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unity8/Components/UbuntuShapeForItem.qml
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1/*
2 * Copyright (C) 2012 Canonical, Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
17import QtQuick 2.0
18import Ubuntu.Components 0.1 as Theming
20/* FIXME: This component is duplicating the UbuntuShape from the SDK, but shapes more
21 * general (Item-based) components. This ability should be incorporated into the SDK's
22 * UbuntuShape so this file can be removed.
23 * Bug: https://bugs.launchpad.net/tavastia/+bug/1089595
24 */
26Item {
27 id: shape
29 Theming.ItemStyle.class: "UbuntuShape-radius-" + radius
31 property string radius: "small"
32 property url maskSource: Theming.ComponentUtils.style(shape, "maskSource", "")
33 property url borderSource: Theming.ComponentUtils.style(shape, "borderIdle", "")
34 property Item image
36 implicitWidth: units.gu(8)
37 implicitHeight: units.gu(8)
39 onWidthChanged: __updateImageDimensions()
40 onHeightChanged: __updateImageDimensions()
41 onImageChanged: __updateImageDimensions()
43 function __updateImageDimensions() {
44 if (!image) return;
45 image.width = shape.width;
46 image.height = shape.height;
47 image.visible = false;
48 }
50 ShaderEffect {
51 anchors.fill: parent
52 visible: shape.image
54 property ShaderEffectSource mask: ShaderEffectSource {
55 sourceItem: BorderImage {
56 width: shape.width
57 height: shape.height
58 source: shape.maskSource
59 visible: false
60 }
61 }
63 property ShaderEffectSource image: ShaderEffectSource {
64 sourceItem: shape.image
65 }
67 fragmentShader:
68 "
69 varying highp vec2 qt_TexCoord0;
70 uniform lowp float qt_Opacity;
71 uniform sampler2D mask;
72 uniform sampler2D image;
74 void main(void)
75 {
76 lowp vec4 maskColor = texture2D(mask, qt_TexCoord0.st);
77 lowp vec4 imageColor = texture2D(image, qt_TexCoord0.st);
78 gl_FragColor = imageColor * maskColor.a * qt_Opacity;
79 }
80 "
81 }
83 BorderImage {
84 id: border
86 anchors.fill: parent
87 source: shape.borderSource
88 }