/******************************************************************************
* ME_GetRunSizeCommon
*
* Finds width, height, ascent and descent of a run, up to given character
* (nLen).
*/
SIZE ME_GetRunSizeCommon(ME_Context *c, const ME_Paragraph *para, ME_Run *run, int nLen,
int startx, int *pAscent, int *pDescent)
{
SIZE size;
WCHAR spaceW[] = {' ',0};
nLen = min( nLen, run->len );
if (run->nFlags & MERF_ENDPARA)
{
nLen = min( nLen, 1 );
ME_GetTextExtent(c, spaceW, nLen, run->style, &size);
}
else if (para->nFlags & MEPF_COMPLEX)
{
size.cx = run->nWidth;
}
else if (c->editor->cPasswordMask)
{
ME_String *szMasked = ME_MakeStringR(c->editor->cPasswordMask,nLen);
ME_GetTextExtent(c, szMasked->szData, nLen,run->style, &size);
ME_DestroyString(szMasked);
}
else
{
ME_GetTextExtent(c, get_text( run, 0 ), nLen, run->style, &size);
}
*pAscent = run->style->tm.tmAscent;
*pDescent = run->style->tm.tmDescent;
size.cy = *pAscent + *pDescent;
if (run->nFlags & MERF_TAB)
{
int pos = 0, i = 0, ppos, shift = 0;
const PARAFORMAT2 *pFmt = ¶->fmt;
if (c->editor->bEmulateVersion10 && /* v1.0 - 3.0 */
pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE)
/* The horizontal gap shifts the tab positions to leave the gap. */
shift = pFmt->dxOffset * 2;
do {
if (i < pFmt->cTabCount)
{
/* Only one side of the horizontal gap is needed at the end of
* the table row. */
if (i == pFmt->cTabCount -1)
shift = shift >> 1;
pos = shift + (pFmt->rgxTabs[i]&0x00FFFFFF);
i++;
}
else
{
pos += lDefaultTab - (pos % lDefaultTab);
}
ppos = ME_twips2pointsX(c, pos);
if (ppos > startx + run->pt.x) {
size.cx = ppos - startx - run->pt.x;
break;
}
} while(1);
/******************************************************************************
* ME_GetRunSizeCommon
*
* Finds width, height, ascent and descent of a run, up to given character
* (nLen).
*/
SIZE ME_GetRunSizeCommon(ME_Context *c, const ME_Paragraph *para, ME_Run *run, int nLen,
int startx, int *pAscent, int *pDescent)
{
SIZE size;
int nMaxLen = run->len;
if (nLen>nMaxLen)
nLen = nMaxLen;
/* FIXME the following call also ensures that TEXTMETRIC structure is filled
* this is wasteful for MERF_NONTEXT runs, but that shouldn't matter
* in practice
*/
if (c->editor->cPasswordMask)
{
ME_String *szMasked = ME_MakeStringR(c->editor->cPasswordMask,nLen);
ME_GetTextExtent(c, szMasked->szData, nLen,run->style, &size);
ME_DestroyString(szMasked);
}
else
{
ME_GetTextExtent(c, get_text( run, 0 ), nLen, run->style, &size);
}
*pAscent = run->style->tm.tmAscent;
*pDescent = run->style->tm.tmDescent;
size.cy = *pAscent + *pDescent;
if (run->nFlags & MERF_TAB)
{
int pos = 0, i = 0, ppos, shift = 0;
PARAFORMAT2 *pFmt = para->pFmt;
if (c->editor->bEmulateVersion10 && /* v1.0 - 3.0 */
pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE)
/* The horizontal gap shifts the tab positions to leave the gap. */
shift = pFmt->dxOffset * 2;
do {
if (i < pFmt->cTabCount)
{
/* Only one side of the horizontal gap is needed at the end of
* the table row. */
if (i == pFmt->cTabCount -1)
shift = shift >> 1;
pos = shift + (pFmt->rgxTabs[i]&0x00FFFFFF);
i++;
}
else
{
pos += lDefaultTab - (pos % lDefaultTab);
}
ppos = ME_twips2pointsX(c, pos);
if (ppos > startx + run->pt.x) {
size.cx = ppos - startx - run->pt.x;
break;
}
} while(1);
/******************************************************************************
* ME_PointFromCharContext
*
* Returns a run-relative pixel position given a run-relative character
* position (character offset)
*/
int ME_PointFromCharContext(ME_Context *c, ME_Run *pRun, int nOffset, BOOL visual_order)
{
SIZE size;
ME_String *mask_text = NULL;
WCHAR *str;
if (pRun->nFlags & MERF_GRAPHICS)
{
if (nOffset)
ME_GetOLEObjectSize(c, pRun, &size);
return nOffset != 0;
} else if (pRun->nFlags & MERF_ENDPARA) {
nOffset = 0;
}
if (pRun->para->nFlags & MEPF_COMPLEX)
{
int x;
ScriptCPtoX( nOffset, FALSE, pRun->len, pRun->num_glyphs, pRun->clusters,
pRun->vis_attrs, pRun->advances, &pRun->script_analysis, &x );
if (visual_order && pRun->script_analysis.fRTL) x = pRun->nWidth - x - 1;
return x;
}
if (c->editor->cPasswordMask)
{
mask_text = ME_MakeStringR(c->editor->cPasswordMask, pRun->len);
str = mask_text->szData;
}
else
str = get_text( pRun, 0 );
ME_GetTextExtent(c, str, nOffset, pRun->style, &size);
ME_DestroyString( mask_text );
return size.cx;
}
/******************************************************************************
* ME_PointFromCharContext
*
* Returns a run-relative pixel position given a run-relative character
* position (character offset)
*/
int ME_PointFromCharContext(ME_Context *c, ME_Run *pRun, int nOffset, BOOL visual_order)
{
SIZE size;
ME_String *mask_text = NULL;
WCHAR *str;
if (pRun->nFlags & MERF_GRAPHICS)
{
if (nOffset)
ME_GetOLEObjectSize(c, pRun, &size);
return nOffset != 0;
} else if (pRun->nFlags & MERF_ENDPARA) {
nOffset = 0;
}
if (c->editor->cPasswordMask)
{
mask_text = ME_MakeStringR(c->editor->cPasswordMask, pRun->len);
str = mask_text->szData;
}
else
str = get_text( pRun, 0 );
ME_GetTextExtent(c, str, nOffset, pRun->style, &size);
ME_DestroyString( mask_text );
return size.cx;
}
