charset.cpp
来自「Windows 图形编程 书籍」· C++ 代码 · 共 456 行
CPP
456 行
//-----------------------------------------------------------------------------------//
// Windows Graphics Programming: Win32 GDI and DirectDraw //
// ISBN 0-13-086985-6 //
// //
// Written by Yuan, Feng www.fengyuan.com //
// Copyright (c) 2000 by Hewlett-Packard Company www.hp.com //
// Published by Prentice Hall PTR, Prentice-Hall, Inc. www.phptr.com //
// //
// FileName : charset.cpp //
// Description: KCharSetView class //
// Version : 1.00.000, May 31, 2000 //
//-----------------------------------------------------------------------------------//
#define STRICT
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <tchar.h>
#include <assert.h>
#include "..\..\include\Win.h"
#include "..\..\include\Canvas.h"
#include "..\..\include\ScrollCanvas.h"
#include "..\..\include\MVC.h"
#include "..\..\include\logfont.h"
#include "CharSet.h"
#include "Resource.h"
class KDBCSMap
{
WCHAR m_map[4096];
int m_size;
public:
KDBCSMap(void)
{
m_size = 0;
}
void Add(WCHAR from, WCHAR to);
int GetSize(void) const
{
return m_size;
}
WCHAR GetRowFirst(int row)
{
return m_map[row];
}
};
void KDBCSMap::Add(WCHAR from, WCHAR to)
{
for (unsigned f=from; f<=to; f+=16)
{
if ( m_size < 4096 )
m_map[m_size++] = (WCHAR) f;
else
assert(FALSE);
}
}
KDBCSMap Map_932;
KDBCSMap Map_936;
KDBCSMap Map_949;
KDBCSMap Map_950;
KDBCSMap Map_UC;
void InitMaps(void)
{
int high;
// Japanese
for (high = 0x8100; high <= 0xFC00; high += 256)
{
if ( (high>0x8400) && (high<0x8700) )
continue;
if ( (high>0x9F00) && (high<0xE000) )
continue;
if ( (high>0xEA00) && (high<0xED00) )
continue;
if ( (high>0xEE00) && (high<0xFA00) )
continue;
int minlow = 0x40;
int maxlow = 0xF0;
switch ( high )
{
case 0x8300: maxlow = 0xD0; break;
case 0x8400: maxlow = 0xB0; break;
case 0x8700: maxlow = 0x90; break;
case 0x8800: minlow = 0x90; break;
case 0xEA00: maxlow = 0xA0; break;
case 0xFC00: maxlow = 0x40; break;
}
Map_932.Add(high + minlow, high + maxlow);
}
// Simplified Chinese
for (high = 0xA100; high <= 0xF700; high += 256)
{
if ( (high>0xA900) && (high<0xB000) )
continue;
int minlow = 0xA0;
int maxlow = 0xF0;
switch ( high )
{
case 0xA200: minlow = 0xB0; break;
case 0xA600: maxlow = 0xD0; break;
case 0xA800:
case 0xA900: maxlow = 0xE0; break;
}
Map_936.Add(high + minlow, high + maxlow);
}
// Traditional Chinese
for (high = 0xA100; high <= 0xF900; high += 256)
{
if ( (high>0xC600) && (high<0xC900) )
continue;
Map_950.Add(high + 0x40, high + 0x70);
int maxlow = 0xF0;
switch ( high )
{
case 0xA300: maxlow = 0xB0; break;
case 0xC600: continue;
}
Map_950.Add(high + 0xA0, high + maxlow);
}
// Korean
for (high = 0x8100; high <= 0xFD00; high+= 256)
{
if ( high==0xC900 )
continue;
int minlow = 0x40;
int maxlow = 0xF0;
if ( high > 0xC700 )
minlow = 0xA0;
switch ( high )
{
case 0xA200:
case 0xA600:
case 0xA700:
maxlow = 0xE0;
break;
case 0xAD00:
case 0xAE00:
case 0xAF00:
maxlow = 0xA0;
break;
case 0xC600:
Map_949.Add(high + 0x40, high + 0x50);
minlow = 0xA0;
}
Map_949.Add(high + minlow, high + maxlow);
}
Map_UC.Add(0x0100, 0x04F0);
Map_UC.Add(0x0530, 0x06F0);
Map_UC.Add(0x0900, 0x0D70);
Map_UC.Add(0x0E00, 0x0FB0);
Map_UC.Add(0x10A0, 0x11F0);
Map_UC.Add(0x1E00, 0x27B0);
Map_UC.Add(0x3000, 0x3190);
Map_UC.Add(0x3200, 0x33F0);
Map_UC.Add(0x4E00, 0x9FF0);
Map_UC.Add(0xAC00, 0xD7A0);
Map_UC.Add(0xD800, 0xFDF0);
Map_UC.Add(0xFE20, 0xFFF0);
/*
Unassigned Blocks
0500..052F (48) {General Scripts Area}
0700..08FF (512) {General Scripts Area}
0D80..0DFF (128) {General Scripts Area}
0FC0..109F (224) {General Scripts Area}
1200..1DFF (3072) {General Scripts Area}
27C0..2FFF (2112) {Symbols Area}
31A0..31FF (96) {CJK Phonetics and Symbols Area}
3400..4DFF (6656) {NO AREA}
A000..ABFF (3072) {NO AREA}
D7B0..D7FF (80) {NO AREA}
FE00..FE1F (32) {Compatibility Area and Specials}
Assigned Blocks
0220..024F (48) [Latin Extended-B]
02F0..02FF (16) [Spacing Modifier Letters]
0350..035F (16) [Combining Diacritical Marks]
0AF0..0AFF (16) [Gujarati]
0C70..0C7F (16) [Telugu]
0CF0..0CFF (16) [Kannada]
0D70..0D7F (16) [Malayalam]
0E60..0E7F (32) [Thai]
0EE0..0EFF (32) [Lao]
2050..205F (16) [General Punctuation]
2090..209F (16) [Superscripts and Subscripts]
20B0..20CF (32) [Currency Symbols]
20F0..20FF (16) [Combining Marks for Symbols]
2140..214F (16) [Letterlike Symbols]
21F0..21FF (16) [Arrows]
2380..23FF (128) [Miscellaneous Technical]
2430..243F (16) [Control Pictures]
2450..245F (16) [Optical Character Recognition]
24F0..24FF (16) [Enclosed Alphanumerics]
25F0..25FF (16) [Geometric Shapes]
2670..26FF (144) [Miscellaneous Symbols]
3250..325F (16) [Enclosed CJK Letters and Months]
9FB0..9FFF (80) [CJK Unified Ideographs]
FA30..FAFF (208) [CJK Compatibility Ideographs]
FBC0..FBCF (16) [Arabic Presentation Forms-A]
FD40..FD4F (16) [Arabic Presentation Forms-A]
FDD0..FDEF (32) [Arabic Presentation Forms-A]
*/
}
BOOL CALLBACK EnumCodePagesProc(LPTSTR lpCodePageString)
{
return TRUE;
}
KCharSetView::KCharSetView(void)
{
InitMaps();
m_width = 40;
m_height = 36;
m_font = 32;
m_row = 16;
m_nCharSet = DEFAULT_CHARSET;
m_hAnsiFont = NULL;
m_nPixelWidth = 16 * m_width + 100;
m_nPixelHeight = m_row * m_height + 100;
EnumSystemCodePages(EnumCodePagesProc, CP_SUPPORTED);
KLogFont ansifont(26, "Times New Roman");
ansifont.SetCharSet(DEFAULT_CHARSET);
m_hAnsiFont = ansifont.Create();
}
int KCharSetView::OnCommand(int cmd, HWND hWnd)
{
BYTE cs = m_nCharSet;
int row = 16;
int width = m_width;
switch ( cmd )
{
case IDM_CP_ANSI: cs = ANSI_CHARSET; break;
case IDM_CP_ARABIC: cs = ARABIC_CHARSET; break;
case IDM_CP_BALTIC: cs = BALTIC_CHARSET; break;
case IDM_CP_EASTEUROPE: cs = EASTEUROPE_CHARSET; break;
case IDM_CP_OEM: cs = OEM_CHARSET; break;
case IDM_CP_MAC: cs = MAC_CHARSET; break;
case IDM_CP_RUSSIAN: cs = RUSSIAN_CHARSET; break;
case IDM_CP_SYMBOL: cs = SYMBOL_CHARSET; break;
case IDM_CP_TURKISH: cs = TURKISH_CHARSET; break;
case IDM_CP_GREEK: cs = GREEK_CHARSET; break;
case IDM_CP_HEBREW: cs = HEBREW_CHARSET; break;
case IDM_CP_THAI: cs = THAI_CHARSET; break;
case IDM_CP_VIETNAMESE: cs = VIETNAMESE_CHARSET; break;
case IDM_CP_CHINESEBIG5: cs = CHINESEBIG5_CHARSET; row += Map_950.GetSize(); break; // (0xF9-0xA1+1)*10; break;
case IDM_CP_GB2312: cs = GB2312_CHARSET; row += Map_936.GetSize(); break; // (0xF7-0xA1+1)* 6; break;
case IDM_CP_SHIFTJIS: cs = SHIFTJIS_CHARSET; row += Map_932.GetSize(); break; // (0xFC-0x81+1)*12; break;
case IDM_CP_HANGUL: cs = HANGUL_CHARSET; row += Map_949.GetSize(); break; // (0xFD-0x81+1)*12; break;
case IDM_CP_UNICODE: cs = UNICODE_CHARSET; row += Map_UC.GetSize(); break; // 256 * 16; break;
case IDM_VIEW_SMALL: width = 20; break;
case IDM_VIEW_MEDIUM: width = 40; break;
case IDM_VIEW_LARGE: width = 60; break;
}
int rslt = View_NoChange;
if ( row != m_row )
{
m_row = row;
m_nPixelWidth = 16 * m_width + 100;
m_nPixelHeight = row * m_height + 100;
rslt = View_Resize;
}
if ( cs!= m_nCharSet )
{
m_nCharSet = cs;
rslt |= View_Redraw;
}
if ( width != m_width )
{
m_width = width;
m_height = width - 4;
m_font = width - 8;
m_nPixelWidth = 16 * m_width + 100;
m_nPixelHeight = m_row * m_height + 100;
rslt = View_Redraw | View_Resize;
}
return rslt;
}
void KCharSetView::DispRow(HDC hDC, int x0, int y0, int y, WCHAR ch, int length)
{
RECT rect = { x0,
y0 + y * m_height,
x0 + 15 * m_width + m_width-1,
y0 + y * m_height + m_height-1 };
if ( ! RectVisible(hDC, & rect) )
return;
char temp[10];
if ( length==1 )
wsprintf(temp, "%02X", ch & 0xFF);
else
wsprintf(temp, "%04X", ch & 0xFFFF);
int align = SetTextAlign(hDC, TA_RIGHT);
HGDIOBJ hOld = SelectObject(hDC, m_hAnsiFont);
TextOut(hDC, rect.left-5, rect.top, temp, strlen(temp));
SelectObject(hDC, hOld);
SetTextAlign(hDC, align);
for (int x=0; x<16; x++)
{
rect.right = rect.left + m_width - 1;
if ( length==1 )
{
char c = (char) (ch + x);
DrawTextA(hDC, & c, 1, & rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
}
else if ( length==2 )
{
char c[2] = { HIBYTE(ch), LOBYTE(ch) + x };
DrawTextA(hDC, c, 2, & rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
}
else
{
WCHAR c = ch + x;
DrawTextW(hDC, & c, 1, & rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
}
rect.left = rect.right + 1;
}
}
int KCharSetView::OnDraw(HDC hdc, const RECT * rcPaint)
{
KLogFont logfont(m_font, "Times New Roman");
if ( m_nCharSet!=UNICODE_CHARSET )
logfont.SetCharSet(m_nCharSet);
else
logfont.SetCharSet(GB2312_CHARSET);
HFONT hFont = logfont.Create();
HGDIOBJ hOld = SelectObject(hdc, hFont);
int x0 = 120; int y0 = 30;
for (int i=0; i<=m_row; i++)
{
MoveToEx(hdc, x0 + 0, y0 + i*m_height, NULL);
LineTo(hdc, x0 + 16*m_width, y0 + i*m_height);
if ( i<=16 )
{
MoveToEx(hdc, x0 + i*m_width, y0 + 0, NULL);
LineTo(hdc, x0 + i*m_width, y0 + m_row*m_height);
}
}
for (int y=0; y<16; y++)
DispRow(hdc, x0, y0, y, y * 16, 1);
// const int MapBIG5[] = { 4, 5, 6, 7, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF };
if ( m_row>16 )
for (y=0; y<(m_row-16); y++)
switch ( m_nCharSet )
{
case GB2312_CHARSET:
// DispRow(hdc, x0, 30+16 * m_height, y, 0xA1 + y/6, 0xA0 + (y%6)*16, 2);
DispRow(hdc, x0, 30+16 * m_height, y, Map_936.GetRowFirst(y), 2);
break;
case SHIFTJIS_CHARSET:
DispRow(hdc, x0, 30+16 * m_height, y, Map_932.GetRowFirst(y), 2);
// DispRow(hdc, x0, 30+16 * m_height, y, 0x81 + y/12, 0x40 + (y%12)*16, 2);
break;
case CHINESEBIG5_CHARSET:
DispRow(hdc, x0, 30+16 * m_height, y, Map_950.GetRowFirst(y), 2);
// DispRow(hdc, x0, 30+16 * m_height, y, 0xA1 + y/10, MapBIG5[y%10]*16, 2);
break;
case HANGUL_CHARSET:
// DispRow(hdc, x0, 30+16 * m_height, y, 0xA1 + y/12, 0x40 + (y%12)*16, 2);
DispRow(hdc, x0, 30+16 * m_height, y, Map_949.GetRowFirst(y), 2);
break;
case UNICODE_CHARSET:
DispRow(hdc, x0, 30+16 * m_height, y, Map_UC.GetRowFirst(y), 3);
}
SelectObject(hdc, hOld);
DeleteObject(hFont);
return View_NoChange;
}
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