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richedit: Documented paragraph border widths are in points not pixels. 

The border widths documented by msdn are in points which are 72 dpi, which
is not equivalent to pixels (normally 96 dpi). I pre-converted all the
border widths to 96 dpi resolution since this avoids needed to store
fractions, and often avoids the need for convertion to the displays
resolution.
This commit is contained in:
Dylan Smith 2010-02-27 13:31:02 -05:00 committed by Alexandre Julliard
parent 583f0f08ed
commit 1f2575ba7c
3 changed files with 29 additions and 32 deletions
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2
dlls/riched20/editor.h
View File

@ -229,7 +229,7 @@ void ME_ScrollRight(ME_TextEditor *editor, int cx);
void ME_UpdateScrollBar(ME_TextEditor *editor);
/* other functions in paint.c */
int ME_GetParaBorderWidth(ME_TextEditor *editor, int);
int ME_GetParaBorderWidth(ME_Context *c, int flags);
/* richole.c */
LRESULT CreateIRichEditOle(ME_TextEditor *editor, LPVOID *);

57
dlls/riched20/paint.c
View File

@ -461,19 +461,21 @@ static void ME_DrawRun(ME_Context *c, int x, int y, ME_DisplayItem *rundi, ME_Pa
}
}
static const struct {unsigned width_num : 4, width_den : 4, pen_style : 4, dble : 1;} border_details[] = {
/* none */ {0, 1, PS_SOLID, FALSE},
/* 3/4 */ {3, 4, PS_SOLID, FALSE},
/* 1 1/2 */ {3, 2, PS_SOLID, FALSE},
/* 2 1/4 */ {9, 4, PS_SOLID, FALSE},
/* 3 */ {3, 1, PS_SOLID, FALSE},
/* 4 1/2 */ {9, 2, PS_SOLID, FALSE},
/* 6 */ {6, 1, PS_SOLID, FALSE},
/* 3/4 double */ {3, 4, PS_SOLID, TRUE},
/* 1 1/2 double */ {3, 2, PS_SOLID, TRUE},
/* 2 1/4 double */ {9, 4, PS_SOLID, TRUE},
/* 3/4 gray */ {3, 4, PS_DOT /* FIXME */, FALSE},
/* 1 1/2 dashed */ {3, 2, PS_DASH, FALSE},
/* The documented widths are in points (72 dpi), but converting them to
* 96 dpi (standard display resolution) avoids dealing with fractions. */
static const struct {unsigned width : 8, pen_style : 4, dble : 1;} border_details[] = {
/* none */ {0, PS_SOLID, FALSE},
/* 3/4 */ {1, PS_SOLID, FALSE},
/* 1 1/2 */ {2, PS_SOLID, FALSE},
/* 2 1/4 */ {3, PS_SOLID, FALSE},
/* 3 */ {4, PS_SOLID, FALSE},
/* 4 1/2 */ {6, PS_SOLID, FALSE},
/* 6 */ {8, PS_SOLID, FALSE},
/* 3/4 double */ {1, PS_SOLID, TRUE},
/* 1 1/2 double */ {2, PS_SOLID, TRUE},
/* 2 1/4 double */ {3, PS_SOLID, TRUE},
/* 3/4 gray */ {1, PS_DOT /* FIXME */, FALSE},
/* 1 1/2 dashed */ {2, PS_DASH, FALSE},
};
static const COLORREF pen_colors[16] = {
@ -487,25 +489,20 @@ static const COLORREF pen_colors[16] = {
/* Dark gray */ RGB(0x80, 0x80, 0x80), /* Light gray */ RGB(0xc0, 0xc0, 0xc0),
};
static int ME_GetBorderPenWidth(ME_TextEditor* editor, int idx)
static int ME_GetBorderPenWidth(ME_Context* c, int idx)
{
int width;
int width = border_details[idx].width;
if (c->dpi.cx != 96)
width = MulDiv(width, c->dpi.cx, 96);
if (c->editor->nZoomNumerator != 0)
width = MulDiv(width, c->editor->nZoomNumerator, c->editor->nZoomDenominator);
if (editor->nZoomNumerator == 0)
{
width = border_details[idx].width_num + border_details[idx].width_den / 2;
width /= border_details[idx].width_den;
}
else
{
width = border_details[idx].width_num * editor->nZoomNumerator;
width += border_details[idx].width_den * editor->nZoomNumerator / 2;
width /= border_details[idx].width_den * editor->nZoomDenominator;
}
return width;
}
int ME_GetParaBorderWidth(ME_TextEditor* editor, int flags)
int ME_GetParaBorderWidth(ME_Context* c, int flags)
{
int idx = (flags >> 8) & 0xF;
int width;
@ -515,7 +512,7 @@ int ME_GetParaBorderWidth(ME_TextEditor* editor, int flags)
FIXME("Unsupported border value %d\n", idx);
return 0;
}
width = ME_GetBorderPenWidth(editor, idx);
width = ME_GetBorderPenWidth(c, idx);
if (border_details[idx].dble) width = width * 2 + 1;
return width;
}
@ -565,7 +562,7 @@ static void ME_DrawParaDecoration(ME_Context* c, ME_Paragraph* para, int y, RECT
*/
if (para->pFmt->wBorders & 0x00B0)
FIXME("Unsupported border flags %x\n", para->pFmt->wBorders);
border_width = ME_GetParaBorderWidth(c->editor, para->pFmt->wBorders);
border_width = ME_GetParaBorderWidth(c, para->pFmt->wBorders);
if (para->pFmt->wBorders & 4) top_border = border_width;
if (para->pFmt->wBorders & 8) bottom_border = border_width;
}
@ -607,7 +604,7 @@ static void ME_DrawParaDecoration(ME_Context* c, ME_Paragraph* para, int y, RECT
rightEdge = c->pt.x + max(c->editor->sizeWindow.cx,
c->editor->nTotalWidth);
pen_width = ME_GetBorderPenWidth(c->editor, idx);
pen_width = ME_GetBorderPenWidth(c, idx);
pen = CreatePen(border_details[idx].pen_style, pen_width, pencr);
oldpen = SelectObject(c->hDC, pen);
MoveToEx(c->hDC, 0, 0, &pt);

2
dlls/riched20/wrap.c
View File

@ -522,7 +522,7 @@ static void ME_WrapTextParagraph(ME_Context *c, ME_DisplayItem *tp) {
if (!(pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE) &&
pFmt->dwMask & PFM_BORDER)
{
border = ME_GetParaBorderWidth(c->editor, tp->member.para.pFmt->wBorders);
border = ME_GetParaBorderWidth(c, tp->member.para.pFmt->wBorders);
if (pFmt->wBorders & 1) {
wc.nFirstMargin += border;
wc.nLeftMargin += border;