C++ (Cpp) GdipCreateRegionRect Examples

Example #1

File: region.c Project: AndreRH/wine

/*****************************************************************************
 * GdipCreateRegionRectI [GDIPLUS.@]
 */
GpStatus WINGDIPAPI GdipCreateRegionRectI(GDIPCONST GpRect *rect,
        GpRegion **region)
{
    GpRectF rectf;

    TRACE("%p, %p\n", rect, region);

    rectf.X = (REAL)rect->X;
    rectf.Y = (REAL)rect->Y;
    rectf.Width = (REAL)rect->Width;
    rectf.Height = (REAL)rect->Height;

    return GdipCreateRegionRect(&rectf, region);
}

Example #2

File: region.c Project: AmesianX/RosWine

/*****************************************************************************
 * GdipCombineRegionRect [GDIPLUS.@]
 */
GpStatus WINGDIPAPI GdipCombineRegionRect(GpRegion *region,
        GDIPCONST GpRectF *rect, CombineMode mode)
{
    GpRegion *rect_region;
    region_element *left, *right = NULL;
    GpStatus stat;

    TRACE("%p %p %d\n", region, rect, mode);

    if (!(region && rect))
        return InvalidParameter;

    stat = GdipCreateRegionRect(rect, &rect_region);
    if (stat != Ok)
        return stat;

    /* simply replace region data */
    if(mode == CombineModeReplace){
        delete_element(&region->node);
        memcpy(region, rect_region, sizeof(GpRegion));
        GdipFree(rect_region);
        return Ok;
    }

    left = GdipAlloc(sizeof(region_element));
    if (!left)
        goto out;
    memcpy(left, &region->node, sizeof(region_element));

    stat = clone_element(&rect_region->node, &right);
    if (stat != Ok)
        goto out;

    fuse_region(region, left, right, mode);

    GdipDeleteRegion(rect_region);
    return Ok;

out:
    GdipFree(left);
    GdipDeleteRegion(rect_region);
    return stat;
}

Example #3

File: region.c Project: AndreRH/wine

/*****************************************************************************
 * GdipCombineRegionRect [GDIPLUS.@]
 */
GpStatus WINGDIPAPI GdipCombineRegionRect(GpRegion *region,
        GDIPCONST GpRectF *rect, CombineMode mode)
{
    GpRegion *rect_region;
    region_element *left, *right = NULL;
    GpStatus stat;

    TRACE("%p %s %d\n", region, debugstr_rectf(rect), mode);

    if (!(region && rect))
        return InvalidParameter;

    stat = GdipCreateRegionRect(rect, &rect_region);
    if (stat != Ok)
        return stat;

    /* simply replace region data */
    if(mode == CombineModeReplace){
        delete_element(&region->node);
        memcpy(region, rect_region, sizeof(GpRegion));
        heap_free(rect_region);
        return Ok;
    }

    left = heap_alloc_zero(sizeof(region_element));
    if (left)
    {
        memcpy(left, &region->node, sizeof(region_element));
        stat = clone_element(&rect_region->node, &right);
        if (stat == Ok)
        {
            fuse_region(region, left, right, mode);
            GdipDeleteRegion(rect_region);
            return Ok;
        }
    }
    else
        stat = OutOfMemory;

    heap_free(left);
    GdipDeleteRegion(rect_region);
    return stat;
}

Example #4

static void test_combinereplace(void)
{
    GpStatus status;
    GpRegion *region, *region2;
    GpPath *path;
    GpRectF rectf;
    UINT needed;
    DWORD buf[50];

    rectf.X = rectf.Y = 0.0;
    rectf.Width = rectf.Height = 100.0;

    status = GdipCreateRegionRect(&rectf, &region);
    expect(Ok, status);

    /* replace with the same rectangle */
    status = GdipCombineRegionRect(region, &rectf,CombineModeReplace);
    expect(Ok, status);

    status = GdipGetRegionDataSize(region, &needed);
    expect(Ok, status);
    expect(36, needed);
    status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
    expect(Ok, status);
    expect(36, needed);
    expect_dword(buf, 28);
    trace("buf[1] = %08x\n", buf[1]);
    expect_magic((DWORD*)(buf + 2));
    expect_dword(buf + 3, 0);
    expect_dword(buf + 4, RGNDATA_RECT);

    /* replace with path */
    status = GdipCreatePath(FillModeAlternate, &path);
    expect(Ok, status);
    status = GdipAddPathEllipse(path, 0.0, 0.0, 100.0, 250.0);
    expect(Ok, status);
    status = GdipCombineRegionPath(region, path, CombineModeReplace);
    expect(Ok, status);

    status = GdipGetRegionDataSize(region, &needed);
    expect(Ok, status);
    expect(156, needed);
    status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
    expect(Ok, status);
    expect(156, needed);
    expect_dword(buf, 148);
    trace("buf[1] = %08x\n", buf[1]);
    expect_magic((DWORD*)(buf + 2));
    expect_dword(buf + 3, 0);
    expect_dword(buf + 4, RGNDATA_PATH);
    GdipDeletePath(path);

    /* replace with infinite rect */
    status = GdipCreateRegion(&region2);
    expect(Ok, status);
    status = GdipCombineRegionRegion(region, region2, CombineModeReplace);
    expect(Ok, status);

    status = GdipGetRegionDataSize(region, &needed);
    expect(Ok, status);
    expect(20, needed);
    status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
    expect(Ok, status);
    expect(20, needed);
    expect_dword(buf, 12);
    trace("buf[1] = %08x\n", buf[1]);
    expect_magic((DWORD*)(buf + 2));
    expect_dword(buf + 3, 0);
    expect_dword(buf + 4, RGNDATA_INFINITE_RECT);
    GdipDeleteRegion(region2);

    /* more complex case : replace with a combined region */
    status = GdipCreateRegionRect(&rectf, &region2);
    expect(Ok, status);
    status = GdipCreatePath(FillModeAlternate, &path);
    expect(Ok, status);
    status = GdipAddPathEllipse(path, 0.0, 0.0, 100.0, 250.0);
    expect(Ok, status);
    status = GdipCombineRegionPath(region2, path, CombineModeUnion);
    expect(Ok, status);
    GdipDeletePath(path);
    status = GdipCombineRegionRegion(region, region2, CombineModeReplace);
    expect(Ok, status);
    GdipDeleteRegion(region2);

    status = GdipGetRegionDataSize(region, &needed);
    expect(Ok, status);
    expect(180, needed);
    status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
    expect(Ok, status);
    expect(180, needed);
    expect_dword(buf, 172);
    trace("buf[1] = %08x\n", buf[1]);
    expect_magic((DWORD*)(buf + 2));
    expect_dword(buf + 3, 2);
    expect_dword(buf + 4, CombineModeUnion);

    GdipDeleteRegion(region);
}