jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <LibGUI/Painter.h>
28#include <LibGfx/Font.h>
29#include <LibGfx/StylePainter.h>
30#include <LibWeb/Layout/LayoutCanvas.h>
31
32namespace Web {
33
34LayoutCanvas::LayoutCanvas(const HTMLCanvasElement& element, NonnullRefPtr<StyleProperties> style)
35 : LayoutReplaced(element, move(style))
36{
37}
38
39LayoutCanvas::~LayoutCanvas()
40{
41}
42
43void LayoutCanvas::layout()
44{
45 rect().set_width(node().preferred_width());
46 rect().set_height(node().preferred_height());
47 LayoutReplaced::layout();
48}
49
50void LayoutCanvas::render(RenderingContext& context)
51{
52 if (!is_visible())
53 return;
54
55 // FIXME: This should be done at a different level. Also rect() does not include padding etc!
56 if (!context.viewport_rect().intersects(enclosing_int_rect(rect())))
57 return;
58
59 if (node().bitmap())
60 context.painter().draw_scaled_bitmap(enclosing_int_rect(rect()), *node().bitmap(), node().bitmap()->rect());
61 LayoutReplaced::render(context);
62}
63
64}