2 * Copyright (C) 2011 Kevin Ollivier <kevino@theolliviers.com>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include <wtf/Assertions.h>
33 #include <wx/dcmemory.h>
34 #include <wx/rawbmp.h>
38 wxBitmap* transparentBitmap(int width, int height);
43 LocalDC(wxDC* host, const IntRect& r)
47 int width = r.width();
48 int height = r.height();
49 m_bitmap = new wxBitmap(width, height, 32);
50 wxAlphaPixelData pixData(*m_bitmap, wxPoint(0,0), wxSize(width, height));
53 wxAlphaPixelData::Iterator p(pixData);
54 for (int y=0; y<height; y++) {
55 wxAlphaPixelData::Iterator rowStart = p;
56 for (int x=0; x<width; x++) {
61 p.OffsetY(pixData, 1);
65 m_context = new wxMemoryDC(*m_bitmap);
66 m_context->SetDeviceOrigin(-r.x(), -r.y());
73 wxDC* context() { return m_context; }
79 m_host->DrawBitmap(*m_bitmap, m_rect.x(), m_rect.y());