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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * 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.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
** OWNER OR 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.5
import QtQuick.Controls 1.4
import QtQuick.Controls.Styles 1.4
import QtQuick.Layouts 1.1
Item {
id: root
property url iconUrl: ""
property int iconSize: 128
property int iconMinimumSize: 8
property int iconMaximumSize: 256
RowLayout {
anchors.fill: parent
spacing: 2
Rectangle {
Layout.fillWidth: true
Layout.fillHeight: true
RowLayout {
anchors.fill: parent
spacing: 2
Rectangle {
Layout.fillHeight: true
Layout.preferredWidth: (parent.width - 2 * parent.spacing) / 3
border.color: "black"
border.width: 1
clip: true
Text {
z: parent.z + 1
anchors.top: parent.top
anchors.topMargin: 5
anchors.left: parent.left
anchors.leftMargin: 5
font.bold: true
text: "faviconImage"
}
Image {
id: faviconImage
anchors.centerIn: parent
width: root.iconSize
height: width
sourceSize: Qt.size(width, height)
source: root.iconUrl
onStatusChanged: {
if (status == Image.Ready) {
grabToImage(function(result) {
grabImage.source = result.url;
});
}
if (status == Image.Null)
grabImage.source = "";
}
}
}
Rectangle {
Layout.fillHeight: true
Layout.preferredWidth: (parent.width - 2 * parent.spacing) / 3
border.color: "black"
border.width: 1
clip: true
Text {
z: parent.z + 1
anchors.top: parent.top
anchors.topMargin: 5
anchors.left: parent.left
anchors.leftMargin: 5
font.bold: true
text: "grabImage"
}
Image {
id: grabImage
anchors.centerIn: parent
width: root.iconSize
height: width
onStatusChanged: {
if (status == Image.Ready || status == Image.Null)
faviconCanvas.requestPaint();
}
}
}
Rectangle {
Layout.fillHeight: true
Layout.preferredWidth: (parent.width - 2 * parent.spacing) / 3
border.color: "black"
border.width: 1
clip: true
Text {
z: parent.z + 1
anchors.top: parent.top
anchors.topMargin: 5
anchors.left: parent.left
anchors.leftMargin: 5
font.bold: true
text: "faviconCanvas"
}
Canvas {
id: faviconCanvas
anchors.centerIn: parent
width: root.iconSize
height: width
onPaint: {
var ctx = getContext("2d");
ctx.reset();
ctx.clearRect(0, 0, width, height);
if (grabImage.source == "")
return;
ctx.drawImage(grabImage, 0, 0, width, height);
var imageData = ctx.getImageData(width/2, height/2, width/2, height/2);
var pixel = imageData.data;
verbose.append("pixel(" + width/2 + ", " + height/2 + "): " + pixel[0] + ", " + pixel[1] + ", " + pixel[2]);
}
}
}
}
}
Rectangle {
Layout.fillHeight: true
Layout.preferredWidth: 100
Slider {
id: faviconSizeSlider
anchors.horizontalCenter: parent.horizontalCenter
anchors.top: parent.top
anchors.bottom: faviconSizeSpin.top
orientation: Qt.Vertical
minimumValue: root.iconMinimumSize
maximumValue: root.iconMaximumSize
stepSize: 1
tickmarksEnabled: true
value: root.iconSize
onValueChanged: {
if (pressed && value != root.iconSize)
root.iconSize = value;
}
}
SpinBox {
id: faviconSizeSpin
anchors.horizontalCenter: parent.horizontalCenter
anchors.bottom: parent.bottom
minimumValue: root.iconMinimumSize
maximumValue: root.iconMaximumSize
value: root.iconSize
onEditingFinished: {
if (value != root.iconSize)
root.iconSize = value;
}
}
}
TextArea {
id: verbose
Layout.fillHeight: true
Layout.preferredWidth: 310
readOnly: true
tabChangesFocus: true
font.family: "Monospace"
font.pointSize: 12
textFormat: TextEdit.RichText
frameVisible: false
style: TextAreaStyle {
backgroundColor: "lightgray"
}
}
}
}
|
