1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/drop_shadow_label.h"
#include "base/utf_string_conversions.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/color_utils.h"
using views::Label;
namespace chromeos {
static const int kDefaultDropShadowSize = 2;
DropShadowLabel::DropShadowLabel() : drop_shadow_size_(kDefaultDropShadowSize) {
}
void DropShadowLabel::SetDropShadowSize(int drop_shadow_size) {
if (drop_shadow_size != drop_shadow_size_) {
drop_shadow_size_ = drop_shadow_size;
invalidate_text_size();
SchedulePaint();
}
}
void DropShadowLabel::PaintText(gfx::Canvas* canvas,
const string16& text,
const gfx::Rect& text_bounds,
int flags) {
SkColor text_color = IsEnabled() ? enabled_color() : disabled_color();
if (drop_shadow_size_ > 0) {
const float kShadowOpacity = 0.2;
const SkColor shadow_color =
SkColorSetA(SK_ColorBLACK, kShadowOpacity * SkColorGetA(text_color));
for (int i = 0; i < drop_shadow_size_; i++) {
canvas->DrawStringInt(text, font(), shadow_color,
text_bounds.x() + i, text_bounds.y(),
text_bounds.width(), text_bounds.height(), flags);
canvas->DrawStringInt(text, font(), shadow_color,
text_bounds.x() + i, text_bounds.y() + i,
text_bounds.width(), text_bounds.height(), flags);
canvas->DrawStringInt(text, font(), shadow_color,
text_bounds.x(), text_bounds.y() + i,
text_bounds.width(), text_bounds.height(), flags);
}
}
canvas->DrawStringInt(text, font(), text_color, text_bounds.x(),
text_bounds.y(), text_bounds.width(), text_bounds.height(), flags);
if (HasFocus() || paint_as_focused()) {
gfx::Rect focus_bounds = text_bounds;
focus_bounds.Inset(-Label::kFocusBorderPadding,
-Label::kFocusBorderPadding);
canvas->DrawFocusRect(focus_bounds.x(), focus_bounds.y(),
focus_bounds.width(), focus_bounds.height());
}
}
gfx::Size DropShadowLabel::GetTextSize() const {
gfx::Size text_size = Label::GetTextSize();
text_size.SetSize(text_size.width() + drop_shadow_size_,
text_size.height() + drop_shadow_size_);
return text_size;
}
} // namespace chromeos
|
