Пример #1
0
static void test_polygon(void)
{
    GpStatus status;
    GpPath *path;
    GpPointF points[5];

    points[0].X = 0.0;
    points[0].Y = 0.0;
    points[1].X = 10.0;
    points[1].Y = 10.0;
    points[2].X = 10.0;
    points[2].Y = 20.0;
    points[3].X = 30.0;
    points[3].Y = 10.0;
    points[4].X = 20.0;
    points[4].Y = 0.0;

    GdipCreatePath(FillModeAlternate, &path);

    /* NULL args */
    status = GdipAddPathPolygon(NULL, points, 5);
    expect(InvalidParameter, status);
    status = GdipAddPathPolygon(path, NULL, 5);
    expect(InvalidParameter, status);
    /* Polygon should have 3 points at least */
    status = GdipAddPathPolygon(path, points, 2);
    expect(InvalidParameter, status);

    /* to test how it prolongs not empty path */
    status = GdipAddPathLine(path, 5.0, 5.0, 6.0, 8.0);
    expect(Ok, status);
    status = GdipAddPathPolygon(path, points, 5);
    expect(Ok, status);
    /* check resulting path */
    ok_path(path, poly_path, sizeof(poly_path)/sizeof(path_test_t), FALSE);

    GdipDeletePath(path);
}
GpStatus WINGDIPAPI GdipEnumerateMetafileSrcRectDestPoints(GpGraphics *graphics,
    GDIPCONST GpMetafile *metafile, GDIPCONST GpPointF *destPoints, INT count,
    GDIPCONST GpRectF *srcRect, Unit srcUnit, EnumerateMetafileProc callback,
    VOID *callbackData, GDIPCONST GpImageAttributes *imageAttributes)
{
    struct enum_metafile_data data;
    GpStatus stat;
    GpMetafile *real_metafile = (GpMetafile*)metafile; /* whoever made this const was joking */
    GraphicsContainer state;
    GpPath *dst_path;

    TRACE("(%p,%p,%p,%i,%p,%i,%p,%p,%p)\n", graphics, metafile,
        destPoints, count, srcRect, srcUnit, callback, callbackData,
        imageAttributes);

    if (!graphics || !metafile || !destPoints || count != 3 || !srcRect)
        return InvalidParameter;

    if (!metafile->hemf)
        return InvalidParameter;

    if (metafile->playback_graphics)
        return ObjectBusy;

    TRACE("%s %i -> %s %s %s\n", debugstr_rectf(srcRect), srcUnit,
        debugstr_pointf(&destPoints[0]), debugstr_pointf(&destPoints[1]),
        debugstr_pointf(&destPoints[2]));

    data.callback = callback;
    data.callback_data = callbackData;
    data.metafile = real_metafile;

    real_metafile->playback_graphics = graphics;
    real_metafile->playback_dc = NULL;
    real_metafile->src_rect = *srcRect;

    memcpy(real_metafile->playback_points, destPoints, sizeof(PointF) * 3);
    stat = GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, real_metafile->playback_points, 3);

    if (stat == Ok)
        stat = GdipBeginContainer2(graphics, &state);

    if (stat == Ok)
    {
        stat = GdipSetPageScale(graphics, 1.0);

        if (stat == Ok)
            stat = GdipSetPageUnit(graphics, UnitPixel);

        if (stat == Ok)
            stat = GdipResetWorldTransform(graphics);

        if (stat == Ok)
            stat = GdipCreateRegion(&real_metafile->base_clip);

        if (stat == Ok)
            stat = GdipGetClip(graphics, real_metafile->base_clip);

        if (stat == Ok)
            stat = GdipCreatePath(FillModeAlternate, &dst_path);

        if (stat == Ok)
        {
            GpPointF clip_points[4];

            clip_points[0] = real_metafile->playback_points[0];
            clip_points[1] = real_metafile->playback_points[1];
            clip_points[2].X = real_metafile->playback_points[1].X + real_metafile->playback_points[2].X
                - real_metafile->playback_points[0].X;
            clip_points[2].Y = real_metafile->playback_points[1].Y + real_metafile->playback_points[2].Y
                - real_metafile->playback_points[0].Y;
            clip_points[3] = real_metafile->playback_points[2];

            stat = GdipAddPathPolygon(dst_path, clip_points, 4);

            if (stat == Ok)
                stat = GdipCombineRegionPath(real_metafile->base_clip, dst_path, CombineModeIntersect);

            GdipDeletePath(dst_path);
        }

        if (stat == Ok)
            stat = GdipCreateMatrix(&real_metafile->world_transform);

        if (stat == Ok)
        {
            real_metafile->page_unit = UnitDisplay;
            real_metafile->page_scale = 1.0;
            stat = METAFILE_PlaybackUpdateWorldTransform(real_metafile);
        }

        if (stat == Ok)
        {
            stat = METAFILE_PlaybackUpdateClip(real_metafile);
        }

        if (stat == Ok && (metafile->metafile_type == MetafileTypeEmf ||
            metafile->metafile_type == MetafileTypeWmfPlaceable ||
            metafile->metafile_type == MetafileTypeWmf))
            stat = METAFILE_PlaybackGetDC(real_metafile);

        if (stat == Ok)
            EnumEnhMetaFile(0, metafile->hemf, enum_metafile_proc, &data, NULL);

        METAFILE_PlaybackReleaseDC(real_metafile);

        GdipDeleteMatrix(real_metafile->world_transform);
        real_metafile->world_transform = NULL;

        GdipDeleteRegion(real_metafile->base_clip);
        real_metafile->base_clip = NULL;

        GdipEndContainer(graphics, state);
    }

    real_metafile->playback_graphics = NULL;

    return stat;
}