void iupDrawText(IdrawCanvas* dc, const char* text, int len, int x, int y, unsigned char r, unsigned char g, unsigned char b, const char* font)
{
int num_line;
HFONT hOldFont, hFont = (HFONT)iupwinGetHFont(font);
SetTextColor(dc->hBitmapDC, RGB(r, g, b));
hOldFont = SelectObject(dc->hBitmapDC, hFont);
num_line = iupStrLineCount(text);
if (num_line == 1)
{
TCHAR* wtext = iupwinStrToSystemLen(text, &len);
TextOut(dc->hBitmapDC, x, y, wtext, len);
}
else
{
int i, line_height, len;
const char *p, *q;
TCHAR* wtext;
TEXTMETRIC tm;
GetTextMetrics(dc->hBitmapDC, &tm);
line_height = tm.tmHeight;
p = text;
for (i = 0; i < num_line; i++)
{
q = strchr(p, '\n');
if (q)
len = (int)(q - p); /* Cut the string to contain only one line */
else
len = (int)strlen(p); /* use the remaining characters */
/* Draw the line */
wtext = iupwinStrToSystemLen(p, &len);
TextOut(dc->hBitmapDC, x, y, wtext, len);
/* Advance the string */
if (q)
p = q + 1;
/* Advance a line */
y += line_height;
}
}
SelectObject(dc->hBitmapDC, hOldFont);
}
int iupdrvFontGetStringWidth(Ihandle* ih, const char* str)
{
HDC hdc;
HFONT oldhfont, hFont;
SIZE size;
int len;
char* line_end;
TCHAR* wstr;
if (!str || str[0]==0)
return 0;
hFont = (HFONT)iupwinGetHFontAttrib(ih);
if (!hFont)
return 0;
hdc = winFontGetDC(ih);
oldhfont = SelectObject(hdc, hFont);
line_end = strchr(str, '\n');
if (line_end)
len = line_end-str;
else
len = strlen(str);
wstr = iupwinStrToSystemLen(str, &len);
GetTextExtentPoint32(hdc, wstr, len, &size);
SelectObject(hdc, oldhfont);
winFontReleaseDC(ih, hdc);
return size.cx;
}
