letter or create new one
|
||||
SLetterInfo* letter = findLetter(k, true);
|
||||
// letter not found (=NULL) or render not requested
|
||||
if (!letter || !render) return letter;
|
||||
|
||||
if (!letter->glyph || letter->glyph->CacheVersion != _CacheVersion)
|
||||
{
|
||||
// render glyph
|
||||
letter->glyph = findLetterGlyph(letter, true);
|
||||
if (letter->glyph == NULL)
|
||||
{
|
||||
// resize/repack and try again
|
||||
if (!resizeAtlas()) repackAtlas();
|
||||
|
||||
letter->glyph = findLetterGlyph(letter, true);
|
||||
if (letter->glyph == NULL)
|
||||
{
|
||||
// make room by clearing all glyphs and reduce max size for glyphs
|
||||
clearAtlas();
|
||||
if (_MaxGlyphSize > _MinGlyphSize)
|
||||
{
|
||||
_MaxGlyphSize = max(_MinGlyphSize, _MaxGlyphSize - 10);
|
||||
}
|
||||
|
||||
letter->glyph = findLetterGlyph(letter, true);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return letter;
|
||||
}
|
||||
|
||||
} // NL3D
|
||||
|
|
|
|||
|
|
@ -3419,6 +3419,22 @@ void displayDebugClusters()
|
|||
|
||||
}
|
||||
|
||||
NLMISC_COMMAND(dumpFontTexture, "Write font texture to file", "")
|
||||
{
|
||||
CInterfaceManager *im = CInterfaceManager::getInstance();
|
||||
if (TextContext)
|
||||
{
|
||||
std::string fname = CFile::findNewFile("font-texture.tga");
|
||||
TextContext->dumpCacheTexture(fname.c_str());
|
||||
im->displaySystemInfo(ucstring(fname + " created"), "SYS");
|
||||
}
|
||||
else
|
||||
{
|
||||
im->displaySystemInfo(ucstring("Error: TextContext == NULL"), "SYS");
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
// ***************************************************************************
|
||||
void inGamePatchUncompleteWarning()
|
||||
|
|
|
|||
Loading…
Reference in a new issue