Move SourceProxy to C++ and introduce "private" module.

This gives us a bit better control in terms of what we
want to check for. It should also fix some subtle bugs
when layer and ShaderEffectSource is used as input.

Change-Id: I29de13598811623c31563ac6e88f070aee0bab54
Task-number: QTBUG-40849
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>

2 files changed, 355 insertions, 0 deletions

diff --git a/tests/manual/SourceProxyTest.qml b/tests/manual/SourceProxyTest.qml
new file mode 100644
index 0000000..e68bc35
--- /dev/null
+++ b/tests/manual/SourceProxyTest.qml
@@ -0,0 +1,110 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Jolla Ltd, author: <gunnar.sletta@jollamobile.com>
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Graphical Effects module.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 QtGraphicalEffects.private 1.0
+import QtQuick 2.4
+
+Rectangle {
+
+    Rectangle {
+        width: parent.width
+        height: 1
+        color: "lightsteelblue"
+    }
+
+    id: root
+
+    height: 40
+    width: parent.width
+
+    property alias proxyInterpolation: proxy.interpolation
+    property bool proxyPadding: false
+
+    property string sourcing; // "layered", "shadersource", "none";
+
+    property bool smoothness: true
+    property bool padding: false
+
+    property alias label: text.text
+
+
+    property bool expectProxy: false
+
+    color: proxy.active ? "darkred" : "darkblue"
+
+    Text {
+        id: text
+        color: "white"
+        font.pixelSize: 14
+        font.bold: true
+
+        anchors.centerIn: parent
+
+        layer.enabled: root.sourcing == "layered"
+        layer.smooth: root.smoothness
+        layer.sourceRect: padding ? Qt.rect(-1, -1, text.width, text.height) : Qt.rect(0, 0, 0, 0);
+    }
+
+    ShaderEffectSource {
+        id: shaderSource
+        sourceItem: text
+        smooth: root.smoothness
+        sourceRect: padding ? Qt.rect(-1, -1, text.width, text.height) : Qt.rect(0, 0, 0, 0);
+    }
+
+    SourceProxy {
+        id: proxy
+        input: sourcing == "shadersource" ? shaderSource : text;
+        visible: false
+        sourceRect: proxyPadding ? Qt.rect(-1, -1, text.width, text.height) : Qt.rect(0, 0, 0, 0);
+    }
+
+    Text {
+        color: "red"
+        anchors.right: parent.right
+        anchors.verticalCenter: parent.verticalCenter;
+        rotation: 45
+        text: "FAIL"
+        font.pixelSize: 12
+        font.bold: true
+        visible: root.expectProxy != proxy.active
+    }
+
+}
diff --git a/tests/manual/testSourceProxy.qml b/tests/manual/testSourceProxy.qml
new file mode 100644
index 0000000..1ca3f95
--- /dev/null
+++ b/tests/manual/testSourceProxy.qml
@@ -0,0 +1,245 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Jolla Ltd, author: <gunnar.sletta@jollamobile.com>
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Graphical Effects module.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 QtGraphicalEffects.private 1.0
+import QtQuick 2.4;
+
+Item {
+    id: root
+
+    width: 400
+    height: 600
+
+    // Text {
+    //     text: "source: layered, padded\nproxy: expect-no-padding"
+    //     layer.enabled: true
+    //     layer.sourceRect: Qt.rect(-1, -1, width, height);
+    //     font.pixelSize: 14
+    //     font.bold: true
+    // }
+
+    Flickable {
+
+        anchors.fill: parent
+
+        contentWidth: root.width
+        contentHeight: column.height
+
+        Column {
+            id: column
+            width: root.width
+
+            SourceProxyTest {
+                label: "source: layered, padded\nproxy: expect-no-padding"
+                sourcing: "layered"
+                proxyPadding: false
+                padding: true
+                expectProxy: true
+            }
+            SourceProxyTest {
+                label: "source: layered, non-padded\nproxy: expect-no-padding"
+                sourcing: "layered"
+                proxyPadding: false
+                padding: false
+                expectProxy: false
+            }
+            SourceProxyTest {
+                label: "source: layered, padded\nproxy: expect-padding"
+                sourcing: "layered"
+                proxyPadding: true
+                padding: true
+                expectProxy: false
+            }
+            SourceProxyTest {
+                label: "source: layered, non-padded\nproxy: expect-padding"
+                sourcing: "layered"
+                proxyPadding: true
+                padding: false
+                expectProxy: true
+            }
+
+
+            SourceProxyTest {
+                label: "source: shadersource, padded\nproxy: expect-no-padding"
+                sourcing: "shadersource"
+                proxyPadding: false
+                padding: true
+                expectProxy: true
+            }
+            SourceProxyTest {
+                label: "source: shadersource, non-padded\nproxy: expect-no-padding"
+                sourcing: "shadersource"
+                proxyPadding: false
+                padding: false
+                expectProxy: false
+            }
+            SourceProxyTest {
+                label: "source: shadersource, padded\nproxy: expect-padding"
+                sourcing: "shadersource"
+                proxyPadding: true
+                padding: true
+                expectProxy: false
+            }
+            SourceProxyTest {
+                label: "source: shadersource, non-padded\nproxy: expect-padding"
+                sourcing: "shadersource"
+                proxyPadding: true
+                padding: false
+                expectProxy: true
+            }
+
+
+            SourceProxyTest {
+                label: "source: layered, non-smooth\nproxy: any-interpolation, "
+                sourcing: "layered"
+                smoothness: false
+                proxyInterpolation: SourceProxy.AnyInterpolation
+                expectProxy: false
+            }
+            SourceProxyTest {
+                label: "source: layered, smooth\nproxy: any-interpolation, "
+                sourcing: "layered"
+                smoothness: true
+                proxyInterpolation: SourceProxy.AnyInterpolation
+                expectProxy: false
+            }
+            SourceProxyTest {
+                label: "source: layered, non-smooth\nproxy: nearest-interpolation, "
+                sourcing: "layered"
+                smoothness: false
+                proxyInterpolation: SourceProxy.NearestInterpolation
+                expectProxy: false
+            }
+            SourceProxyTest {
+                label: "source: layered, smooth\nproxy: nearest-interpolation, "
+                sourcing: "layered"
+                smoothness: true
+                proxyInterpolation: SourceProxy.NearestInterpolation
+                expectProxy: true
+            }
+
+            SourceProxyTest {
+                label: "source: layered, non-smooth\nproxy: linear-interpolation, "
+                sourcing: "layered"
+                smoothness: false
+                proxyInterpolation: SourceProxy.LinearInterpolation
+                expectProxy: true
+            }
+            SourceProxyTest {
+                label: "source: layered, smooth\nproxy: linear-interpolation, "
+                sourcing: "layered"
+                smoothness: true
+                proxyInterpolation: SourceProxy.LinearInterpolation
+                expectProxy: false
+            }
+
+
+
+            SourceProxyTest {
+                label: "source: shadersource, non-smooth\nproxy: any-interpolation, "
+                sourcing: "shadersource"
+                smoothness: false
+                proxyInterpolation: SourceProxy.AnyInterpolation
+                expectProxy: false
+            }
+            SourceProxyTest {
+                label: "source: shadersource, smooth\nproxy: any-interpolation, "
+                sourcing: "shadersource"
+                smoothness: true
+                proxyInterpolation: SourceProxy.AnyInterpolation
+                expectProxy: false
+            }
+
+            SourceProxyTest {
+                label: "source: shadersource, non-smooth\nproxy: nearest-interpolation, "
+                sourcing: "shadersource"
+                smoothness: false
+                proxyInterpolation: SourceProxy.NearestInterpolation
+                expectProxy: false
+            }
+            SourceProxyTest {
+                label: "source: shadersource, smooth\nproxy: nearest-interpolation, "
+                sourcing: "shadersource"
+                smoothness: true
+                proxyInterpolation: SourceProxy.NearestInterpolation
+                expectProxy: true
+            }
+
+            SourceProxyTest {
+                label: "source: shadersource, non-smooth\nproxy: linear-interpolation, "
+                sourcing: "shadersource"
+                smoothness: false
+                proxyInterpolation: SourceProxy.LinearInterpolation
+                expectProxy: true
+            }
+            SourceProxyTest {
+                label: "source: shadersource, smooth\nproxy: linear-interpolation, "
+                sourcing: "shadersource"
+                smoothness: true
+                proxyInterpolation: SourceProxy.LinearInterpolation
+                expectProxy: false
+            }
+
+
+
+            SourceProxyTest {
+                label: "source: none\nproxy: any-interpolation"
+                sourcing: "none"
+                proxyInterpolation: SourceProxy.AnyInterpolation
+                expectProxy: true
+            }
+            SourceProxyTest {
+                label: "source: none\nproxy: nearest-interpolation"
+                sourcing: "none"
+                proxyInterpolation: SourceProxy.NearestInterpolation
+                expectProxy: true
+            }
+            SourceProxyTest {
+                label: "source: none\nproxy: linear-interpolation"
+                sourcing: "none"
+                proxyInterpolation: SourceProxy.LinearInterpolation
+                expectProxy: true
+            }
+
+
+        }
+
+    }
+}