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397 lines
13 KiB
C++
397 lines
13 KiB
C++
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//-----------------------------------------------------------------------------
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// Name: FontMakerWnd.cpp
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//
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// Desc: The window and scroll view class for the fontmaker app
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//
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// Hist: 09.06.02 - Revised Fontmaker sample
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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#include "stdafx.h"
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#include "FontMaker.h"
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#include "Glyphs.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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extern CTextureFont g_Font;
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BOOL g_bIsGlyphSelected = FALSE;
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int g_iSelectedGlyphNum = 0;
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WCHAR g_cSelectedGlyph = '\0';
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GLYPH_ATTR* g_pSelectedGylph = NULL;
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// Colors
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#define COLOR_WHITE ( RGB(255,255,255) )
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#define COLOR_BLACK ( RGB( 0, 0, 0) )
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#define COLOR_BLUE ( RGB( 0, 0,255) )
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#define COLOR_RED ( RGB(255, 0, 0) )
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#define COLOR_DARKRED ( RGB(128, 0, 0) )
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//-----------------------------------------------------------------------------
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// CFontMakerFrameWnd
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNCREATE(CFontMakerFrameWnd, CFrameWnd)
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BEGIN_MESSAGE_MAP(CFontMakerFrameWnd, CFrameWnd)
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//{{AFX_MSG_MAP(CFontMakerFrameWnd)
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ON_WM_CREATE()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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int CFontMakerFrameWnd::OnCreate( LPCREATESTRUCT pCreateStruct )
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{
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if( CFrameWnd::OnCreate( pCreateStruct ) == -1 )
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return -1;
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// Create a docked dialog bar
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EnableDocking( CBRS_ALIGN_ANY );
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if( !m_wndDialogBar.Create( this, IDD_DIALOGBAR,
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CBRS_LEFT, IDD_DIALOGBAR ) )
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{
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TRACE0("Failed to create DlgBar\n");
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return -1;
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}
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return 0;
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}
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//-----------------------------------------------------------------------------
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// CFontMakerView
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNCREATE(CFontMakerView, CScrollView)
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BEGIN_MESSAGE_MAP(CFontMakerView, CScrollView)
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//{{AFX_MSG_MAP(CFontMakerView)
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ON_WM_LBUTTONDOWN()
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ON_WM_ERASEBKGND()
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ON_WM_KEYDOWN()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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//-----------------------------------------------------------------------------
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// Name: ~CFontMakerView()
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// Desc: Destructor with special cleanup
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//-----------------------------------------------------------------------------
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CFontMakerView::~CFontMakerView()
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{
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// Cleanup before exitting
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m_memDC.DeleteDC();
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}
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//-----------------------------------------------------------------------------
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// Name: OnInitialUpdate()
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// Desc: Called when the view is created.
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//-----------------------------------------------------------------------------
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void CFontMakerView::OnInitialUpdate()
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{
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// Set the scroll bars
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CScrollView::OnInitialUpdate();
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CSize szTotal( g_Font.m_dwTextureWidth, g_Font.m_dwTextureHeight );
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SetScrollSizes( MM_TEXT, szTotal );
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CPoint ptCenter( 0, 0 );
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CenterOnPoint( ptCenter );
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// Create a secondary DC, used for drawing
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m_memDC.CreateCompatibleDC( GetDC() );
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}
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//-----------------------------------------------------------------------------
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// Name: OnEraseBkgnd()
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// Desc: Overridden function to prevent the view from flickering during resizes
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// and redraws
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//-----------------------------------------------------------------------------
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BOOL CFontMakerView::OnEraseBkgnd( CDC* pDC )
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{
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return TRUE;
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}
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//-----------------------------------------------------------------------------
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// Name: RenderSelectedGlyph()
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// Desc: Highlight the selected glyph
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//-----------------------------------------------------------------------------
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VOID RenderSelectedGlyph( CDC* pDC )
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{
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// If no glyph is selected, return
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if( FALSE == g_bIsGlyphSelected )
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return;
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HRGN rgn = CreateRectRgn( 0, 0, g_Font.m_dwTextureWidth, g_Font.m_dwTextureHeight );
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SelectClipRgn( pDC->m_hDC, rgn );
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// Draw a higlighted background for the selected glyph
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{
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int x = g_pSelectedGylph->x;
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int y = g_pSelectedGylph->y;
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int w = g_pSelectedGylph->w;
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int h = g_pSelectedGylph->h;
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pDC->FillSolidRect( x, y, w, h, COLOR_DARKRED );
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}
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// Setup the DC for drawing text
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pDC->SetTextColor( COLOR_WHITE );
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pDC->SelectObject( g_Font.m_hFont );
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pDC->SetTextAlign( TA_LEFT|TA_TOP );
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pDC->SetMapMode( MM_TEXT );
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pDC->SetBkMode( TRANSPARENT );
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pDC->SetBkColor( COLOR_BLUE );
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CPen pen( PS_SOLID, 1, COLOR_RED );
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pDC->SelectObject( &pen );
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// Render the selected glyph
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GLYPH_ATTR* pGlyph = g_pSelectedGylph;
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{
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WCHAR c = g_cSelectedGlyph;
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WCHAR str[2] = L"A";
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str[0] = c ? c : 0xffff;
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if ( g_Font.m_ValidGlyphs[c] == 2 )
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{
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// Draw a square box for a placeholder for custom glyph graphics
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pDC->FillSolidRect( pGlyph->x, pGlyph->y, pGlyph->w, pGlyph->h, COLOR_BLACK );
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}
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else
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{
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int sx = pGlyph->x;
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int sy = pGlyph->y;
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// Adjust ccordinates to account for the leading edge
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if ( str[0] > 0x1000 )
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{
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}
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else
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{
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sx -= pGlyph->a;
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if ( g_Font.m_bOutlineEffect )
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sx -= 1;
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}
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if ( g_Font.m_bOutlineEffect )
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{
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sx++;
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sy++;
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pDC->SetTextColor( COLOR_BLACK );
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ExtTextOutW( pDC->m_hDC, sx-1, sy-1, ETO_OPAQUE, NULL, str, 1, NULL );
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ExtTextOutW( pDC->m_hDC, sx+0, sy-1, ETO_OPAQUE, NULL, str, 1, NULL );
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ExtTextOutW( pDC->m_hDC, sx+1, sy-1, ETO_OPAQUE, NULL, str, 1, NULL );
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ExtTextOutW( pDC->m_hDC, sx-1, sy+0, ETO_OPAQUE, NULL, str, 1, NULL );
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ExtTextOutW( pDC->m_hDC, sx+1, sy+0, ETO_OPAQUE, NULL, str, 1, NULL );
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ExtTextOutW( pDC->m_hDC, sx-1, sy+1, ETO_OPAQUE, NULL, str, 1, NULL );
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ExtTextOutW( pDC->m_hDC, sx+0, sy+1, ETO_OPAQUE, NULL, str, 1, NULL );
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ExtTextOutW( pDC->m_hDC, sx+1, sy+1, ETO_OPAQUE, NULL, str, 1, NULL );
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}
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if ( g_Font.m_bShadowEffect )
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{
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pDC->SetTextColor( COLOR_BLACK );
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ExtTextOutW( pDC->m_hDC, sx+2, sy+2, ETO_OPAQUE, NULL, str, 1, NULL );
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}
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// Output the letter
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pDC->SetTextColor( COLOR_WHITE );
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ExtTextOutW( pDC->m_hDC, sx, sy, ETO_OPAQUE, NULL, str, 1, NULL );
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}
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}
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// Draw a red outline around the selected glyph
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{
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// Create a red pen
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CPen pen( PS_SOLID, 1, COLOR_RED );
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pDC->SelectObject( &pen );
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// Draw the outline
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int x1 = pGlyph->x - 1;
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int y1 = pGlyph->y - 1;
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int x2 = pGlyph->x + pGlyph->w;
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int y2 = pGlyph->y + pGlyph->h;
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pDC->MoveTo( x1, y1 );
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pDC->LineTo( x2, y1 );
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pDC->LineTo( x2, y2 );
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pDC->LineTo( x1, y2 );
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pDC->LineTo( x1, y1 );
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}
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SelectClipRgn( pDC->m_hDC, NULL );
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DeleteObject( rgn );
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}
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//-----------------------------------------------------------------------------
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// Name: OnDraw()
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// Desc: Overridden draw function. Draws the font glyphs if a font is loaded,
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// else just a black background.
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//-----------------------------------------------------------------------------
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VOID CFontMakerView::OnNewFontGlyphs()
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{
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// Select the resulting bits into our memory DC
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static CBitmap Bitmap;
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Bitmap.DeleteObject();
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Bitmap.CreateBitmap( g_Font.m_dwTextureWidth, g_Font.m_dwTextureHeight, 1, 32, g_Font.m_pBits );
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m_memDC.SelectObject( &Bitmap );
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// Trigger the view to be re-drawn
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OnUpdate(0,0,0);
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}
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//-----------------------------------------------------------------------------
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// Name: OnDraw()
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// Desc: Overridden draw function. Draws the font glyphs if a font is loaded,
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// else just a black background.
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//-----------------------------------------------------------------------------
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VOID CFontMakerView::OnDraw( CDC* pDC )
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{
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RECT rc;
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GetClientRect( &rc );
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// Draw the view
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if ( g_Font.m_hFont == NULL && !g_Font.m_pCustomFilename )
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{
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// Don't display any scroll bars
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CSize sizeTotal( 0, 0 );
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SetScrollSizes( MM_TEXT, sizeTotal );
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// Draw a black background
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pDC->FillSolidRect( 0, 0, rc.right, rc.bottom, COLOR_BLACK );
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}
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else
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{
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// Set the scroll sizes for the view
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CSize sizeTotal( g_Font.m_dwTextureWidth, g_Font.m_dwTextureHeight );
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SetScrollSizes( MM_TEXT, sizeTotal );
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// Draw the view's black areas
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pDC->FillSolidRect( g_Font.m_dwTextureWidth, 0, max( (int)g_Font.m_dwTextureWidth, rc.right), g_Font.m_dwTextureHeight, COLOR_BLACK );
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pDC->FillSolidRect( 0, g_Font.m_dwTextureHeight, max( (int)g_Font.m_dwTextureWidth, rc.right), max( (int)g_Font.m_dwTextureHeight, rc.bottom), COLOR_BLACK );
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// Display the bitmap of all the rendered glyphs
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pDC->BitBlt( 0, 0, g_Font.m_dwTextureWidth, g_Font.m_dwTextureHeight, &m_memDC, 0, 0, SRCCOPY );
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// Draw the selected glyph, if any
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RenderSelectedGlyph( pDC );
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}
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}
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//-----------------------------------------------------------------------------
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// Name: OnLButtonDown()
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// Desc: Overridden function to select a glyph when the user clicks the mouse.
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//-----------------------------------------------------------------------------
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void CFontMakerView::OnLButtonDown( UINT nFlags, CPoint point )
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{
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if ( !g_Font.m_hFont )
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return;
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// Correct the mouseclick point to account for the scroll position
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point += GetScrollPosition();
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// Find out which glyph, if any, is selected by the mouse click
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theApp.UpdateSelectedGlyph( FALSE );
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for( DWORD i=0; i<g_Font.m_dwNumGlyphs && g_Font.m_pGlyphs; i++ )
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{
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GLYPH_ATTR* pGlyph = &g_Font.m_pGlyphs[i];
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if ( point.x >= pGlyph->x-2 && point.x <= pGlyph->x + pGlyph->w )
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{
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if ( point.y >= pGlyph->y-2 && point.y <= pGlyph->y + pGlyph->h )
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{
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theApp.UpdateSelectedGlyph( TRUE, i );
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break;
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}
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}
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}
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// Redraw the view to show the newly selected glyph
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Invalidate( TRUE );
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// Call the base class' handler
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CScrollView::OnLButtonDown( nFlags, point );
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}
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//-----------------------------------------------------------------------------
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// Name: OnKeyDown()
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// Desc: Overridden function to select a glyph with the keyboard.
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//-----------------------------------------------------------------------------
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void CFontMakerView::OnKeyDown( UINT nChar, UINT nRepCnt, UINT nFlags )
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{
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if ( !g_Font.m_hFont )
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return;
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if( g_Font.m_dwNumGlyphs > 0 )
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{
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if( FALSE == g_bIsGlyphSelected )
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{
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if( nChar == 37 || nChar == 38 || nChar == 39 || nChar == 40 ) // Left, right, up or down
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{
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// Select the first glyph
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theApp.UpdateSelectedGlyph( TRUE, 0 );
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}
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}
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else
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{
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if( nChar == 37 ) // Left
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theApp.UpdateSelectedGlyph( TRUE, max( 0, g_iSelectedGlyphNum-1 ) );
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else if( nChar == 39 ) // Right
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theApp.UpdateSelectedGlyph( TRUE, min( (int)g_Font.m_dwNumGlyphs-1, g_iSelectedGlyphNum+1 ) );
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else if( nChar == 38 || nChar == 40 ) // Up or down
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{
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// Find the closest glyph above or below to move to
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int x = g_pSelectedGylph->x + g_pSelectedGylph->w/2;
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int y = g_pSelectedGylph->y + g_pSelectedGylph->h/2;
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if( nChar == 38 ) y -= g_pSelectedGylph->h;
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if( nChar == 40 ) y += g_pSelectedGylph->h;
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for( DWORD i=0; i<g_Font.m_dwNumGlyphs; i++ )
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{
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GLYPH_ATTR* pGlyph = &g_Font.m_pGlyphs[i];
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if( x >= pGlyph->x-2 && x <= pGlyph->x + pGlyph->w )
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{
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if( y >= pGlyph->y-2 && y <= pGlyph->y + pGlyph->h )
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{
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theApp.UpdateSelectedGlyph( TRUE, i );
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break;
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}
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}
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}
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}
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else if ( nChar == 46 )
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{
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// delete a glyph
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theApp.OnGlyphsCustom();
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// mark glyph as invalid
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g_Font.DeleteGlyph( g_cSelectedGlyph );
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// reset to the first glyph
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theApp.UpdateSelectedGlyph( FALSE );
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}
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else if ( nChar == 45 )
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{
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// insert a glyph
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theApp.OnGlyphsCustom();
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// reset to the first glyph
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theApp.UpdateSelectedGlyph( FALSE );
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theApp.InsertGlyph();
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}
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}
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// Redraw the view to show the newly selected glyph
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Invalidate( TRUE );
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}
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CScrollView::OnKeyDown( nChar, nRepCnt, nFlags );
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}
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