void CFontDisplay::drawCNString(const char* str)
{
int len, i;
wchar_t* wstring;
HDC hDC = wglGetCurrentDC();
GLuint list = glGenLists(1);
// 计算字符的个数
// 如果是双字节字符的（比如中文字符），两个字节才算一个字符
// 否则一个字节算一个字符
len = 0;
for(i=0; str[i]!='\0'; ++i)
{
if( IsDBCSLeadByte(str[i]) )
++i;
++len;
}
// 将混合字符转化为宽字符
wstring = (wchar_t*)malloc((len+1) * sizeof(wchar_t));
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, str, -1, wstring, len);
wstring[len] = L'\0';
// 逐个输出字符
for(i=0; i<len; ++i)
{
wglUseFontBitmapsW(hDC, wstring[i], 1, list);
glCallList(list);
}
// 回收所有临时资源
free(wstring);
glDeleteLists(list, 1);
}
void Window::drawString(string str) {
int len = 0;
wchar_t* wstring;
HDC hDC = wglGetCurrentDC();
for (int i = 0; str[i] != '\0'; ++i)
{
if (IsDBCSLeadByte(str[i]))
++i;
++len;
}
GLuint list = glGenLists(1);
// 将混合字符转化为宽字符
wstring = (wchar_t*)malloc((len + 1) * sizeof(wchar_t));
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, str.c_str(), -1, wstring, len);
wstring[len] = L'\0';
// 逐个输出字符
for (int i = 0; i < len; ++i)
{
wglUseFontBitmapsW(hDC, wstring[i], 1, list);
glCallList(list);
}
// 回收所有临时资源
free(wstring);
glDeleteLists(list, 1);
}
//-----------------------------------------------------------------------------
//! ワイド文字列の描画
//-----------------------------------------------------------------------------
void GLFont::DrawStringW(s32 x, s32 y, s32 z, wchar_t* format, ...)
{
SelectObject(Hdc, Hfont);
wchar_t buf[256];
va_list ap;
int Length = 0;
_list = 0;
// ポインタがNULLの場合は終了
if( format == NULL )
{
return;
}
// 文字列変換
va_start(ap, format);
vswprintf_s(buf, format, ap);
va_end(ap);
Length = wcslen(buf);
_list = glGenLists(Length);
for( s32 i=0; i<Length; i++ )
{
// 文字のビットマップをディスプレイリストとして作成
wglUseFontBitmapsW(Hdc, buf[i], 1, _list + (DWORD)i );
/*glNewList(_list + i, GL_COMPILE);
glEndList();*/
}
glDisable(GL_LIGHTING); // 文字色を出すために光源を無効化
// 描画位置の設定
glRasterPos3i(x, y, z);
// ディスプレイリストで描画
for( s32 i=0; i<Length; i++ )
{
glCallList( _list+i);
}
glEnable(GL_LIGHTING); // 光源を有効化
// ディスプレイリスト破棄
glDeleteLists(_list, Length);
_list = 0;
//Length = 0;
}
//ワイド文字列の描画
void Font::draw(int x,int y,wchar_t *format, ...)
{
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(0, getWindowWidth(), getWindowHeight(), 0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glColor4f(color.r, color.g, color.b, color.a);
wchar_t buf[256];
va_list ap;
int Length=0;
int list=0;
//ポインタがNULLの場合は終了
if ( format == NULL ) return;
//文字列変換
va_start(ap, format);
vswprintf_s(buf, format, ap);
va_end(ap);
Length = wcslen(buf);
list = glGenLists(Length);
for( int i=0; i<Length; i++ ) {
wglUseFontBitmapsW(Hdc, buf[i], 1, list + (DWORD)i);
}
glDisable(GL_LIGHTING);
glRasterPos2i(x, y);
//ディスプレイリストで描画
for( int i=0; i<Length; i++ ) {
glCallList(list + i);
}
glEnable(GL_LIGHTING);
//ディスプレイリスト破棄
glDeleteLists(list, Length);
list = 0;
Length = 0;
glPopMatrix();
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
}
void CLineComputeView::glDrawCnString(CString str, GLfloat *position) {
int len = str.GetLength();
HDC hDC = wglGetCurrentDC();
GLuint list = glGenLists(1);
// 逐个输出字符
glTranslatef(position[0], position[1], position[2]);
glRasterPos2f(0.0f, 0.05f);
for(int i=0; i<len; ++i)
{
wglUseFontBitmapsW(hDC, str[i], 1, list);
glCallList(list);
}
glTranslatef(-position[0], -position[1], -position[2]);
glDeleteLists(list, 1);
}
static int
test_function(HDC hdc)
{
bool pass = true;
HGLRC ctx;
GLuint dlist[2] = {100, 101};
const char *string = "some string";
ctx = wglCreateContext(hdc);
if (!ctx) {
fprintf(stderr, "Failed to create wgl context\n");
return 1;
}
if (!wglMakeCurrent(hdc, ctx)) {
fprintf(stderr, "Failed to make context current\n");
return 1;
}
/* First, use the #ifdeffed variant of the function */
wglUseFontBitmaps(hdc, 0, 255, dlist[1]);
glListBase(dlist[1]);
glCallLists(strlen(string), GL_UNSIGNED_BYTE, string);
/* Now, use the specific version, manually. */
#ifdef UNICODE
wglUseFontBitmapsW(hdc, 0, 255, dlist[2]);
#else
wglUseFontBitmapsA(hdc, 0, 255, dlist[2]);
#endif
glListBase(dlist[2]);
glCallLists(strlen(string), GL_UNSIGNED_BYTE, string);
wglMakeCurrent(NULL, NULL);
wglDeleteContext(ctx);
return !pass;
}
void KH::TextDrawer::Out(const char * str)
{
//DrawEngString(str);return;
int len=0, i=0; wchar_t * wstring;
HDC hDC=wglGetCurrentDC();
GLuint list=glGenLists( 1 ); //计算字符的个数
// 如果是双字节字符的（比如中文字符），两个字节才算一个字符
// 否则一个字节算一个字符
for( i=0; str[i]!='\0'; i++ ) { //判断字符str[i]是否由两个字节组成
if( IsDBCSLeadByte( str[i] ))
i++;
len++;
} //将混合字符转化为宽字符
wstring=(wchar_t*)malloc((len+1)*sizeof(wchar_t));
MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, str, -1, wstring, len );
wstring[len]=L'\0'; //逐个输出字符
for( i=0; i<len; i++ ) {
wglUseFontBitmapsW( hDC, wstring[i], 1, list );
glCallList( list );
} //资源回收
free( wstring );
glDeleteLists( list, 1 );
}
int glPrintf(const char *format, ...)
{
DWORD fdwCharSet = CHINESEBIG5_CHARSET;
char szFace[] = "Courier New";
int nHeight = 16;
char buffer[65536];
va_list args;
va_start(args, format);
vsprintf_s(buffer, format, args);
va_end(args);
static GLuint base = 0;
static bool loaded[65536] = { 0 };
static HFONT hFont;
if (base == 0)
{
base = glGenLists(65536);
hFont = CreateFont(nHeight, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, fdwCharSet,
OUT_TT_PRECIS, CLIP_DEFAULT_PRECIS, ANTIALIASED_QUALITY,
FF_DONTCARE | DEFAULT_PITCH, (LPCWSTR)szFace);
}
float p0[4], p1[4], c0[2][4] = { { 0, 0, 0, 1 }, { 1, 1, 1, 1 } };
int i, j, len, offset[2] = { 1, 0 };
wchar_t *wstr;
GLint viewport[4];
HDC hdc = 0;
glGetIntegerv(GL_VIEWPORT, viewport);
glGetFloatv(GL_CURRENT_RASTER_POSITION, p0);
glPushAttrib(GL_LIGHTING_BIT | GL_DEPTH_BUFFER_BIT);
glDisable(GL_LIGHTING);
glDisable(GL_DEPTH_TEST);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(0, viewport[2], 0, viewport[3]);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
static int x0 = 0, y0 = 0;
if (memcmp(buffer, ">>glut", 6) == 0)
{
sscanf_s(buffer, ">>glut(%i,%i)", &x0, &y0);
glRasterPos2f(4, viewport[3] - nHeight);
glRasterPos2f(4, viewport[3] - nHeight);
}
else if (strcmp(buffer, ">>free") == 0)
{
glDeleteLists(base, 65536); base = 0;
memset(loaded, 0, 65536 * sizeof(bool));
DeleteObject(hFont);
}
else
{
glRasterPos2f(p0[0], p0[1]);
glGetFloatv(GL_CURRENT_RASTER_COLOR, c0[1]);
len = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, buffer, -1, 0, 0);
wstr = (wchar_t*)malloc(len*sizeof(wchar_t));
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, buffer, -1, wstr, len);
for (j = 0; j<2; j++)
{
glColor4fv(c0[j]);
glRasterPos2f(p0[0] + offset[j], p0[1] - offset[j]);
for (i = 0; i<len - 1; i++)
{
if (wstr[i] == '\n')
{
glGetFloatv(GL_CURRENT_RASTER_POSITION, (float*)&p1);
glRasterPos2f(4 + x0 + offset[j], p1[1] - (nHeight + 2));
}
else
{
if (!loaded[wstr[i]])
{
if (hdc == 0)
{
hdc = wglGetCurrentDC();
SelectObject(hdc, hFont);
}
wglUseFontBitmapsW(hdc, wstr[i], 1, base + wstr[i]);
loaded[wstr[i]] = true;
}
glCallList(base + wstr[i]);
}
}
}
free(wstr);
}
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glPopAttrib();
return 0;
}
