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134 lines
3.6 KiB
C++
134 lines
3.6 KiB
C++
//-----------------------------------------------------------------------------
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// V12 Engine
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//
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// Copyright (c) 2001 GarageGames.Com
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// Portions Copyright (c) 2001 by Sierra Online, Inc.
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//-----------------------------------------------------------------------------
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#include "PlatformWin32/platformWin32.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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static HDC fontHDC = NULL;
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static HBITMAP fontBMP = NULL;
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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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GFont *createFont(const char *name, S32 size)
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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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HFONT hNewFont = CreateFont(size,0,0,0,0,0,0,0,0,0,0,0,0,name);
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if(!hNewFont)
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return NULL;
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GFont *retFont = new GFont;
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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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if(GetGlyphOutline(
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fontHDC, // handle of device context
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i, // 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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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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char b = i;
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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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