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GTASource/rage/scaleform/Src/GFxPlayer/GFxFontResource.cpp

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2025-02-23 17:40:52 +08:00
/**********************************************************************
Filename : GFxFontResource.cpp
Content : Representation of SWF/GFX font data and resources.
Created :
Authors :
Copyright : (c) 2001-2007 Scaleform Corp. All Rights Reserved.
Notes :
Licensees may use this file in accordance with the valid Scaleform
Commercial License Agreement provided with the software.
This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING
THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR ANY PURPOSE.
**********************************************************************/
#include "GFxFontResource.h"
#include "GFxStream.h"
#include "GFxLog.h"
#include "GFxShape.h"
#include "GMath.h"
#include "GStd.h"
#include "GFile.h"
#include "GAlgorithm.h"
#include "GFxLoadProcess.h"
#include "GMsgFormat.h"
// ***** GFxTextureGlyph
GImageInfoBase* GFxTextureGlyph::GetImageInfo(const GFxResourceBinding *pbinding) const
{
GFxImageResource* pimageRes = (*pbinding)[pImage];
return pimageRes ? pimageRes->GetImageInfo() : 0;
}
// ***** GFxTextureGlyphData
// Return a pointer to a GFxTextureGlyph struct Corresponding to
// the given GlyphIndex, if we have one. Otherwise return NULL.
const GFxTextureGlyph& GFxTextureGlyphData::GetTextureGlyph(UInt glyphIndex) const
{
if (glyphIndex >= TextureGlyphs.GetSize())
{
static const GFxTextureGlyph dummyTextureGlyph;
return dummyTextureGlyph;
}
return TextureGlyphs[glyphIndex];
}
// Register some texture info for the glyph at the specified
// index. The GFxTextureGlyph can be used later to render the glyph.
void GFxTextureGlyphData::AddTextureGlyph(UInt glyphIndex, const GFxTextureGlyph& glyph)
{
GASSERT(glyphIndex != (UInt)-1);
// Resize texture glyphs so that the index will fit.
if (TextureGlyphs.GetSize() <= glyphIndex)
{
TextureGlyphs.Resize(glyphIndex+1);
if (TextureGlyphs.GetSize() <= glyphIndex)
return;
}
GASSERT(glyph.HasImageResource());
GASSERT(TextureGlyphs[glyphIndex].HasImageResource() == false);
TextureGlyphs[glyphIndex] = glyph;
}
// Delete all our texture glyph info.
void GFxTextureGlyphData::WipeTextureGlyphs()
{
//GASSERT(TextureGlyphs.GetSize() == Glyphs.GetSize());
// Replace with default (empty) glyph info.
GFxTextureGlyph defaultTg;
for (UPInt i = 0, n = TextureGlyphs.GetSize(); i < n; i++)
TextureGlyphs[i] = defaultTg;
}
void GFxTextureGlyphData::VisitTextureGlyphs(TextureGlyphVisitor* pvisitor)
{
GASSERT(pvisitor);
for(UPInt i = 0, n = TextureGlyphs.GetSize(); i < n; ++i)
pvisitor->Visit((UInt)i, &TextureGlyphs[i]);
}
Float GFxTextureGlyphData::GetTextureGlyphScale() const
{
return GFxFontPackParams::GlyphBoundBox / PackTextureConfig.NominalSize;
}
void GFxTextureGlyphData::AddTexture(GFxResourceId textureId, GFxImageResource* pimageRes)
{
GFxResourcePtr<GFxImageResource> pres = pimageRes;
GlyphsTextures.Set(textureId, pres);
}
void GFxTextureGlyphData::AddTexture(GFxResourceId textureId, const GFxResourceHandle &rh)
{
GFxResourcePtr<GFxImageResource> pres;
pres.SetFromHandle(rh);
GlyphsTextures.Set(textureId, pres);
}
void GFxTextureGlyphData::VisitTextures(TexturesVisitor* pvisitor, GFxResourceBinding* pbinding)
{
GASSERT(pvisitor);
ImageResourceHash::ConstIterator iter = GlyphsTextures.Begin();
for (; iter != GlyphsTextures.End(); ++iter)
{
GFxResource* pres = (*pbinding) [iter->Second];
GASSERT(pres->GetResourceType() == GFxResource::RT_Image);
pvisitor->Visit(iter->First, (GFxImageResource*) pres);
}
}
// ***** GFxFontData
GFxFontData::GFxFontData()
: GFxFont(), Name(NULL)
{
}
GFxFontData::GFxFontData(const char* name, UInt fontFlags)
: GFxFont(fontFlags), Name(NULL)
{
Name = (char*)GALLOC(G_strlen(name) + 1, GFxStatMD_Fonts_Mem);
if (Name)
G_strcpy(Name, G_strlen(name) + 1, name);
SetHasLayout(1);
}
GFxFontData::~GFxFontData()
{
Glyphs.Resize(0);
// Delete the name string.
if (Name)
{
GFREE(Name);
Name = NULL;
}
}
void GFxFontData::Read(GFxLoadProcess* p, const GFxTagInfo& tagInfo)
{
GASSERT(tagInfo.TagType == GFxTag_DefineFont ||
tagInfo.TagType == GFxTag_DefineFont2 ||
tagInfo.TagType == GFxTag_DefineFont3);
GFxStream * pin = p->GetStream();
bool isLoadingFontShapes = p->IsLoadingFontShapes();
GMemoryHeap* pheap = p->GetLoadHeap();
// No AddRef() here, to avoid cycle.
// OwningMovie is our owner, so it has a ref to us.
//OwningMovie = p->GetDataDef();
if (tagInfo.TagType == GFxTag_DefineFont)
{
pin->LogParse("reading DefineFont\n");
int tableBase = pin->Tell();
// Read the glyph offsets. Offsets
// are measured from the start of the
// offset table.
GArray<int> offsets;
offsets.PushBack(pin->ReadU16());
pin->LogParse("offset[0] = %d\n", offsets[0]);
int count = offsets[0] >> 1;
for (int i = 1; i < count; i++)
{
UInt16 off = pin->ReadU16();
if (off == 0)
{
// special case for tag with stripped font shapes
isLoadingFontShapes = false;
break;
}
offsets.PushBack(off);
pin->LogParse("offset[%d] = %d\n", i, offsets[i]);
}
Glyphs.Resize(count);
// TextureGlyphs.Resize(Glyphs.GetSize());
if (isLoadingFontShapes)
{
// Read the glyph shapes.
for (int i = 0; i < count; i++)
{
// Seek to the start of the shape data.
int newPos = tableBase + offsets[i];
pin->SetPosition(newPos);
SPInt shapeDataLen;
if (i + 1 < count)
shapeDataLen = offsets[i + 1] - offsets[i];
else
shapeDataLen = tagInfo.TagDataOffset + tagInfo.TagLength - newPos;
// Create & read the shape.
GPtr<GFxConstShapeNoStyles> s = *GHEAP_NEW(pheap) GFxConstShapeNoStyles;
s->Read(p, GFxTag_DefineShape, (UInt)shapeDataLen, false);
Glyphs[i] = s;
}
}
else
SetGlyphShapesStripped();
}
else if ((tagInfo.TagType == GFxTag_DefineFont2) || (tagInfo.TagType == GFxTag_DefineFont3))
{
if (tagInfo.TagType == GFxTag_DefineFont2)
pin->LogParse("reading DefineFont2: ");
else
pin->LogParse("reading DefineFont3: ");
bool hasLayout = (pin->ReadUInt(1) != 0);
SetHasLayout(hasLayout);
bool shiftJisFlag = (pin->ReadUInt(1) != 0);
bool pixelAlignedChars = (pin->ReadUInt(1) != 0);
bool ansiFlag = (pin->ReadUInt(1) != 0);
if (shiftJisFlag) SetCodePage(FF_CodePage_ShiftJis);
else if (ansiFlag) SetCodePage(FF_CodePage_Ansi);
else SetCodePage(FF_CodePage_Unicode);
SetPixelAligned(pixelAlignedChars);
bool wideOffsets = (pin->ReadUInt(1) != 0);
SetWideCodes(pin->ReadUInt(1) != 0);
SetItalic(pin->ReadUInt(1) != 0);
SetBold(pin->ReadUInt(1) != 0);
UByte langCode = pin->ReadU8(); // Language code
// Inhibit warning.
(void)langCode; // RAGE
Name = pin->ReadStringWithLength(p->GetLoadHeap());
int glyphCount = pin->ReadU16();
if (pin->IsVerboseParse())
{
pin->LogParse(" Name = %s, %d glyphs\n", Name ? Name : "(none)", glyphCount);
const char* pcodePage = "Unicode";
if (GetCodePage() == FF_CodePage_ShiftJis)
pcodePage = "ShiftJIS";
else if (GetCodePage() == FF_CodePage_Ansi)
pcodePage = "ANSI";
pin->LogParse(" HasLayout = %d, CodePage = %s, Italic = %d, Bold = %d\n",
(int)hasLayout, pcodePage, IsItalic(), IsBold());
pin->LogParse(" LangCode = %d\n", langCode);
}
int tableBase = pin->Tell();
// Read the glyph offsets. Offsets
// are measured from the start of the
// offset table.
GArray<int> offsets;
int fontCodeOffset;
int offsetsCount = glyphCount;
if (glyphCount > 0)
{
// check for the first offset. If it is 0 then shapes
// were stripped from the tag.
UInt off0 = (wideOffsets) ? (UInt)pin->ReadU32() : (UInt)pin->ReadU16();
if (off0 == 0)
{
// special case for tags with stripped font shapes
isLoadingFontShapes = false;
offsetsCount = 0;
}
else
offsets.PushBack(off0);
}
if (wideOffsets)
{
// 32-bit offsets.
for (int i = 1; i < offsetsCount; i++)
{
offsets.PushBack(pin->ReadU32());
}
fontCodeOffset = pin->ReadU32();
}
else
{
// 16-bit offsets.
for (int i = 1; i < offsetsCount; i++)
{
offsets.PushBack(pin->ReadU16());
}
fontCodeOffset = pin->ReadU16();
}
Glyphs.Resize(glyphCount);
// TextureGlyphs.Resize(Glyphs.GetSize());
if (isLoadingFontShapes)
{
GFxTagType fontGlyphShapeTag = (tagInfo.TagType == GFxTag_DefineFont2) ?
GFxTag_DefineShape2 : tagInfo.TagType;
if (hasLayout)
{
AdvanceTable.Resize(glyphCount);
}
// Read the glyph shapes.
for (int i = 0; i < glyphCount; i++)
{
// Seek to the start of the shape data.
int newPos = tableBase + offsets[i];
// if we're seeking backwards, then that looks like a bug.
GASSERT(newPos >= pin->Tell());
pin->SetPosition(newPos);
SPInt shapeDataLen;
if (i + 1 < glyphCount)
shapeDataLen = offsets[i + 1] - offsets[i];
else
shapeDataLen = fontCodeOffset - offsets[i];
GASSERT(shapeDataLen >= 0);
// Create & read the shape.
GPtr<GFxConstShapeNoStyles> s = *GHEAP_NEW(pheap) GFxConstShapeNoStyles;
s->Read(p, fontGlyphShapeTag, (UInt)shapeDataLen, false);
Glyphs[i] = s;
if (hasLayout)
{
GRectF bounds;
s->ComputeBound(&bounds);
AdvanceEntry& ge = AdvanceTable[i];
if (bounds.IsNormal())
{
Float left = bounds.Left;
Float top = bounds.Top;
Float w = bounds.Width();
Float h = bounds.Height();
/*
GASSERT(left >= -32768./20 && left < 32767./20 &&
top >= -32768./20 && top < 32767./20 &&
w < 65535./20 && h < 65535./20);
*/
ge.Left = (SInt16)(left * 20.f);
ge.Top = (SInt16)(top * 20.f);
ge.Width = (UInt16)(w * 20.f);
ge.Height = (UInt16)(h * 20.f);
}
else
{
ge.Left = ge.Top = 0;
ge.Width = ge.Height = 0;
}
}
//@DBG
//GRectF bounds;
//s->ComputeBound(&bounds);
//if (bounds.IsNormal())
//{
// pin->LogParse(" chidx = %d, bounds = (%f, %f, {%f, %f}\n",
// (int)i, bounds.Left, bounds.Top, bounds.Width(), bounds.Height());
//}
}
int currentPosition = pin->Tell();
if (fontCodeOffset + tableBase != currentPosition)
{
// Bad offset! Don't try to read any more.
return;
}
}
else
{
// Skip the shape data.
int newPos = tableBase + fontCodeOffset;
if (newPos >= pin->GetTagEndPosition())
{
// No layout data!
return;
}
pin->SetPosition(newPos);
SetGlyphShapesStripped();
}
ReadCodeTable(pin);
// Read layout info for the glyphs.
if (hasLayout)
{
// Multiplier used for scaling.
// In SWF 8, font shape constant resolution (tag 75) was increased by 20.
Float sfactor = (tagInfo.TagType == GFxTag_DefineFont3) ? 1.0f / 20.0f : 1.0f;
Ascent = (Float) pin->ReadS16() * sfactor;
Descent = (Float) pin->ReadS16() * sfactor;
Leading = (Float) pin->ReadS16() * sfactor;
if (pin->IsVerboseParse())
{
pin->LogParse(" Ascent = %d, Descent = %d, Leading = %d\n",
(int)Ascent, (int)Descent, (int)Leading);
}
// Advance table; i.E. how wide each character is.
if (AdvanceTable.GetSize() != Glyphs.GetSize())
AdvanceTable.Resize(Glyphs.GetSize());
for (UPInt i = 0, n = AdvanceTable.GetSize(); i < n; i++)
{
AdvanceEntry& ge = AdvanceTable[i];
ge.Advance = (Float) pin->ReadU16() * sfactor;
}
// Bounds table.
//BoundsTable.Resize(Glyphs.GetSize()); // kill
GRectF dummyRect;
{for (UPInt i = 0, n = Glyphs.GetSize(); i < n; i++)
{
//BoundsTable[i].Read(pin); // kill
pin->ReadRect(&dummyRect);
}}
// Kerning pairs.
int kerningCount = pin->ReadU16();
if (pin->IsVerboseParse())
{
pin->LogParse(" KerningCount = %d\n", (int)kerningCount);
}
{for (int i = 0; i < kerningCount; i++)
{
int off = pin->Tell();
if (off >= tagInfo.TagDataOffset + tagInfo.TagLength)
{
pin->LogError("Error: Corrupted file %s, kerning table of the font '%s' is longer than tagLength.\n",
pin->GetFileName().ToCStr(), (Name) ? Name : "<noname>");
break;
}
UInt16 char0, char1;
if (AreWideCodes())
{
char0 = pin->ReadU16();
char1 = pin->ReadU16();
}
else
{
char0 = pin->ReadU8();
char1 = pin->ReadU8();
}
Float adjustment = (Float) pin->ReadS16() * sfactor;
KerningPair k;
k.Char0 = char0;
k.Char1 = char1;
if (pin->IsVerboseParse())
pin->LogParse(" Pair: %d - %d,\tadj = %d\n", (int)char0, (int)char1, (int)adjustment);
// Remember this adjustment; we can look it up quickly
// later using the character pair as the key.
KerningPairs.Add(k, adjustment);
}}
}
}
}
// Read additional information about this GFxFontData, from a
// DefineFontInfo tag. The caller has already read the tag
// type and GFxFontData id.
void GFxFontData::ReadFontInfo(GFxStream* in, GFxTagType tagType)
{
if (Name)
{
GFREE(Name);
Name = NULL;
}
Name = in->ReadStringWithLength(in->GetHeap());
UByte flags = in->ReadU8();
UByte langCode = 0;
if (tagType == GFxTag_DefineFontInfo2)
{
langCode = in->ReadU8(); // Language code
(void)langCode; // suppress warning // RAGE
}
bool pixelAlignedChars = ((flags & 0x20) != 0);
bool shiftJisFlag = ((flags & 0x10) != 0);
bool ansiFlag = ((flags & 0x08) != 0);
if (shiftJisFlag) SetCodePage(FF_CodePage_ShiftJis);
else if (ansiFlag) SetCodePage(FF_CodePage_Ansi);
else SetCodePage(FF_CodePage_Unicode);
GUNUSED(pixelAlignedChars);
SetItalic ((flags & 0x04) != 0);
SetBold ((flags & 0x02) != 0);
SetWideCodes ((flags & 0x01) != 0);
if (in->IsVerboseParse())
{
if (tagType == GFxTag_DefineFontInfo)
in->LogParse("reading DefineFontInfo\n");
else
in->LogParse("reading DefineFontInfo2\n");
in->LogParse(" Name = %s\n", Name ? Name : "(none)");
const char* pcodePage = "Unicode";
if (GetCodePage() == FF_CodePage_ShiftJis)
pcodePage = "ShiftJIS";
else if (GetCodePage() == FF_CodePage_Ansi)
pcodePage = "ANSI";
in->LogParse(" CodePage = %s, Italic = %d, Bold = %d\n",
pcodePage, IsItalic(), IsBold());
if (tagType == GFxTag_DefineFontInfo2)
in->LogParse(" LangCode = %d\n", langCode);
}
ReadCodeTable(in);
}
// Read the table that maps from glyph indices to character codes.
void GFxFontData::ReadCodeTable(GFxStream* in)
{
in->LogParse("reading code table at offset %d\n", in->Tell());
GASSERT(CodeTable.IsEmpty());
if (AreWideCodes())
{
// Code table is made of UInt16's.
for (UPInt i = 0, n = Glyphs.GetSize(); i < n; i++)
CodeTable.Add(in->ReadU16(), (UInt16)i);
}
else
{
// Code table is made of bytes.
for (UPInt i = 0, n = Glyphs.GetSize(); i < n; i++)
CodeTable.Add(in->ReadU8(), (UInt16)i);
}
}
int GFxFontData::GetGlyphIndex(UInt16 code) const
{
UInt16 glyphIndex;
if (CodeTable.Get(code, &glyphIndex))
{
return glyphIndex;
}
return -1;
}
int GFxFontData::GetCharValue(UInt glyphIndex) const
{
for (GHashIdentityLH<UInt16, UInt16>::ConstIterator iter = CodeTable.Begin();
iter != CodeTable.End(); ++iter)
{
if (iter->Second == glyphIndex)
return iter->First;
}
return -1;
}
GFxShapeBase* GFxFontData::GetGlyphShape(UInt index, UInt)
{
if (index < Glyphs.GetSize())
{
GFxShapeBase* s = Glyphs[index].GetPtr();
if (s)
s->AddRef();
return s;
}
else
{
return NULL;
}
}
Float GFxFontData::GetAdvance(UInt GlyphIndex) const
{
// how could this be if GlyphIndex is unsigned?
if (GlyphIndex == (UInt)-1)
return GetDefaultGlyphWidth();
if (AdvanceTable.GetSize() == 0)
{
// No layout info for this GFxFontData!!!
static bool Logged = false;
if (Logged == false)
{
Logged = true;
GFC_DEBUG_ERROR1(1, "Empty advance table in font %s", GetName());
}
// MA: It is better to return default advance, make char substitution show up better
return GetDefaultGlyphWidth();
}
if (GlyphIndex < AdvanceTable.GetSize())
{
GASSERT(GlyphIndex != (UInt)-1 );
return AdvanceTable[GlyphIndex].Advance;
}
else
{
// Bad glyph index. Due to bad data file?
GASSERT(0);
return 0;
}
}
Float GFxFontData::GetGlyphWidth(UInt glyphIndex) const
{
if (glyphIndex == (UInt)-1)
return GetDefaultGlyphWidth();
if (glyphIndex < AdvanceTable.GetSize())
{
GASSERT(glyphIndex != (UInt)-1 );
Float w = Float(AdvanceTable[glyphIndex].Width)/20.f;
if (w != 0)
return w;
}
return GetAdvance(glyphIndex);
}
Float GFxFontData::GetGlyphHeight(UInt glyphIndex) const
{
// How could this be if GlyphIndex is unsigned?
if (glyphIndex == (UInt)-1 || AdvanceTable.GetSize() == 0)
return GetDefaultGlyphHeight();
if (glyphIndex < AdvanceTable.GetSize())
{
GASSERT(glyphIndex != (UInt)-1 );
return Float(AdvanceTable[glyphIndex].Height)/20.f;
}
else
{
// Bad glyph index. Due to bad data file?
// This is possible, if font doesn't have layout (for static text).
// But AdvanceTable should be empty in this case.
GASSERT(AdvanceTable.GetSize() == 0);
return 0;
}
}
GRectF& GFxFontData::GetGlyphBounds(UInt glyphIndex, GRectF* prect) const
{
if (glyphIndex == (UInt)-1)
{
prect->Left = prect->Top = 0;
prect->SetWidth(GetGlyphWidth(glyphIndex));
prect->SetHeight(GetGlyphHeight(glyphIndex));
}
else if (glyphIndex < AdvanceTable.GetSize())
{
GASSERT(glyphIndex != (UInt)-1 );
const AdvanceEntry& e = AdvanceTable[glyphIndex];
Float w = Float(e.Width)/20.f;
if (w == 0)
w = e.Advance;
Float h = Float(e.Height)/20.f;
prect->Left = Float(e.Left)/20.f;
prect->Top = Float(e.Top)/20.f;
prect->SetWidth(w);
prect->SetHeight(h);
}
else
{
// Bad glyph index. Due to bad data file?
// This is possible, if font doesn't have layout (for static text).
// But AdvanceTable should be empty in this case.
//GASSERT(AdvanceTable.GetSize() == 0);
GFC_DEBUG_ERROR3((AdvanceTable.GetSize() != 0),
"Glyph index %d exceeds advance table (size = %d), font = %s",
glyphIndex, (int)AdvanceTable.GetSize(), GetName());
prect->Left = prect->Top = 0;
prect->SetWidth(0);
prect->SetHeight(0);
// so try to calculate the bounds
if (glyphIndex < Glyphs.GetSize())
{
GFxShapeBase* s = Glyphs[glyphIndex];
if (s)
{
GRectF bounds;
s->ComputeBound(&bounds);
if (bounds.IsNormal())
{
Float left = bounds.Left;
Float top = bounds.Top;
Float w = bounds.Width();
Float h = bounds.Height();
prect->Left = left;
prect->Top = top;
prect->SetWidth(w);
prect->SetHeight(h);
}
}
}
}
return *prect;
}
// Return the adjustment in advance between the given two
// characters. Normally this will be 0; i.E. the
Float GFxFontData::GetKerningAdjustment(UInt LastCode, UInt code) const
{
Float adjustment;
KerningPair k;
k.Char0 = (UInt16)LastCode;
k.Char1 = (UInt16)code;
if (KerningPairs.Get(k, &adjustment))
{
return adjustment;
}
return 0;
}
namespace {
struct Range { UInt16 start,end; };
struct RangeLess { bool operator()(const Range& r1, const Range& r2) { return r1.start < r2.start; } };
}
static GString BuildStringFromRanges(const GArray<Range>& ranges)
{
GString ret;
char buff[512];
int countPrinted = 0;
bool lastPrinted = true;
UInt16 start = 0;
UPInt i = 0;
for(; i < ranges.GetSize(); ++i)
{
if (i == 0)
{
start = ranges[i].start;
lastPrinted = false;
}
else
{
if (ranges[i].start > ranges[i-1].end + 1)
{
if (start == ranges[i-1].end)
G_Format(GStringDataPtr(buff, sizeof(buff)), "0x{0:x}", start);
else
G_Format(GStringDataPtr(buff, sizeof(buff)), "0x{0:x}-0x{1:x}", start, ranges[i-1].end);
lastPrinted = true;
if (countPrinted)
ret += ", ";
ret += buff;
countPrinted++;
if (countPrinted > 4)
break;
start = ranges[i].start;
lastPrinted = false;
}
}
}
if (!lastPrinted)
{
G_Format(GStringDataPtr(buff, sizeof(buff)), "0x{0:x}-0x{1:x}", start, ranges[ranges.GetSize()-1].end);
if (countPrinted)
ret += ", ";
ret += buff;
}
if ( i < ranges.GetSize() )
ret += " (truncated)";
return ret;
}
GString GFxFontData::GetCharRanges() const
{
GArray<Range> ranges;
GHashIdentityLH<UInt16, UInt16>::ConstIterator it = CodeTable.Begin();
UInt16 rangeStart = 0, prevValue = 0;
bool rangeStarted = false;
while( it != CodeTable.End() )
{
if (!rangeStarted)
{
rangeStart = it->First;
rangeStarted = true;
}
else
{
if (prevValue != it->First-1)
{
Range range;
range.start = rangeStart;
range.end = prevValue;
ranges.PushBack(range);
rangeStarted = false;
continue;
}
}
prevValue = it->First;
++it;
}
if (rangeStarted)
{
Range range;
range.start = rangeStart;
range.end = prevValue;
ranges.PushBack(range);
}
G_QuickSort(ranges, RangeLess());
return BuildStringFromRanges(ranges);
}
//
struct Normalizer
{
enum { FontHeight = 1024, ShapePageSize = 256-2 - 8-4 };
Normalizer(UInt nominalSize) : NominalSize(nominalSize) {}
template<typename T>
inline T norm(T v) const { return v * FontHeight / T(NominalSize); }
template<typename T>
inline T denorm(T v) const { return v * T(NominalSize) / FontHeight; }
UInt NominalSize;
};
#if !defined(GFC_NO_COMPACTED_FONT_SUPPORT) || !defined(GFC_NO_FONTCOMPACTOR_SUPPORT)
template<class FontType>
static inline GFxShapeBase* GetGlyphShape(const FontType& font, UInt glyphIndex)
{
typedef typename FontType::ContainerType ContainerType;
typedef typename FontType::CompactedFontType CompactedFontType;
if (glyphIndex >= font.GetCompactedFont().GetNumGlyphs())
return NULL;
typename CompactedFontType::GlyphPathIteratorType glyph(font.GetContainer());
font.GetCompactedFont().GetGlyphShape(glyphIndex, &glyph);
Normalizer n(font.GetCompactedFont().GetNominalSize());
GFxShapeNoStyles* pshape = GHEAP_AUTO_NEW(&font) GFxShapeNoStyles(Normalizer::ShapePageSize);
GFxPathPacker path;
bool shapeValid = false;
while(!glyph.IsFinished())
{
path.Reset();
path.SetFill0(1);
path.SetFill1(0);
path.SetMoveTo(n.norm(glyph.GetMoveX()), n.norm(glyph.GetMoveY()));
SInt edge[5];
while(!glyph.IsPathFinished())
{
glyph.ReadEdge(edge);
if (edge[0] == CompactedFontType::PathDataDecoderType::Edge_Line)
path.LineToAbs(n.norm(edge[1]), n.norm(edge[2]));
else
path.CurveToAbs(n.norm(edge[1]), n.norm(edge[2]), n.norm(edge[3]), n.norm(edge[4]));
}
if(!path.IsEmpty())
{
path.ClosePath();
pshape->AddPath(&path);
shapeValid = true;
}
glyph.AdvancePath();
}
if (!shapeValid)
{
delete pshape;
pshape = NULL;
}
return pshape;
}
template <class FontType>
static inline GRectF& GetGlyphBounds(const FontType& font, UInt glyphIndex, GRectF* prect)
{
if (glyphIndex == (UInt)-1)
{
prect->Left = prect->Top = 0;
prect->SetRect(GFxFont::GetDefaultGlyphWidth(), GFxFont::GetDefaultGlyphHeight());
}
else if (glyphIndex < font.GetCompactedFont().GetNumGlyphs())
{
font.GetCompactedFont().GetGlyphBounds(glyphIndex,prect);
}
else
{
prect->Left = prect->Top = 0;
prect->SetRect(GFxFont::GetDefaultGlyphWidth(), GFxFont::GetDefaultGlyphHeight());
//return *prect;
//GASSERT(0);
}
Normalizer n(font.GetCompactedFont().GetNominalSize());
prect->Left = n.norm(prect->Left);
prect->Top = n.norm(prect->Top);
prect->Right = n.norm(prect->Right);
prect->Bottom = n.norm(prect->Bottom);
return *prect;
}
template<class FontType>
static GString GetCharRanges(const FontType& font)
{
GArray<Range> ranges;
UInt16 rangeStart = 0, prevValue = 0;
bool rangeStarted = false;
for(UInt i = 0; i < font.GetGlyphShapeCount();)
{
if (!rangeStarted)
{
rangeStart = (UInt16)font.GetCompactedFont().GetGlyphCode(i);
rangeStarted = true;
}
else
{
if (prevValue != (UInt16)font.GetCompactedFont().GetGlyphCode(i)-1)
{
Range range;
range.start = rangeStart;
range.end = prevValue;
ranges.PushBack(range);
rangeStarted = false;
continue;
}
}
prevValue = (UInt16)font.GetCompactedFont().GetGlyphCode(i);
++i;
}
if (rangeStarted)
{
Range range;
range.start = rangeStart;
range.end = prevValue;
ranges.PushBack(range);
}
G_QuickSort(ranges, RangeLess());
return BuildStringFromRanges(ranges);
}
#endif
#ifndef GFC_NO_FONTCOMPACTOR_SUPPORT
// ***** GFxFontDataCompactedSwf
GFxFontDataCompactedSwf::GFxFontDataCompactedSwf()
: Container(),CompactedFont(Container),NumGlyphs(0)
{
}
GFxFontDataCompactedSwf::~GFxFontDataCompactedSwf()
{
}
// *** GFX/SWF Loading methods.
void GFxFontDataCompactedSwf::Read(GFxLoadProcess* p, const GFxTagInfo& tagInfo)
{
GASSERT(tagInfo.TagType == GFxTag_DefineFont2 ||
tagInfo.TagType == GFxTag_DefineFont3);
GFxStream * pin = p->GetStream();
bool isLoadingFontShapes = p->IsLoadingFontShapes();
// No AddRef() here, to avoid cycle.
// OwningMovie is our owner, so it has a ref to us.
//OwningMovie = p->GetDataDef();
if ((tagInfo.TagType == GFxTag_DefineFont2) || (tagInfo.TagType == GFxTag_DefineFont3))
{
GASSERT(p->GetLoadStates()->GetFontCompactorParams());
UInt nominalSize = p->GetLoadStates()->GetFontCompactorParams()->GetNominalSize();
bool mergeContours = p->GetLoadStates()->GetFontCompactorParams()->NeedMergeContours();
GFxFontCompactor compactor(Container);
if (tagInfo.TagType == GFxTag_DefineFont2)
pin->LogParse("reading DefineFont2: ");
else
pin->LogParse("reading DefineFont3: ");
bool hasLayout = (pin->ReadUInt(1) != 0);
SetHasLayout(hasLayout);
bool shiftJisFlag = (pin->ReadUInt(1) != 0);
bool pixelAlignedChars = (pin->ReadUInt(1) != 0);
bool ansiFlag = (pin->ReadUInt(1) != 0);
if (shiftJisFlag) SetCodePage(FF_CodePage_ShiftJis);
else if (ansiFlag) SetCodePage(FF_CodePage_Ansi);
else SetCodePage(FF_CodePage_Unicode);
GUNUSED(pixelAlignedChars);
bool wideOffsets = (pin->ReadUInt(1) != 0);
SetWideCodes(pin->ReadUInt(1) != 0);
SetItalic(pin->ReadUInt(1) != 0);
SetBold(pin->ReadUInt(1) != 0);
UByte langCode = pin->ReadU8(); // Language code
// Inhibit warning.
(void)langCode; // RAGE
GString name;
pin->ReadStringWithLength(&name);
NumGlyphs = pin->ReadU16();
if (pin->IsVerboseParse())
{
pin->LogParse(" Name = %s, %d glyphs\n", name.ToCStr() ? name.ToCStr() : "(none)", NumGlyphs);
const char* pcodePage = "Unicode";
if (GetCodePage() == FF_CodePage_ShiftJis)
pcodePage = "ShiftJIS";
else if (GetCodePage() == FF_CodePage_Ansi)
pcodePage = "ANSI";
pin->LogParse(" HasLayout = %d, CodePage = %s, Italic = %d, Bold = %d\n",
(int)hasLayout, pcodePage, IsItalic(), IsBold());
pin->LogParse(" LangCode = %d\n", langCode);
}
int tableBase = pin->Tell();
// Read the glyph offsets. Offsets
// are measured from the start of the
// offset table.
GArray<int> offsets;
int fontCodeOffset;
int offsetsCount = NumGlyphs;
if (NumGlyphs > 0)
{
// check for the first offset. If it is 0 then shapes
// were stripped from the tag.
UInt off0 = (wideOffsets) ? (UInt)pin->ReadU32() : (UInt)pin->ReadU16();
if (off0 == 0)
{
// special case for tags with stripped font shapes
isLoadingFontShapes = false;
offsetsCount = 0;
}
else
offsets.PushBack(off0);
}
if (wideOffsets)
{
// 32-bit offsets.
for (int i = 1; i < offsetsCount; i++)
{
offsets.PushBack(pin->ReadU32());
}
fontCodeOffset = pin->ReadU32();
}
else
{
// 16-bit offsets.
for (int i = 1; i < offsetsCount; i++)
{
offsets.PushBack(pin->ReadU16());
}
fontCodeOffset = pin->ReadU16();
}
compactor.StartFont(name.ToCStr(),Flags,nominalSize,0,0,0);
Normalizer n(nominalSize);
// TextureGlyphs.Resize(Glyphs.GetSize());
//Glyphs.Resize(glyphCount);
//pPath = new GFxPathAllocator;
if (isLoadingFontShapes)
{
GFxTagType fontGlyphShapeTag = (tagInfo.TagType == GFxTag_DefineFont2) ?
GFxTag_DefineShape2 : tagInfo.TagType;
// Allocate GFxPathAllocator so that it properly uses 'this' heap.
GFxPathAllocator* ppathAllocator = GHEAP_AUTO_NEW(this) GFxPathAllocator;
// Read the glyph shapes.
for (UInt i = 0; i < NumGlyphs; i++)
{
// Seek to the start of the shape data.
int newPos = tableBase + offsets[i];
// if we're seeking backwards, then that looks like a bug.
GASSERT(newPos >= pin->Tell());
pin->SetPosition(newPos);
SPInt shapeDataLen;
if (i + 1 < NumGlyphs)
shapeDataLen = offsets[i + 1] - offsets[i];
else
shapeDataLen = fontCodeOffset - offsets[i];
GASSERT(shapeDataLen >= 0);
// Create & read the shape.
compactor.StartGlyph();
GFxConstShapeNoStyles s;
s.Read(p, fontGlyphShapeTag, (UInt)shapeDataLen, false, ppathAllocator);
//GPtr<GFxConstShapeNoStyles> s = *new GFxConstShapeNoStyles;
//s->Read(p, fontGlyphShapeTag, (UInt)shapeDataLen, false, pPath);
//Glyphs[i] = s;
GFxSwfPathData::PathsIterator pit = s.GetNativePathsIterator();
while(!pit.IsFinished())
{
if (pit.IsNewShape())
{
pit.Skip();
continue;
}
GFxSwfPathData::EdgesIterator eit = pit.GetEdgesIterator();
Float mx[2];
eit.GetMoveXY(&mx[0], &mx[1]);
compactor.MoveTo((SInt16)n.denorm(mx[0]),(SInt16)n.denorm(mx[1]));
while (!eit.IsFinished())
{
GFxSwfPathData::EdgesIterator::Edge edge;
eit.GetEdge(&edge);
if (edge.Curve)
compactor.QuadTo((SInt16)n.denorm(edge.Cx),(SInt16)n.denorm(edge.Cy),
(SInt16)n.denorm(edge.Ax),(SInt16)n.denorm(edge.Ay));
else
compactor.LineTo((SInt16)n.denorm(edge.Ax),(SInt16)n.denorm(edge.Ay));
}
pit.AdvanceBy(eit);
}
compactor.EndGlyph(mergeContours);
ppathAllocator->Clear();
}
delete ppathAllocator;
int currentPosition = pin->Tell();
if (fontCodeOffset + tableBase != currentPosition)
{
// Bad offset! Don't try to read any more.
return;
}
}
else
{
// Skip the shape data.
int newPos = tableBase + fontCodeOffset;
if (newPos >= pin->GetTagEndPosition())
{
// No layout data!
return;
}
pin->SetPosition(newPos);
SetGlyphShapesStripped();
}
pin->LogParse("reading code table at offset %d\n", pin->Tell());
if (AreWideCodes())
{
// Code table is made of UInt16's.
for (UPInt i = 0, n = NumGlyphs; i < n; i++)
compactor.AssignGlyphCode((UInt)i, pin->ReadU16());
}
else
{
// Code table is made of bytes.
for (UPInt i = 0, n = NumGlyphs; i < n; i++)
compactor.AssignGlyphCode((UInt)i, pin->ReadU8());
}
// Read layout info for the glyphs.
if (hasLayout)
{
// Multiplier used for scaling.
// In SWF 8, font shape constant resolution (tag 75) was increased by 20.
Float sfactor = (tagInfo.TagType == GFxTag_DefineFont3) ? 1.0f / 20.0f : 1.0f;
Ascent = (Float) pin->ReadS16() * sfactor;
Descent = (Float) pin->ReadS16() * sfactor;
Leading = (Float) pin->ReadS16() * sfactor;
compactor.UpdateMetrics(n.denorm((SInt)Ascent),n.denorm((SInt)Descent),n.denorm((SInt)Leading));
if (pin->IsVerboseParse())
{
pin->LogParse(" Ascent = %d, Descent = %d, Leading = %d\n",
(int)Ascent, (int)Descent, (int)Leading);
}
for (UPInt i = 0, k = NumGlyphs; i < k; i++)
compactor.AssignGlyphAdvance((UInt)i,n.denorm((SInt)(pin->ReadU16() * sfactor)));
// Bounds table.
//BoundsTable.Resize(Glyphs.GetSize()); // kill
GRectF dummyRect;
{for (UPInt i = 0, k = NumGlyphs; i < k; i++)
{
//BoundsTable[i].Read(pin); // kill
pin->ReadRect(&dummyRect);
}}
// Kerning pairs.
int kerningCount = pin->ReadU16();
if (pin->IsVerboseParse())
{
pin->LogParse(" KerningCount = %d\n", (int)kerningCount);
}
{for (int i = 0; i < kerningCount; i++)
{
UInt16 char0, char1;
if (AreWideCodes())
{
char0 = pin->ReadU16();
char1 = pin->ReadU16();
}
else
{
char0 = pin->ReadU8();
char1 = pin->ReadU8();
}
Float adjustment = (Float) pin->ReadS16() * sfactor;
if (pin->IsVerboseParse())
pin->LogParse(" Pair: %d - %d,\tadj = %d\n", (int)char0, (int)char1, (int)adjustment);
compactor.AddKerningPair(char0, char1, n.denorm((SInt)adjustment));
}}
}
compactor.EndFont();
CompactedFont.AcquireFont(0);
}
}
int GFxFontDataCompactedSwf::GetGlyphIndex(UInt16 code) const
{
return CompactedFont.GetGlyphIndex(code);
}
int GFxFontDataCompactedSwf::GetCharValue(UInt glyphIndex) const
{
if (glyphIndex < CompactedFont.GetNumGlyphs())
return CompactedFont.GetGlyphCode(glyphIndex);
return -1;
}
GFxShapeBase* GFxFontDataCompactedSwf::GetGlyphShape(UInt glyphIndex, UInt)
{
return ::GetGlyphShape(*this, glyphIndex);
}
Float GFxFontDataCompactedSwf::GetAdvance(UInt glyphIndex) const
{
if (glyphIndex == (UInt)-1 || glyphIndex >= CompactedFont.GetNumGlyphs())
return GetDefaultGlyphWidth();
Normalizer n(CompactedFont.GetNominalSize());
return n.norm(CompactedFont.GetAdvance(glyphIndex));
}
Float GFxFontDataCompactedSwf::GetKerningAdjustment(UInt lastCode, UInt thisCode) const
{
Normalizer n(CompactedFont.GetNominalSize());
return n.norm(CompactedFont.GetKerningAdjustment(lastCode,thisCode));
}
UInt GFxFontDataCompactedSwf::GetGlyphShapeCount() const
{
return NumGlyphs;//CompactedFont.GetNumGlyphs();
}
Float GFxFontDataCompactedSwf::GetGlyphWidth(UInt glyphIndex) const
{
if (glyphIndex == (UInt)-1 || glyphIndex >= CompactedFont.GetNumGlyphs())
return GetDefaultGlyphWidth();
Normalizer n(CompactedFont.GetNominalSize());
return n.norm(CompactedFont.GetGlyphWidth(glyphIndex));
}
Float GFxFontDataCompactedSwf::GetGlyphHeight(UInt glyphIndex) const
{
if (glyphIndex == (UInt)-1 || glyphIndex >= CompactedFont.GetNumGlyphs())
return GetDefaultGlyphHeight();
Normalizer n(CompactedFont.GetNominalSize());
return n.norm(CompactedFont.GetGlyphHeight(glyphIndex));
}
GRectF& GFxFontDataCompactedSwf::GetGlyphBounds(UInt glyphIndex, GRectF* prect) const
{
return ::GetGlyphBounds(*this, glyphIndex, prect);
}
// Slyph/State access.
const char* GFxFontDataCompactedSwf::GetName() const
{
return CompactedFont.GetName();
}
GString GFxFontDataCompactedSwf::GetCharRanges() const
{
return ::GetCharRanges(*this);
}
bool GFxFontDataCompactedSwf::HasVectorOrRasterGlyphs() const
{
return NumGlyphs != 0; //CompactedFont.GetNumGlyphs() != 0;
}
#endif //#ifndef GFC_NO_FONTCOMPACTOR_SUPPORT
#ifndef GFC_NO_COMPACTED_FONT_SUPPORT
// *** GFxFontDataCompactedGfx implementation
//
GFxFontDataCompactedGfx::GFxFontDataCompactedGfx()
: CompactedFont(Container)
{
}
GFxFontDataCompactedGfx::~GFxFontDataCompactedGfx()
{
}
// *** GFX/SWF Loading methods.
void GFxFontDataCompactedGfx::Read(GFxLoadProcess* p, const GFxTagInfo& tagInfo)
{
GASSERT(tagInfo.TagType == GFxTag_DefineCompactedFont);
GFxStream * pin = p->GetStream();
//bool isLoadingFontShapes = p->IsLoadingFontShapes();
//UInt16 fontId = pin->ReadU16();
pin->LogParse("reading DefineCompactedFont:\n");
SInt csize = tagInfo.TagLength - 2;
GArrayUnsafePOD<UByte> buf;
buf.Resize(4096);
Container.Reserve(csize);
SInt bytes = 0;
do
{
SInt bytesToRead = G_Min(4096, csize - bytes);
SInt bytesRead = pin->ReadToBuffer(&buf[0], bytesToRead);
bytes += bytesRead;
if (bytesRead > 0)
{
for(SInt i = 0; i < bytesRead; ++i)
Container.PushBack(buf[i]);
}
if (bytesRead != bytesToRead)
{
//GFC_DEBUG_ERROR1(1, "Empty advance table in font %s", GetName());
pin->LogError("Could not read tag DefineCompactedFont. Broken gfx file.\n");
break;
}
}
while(bytes < csize);
CompactedFont.AcquireFont(0);
if (CompactedFont.GetNominalSize() <= 0)
{
pin->LogError("Invalid nominal size for DefineCompactedFont, font %s. Broken gfx file.\n", GetName());
SetFontMetrics(0, 960, 1024-960);
}
else
{
const Float scale = 1024.f/CompactedFont.GetNominalSize();
SetFontMetrics(CompactedFont.GetLeading()*scale, CompactedFont.GetAscent()*scale, CompactedFont.GetDescent()*scale);
pin->LogParse( "read font \"%s\"\n", GetName());
Flags = CompactedFont.GetFontFlags();
}
}
int GFxFontDataCompactedGfx::GetGlyphIndex(UInt16 code) const
{
return CompactedFont.GetGlyphIndex(code);
}
int GFxFontDataCompactedGfx::GetCharValue(UInt glyphIndex) const
{
if (glyphIndex < CompactedFont.GetNumGlyphs())
return CompactedFont.GetGlyphCode(glyphIndex);
return -1;
}
GFxShapeBase* GFxFontDataCompactedGfx::GetGlyphShape(UInt glyphIndex, UInt)
{
return ::GetGlyphShape(*this, glyphIndex);
}
Float GFxFontDataCompactedGfx::GetAdvance(UInt glyphIndex) const
{
if (glyphIndex == (UInt)-1)
return GetDefaultGlyphWidth();
Normalizer n(CompactedFont.GetNominalSize());
return n.norm(CompactedFont.GetAdvance(glyphIndex));
}
Float GFxFontDataCompactedGfx::GetKerningAdjustment(UInt lastCode, UInt thisCode) const
{
Normalizer n(CompactedFont.GetNominalSize());
return n.norm(CompactedFont.GetKerningAdjustment(lastCode,thisCode));
}
UInt GFxFontDataCompactedGfx::GetGlyphShapeCount() const
{
return CompactedFont.GetNumGlyphs();
}
Float GFxFontDataCompactedGfx::GetGlyphWidth(UInt glyphIndex) const
{
if (glyphIndex == (UInt)-1)
return GetDefaultGlyphWidth();
Normalizer n(CompactedFont.GetNominalSize());
return n.norm(CompactedFont.GetGlyphWidth(glyphIndex));
}
Float GFxFontDataCompactedGfx::GetGlyphHeight(UInt glyphIndex) const
{
if (glyphIndex == (UInt)-1)
return GetDefaultGlyphHeight();
Normalizer n(CompactedFont.GetNominalSize());
return n.norm(CompactedFont.GetGlyphHeight(glyphIndex));
}
GRectF& GFxFontDataCompactedGfx::GetGlyphBounds(UInt glyphIndex, GRectF* prect) const
{
return ::GetGlyphBounds(*this, glyphIndex, prect);
}
// Slyph/State access.
const char* GFxFontDataCompactedGfx::GetName() const
{
return CompactedFont.GetName();
}
GString GFxFontDataCompactedGfx::GetCharRanges() const
{
return ::GetCharRanges(*this);
}
bool GFxFontDataCompactedGfx::HasVectorOrRasterGlyphs() const
{
return CompactedFont.GetNumGlyphs() != 0;
}
#endif //#ifndef GFC_NO_COMPACTED_FONT_SUPPORT
// ***** GFxFontResource
GFxFontResource::GFxFontResource(GFxFont *pfont, GFxResourceBinding* pbinding)
: pBinding(pbinding)
{
pFont = pfont;
pTGData = pfont ? pfont->GetTextureGlyphData() : 0;
HandlerArrayFlag= 0;
pHandler = 0;
LowerCaseTop = 0;
UpperCaseTop = 0;
}
GFxFontResource::GFxFontResource(GFxFont *pfont, const GFxResourceKey& key)
: pBinding(0)
{
pFont = pfont;
pTGData = pfont ? pfont->GetTextureGlyphData() : 0;
HandlerArrayFlag= 0;
pHandler = 0;
FontKey = key;
LowerCaseTop = 0;
UpperCaseTop = 0;
}
UInt16 GFxFontResource::calcTopBound(UInt16 code)
{
GRectF bounds;
int idx = pFont->GetGlyphIndex(code);
if (idx != -1)
{
/*
GPtr<GFxShapeBase> shape = *GetGlyphShape(idx, 0);
if (shape)
{
shape->ComputeBound(&bounds);
return UInt16(-bounds.Top);
}
*/
pFont->GetGlyphBounds(idx,&bounds);
return UInt16(-bounds.Top);
}
return 0;
}
void GFxFontResource::calcLowerUpperTop(GFxLog* log)
{
SInt16 lowerCaseTop = 0;
SInt16 upperCaseTop = 0;
if (pFont && LowerCaseTop == 0 && UpperCaseTop == 0)
{
const UByte upperCaseCandidates[] = "HEFTUVWXZ";
const UByte lowerCaseCandidates[] = "zxvwy";
const UByte* p;
for (p = upperCaseCandidates; *p; ++p)
{
upperCaseTop = calcTopBound(*p);
if (upperCaseTop)
break;
}
if (upperCaseTop)
{
for (p = lowerCaseCandidates; *p; ++p)
{
lowerCaseTop = calcTopBound(*p);
if (lowerCaseTop)
break;
}
}
}
if (lowerCaseTop && upperCaseTop)
{
LowerCaseTop = lowerCaseTop;
UpperCaseTop = upperCaseTop;
}
else
{
if (log)
log->LogWarning("Warning: Font '%s%s%s': No hinting chars "
"(any of 'HEFTUVWXZ' and 'zxvwy'). Auto-Hinting is disabled\n",
GetName(),
IsBold() ? " Bold" : "",
IsItalic() ? " Italic" : "");
LowerCaseTop = -1;
UpperCaseTop = -1;
}
}
GFxFontResource::~GFxFontResource()
{
if (HandlerArrayFlag)
{
for (UInt i=0; i<pHandlerArray->GetSize(); i++)
(*pHandlerArray)[i]->OnDispose(this);
}
else if (pHandler)
{
pHandler->OnDispose(this);
}
}
// Add/Remove notification
void GFxFontResource::AddDisposeHandler(DisposeHandler *handler)
{
if (pHandler)
{
if (!HandlerArrayFlag)
{
DisposeHandler *oldHandler = pHandler;
if ((pHandlerArray = new GArray<DisposeHandler*>)!=0)
{
pHandlerArray->PushBack(oldHandler);
HandlerArrayFlag = 1;
}
else
return;
}
pHandlerArray->PushBack(handler);
return;
}
// If no array, just store handler
pHandler = handler;
}
void GFxFontResource::RemoveDisposeHandler(DisposeHandler* handler)
{
if (HandlerArrayFlag)
{
for (UInt i=0; i<pHandlerArray->GetSize(); i++)
{
if ((*pHandlerArray)[i] == handler)
{
// Handler found -> remove
pHandlerArray->RemoveAt(i);
if (pHandlerArray->GetSize() == 1)
{
DisposeHandler *oldHandler = (*pHandlerArray)[0];
delete pHandlerArray;
pHandler = oldHandler;
HandlerArrayFlag = 0;
return;
}
}
}
}
else if (pHandler == handler)
{
pHandler = 0;
}
}
// *** System FontProvider resource key
// We store system fonts obtained from GFxFontProvider is ResourceLib so
// that they are re-used it requested several times.
class GFxSystemFontResourceKey : public GRefCountBase<GFxSystemFontResourceKey, GFxStatMD_Fonts_Mem>
{
// Image States.
GPtr<GFxFontProvider> pFontProvider;
GString FontName;
UInt CreateFontFlags;
public:
GFxSystemFontResourceKey(const char* pname, UInt fontFlags,
GFxFontProvider* pfontProvider)
{
FontName = GString(pname).ToLower(); // Font names are case-insensitive.
CreateFontFlags = fontFlags & GFxFont::FF_Style_Mask;
pFontProvider = pfontProvider;
}
bool operator == (GFxSystemFontResourceKey& other) const
{
return (FontName == other.FontName &&
pFontProvider == other.pFontProvider &&
CreateFontFlags == other.CreateFontFlags);
}
UPInt GetHashCode() const
{
UPInt hashCode = GString::BernsteinHashFunctionCIS(
FontName.ToCStr(), FontName.GetSize());
return CreateFontFlags ^ hashCode ^
((UPInt)pFontProvider.GetPtr()) ^ (((UPInt)pFontProvider.GetPtr()) >> 7);
}
};
class GFxSystemFontResourceKeyInterface : public GFxResourceKey::KeyInterface
{
public:
typedef GFxResourceKey::KeyHandle KeyHandle;
// GFxResourceKey::KeyInterface implementation.
virtual void AddRef(KeyHandle hdata) { ((GFxSystemFontResourceKey*) hdata)->AddRef(); }
virtual void Release(KeyHandle hdata) { ((GFxSystemFontResourceKey*) hdata)->Release(); }
virtual GFxResourceKey::KeyType GetKeyType(KeyHandle hdata) const
{
GUNUSED(hdata);
return GFxResourceKey::Key_None;
}
virtual UPInt GetHashCode(KeyHandle hdata) const
{
return ((GFxSystemFontResourceKey*) hdata)->GetHashCode();
}
virtual bool KeyEquals(KeyHandle hdata, const GFxResourceKey& other);
};
static GFxSystemFontResourceKeyInterface GFxSystemFontResourceKeyInterface_Instance;
bool GFxSystemFontResourceKeyInterface::KeyEquals(KeyHandle hdata, const GFxResourceKey& other)
{
if (this != other.GetKeyInterface())
return 0;
GFxSystemFontResourceKey* pthisData = (GFxSystemFontResourceKey*) hdata;
GFxSystemFontResourceKey* potherData = (GFxSystemFontResourceKey*) other.GetKeyData();
GASSERT(pthisData && potherData);
return (*pthisData == *potherData);
}
GFxResourceKey GFxFontResource::CreateFontResourceKey(const char* pname, UInt fontFlags,
GFxFontProvider* pfontProvider)
{
GPtr<GFxSystemFontResourceKey> pdata =
*new GFxSystemFontResourceKey(pname, fontFlags, pfontProvider);
return GFxResourceKey(&GFxSystemFontResourceKeyInterface_Instance,
(GFxResourceKey::KeyHandle)pdata.GetPtr() );
}
// Static helper function used to lookup and/or create a font resource from provider.
GFxFontResource* GFxFontResource::CreateFontResource(const char* pname, UInt fontFlags,
GFxFontProvider* pprovider,
GFxResourceWeakLib *plib)
{
GASSERT(pname && pprovider && plib);
// Create a search key.
GFxResourceKey fontKey = CreateFontResourceKey(pname, fontFlags, pprovider);
GFxResourceLib::BindHandle bh;
GFxFontResource* pfontRes = 0;
if (plib->BindResourceKey(&bh, fontKey) == GFxResourceLib::RS_NeedsResolve)
{
// If hot found, create the font object.
GPtr<GFxFont> pexternalFont = *pprovider->CreateFont(pname, fontFlags);
if (pexternalFont)
pfontRes = GNEW GFxFontResource(pexternalFont, fontKey);
if (pfontRes)
{
bh.ResolveResource(pfontRes);
}
else
{ // No error messages are logged for failed system font creation.
bh.CancelResolve("");
}
}
else
{
// If Available, wait for resource to become available.
pfontRes = (GFxFontResource*)bh.WaitForResolve();
GASSERT(pfontRes->GetResourceType() == RT_Font);
}
return pfontRes;
}
bool GFxFont::IsCJK(UInt16 code)
{
static const UInt16 ranges[] =
{
0x1100, 0x11FF, // Hangul Jamo U+1100 - U+11FF
0x2E80, 0x2FDF, // CJK Radicals Supplement, U+2E80 - U+2EFF
// KangXi Radicals U+2F00 - U+2FDF
0x2FF0, 0x4DB5, // Ideographic Description Characters U+2FF0 - U+2FFF
// CJK Symbols and Punctuation U+3000 - U+303F
// Hiragana U+3040 - U+309F
// Katakana U+30A0 - U+30FF
// Bopomofo U+3100 - U+312F
// Hangul Compatibility Jamo U+3130 - U+318F
// Kanbun U+3190 - U+319F
// Bopomofo Extended U+31A0 - U+31BF
// CJK Strokes U+31C0 - U+31EF
// Katakana Phonetic Extensions U+31F0 - U+31FF
// Enclosed CJK Letters and Months U+3200 - U+32FF
// CJK Compatibility U+3300 - U+33FF
// CJK Unified Ideographs Extension A U+3400 - U+4DB5
0x4DC0, 0x9FBB, // Yijing Hexagram Symbols U+4DC0 - U+4DFF
// CJK Unified Ideographs U+4E00 - U+9FBB
0xAC00, 0xD7A3, // Hangul Syllables U+AC00 - U+D7A3
0xF900, 0xFAFF, // CJK Compatibility Ideographs U+F900 - U+FAFF
0xFF62, 0xFFDC, // Halfwidth and Fullwidth Forms U+FF00 - U+FFEF (Ideographic part)
0, 0
};
for (UInt i = 0; ranges[i]; i += 2)
{
if (code >= ranges[i] && code <= ranges[i + 1])
return true;
}
return false;
}
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