/*
* device_MetricInfo should return height, depth, and
* width information for the given character in DEVICE
* units.
* Note: in an 8-bit locale, c is 'char'.
* In an mbcslocale, it is wchar_t, and at least some
* of code assumes that is UCS-2 (Windows, true) or UCS-4.
* This is used for formatting mathematical expressions
* and for exact centering of text (see GText)
* If the device cannot provide metric information then
* it MUST return 0.0 for ascent, descent, and width.
*
* R_GE_gcontext parameters that should be honoured (if possible):
* font, cex, ps
*/
static void SWF_MetricInfo( int c, const pGEcontext plotParams,
double *ascent, double *descent, double *width, pDevDesc deviceInfo ){
/* Shortcut pointers to variables of interest. */
swfDevDesc *swfInfo = (swfDevDesc *) deviceInfo->deviceSpecific;
if( swfInfo->debug == TRUE ){
fprintf(swfInfo->logFile,
"SWF_MetricInfo:");
fflush(swfInfo->logFile);
}
SWFText text_object = newSWFText();
//char *s;
//sprintf(s, "%c", c);
// Tell the text object to use the font previously loaded
SWFText_setFont(text_object, swfInfo->ss);
// Set the height of the text
SWFText_setHeight(text_object, plotParams->ps * plotParams->cex);
// Add a string to the text object
//FIXME!!! pass real character.
SWFText_addString(text_object, "a", NULL);
double a = SWFText_getAscent(text_object);
double d = SWFText_getDescent(text_object);
double w = SWFText_getStringWidth(text_object, "a");
if( swfInfo->debug == TRUE ){
fprintf(swfInfo->logFile,
"Calculated Ascent=%5.2f, Decent=%5.2f, Width=%5.2f\n",
a, d, w);
fflush(swfInfo->logFile);
}
*ascent = a;
*descent = d;
*width = w;
destroySWFText(text_object);
}
EXPORT BOOL WINAPI t_getAscent(float *p1, int p2, int p3, int p4)
{
lstrcpy(funcname, "t_getAscent");
*p1 = SWFText_getAscent(mhsp_text);
return 0;
}
