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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "FindIndicator.h"
#include "ShareableBitmap.h"
#include <WebCore/Gradient.h>
#include <WebCore/GraphicsContext.h>
#include <WebCore/IntRect.h>
#include <WebCore/Path.h>
using namespace WebCore;
static const float cornerRadius = 3.0;
static const float shadowOffsetX = 0.0;
static const float shadowOffsetY = 1.0;
static const float shadowBlurRadius = 3.0;
static const int shadowRed = 0;
static const int shadowGreen = 0;
static const int shadowBlue = 0;
static const int shadowAlpha = 204;
static const float lightBorderThickness = 1.0;
static const float horizontalPaddingInsideLightBorder = 3.0;
static const float verticalPaddingInsideLightBorder = 1.0;
static const float horizontalBorderInsideShadow = lightBorderThickness + horizontalPaddingInsideLightBorder;
static const float verticalBorderInsideShadow = lightBorderThickness + verticalPaddingInsideLightBorder;
static const float leftBorderThickness = horizontalBorderInsideShadow + shadowOffsetX + shadowBlurRadius / 2.0;
static const float topBorderThickness = verticalBorderInsideShadow - shadowOffsetY + shadowBlurRadius / 2.0;
static const float rightBorderThickness = horizontalBorderInsideShadow - shadowOffsetX + shadowBlurRadius / 2.0;
static const float bottomBorderThickness = verticalBorderInsideShadow + shadowOffsetY + shadowBlurRadius / 2.0;
static const float horizontalOutsetToCenterOfLightBorder = horizontalBorderInsideShadow - lightBorderThickness / 2.0;
static const float verticalOutsetToCenterOfLightBorder = verticalBorderInsideShadow - lightBorderThickness / 2.0;
static const int lightBorderRed = 245;
static const int lightBorderGreen = 230;
static const int lightBorderBlue = 0;
static const int lightBorderAlpha = 255;
static const int gradientDarkRed = 237;
static const int gradientDarkGreen = 204;
static const int gradientDarkBlue = 0;
static const int gradientDarkAlpha = 255;
static const int gradientLightRed = 242;
static const int gradientLightGreen = 239;
static const int gradientLightBlue = 0;
static const int gradientLightAlpha = 255;
namespace WebKit {
PassRefPtr<FindIndicator> FindIndicator::create(const FloatRect& selectionRectInWindowCoordinates, const Vector<FloatRect>& textRectsInSelectionRectCoordinates, const SharedMemory::Handle& contentImageHandle)
{
RefPtr<ShareableBitmap> contentImage = ShareableBitmap::create(enclosingIntRect(selectionRectInWindowCoordinates).size(), contentImageHandle);
if (!contentImage)
return 0;
return adoptRef(new FindIndicator(selectionRectInWindowCoordinates, textRectsInSelectionRectCoordinates, contentImage.release()));
}
FindIndicator::FindIndicator(const WebCore::FloatRect& selectionRectInWindowCoordinates, const Vector<WebCore::FloatRect>& textRectsInSelectionRectCoordinates, PassRefPtr<ShareableBitmap> contentImage)
: m_selectionRectInWindowCoordinates(selectionRectInWindowCoordinates)
, m_textRectsInSelectionRectCoordinates(textRectsInSelectionRectCoordinates)
, m_contentImage(contentImage)
{
}
FindIndicator::~FindIndicator()
{
}
static FloatRect inflateRect(const FloatRect& rect, float inflateX, float inflateY)
{
FloatRect inflatedRect = rect;
inflatedRect.inflateX(inflateX);
inflatedRect.inflateY(inflateY);
return inflatedRect;
}
FloatRect FindIndicator::frameRect() const
{
return FloatRect(m_selectionRectInWindowCoordinates.x() - leftBorderThickness, m_selectionRectInWindowCoordinates.y() - topBorderThickness,
m_selectionRectInWindowCoordinates.width() + rightBorderThickness + leftBorderThickness,
m_selectionRectInWindowCoordinates.height() + topBorderThickness + bottomBorderThickness);
}
static Color lightBorderColor()
{
return Color(lightBorderRed, lightBorderGreen, lightBorderBlue, lightBorderAlpha);
}
static Color shadowColor()
{
return Color(shadowRed, shadowGreen, shadowBlue, shadowAlpha);
}
static Color gradientLightColor()
{
return Color(gradientLightRed, gradientLightGreen, gradientLightBlue, gradientLightAlpha);
}
static Color gradientDarkColor()
{
return Color(gradientDarkRed, gradientDarkGreen, gradientDarkBlue, gradientDarkAlpha);
}
static Path pathWithRoundedRect(const FloatRect& pathRect, float radius)
{
Path path;
path.addRoundedRect(pathRect, FloatSize(radius, radius));
return path;
}
void FindIndicator::draw(GraphicsContext& graphicsContext, const IntRect& dirtyRect)
{
for (size_t i = 0; i < m_textRectsInSelectionRectCoordinates.size(); ++i) {
FloatRect textRect = m_textRectsInSelectionRectCoordinates[i];
textRect.move(leftBorderThickness, topBorderThickness);
graphicsContext.save();
FloatRect outerPathRect = inflateRect(textRect, horizontalOutsetToCenterOfLightBorder, verticalOutsetToCenterOfLightBorder);
graphicsContext.setShadow(FloatSize(shadowOffsetX, shadowOffsetY), shadowBlurRadius, shadowColor(), ColorSpaceSRGB);
graphicsContext.setFillColor(lightBorderColor(), ColorSpaceDeviceRGB);
graphicsContext.fillPath(pathWithRoundedRect(outerPathRect, cornerRadius));
graphicsContext.restore();
graphicsContext.save();
FloatRect innerPathRect = inflateRect(textRect, horizontalPaddingInsideLightBorder, verticalPaddingInsideLightBorder);
graphicsContext.clip(pathWithRoundedRect(innerPathRect, cornerRadius));
RefPtr<Gradient> gradient = Gradient::create(FloatPoint(innerPathRect.x(), innerPathRect.y()), FloatPoint(innerPathRect.x(), innerPathRect.maxY()));
gradient->addColorStop(0, gradientLightColor());
gradient->addColorStop(1, gradientDarkColor());
graphicsContext.setFillGradient(gradient);
graphicsContext.fillRect(outerPathRect);
graphicsContext.restore();
graphicsContext.save();
graphicsContext.translate(FloatSize(roundf(leftBorderThickness), roundf(topBorderThickness)));
m_contentImage->paint(graphicsContext, IntPoint(0, 0), m_contentImage->bounds());
graphicsContext.restore();
}
}
} // namespace WebKit
|
