Maarten Lankhorst : gdiplus: Implement GdipAddPathString.
Module: wine Branch: master Commit: b8a1e6c68791ca6e8d583cd2f99d36da498a2ac4 URL: http://source.winehq.org/git/wine.git/?a=commit;h=b8a1e6c68791ca6e8d583cd2f9... Author: Maarten Lankhorst <m.b.lankhorst(a)gmail.com> Date: Thu Feb 17 11:06:43 2011 +0100 gdiplus: Implement GdipAddPathString. --- dlls/gdiplus/gdiplus_private.h | 10 ++ dlls/gdiplus/graphics.c | 7 +-- dlls/gdiplus/graphicspath.c | 179 +++++++++++++++++++++++++++++++++++++++- 3 files changed, 186 insertions(+), 10 deletions(-) diff --git a/dlls/gdiplus/gdiplus_private.h b/dlls/gdiplus/gdiplus_private.h index 42e28fa..68998df 100644 --- a/dlls/gdiplus/gdiplus_private.h +++ b/dlls/gdiplus/gdiplus_private.h @@ -397,4 +397,14 @@ struct GpRegion{ region_element node; }; +typedef GpStatus (*gdip_format_string_callback)(HDC hdc, + GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font, + GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, + INT lineno, const RectF *bounds, void *user_data); + +GpStatus gdip_format_string(HDC hdc, + GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font, + GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, + gdip_format_string_callback callback, void *user_data); + #endif diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c index 5f226e9..43513c8 100644 --- a/dlls/gdiplus/graphics.c +++ b/dlls/gdiplus/graphics.c @@ -3989,12 +3989,7 @@ GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT w return GdipIsVisibleRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, result); } -typedef GpStatus (*gdip_format_string_callback)(HDC hdc, - GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font, - GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, - INT lineno, const RectF *bounds, void *user_data); - -static GpStatus gdip_format_string(HDC hdc, +GpStatus gdip_format_string(HDC hdc, GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, gdip_format_string_callback callback, void *user_data) diff --git a/dlls/gdiplus/graphicspath.c b/dlls/gdiplus/graphicspath.c index 5a68147..992bd7c 100644 --- a/dlls/gdiplus/graphicspath.c +++ b/dlls/gdiplus/graphicspath.c @@ -831,16 +831,187 @@ GpStatus WINGDIPAPI GdipAddPathPolygonI(GpPath *path, GDIPCONST GpPoint *points, return status; } +static float fromfixedpoint(const FIXED v) +{ + float f = ((float)v.fract) / (1<<(sizeof(v.fract)*8)); + f += v.value; + return f; +} + +struct format_string_args +{ + GpPath *path; + UINT maxY; +}; + +static GpStatus format_string_callback(HDC dc, + GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font, + GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, + INT lineno, const RectF *bounds, void *priv) +{ + static const MAT2 identity = { {0,1}, {0,0}, {0,0}, {0,1} }; + struct format_string_args *args = priv; + GpPath *path = args->path; + GpStatus status = Ok; + float x = bounds->X; + float y = bounds->Y; + int i; + + for (i = index; i < length; ++i) + { + GLYPHMETRICS gm; + TTPOLYGONHEADER *ph = NULL; + char *start; + DWORD len, ofs = 0; + UINT bb_end; + len = GetGlyphOutlineW(dc, string[i], GGO_BEZIER, &gm, 0, NULL, &identity); + if (len == GDI_ERROR) + { + status = GenericError; + break; + } + ph = GdipAlloc(len); + start = (char *)ph; + if (!ph || !lengthen_path(path, len / sizeof(POINTFX))) + { + status = OutOfMemory; + break; + } + GetGlyphOutlineW(dc, string[i], GGO_BEZIER, &gm, len, start, &identity); + bb_end = gm.gmBlackBoxY + gm.gmptGlyphOrigin.y; + if (bb_end + y > args->maxY) + args->maxY = bb_end + y; + + ofs = 0; + while (ofs < len) + { + 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); + TRACE("Starting at count %i with pos %f, %f)\n", path->pathdata.Count, x, y); + ofs += sizeof(*ph); + while (ofs - ofs_start < ph->cb) + { + TTPOLYCURVE *curve = (TTPOLYCURVE*)&start[ofs]; + int j; + ofs += sizeof(TTPOLYCURVE) + (curve->cpfx - 1) * sizeof(POINTFX); + + switch (curve->wType) + { + case TT_PRIM_LINE: + 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); + } + 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); + } + break; + default: + ERR("Unhandled type: %u\n", curve->wType); + status = GenericError; + } + } + path->pathdata.Types[path->pathdata.Count - 1] |= PathPointTypeCloseSubpath; + } + path->newfigure = TRUE; + x += gm.gmCellIncX; + y += gm.gmCellIncY; + + GdipFree(ph); + if (status != Ok) + break; + } + + return status; +} + GpStatus WINGDIPAPI GdipAddPathString(GpPath* path, GDIPCONST WCHAR* string, INT length, GDIPCONST GpFontFamily* family, INT style, REAL emSize, GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat* format) { - FIXME("(%p, %p, %d, %p, %d, %f, %p, %p): stub\n", path, string, length, family, style, emSize, layoutRect, format); - return NotImplemented; + GpFont *font; + GpStatus status; + HANDLE hfont; + HDC dc; + GpPath *backup; + struct format_string_args args; + int i; + + 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); + if (status != Ok) + return status; + + hfont = CreateFontIndirectW(&font->lfw); + if (!hfont) + { + WARN("Failed to create font\n"); + return GenericError; + } + + if ((status = GdipClonePath(path, &backup)) != Ok) + { + DeleteObject(hfont); + return status; + } + + dc = CreateCompatibleDC(0); + SelectObject(dc, hfont); + + args.path = path; + args.maxY = 0; + status = gdip_format_string(dc, string, length, NULL, layoutRect, format, format_string_callback, &args); + + DeleteDC(dc); + DeleteObject(hfont); + + if (status != Ok) /* free backup */ + { + GdipFree(path->pathdata.Points); + GdipFree(path->pathdata.Types); + *path = *backup; + GdipFree(backup); + return status; + } + if (format && format->vertalign == StringAlignmentCenter && layoutRect->Y + args.maxY < layoutRect->Height) + { + float inc = layoutRect->Height - args.maxY - layoutRect->Y; + inc /= 2; + for (i = backup->pathdata.Count; i < path->pathdata.Count; ++i) + path->pathdata.Points[i].Y += inc; + } else if (format && format->vertalign == StringAlignmentFar) { + float inc = layoutRect->Height - args.maxY - layoutRect->Y; + for (i = backup->pathdata.Count; i < path->pathdata.Count; ++i) + path->pathdata.Points[i].Y += inc; + } + GdipDeletePath(backup); + return status; } GpStatus WINGDIPAPI GdipAddPathStringI(GpPath* path, GDIPCONST WCHAR* string, INT length, GDIPCONST GpFontFamily* family, INT style, REAL emSize, GDIPCONST Rect* layoutRect, GDIPCONST GpStringFormat* format) { - FIXME("(%p, %p, %d, %p, %d, %f, %p, %p): stub\n", path, string, length, family, style, emSize, layoutRect, format); - return NotImplemented; + if (layoutRect) + { + RectF layoutRectF = { + (REAL)layoutRect->X, + (REAL)layoutRect->Y, + (REAL)layoutRect->Width, + (REAL)layoutRect->Height + }; + return GdipAddPathString(path, string, length, family, style, emSize, &layoutRectF, format); + } + return InvalidParameter; } GpStatus WINGDIPAPI GdipClonePath(GpPath* path, GpPath **clone)
participants (1)
-
Alexandre Julliard