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Eagle517
335
Torque/SDK/engine/platformWin32/winFont.cc
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335
Torque/SDK/engine/platformWin32/winFont.cc
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//-----------------------------------------------------------------------------
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// Torque Game Engine
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// Copyright (C) GarageGames.com, Inc.
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//-----------------------------------------------------------------------------
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#include "platformWin32/platformWin32.h"
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#include "platformWin32/winFont.h"
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#include "dgl/gNewFont.h"
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#include "dgl/gFont.h"
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#include "dgl/gBitmap.h"
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#include "math/mRect.h"
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#include "console/console.h"
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#include "core/unicode.h"
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static HDC fontHDC = NULL;
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static HBITMAP fontBMP = NULL;
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static U32 charsetMap[]=
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{
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ANSI_CHARSET,
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SYMBOL_CHARSET,
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SHIFTJIS_CHARSET,
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HANGEUL_CHARSET,
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HANGUL_CHARSET,
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GB2312_CHARSET,
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CHINESEBIG5_CHARSET,
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OEM_CHARSET,
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JOHAB_CHARSET,
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HEBREW_CHARSET,
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ARABIC_CHARSET,
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GREEK_CHARSET,
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TURKISH_CHARSET,
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VIETNAMESE_CHARSET,
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THAI_CHARSET,
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EASTEUROPE_CHARSET,
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RUSSIAN_CHARSET,
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MAC_CHARSET,
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BALTIC_CHARSET,
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};
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#define NUMCHARSETMAP (sizeof(charsetMap) / sizeof(U32))
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void createFontInit(void);
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void createFontShutdown(void);
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void CopyCharToBitmap(GBitmap *pDstBMP, HDC hSrcHDC, const RectI &r);
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void createFontInit()
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{
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fontHDC = CreateCompatibleDC(NULL);
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fontBMP = CreateCompatibleBitmap(fontHDC, 256, 256);
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}
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void createFontShutdown()
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{
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DeleteObject(fontBMP);
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DeleteObject(fontHDC);
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}
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void CopyCharToBitmap(GBitmap *pDstBMP, HDC hSrcHDC, const RectI &r)
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{
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for (S32 i = r.point.y; i < r.point.y + r.extent.y; i++)
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{
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for (S32 j = r.point.x; j < r.point.x + r.extent.x; j++)
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{
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COLORREF color = GetPixel(hSrcHDC, j, i);
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if (color)
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*pDstBMP->getAddress(j, i) = 255;
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else
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*pDstBMP->getAddress(j, i) = 0;
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}
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}
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}
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GOldFont *createFont(const char *name, dsize_t size, U32 charset /* = TGE_ANSI_CHARSET */)
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{
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if(!name)
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return NULL;
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if(size < 1)
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return NULL;
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if(charset > NUMCHARSETMAP)
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charset = TGE_ANSI_CHARSET;
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#ifdef UNICODE
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UTF16 n[512];
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convertUTF8toUTF16((UTF8 *)name, n, sizeof(n));
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HFONT hNewFont = CreateFont(size,0,0,0,0,0,0,0,0,0,0,0,0,n);
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#else
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HFONT hNewFont = CreateFont(size,0,0,0,0,0,0,0,charsetMap[charset],0,0,0,0,name);
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#endif
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if(!hNewFont)
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return NULL;
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GOldFont *retFont = new GOldFont;
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static U8 scratchPad[65536];
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TEXTMETRIC textMetric;
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COLORREF backgroundColorRef = RGB( 0, 0, 0);
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COLORREF foregroundColorRef = RGB(255, 255, 255);
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SelectObject(fontHDC, fontBMP);
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SelectObject(fontHDC, hNewFont);
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SetBkColor(fontHDC, backgroundColorRef);
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SetTextColor(fontHDC, foregroundColorRef);
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GetTextMetrics(fontHDC, &textMetric);
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MAT2 matrix;
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GLYPHMETRICS metrics;
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RectI clip;
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FIXED zero;
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zero.fract = 0;
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zero.value = 0;
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FIXED one;
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one.fract = 0;
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one.value = 1;
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matrix.eM11 = one;
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matrix.eM12 = zero;
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matrix.eM21 = zero;
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matrix.eM22 = one;
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S32 glyphCount = 0;
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for(S32 i = 32; i < 256; i++)
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{
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#ifdef UNICODE
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UTF16 c[2];
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const UTF8 t[] = { (const UTF8)i, 0 };
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convertUTF8toUTF16(t, c, sizeof(c));
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#endif
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if(GetGlyphOutline(
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fontHDC, // handle of device context
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#ifdef UNICODE
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c[0], // character to query
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#else
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i, // character to query
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#endif
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GGO_GRAY8_BITMAP, // format of data to return
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&metrics, // address of structure for metrics
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sizeof(scratchPad), // size of buffer for data
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scratchPad, // address of buffer for data
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&matrix // address of transformation matrix structure
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) != GDI_ERROR)
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{
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glyphCount++;
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U32 rowStride = (metrics.gmBlackBoxX + 3) & ~3; // DWORD aligned
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U32 size = rowStride * metrics.gmBlackBoxY;
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for(U32 j = 0; j < size; j++)
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{
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U32 pad = U32(scratchPad[j]) << 2;
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if(pad > 255)
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pad = 255;
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scratchPad[j] = pad;
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}
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S32 inc = metrics.gmCellIncX;
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if(inc < 0)
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inc = -inc;
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retFont->insertBitmap(i, scratchPad, rowStride, metrics.gmBlackBoxX, metrics.gmBlackBoxY, metrics.gmptGlyphOrigin.x, metrics.gmptGlyphOrigin.y, metrics.gmCellIncX);
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}
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else
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{
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#ifdef UNICODE
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UTF16 b = i;
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#else
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char b = i;
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#endif
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SIZE size;
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GetTextExtentPoint32(fontHDC, &b, 1, &size);
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if(size.cx)
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retFont->insertBitmap(i, scratchPad, 0, 0, 0, 0, 0, size.cx);
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}
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}
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retFont->pack(textMetric.tmHeight, textMetric.tmAscent);
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//clean up local vars
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DeleteObject(hNewFont);
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if (!glyphCount)
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Con::errorf(ConsoleLogEntry::General,"Error creating font: %s %d",name, size);
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return retFont;
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}
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//////////////////////////////////////////////////////////////////////////
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// WinFont class
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//////////////////////////////////////////////////////////////////////////
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PlatformFont *createPlatformFont(const char *name, U32 size, U32 charset /* = TGE_ANSI_CHARSET */)
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{
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PlatformFont *retFont = new WinFont;
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if(retFont->create(name, size, charset))
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return retFont;
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delete retFont;
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return NULL;
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}
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WinFont::WinFont() : mFont(NULL)
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{
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}
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WinFont::~WinFont()
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{
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if(mFont)
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{
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DeleteObject(mFont);
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}
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}
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bool WinFont::create(const char *name, U32 size, U32 charset /* = TGE_ANSI_CHARSET */)
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{
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if(name == NULL || size < 1)
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return false;
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if(charset > NUMCHARSETMAP)
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charset = TGE_ANSI_CHARSET;
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#ifdef UNICODE
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UTF16 n[512];
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convertUTF8toUTF16((UTF8 *)name, n, sizeof(n));
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mFont = CreateFont(size,0,0,0,0,0,0,0,DEFAULT_CHARSET,OUT_TT_PRECIS,0,PROOF_QUALITY,0,n);
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#else
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mFont = CreateFont(size,0,0,0,0,0,0,0,charsetMap[charset],OUT_TT_PRECIS,0,PROOF_QUALITY,0,name);
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#endif
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if(mFont == NULL)
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return false;
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SelectObject(fontHDC, fontBMP);
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SelectObject(fontHDC, mFont);
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GetTextMetrics(fontHDC, &mTextMetric);
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return true;
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}
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bool WinFont::isValidChar(const UTF16 ch) const
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{
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return ch != 0 /* && (ch >= mTextMetric.tmFirstChar && ch <= mTextMetric.tmLastChar)*/;
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}
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bool WinFont::isValidChar(const UTF8 *str) const
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{
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return isValidChar(oneUTF8toUTF32(str));
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}
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PlatformFont::CharInfo &WinFont::getCharInfo(const UTF16 ch) const
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{
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static PlatformFont::CharInfo c;
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dMemset(&c, 0, sizeof(c));
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c.bitmapIndex = -1;
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static U8 scratchPad[65536];
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COLORREF backgroundColorRef = RGB( 0, 0, 0);
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COLORREF foregroundColorRef = RGB(255, 255, 255);
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SelectObject(fontHDC, fontBMP);
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SelectObject(fontHDC, mFont);
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SetBkColor(fontHDC, backgroundColorRef);
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SetTextColor(fontHDC, foregroundColorRef);
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MAT2 matrix;
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GLYPHMETRICS metrics;
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RectI clip;
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FIXED zero;
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zero.fract = 0;
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zero.value = 0;
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FIXED one;
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one.fract = 0;
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one.value = 1;
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matrix.eM11 = one;
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matrix.eM12 = zero;
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matrix.eM21 = zero;
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matrix.eM22 = one;
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if(GetGlyphOutline(
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fontHDC, // handle of device context
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ch, // character to query
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GGO_GRAY8_BITMAP, // format of data to return
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&metrics, // address of structure for metrics
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sizeof(scratchPad), // size of buffer for data
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scratchPad, // address of buffer for data
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&matrix // address of transformation matrix structure
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) != GDI_ERROR)
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{
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U32 rowStride = (metrics.gmBlackBoxX + 3) & ~3; // DWORD aligned
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U32 size = rowStride * metrics.gmBlackBoxY;
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for(U32 j = 0; j < size; j++)
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{
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U32 pad = U32(scratchPad[j]) << 2;
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if(pad > 255)
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pad = 255;
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scratchPad[j] = pad;
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}
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S32 inc = metrics.gmCellIncX;
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if(inc < 0)
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inc = -inc;
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c.xOffset = 0;
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c.yOffset = 0;
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c.width = metrics.gmBlackBoxX;
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c.height = metrics.gmBlackBoxY;
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c.xOrigin = metrics.gmptGlyphOrigin.x;
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c.yOrigin = metrics.gmptGlyphOrigin.y;
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c.xIncrement = metrics.gmCellIncX;
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c.bitmapData = new U8[c.width * c.height];
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for(U32 y = 0; S32(y) < c.height; y++)
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{
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U32 x;
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for(x = 0; x < c.width; x++)
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c.bitmapData[y * c.width + x] = scratchPad[y * rowStride + x];
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}
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}
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else
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{
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SIZE size;
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GetTextExtentPoint32W(fontHDC, &ch, 1, &size);
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if(size.cx)
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{
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c.xIncrement = size.cx;
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c.bitmapIndex = 0;
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}
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}
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return c;
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}
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PlatformFont::CharInfo &WinFont::getCharInfo(const UTF8 *str) const
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{
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return getCharInfo(oneUTF8toUTF32(str));
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}
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