765 lines
27 KiB
C++
765 lines
27 KiB
C++
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/**********************************************************************
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Filename : GFxFontProviderWin32.h
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Content : Win32 API Font provider (GetGlyphOutline)
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Created : 6/21/2007
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Authors : Maxim Shemanarev
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Copyright : (c) 2001-2007 Scaleform Corp. All Rights Reserved.
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Notes :
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Licensees may use this file in accordance with the valid Scaleform
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Commercial License Agreement provided with the software.
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This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING
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THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR ANY PURPOSE.
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----------------------------------------------------------------------
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The code of these classes was taken from the Anti-Grain Geometry
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Project and modified for the use by Scaleform.
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Permission to use without restrictions is hereby granted to
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Scaleform Corporation by the author of Anti-Grain Geometry Project.
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See http://antigtain.com for details.
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**********************************************************************/
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#include "GFxFontProviderWin32.h"
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#include "GFxString.h"
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#include "GFxShape.h"
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#include "GStd.h"
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//------------------------------------------------------------------------
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struct GFxGdiSelectObjectGuard
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{
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HDC WinDC;
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HGDIOBJ WinObj;
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GFxGdiSelectObjectGuard(HDC dc, HGDIOBJ obj) : WinDC(dc), WinObj(::SelectObject(dc, obj)) {}
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~GFxGdiSelectObjectGuard() { ::SelectObject(WinDC, WinObj); }
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};
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//------------------------------------------------------------------------
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GFxExternalFontWin32::~GFxExternalFontWin32()
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{
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if (HintedFont)
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::DeleteObject(HintedFont);
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if (MasterFont)
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::DeleteObject(MasterFont);
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}
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//------------------------------------------------------------------------
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int CALLBACK EnumFontFamExProc(
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ENUMLOGFONTEXW *lpelfe, // logical-font data
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NEWTEXTMETRICEXW *lpntme, // physical-font data
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DWORD FontType, // type of font
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LPARAM lParam // application-defined data
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)
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{
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GUNUSED3(lpelfe,lpntme,FontType);
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bool* found = (bool*)lParam;
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*found = true;
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return 0;
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}
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GFxExternalFontWin32::GFxExternalFontWin32(GFxFontProviderWin32 *pprovider,
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GFxFontSysDataWin32* sysData,
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const char* name,
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UInt fontFlags)
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: GFxFont(fontFlags),
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pFontProvider(pprovider),
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pSysData(sysData),
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MasterFont(0), HintedFont(0), LastHintedFontSize(0),
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Scale1024(1024.0f / Float(GGO_FontHeight))
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{
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Name.Resize(G_strlen(name) + 1);
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G_strcpy(&Name[0], G_strlen(name) + 1, name);
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// Font name is encoded as UTF8, so unpack.
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NameW.Resize(GUTF8Util::GetLength(name) + 1);
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GUTF8Util::DecodeString(&NameW[0], name);
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LOGFONTW lf;
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lstrcpyW((LPWSTR)&lf.lfFaceName, &NameW[0]);
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lf.lfCharSet = DEFAULT_CHARSET;
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bool found = false;
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EnumFontFamiliesExW(pSysData->WinHDC, &lf, (FONTENUMPROCW)EnumFontFamExProc, (LPARAM)&found, 0);
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if (!found)
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return;
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MasterFont = ::CreateFontW(-GGO_FontHeight, // height of font
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0, // average character width
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0, // angle of escapement
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0, // base-line orientation angle
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IsBold() ? FW_BOLD : FW_NORMAL, // font weight
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IsItalic(), // italic attribute option
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0, // underline attribute option
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0, // strikeout attribute option
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DEFAULT_CHARSET, // character set identifier
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OUT_DEFAULT_PRECIS, // output precision
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CLIP_DEFAULT_PRECIS, // clipping precision
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ANTIALIASED_QUALITY, // output quality
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DEFAULT_PITCH, // pitch and family
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&NameW[0]); // typeface name
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if(MasterFont)
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{
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TEXTMETRICW tm;
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GFxGdiSelectObjectGuard g1(pSysData->WinHDC, MasterFont);
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::GetTextMetricsW(pSysData->WinHDC, &tm);
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SetFontMetrics(Float(tm.tmExternalLeading) * Scale1024,
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Float(tm.tmAscent) * Scale1024,
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Float(tm.tmDescent) * Scale1024);
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loadKerningPairs();
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}
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}
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//------------------------------------------------------------------------
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void GFxExternalFontWin32::SetHinting(const GFxFont::NativeHintingType& pnh)
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{
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Hinting.MaxRasterHintedSize = pnh.MaxRasterHintedSize;
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Hinting.MaxVectorHintedSize = pnh.MaxVectorHintedSize;
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Hinting.RasterRange = pnh.RasterRange;
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Hinting.VectorRange = pnh.VectorRange;
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}
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//------------------------------------------------------------------------
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void GFxExternalFontWin32::loadKerningPairs()
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{
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GArray<KERNINGPAIR> pairs;
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UInt size = ::GetKerningPairsW(pSysData->WinHDC, 0, 0);
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if(size)
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{
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pairs.Resize(size);
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::GetKerningPairsW(pSysData->WinHDC, size, &pairs[0]);
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}
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KerningPairs.Clear();
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for(UInt i = 0; i < pairs.GetSize(); ++i)
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{
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KerningPairType pair;
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pair.Char0 = pairs[i].wFirst;
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pair.Char1 = pairs[i].wSecond;
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KerningPairs.Add(pair, Float(pairs[i].iKernAmount) * Scale1024);
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}
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}
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//------------------------------------------------------------------------
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bool GFxExternalFontWin32::decomposeGlyphOutline(const UByte* data,
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UInt size,
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GFxShapeNoStyles* shape)
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{
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const UByte* curGlyph = data;
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const UByte* endGlyph = data + size;
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bool hinted = shape->GetHintedGlyphSize() != 0;
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GFxPathPacker path;
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bool shapeValid = false;
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while(curGlyph < endGlyph)
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{
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const TTPOLYGONHEADER* th = (TTPOLYGONHEADER*)curGlyph;
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const UByte* endPoly = curGlyph + th->cb;
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const UByte* curPoly = curGlyph + sizeof(TTPOLYGONHEADER);
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path.Reset();
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path.SetFill0(1);
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path.SetFill1(0);
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if (hinted)
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path.SetMoveTo(FxToTwips(th->pfxStart.x), -FxToTwips(th->pfxStart.y));
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else
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path.SetMoveTo(FxToS1024(th->pfxStart.x), -FxToS1024(th->pfxStart.y));
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while(curPoly < endPoly)
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{
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const TTPOLYCURVE* pc = (const TTPOLYCURVE*)curPoly;
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if (pc->wType == TT_PRIM_LINE)
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{
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int i;
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for (i = 0; i < pc->cpfx; i++)
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{
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if (hinted)
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path.LineToAbs(FxToTwips(pc->apfx[i].x), -FxToTwips(pc->apfx[i].y));
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else
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path.LineToAbs(FxToS1024(pc->apfx[i].x), -FxToS1024(pc->apfx[i].y));
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}
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}
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if (pc->wType == TT_PRIM_QSPLINE)
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{
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int u;
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for (u = 0; u < pc->cpfx - 1; u++) // Walk through points in spline
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{
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POINTFX pntB = pc->apfx[u]; // B is always the current point
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POINTFX pntC = pc->apfx[u+1];
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if (u < pc->cpfx - 2) // If not on last spline, compute C
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{
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// midpoint (x,y)
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*(int*)&pntC.x = (*(int*)&pntB.x + *(int*)&pntC.x) / 2;
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*(int*)&pntC.y = (*(int*)&pntB.y + *(int*)&pntC.y) / 2;
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}
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if (hinted)
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path.CurveToAbs(FxToTwips(pntB.x), -FxToTwips(pntB.y),
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FxToTwips(pntC.x), -FxToTwips(pntC.y));
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else
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path.CurveToAbs(FxToS1024(pntB.x), -FxToS1024(pntB.y),
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FxToS1024(pntC.x), -FxToS1024(pntC.y));
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}
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}
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curPoly += sizeof(WORD) * 2 + sizeof(POINTFX) * pc->cpfx;
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}
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curGlyph += th->cb;
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if (!path.IsEmpty())
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{
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path.ClosePath();
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shape->AddPath(&path);
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shapeValid = true;
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}
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}
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return shapeValid;
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}
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//------------------------------------------------------------------------
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class GFxBitsetIterator
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{
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public:
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GFxBitsetIterator(const UByte* bits, unsigned offset = 0) :
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Bits(bits + (offset >> 3)),
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Mask(UByte(0x80 >> (offset & 7)))
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{}
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void operator ++ ()
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{
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Mask >>= 1;
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if(Mask == 0)
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{
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++Bits;
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Mask = 0x80;
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}
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}
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unsigned GetBit() const
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{
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return (*Bits) & Mask;
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}
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private:
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const UByte* Bits;
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UByte Mask;
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};
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//------------------------------------------------------------------------
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void GFxExternalFontWin32::decomposeGlyphBitmap(const UByte* data,
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int w, int h,
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int x, int y,
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GFxGlyphRaster* raster)
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{
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raster->Width = w;
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raster->Height = h;
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raster->OriginX = -x;
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raster->OriginY = y;
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raster->Raster.Resize(w * h);
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int i, pitch;
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const UByte* src = data;
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UByte* dst = &raster->Raster[0];
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if (pSysData->RasterFormat == GGO_BITMAP)
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{
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pitch = ((w + 31) >> 5) << 2;
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for(i = 0; i < h; i++)
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{
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GFxBitsetIterator bits(src, 0);
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int j;
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for(j = 0; j < w; j++)
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{
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*dst++ = bits.GetBit() ? 255 : 0;
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++bits;
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}
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src += pitch;
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}
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}
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else
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{
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pitch = ((w + 3) >> 2) << 2;
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for(i = 0; i < h; i++)
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{
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int j;
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for(j = 0; j < w; j++)
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{
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*dst++ = pSysData->Gamma[src[j]];
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}
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src += pitch;
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}
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}
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}
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//------------------------------------------------------------------------
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int GFxExternalFontWin32::GetGlyphIndex(UInt16 code) const
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{
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if (MasterFont)
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{
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const UInt* indexPtr = CodeTable.Get(code);
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if (indexPtr)
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return *indexPtr;
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GFxGdiSelectObjectGuard g1(pSysData->WinHDC, MasterFont);
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GLYPHMETRICS gm;
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MAT2 im = { {0,1}, {0,0}, {0,0}, {0,1} };
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int ret = ::GetGlyphOutlineW(pSysData->WinHDC,
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code,
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GGO_METRICS,
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&gm,
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0, 0,
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&im);
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if (ret == GDI_ERROR)
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return -1;
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GlyphType glyph;
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glyph.Code = code;
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glyph.Advance = Float(gm.gmCellIncX) * Scale1024;
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glyph.Bounds.Left = Float(gm.gmptGlyphOrigin.x) * Scale1024;
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glyph.Bounds.Top = -Float(gm.gmptGlyphOrigin.y) * Scale1024;
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glyph.Bounds.Right = glyph.Bounds.Left + Float(gm.gmBlackBoxX) * Scale1024;
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glyph.Bounds.Bottom = glyph.Bounds.Top + Float(gm.gmBlackBoxY) * Scale1024;
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GFxExternalFontWin32* pthis = const_cast<GFxExternalFontWin32*>(this);
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pthis->Glyphs.PushBack(glyph);
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pthis->CodeTable.Add(code, (UInt)Glyphs.GetSize()-1);
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return (UInt)Glyphs.GetSize()-1;
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}
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return -1;
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}
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//------------------------------------------------------------------------
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bool GFxExternalFontWin32::IsHintedVectorGlyph(UInt glyphIndex, UInt glyphSize) const
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{
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if (glyphIndex == (UInt)-1 ||
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Hinting.VectorRange == DontHint ||
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glyphSize > Hinting.MaxVectorHintedSize)
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{
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return false;
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}
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if (Hinting.VectorRange == HintAll)
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return true;
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return IsCJK(UInt16(Glyphs[glyphIndex].Code));
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}
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//------------------------------------------------------------------------
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bool GFxExternalFontWin32::IsHintedRasterGlyph(UInt glyphIndex, UInt glyphSize) const
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{
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if (glyphIndex == (UInt)-1 ||
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Hinting.RasterRange == DontHint ||
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glyphSize > Hinting.MaxRasterHintedSize)
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{
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return false;
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}
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if (Hinting.RasterRange == HintAll)
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return true;
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return IsCJK(UInt16(Glyphs[glyphIndex].Code));
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}
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//------------------------------------------------------------------------
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GFxShapeBase* GFxExternalFontWin32::GetGlyphShape(UInt glyphIndex,
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UInt glyphSize)
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{
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if (glyphIndex == (UInt)-1)
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return 0;
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if (!IsHintedVectorGlyph(glyphIndex, glyphSize))
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|
|
glyphSize = 0;
|
||
|
|
|
||
|
|
GlyphType& glyph = Glyphs[glyphIndex];
|
||
|
|
|
||
|
|
HFONT hFont = MasterFont;
|
||
|
|
if (glyphSize)
|
||
|
|
{
|
||
|
|
if (glyphSize != LastHintedFontSize)
|
||
|
|
{
|
||
|
|
if (HintedFont)
|
||
|
|
::DeleteObject(HintedFont);
|
||
|
|
|
||
|
|
HintedFont = ::CreateFontW(-int(glyphSize), // height of font
|
||
|
|
0, // average character width
|
||
|
|
0, // angle of escapement
|
||
|
|
0, // base-line orientation angle
|
||
|
|
IsBold() ? FW_BOLD : FW_NORMAL, // font weight
|
||
|
|
IsItalic(), // italic attribute option
|
||
|
|
0, // underline attribute option
|
||
|
|
0, // strikeout attribute option
|
||
|
|
DEFAULT_CHARSET, // character set identifier
|
||
|
|
OUT_DEFAULT_PRECIS, // output precision
|
||
|
|
CLIP_DEFAULT_PRECIS, // clipping precision
|
||
|
|
ANTIALIASED_QUALITY, // output quality
|
||
|
|
DEFAULT_PITCH, // pitch and family
|
||
|
|
&NameW[0]); // typeface name
|
||
|
|
LastHintedFontSize = glyphSize;
|
||
|
|
}
|
||
|
|
hFont = HintedFont;
|
||
|
|
}
|
||
|
|
|
||
|
|
GFxGdiSelectObjectGuard g1(pSysData->WinHDC, hFont);
|
||
|
|
|
||
|
|
if (pSysData->GlyphBuffer.GetSize() == 0)
|
||
|
|
pSysData->GlyphBuffer.Resize(GFxFontSysDataWin32::BufSizeInc);
|
||
|
|
|
||
|
|
#ifndef GGO_UNHINTED // For compatibility with old SDKs.
|
||
|
|
#define GGO_UNHINTED 0x0100
|
||
|
|
#endif
|
||
|
|
|
||
|
|
GLYPHMETRICS gm;
|
||
|
|
int totalSize = 0;
|
||
|
|
MAT2 im = { {0,1}, {0,0}, {0,0}, {0,1} };
|
||
|
|
totalSize = ::GetGlyphOutlineW(pSysData->WinHDC,
|
||
|
|
glyph.Code,
|
||
|
|
GGO_NATIVE,
|
||
|
|
&gm,
|
||
|
|
(DWORD)pSysData->GlyphBuffer.GetSize(),
|
||
|
|
&pSysData->GlyphBuffer[0],
|
||
|
|
&im);
|
||
|
|
|
||
|
|
if (totalSize == GDI_ERROR ||
|
||
|
|
totalSize > (int)pSysData->GlyphBuffer.GetSize())
|
||
|
|
{
|
||
|
|
// An error has occured. Most probably it's because
|
||
|
|
// of not enough room in the buffer. So, request the buffer size,
|
||
|
|
// reallocate, and try again. The second call may fail for
|
||
|
|
// some other reason (no glyph); in this case there's nothing
|
||
|
|
// else to do, just return NULL.
|
||
|
|
// The buffer is reallocated with adding BufSizeInc in order
|
||
|
|
// to reduce the number of reallocations.
|
||
|
|
//----------------------------------
|
||
|
|
totalSize = ::GetGlyphOutlineW(pSysData->WinHDC,
|
||
|
|
glyph.Code,
|
||
|
|
GGO_NATIVE,
|
||
|
|
&gm, 0, 0, &im);
|
||
|
|
|
||
|
|
if(totalSize == GDI_ERROR) return 0;
|
||
|
|
|
||
|
|
pSysData->GlyphBuffer.Resize(totalSize + GFxFontSysDataWin32::BufSizeInc);
|
||
|
|
totalSize = ::GetGlyphOutlineW(pSysData->WinHDC,
|
||
|
|
glyph.Code,
|
||
|
|
GGO_NATIVE,
|
||
|
|
&gm,
|
||
|
|
(DWORD)pSysData->GlyphBuffer.GetSize(),
|
||
|
|
&pSysData->GlyphBuffer[0],
|
||
|
|
&im);
|
||
|
|
if (totalSize == GDI_ERROR ||
|
||
|
|
totalSize > (int)pSysData->GlyphBuffer.GetSize())
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
GFxShapeNoStyles* pshape = 0;
|
||
|
|
if (totalSize)
|
||
|
|
{
|
||
|
|
pshape = new GFxShapeNoStyles(ShapePageSize);
|
||
|
|
pshape->SetHintedGlyphSize(glyphSize);
|
||
|
|
if (!decomposeGlyphOutline(&pSysData->GlyphBuffer[0], totalSize, pshape))
|
||
|
|
{
|
||
|
|
pshape->Release();
|
||
|
|
pshape = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return pshape;
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
GFxGlyphRaster* GFxExternalFontWin32::GetGlyphRaster(UInt glyphIndex, UInt glyphSize)
|
||
|
|
{
|
||
|
|
if (!IsHintedRasterGlyph(glyphIndex, glyphSize))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
GlyphType& glyph = Glyphs[glyphIndex];
|
||
|
|
if (glyphSize != LastHintedFontSize)
|
||
|
|
{
|
||
|
|
if (HintedFont)
|
||
|
|
::DeleteObject(HintedFont);
|
||
|
|
|
||
|
|
HintedFont = ::CreateFontW(-int(glyphSize), // height of font
|
||
|
|
0, // average character width
|
||
|
|
0, // angle of escapement
|
||
|
|
0, // base-line orientation angle
|
||
|
|
IsBold() ? FW_BOLD : FW_NORMAL, // font weight
|
||
|
|
IsItalic(), // italic attribute option
|
||
|
|
0, // underline attribute option
|
||
|
|
0, // strikeout attribute option
|
||
|
|
DEFAULT_CHARSET, // character set identifier
|
||
|
|
OUT_DEFAULT_PRECIS, // output precision
|
||
|
|
CLIP_DEFAULT_PRECIS, // clipping precision
|
||
|
|
ANTIALIASED_QUALITY, // output quality
|
||
|
|
DEFAULT_PITCH, // pitch and family
|
||
|
|
&NameW[0]); // typeface name
|
||
|
|
LastHintedFontSize = glyphSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
GFxGdiSelectObjectGuard g1(pSysData->WinHDC, HintedFont);
|
||
|
|
|
||
|
|
if (pSysData->GlyphBuffer.GetSize() == 0)
|
||
|
|
pSysData->GlyphBuffer.Resize(GFxFontSysDataWin32::BufSizeInc);
|
||
|
|
|
||
|
|
GLYPHMETRICS gm;
|
||
|
|
int totalSize = 0;
|
||
|
|
MAT2 im = { {0,1}, {0,0}, {0,0}, {0,1} };
|
||
|
|
totalSize = ::GetGlyphOutlineW(pSysData->WinHDC,
|
||
|
|
glyph.Code,
|
||
|
|
pSysData->RasterFormat,
|
||
|
|
&gm,
|
||
|
|
(DWORD)pSysData->GlyphBuffer.GetSize(),
|
||
|
|
&pSysData->GlyphBuffer[0],
|
||
|
|
&im);
|
||
|
|
|
||
|
|
if (totalSize == GDI_ERROR ||
|
||
|
|
totalSize > (int)pSysData->GlyphBuffer.GetSize())
|
||
|
|
{
|
||
|
|
// An error has occured. Most probably it's because
|
||
|
|
// of not enough room in the buffer. So, request the buffer size,
|
||
|
|
// reallocate, and try again. The second call may fail for
|
||
|
|
// some other reason (no glyph); in this case there's nothing
|
||
|
|
// else to do, just return NULL.
|
||
|
|
// The buffer is reallocated with adding BufSizeInc in order
|
||
|
|
// to reduce the number of reallocations.
|
||
|
|
//----------------------------------
|
||
|
|
totalSize = ::GetGlyphOutlineW(pSysData->WinHDC,
|
||
|
|
glyph.Code,
|
||
|
|
pSysData->RasterFormat,
|
||
|
|
&gm, 0, 0, &im);
|
||
|
|
|
||
|
|
if(totalSize == GDI_ERROR) return 0;
|
||
|
|
|
||
|
|
pSysData->GlyphBuffer.Resize(totalSize + GFxFontSysDataWin32::BufSizeInc);
|
||
|
|
totalSize = ::GetGlyphOutlineW(pSysData->WinHDC,
|
||
|
|
glyph.Code,
|
||
|
|
pSysData->RasterFormat,
|
||
|
|
&gm,
|
||
|
|
(DWORD)pSysData->GlyphBuffer.GetSize(),
|
||
|
|
&pSysData->GlyphBuffer[0],
|
||
|
|
&im);
|
||
|
|
if (totalSize == GDI_ERROR ||
|
||
|
|
totalSize > (int)pSysData->GlyphBuffer.GetSize())
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pRaster.GetPtr() == 0)
|
||
|
|
pRaster = *new GFxGlyphRaster;
|
||
|
|
|
||
|
|
if (totalSize)
|
||
|
|
{
|
||
|
|
decomposeGlyphBitmap(&pSysData->GlyphBuffer[0],
|
||
|
|
gm.gmBlackBoxX,
|
||
|
|
gm.gmBlackBoxY,
|
||
|
|
gm.gmptGlyphOrigin.x,
|
||
|
|
gm.gmptGlyphOrigin.y,
|
||
|
|
pRaster);
|
||
|
|
return pRaster;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
pRaster->Width = 1;
|
||
|
|
pRaster->Height = 1;
|
||
|
|
pRaster->Raster.Resize(1);
|
||
|
|
pRaster->Raster[0] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return pRaster;
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
Float GFxExternalFontWin32::GetAdvance(UInt glyphIndex) const
|
||
|
|
{
|
||
|
|
if (glyphIndex == (UInt)-1)
|
||
|
|
return GetDefaultGlyphWidth();
|
||
|
|
|
||
|
|
return Glyphs[glyphIndex].Advance;
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
Float GFxExternalFontWin32::GetKerningAdjustment(UInt lastCode, UInt thisCode) const
|
||
|
|
{
|
||
|
|
Float adjustment;
|
||
|
|
KerningPairType k;
|
||
|
|
k.Char0 = (UInt16)lastCode;
|
||
|
|
k.Char1 = (UInt16)thisCode;
|
||
|
|
if (KerningPairs.Get(k, &adjustment))
|
||
|
|
{
|
||
|
|
return adjustment;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
Float GFxExternalFontWin32::GetGlyphWidth(UInt glyphIndex) const
|
||
|
|
{
|
||
|
|
if (glyphIndex == (UInt)-1)
|
||
|
|
return GetDefaultGlyphWidth();
|
||
|
|
|
||
|
|
const GRectF& r = Glyphs[glyphIndex].Bounds;
|
||
|
|
return r.Width();
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
Float GFxExternalFontWin32::GetGlyphHeight(UInt glyphIndex) const
|
||
|
|
{
|
||
|
|
if (glyphIndex == (UInt)-1)
|
||
|
|
return GetDefaultGlyphHeight();
|
||
|
|
|
||
|
|
const GRectF& r = Glyphs[glyphIndex].Bounds;
|
||
|
|
return r.Height();
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
GRectF& GFxExternalFontWin32::GetGlyphBounds(UInt glyphIndex, GRectF* prect) const
|
||
|
|
{
|
||
|
|
if (glyphIndex == (UInt)-1)
|
||
|
|
prect->SetRect(GetDefaultGlyphWidth(), GetDefaultGlyphHeight());
|
||
|
|
else
|
||
|
|
*prect = Glyphs[glyphIndex].Bounds;
|
||
|
|
return *prect;
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
const char* GFxExternalFontWin32::GetName() const
|
||
|
|
{
|
||
|
|
return &Name[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
GFxFontProviderWin32::GFxFontProviderWin32(HDC dc):
|
||
|
|
SysData(dc)
|
||
|
|
{
|
||
|
|
GFxFont::NativeHintingType nhAllFonts;
|
||
|
|
nhAllFonts.RasterRange = GFxFont::HintCJK;
|
||
|
|
nhAllFonts.VectorRange = GFxFont::DontHint;
|
||
|
|
nhAllFonts.MaxRasterHintedSize = 24;
|
||
|
|
nhAllFonts.MaxVectorHintedSize = 24;
|
||
|
|
NativeHinting.PushBack(nhAllFonts);
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
GFxFontProviderWin32::~GFxFontProviderWin32()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
GFxFont::NativeHintingType* GFxFontProviderWin32::findNativeHinting(const char* name)
|
||
|
|
{
|
||
|
|
UInt i;
|
||
|
|
for (i = 0; i < NativeHinting.GetSize(); ++i)
|
||
|
|
{
|
||
|
|
if (NativeHinting[i].Typeface.CompareNoCase(name) == 0)
|
||
|
|
return &NativeHinting[i];
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void GFxFontProviderWin32::SetHinting(const char* name,
|
||
|
|
GFxFont::NativeHintingRange vectorRange,
|
||
|
|
GFxFont::NativeHintingRange rasterRange,
|
||
|
|
UInt maxVectorHintedSize,
|
||
|
|
UInt maxRasterHintedSize)
|
||
|
|
{
|
||
|
|
GFxFont::NativeHintingType* pnh = findNativeHinting(name);
|
||
|
|
if (pnh == 0)
|
||
|
|
{
|
||
|
|
GFxFont::NativeHintingType nh = NativeHinting[0];
|
||
|
|
nh.Typeface = name;
|
||
|
|
NativeHinting.PushBack(nh);
|
||
|
|
pnh = &NativeHinting[NativeHinting.GetSize()-1];
|
||
|
|
}
|
||
|
|
pnh->VectorRange = vectorRange;
|
||
|
|
pnh->RasterRange = rasterRange;
|
||
|
|
pnh->MaxVectorHintedSize = maxVectorHintedSize;
|
||
|
|
pnh->MaxRasterHintedSize = maxRasterHintedSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void GFxFontProviderWin32::SetHintingAllFonts(GFxFont::NativeHintingRange vectorRange,
|
||
|
|
GFxFont::NativeHintingRange rasterRange,
|
||
|
|
UInt maxVectorHintedSize,
|
||
|
|
UInt maxRasterHintedSize)
|
||
|
|
{
|
||
|
|
NativeHinting[0].VectorRange = vectorRange;
|
||
|
|
NativeHinting[0].RasterRange = rasterRange;
|
||
|
|
NativeHinting[0].MaxVectorHintedSize = maxVectorHintedSize;
|
||
|
|
NativeHinting[0].MaxRasterHintedSize = maxRasterHintedSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
void GFxFontProviderWin32::SetRasterFormat(UInt format, const UByte* gamma)
|
||
|
|
{
|
||
|
|
SysData.RasterFormat = format;
|
||
|
|
if (gamma)
|
||
|
|
{
|
||
|
|
switch(format)
|
||
|
|
{
|
||
|
|
case GGO_GRAY2_BITMAP: memcpy(SysData.Gamma, gamma, 5); break;
|
||
|
|
case GGO_GRAY4_BITMAP: memcpy(SysData.Gamma, gamma, 17); break;
|
||
|
|
case GGO_GRAY8_BITMAP: memcpy(SysData.Gamma, gamma, 65); break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
GFxFont* GFxFontProviderWin32::CreateFont(const char* name, UInt fontFlags)
|
||
|
|
{
|
||
|
|
//if (fontFlags & GFxFont::FF_BoldItalic) return 0; // DBG
|
||
|
|
|
||
|
|
// Mask flags to be safe.
|
||
|
|
fontFlags &= GFxFont::FF_CreateFont_Mask;
|
||
|
|
fontFlags |= GFxFont::FF_DeviceFont | GFxFont::FF_NativeHinting;
|
||
|
|
|
||
|
|
// Return a newly created font with a default RefCount of 1.
|
||
|
|
// It is users responsibility to cache the font and release
|
||
|
|
// it when it is no longer necessary.
|
||
|
|
GFxExternalFontWin32* pnewFont =
|
||
|
|
new GFxExternalFontWin32(this, &SysData, name, fontFlags);
|
||
|
|
if (pnewFont && !pnewFont->IsValid())
|
||
|
|
{
|
||
|
|
pnewFont->Release();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
GFxFont::NativeHintingType* pnh = findNativeHinting(name);
|
||
|
|
if (pnh)
|
||
|
|
pnewFont->SetHinting(*pnh);
|
||
|
|
else
|
||
|
|
pnewFont->SetHinting(NativeHinting[0]);
|
||
|
|
|
||
|
|
return pnewFont;
|
||
|
|
}
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
static int CALLBACK LoadFontNamesProc(
|
||
|
|
ENUMLOGFONTEXW *lpelfe, // logical-font data
|
||
|
|
NEWTEXTMETRICEXW*, // physical-font data
|
||
|
|
DWORD, // type of font
|
||
|
|
LPARAM lParam // application-defined data
|
||
|
|
)
|
||
|
|
{
|
||
|
|
GStringHash<GString>* pfontnames = static_cast<GStringHash<GString>*>((void*)lParam);
|
||
|
|
GString fontname(lpelfe->elfFullName);
|
||
|
|
pfontnames->Set(fontname, fontname);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
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void GFxFontProviderWin32::LoadFontNames(GStringHash<GString>& fontnames)
|
||
|
|
{
|
||
|
|
LOGFONTW lf;
|
||
|
|
lf.lfCharSet = DEFAULT_CHARSET;
|
||
|
|
lf.lfFaceName[0] = '\0';
|
||
|
|
lf.lfPitchAndFamily = 0;
|
||
|
|
EnumFontFamiliesExW(SysData.WinHDC, &lf, (FONTENUMPROCW)LoadFontNamesProc, (LPARAM)&fontnames, 0);
|
||
|
|
}
|
||
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|