Vincent Povirk : gdiplus: Scale all points in GdipAddPathString instead of the font.
Module: wine Branch: master Commit: cae52d078a871f184653da7ff171b337b2848e21 URL: http://source.winehq.org/git/wine.git/?a=commit;h=cae52d078a871f184653da7ff1... Author: Vincent Povirk <vincent(a)codeweavers.com> Date: Thu Jun 21 15:31:27 2012 -0500 gdiplus: Scale all points in GdipAddPathString instead of the font. --- dlls/gdiplus/graphicspath.c | 46 +++++++++++++++++++++++++++++-------------- 1 files changed, 31 insertions(+), 15 deletions(-) diff --git a/dlls/gdiplus/graphicspath.c b/dlls/gdiplus/graphicspath.c index f61d588..3095c08 100644 --- a/dlls/gdiplus/graphicspath.c +++ b/dlls/gdiplus/graphicspath.c @@ -840,7 +840,8 @@ static float fromfixedpoint(const FIXED v) struct format_string_args { GpPath *path; - UINT maxY; + float maxY; + float scale; }; static GpStatus format_string_callback(HDC dc, @@ -853,8 +854,8 @@ static GpStatus format_string_callback(HDC dc, struct format_string_args *args = priv; GpPath *path = args->path; GpStatus status = Ok; - float x = bounds->X; - float y = bounds->Y; + float x = rect->X + (bounds->X - rect->X) * args->scale; + float y = rect->Y + (bounds->Y - rect->Y) * args->scale; int i; if (underlined_index_count) @@ -866,7 +867,7 @@ static GpStatus format_string_callback(HDC dc, TTPOLYGONHEADER *ph = NULL; char *start; DWORD len, ofs = 0; - UINT bb_end; + float bb_end; len = GetGlyphOutlineW(dc, string[i], GGO_BEZIER, &gm, 0, NULL, &identity); if (len == GDI_ERROR) { @@ -881,7 +882,7 @@ static GpStatus format_string_callback(HDC dc, break; } GetGlyphOutlineW(dc, string[i], GGO_BEZIER, &gm, len, start, &identity); - bb_end = gm.gmBlackBoxY + gm.gmptGlyphOrigin.y; + bb_end = (gm.gmBlackBoxY + gm.gmptGlyphOrigin.y) * args->scale; if (bb_end + y > args->maxY) args->maxY = bb_end + y; @@ -891,8 +892,8 @@ static GpStatus format_string_callback(HDC dc, DWORD ofs_start = ofs; ph = (TTPOLYGONHEADER*)&start[ofs]; path->pathdata.Types[path->pathdata.Count] = PathPointTypeStart; - path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(ph->pfxStart.x); - path->pathdata.Points[path->pathdata.Count++].Y = y + bb_end - fromfixedpoint(ph->pfxStart.y); + path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(ph->pfxStart.x) * args->scale; + path->pathdata.Points[path->pathdata.Count++].Y = y + bb_end - fromfixedpoint(ph->pfxStart.y) * args->scale; TRACE("Starting at count %i with pos %f, %f)\n", path->pathdata.Count, x, y); ofs += sizeof(*ph); while (ofs - ofs_start < ph->cb) @@ -907,16 +908,16 @@ static GpStatus format_string_callback(HDC dc, for (j = 0; j < curve->cpfx; ++j) { path->pathdata.Types[path->pathdata.Count] = PathPointTypeLine; - path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(curve->apfx[j].x); - path->pathdata.Points[path->pathdata.Count++].Y = y + bb_end - fromfixedpoint(curve->apfx[j].y); + path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(curve->apfx[j].x) * args->scale; + path->pathdata.Points[path->pathdata.Count++].Y = y + bb_end - fromfixedpoint(curve->apfx[j].y) * args->scale; } break; case TT_PRIM_CSPLINE: for (j = 0; j < curve->cpfx; ++j) { path->pathdata.Types[path->pathdata.Count] = PathPointTypeBezier; - path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(curve->apfx[j].x); - path->pathdata.Points[path->pathdata.Count++].Y = y + bb_end - fromfixedpoint(curve->apfx[j].y); + path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(curve->apfx[j].x) * args->scale; + path->pathdata.Points[path->pathdata.Count++].Y = y + bb_end - fromfixedpoint(curve->apfx[j].y) * args->scale; } break; default: @@ -927,8 +928,8 @@ static GpStatus format_string_callback(HDC dc, path->pathdata.Types[path->pathdata.Count - 1] |= PathPointTypeCloseSubpath; } path->newfigure = TRUE; - x += gm.gmCellIncX; - y += gm.gmCellIncY; + x += gm.gmCellIncX * args->scale; + y += gm.gmCellIncY * args->scale; GdipFree(ph); if (status != Ok) @@ -948,12 +949,24 @@ GpStatus WINGDIPAPI GdipAddPathString(GpPath* path, GDIPCONST WCHAR* string, INT GpPath *backup; struct format_string_args args; int i; + UINT16 native_height; + RectF scaled_layout_rect; + TEXTMETRICW textmetric; FIXME("(%p, %s, %d, %p, %d, %f, %p, %p): stub\n", path, debugstr_w(string), length, family, style, emSize, layoutRect, format); if (!path || !string || !family || !emSize || !layoutRect || !format) return InvalidParameter; - status = GdipCreateFont(family, emSize, style, UnitPixel, &font); + status = GdipGetEmHeight(family, style, &native_height); + if (status != Ok) + return status; + + scaled_layout_rect.X = layoutRect->X; + scaled_layout_rect.Y = layoutRect->Y; + scaled_layout_rect.Width = layoutRect->Width * native_height / emSize; + scaled_layout_rect.Height = layoutRect->Height * native_height / emSize; + + status = GdipCreateFont(family, native_height, style, UnitPixel, &font); if (status != Ok) return status; @@ -974,9 +987,12 @@ GpStatus WINGDIPAPI GdipAddPathString(GpPath* path, GDIPCONST WCHAR* string, INT dc = CreateCompatibleDC(0); SelectObject(dc, hfont); + GetTextMetricsW(dc, &textmetric); + args.path = path; args.maxY = 0; - status = gdip_format_string(dc, string, length, NULL, layoutRect, format, format_string_callback, &args); + args.scale = emSize / native_height; + status = gdip_format_string(dc, string, length, NULL, &scaled_layout_rect, format, format_string_callback, &args); DeleteDC(dc); DeleteObject(hfont);
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Alexandre Julliard