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42 import "AppManager.js" as AppManager
47 property Item editor: parent.editor
48 // Defines the center of the content to be magnified in X axis
49 // Note: the center of the content to be magnified in Y axis is determined by the cursor position.
50 property variant contentCenter: Qt.point(0, 0) //editor's coordinate system
51 property bool platformInverted: false
54 parent = AppManager.rootObject();
55 sourceRect = internal.calculateSourceGeometry();
56 internal.calculatePosition();
64 sourceRect: Qt.rect(0, 0, 0, 0)
67 maskFileName: root.platformInverted ? ":/graphics_1_1/qtg_graf_magnifier_mask_inverse.svg"
68 : ":/graphics_1_1/qtg_graf_magnifier_mask.svg"
69 overlayFileName: root.platformInverted ? ":/graphics_1_1/qtg_graf_magnifier_inverse.svg"
70 : ":/graphics_1_1/qtg_graf_magnifier.svg"
72 onContentCenterChanged: internal.updateSourceRect()
74 onSourceRectChanged: if (visible) internal.calculatePosition()
78 onCursorPositionChanged: internal.updateSourceRect
85 function updateSourceRect () {
87 sourceRect = internal.calculateSourceGeometry();
90 function calculatePosition() {
91 width = sourceRect.width * scaleFactor;
92 height = sourceRect.height * scaleFactor;
94 var magnifierMargin = -platformStyle.paddingLarge; // the offset between the magnifier and top of the line
95 var pos = parent.mapFromItem(editor,
96 contentCenter.x - width/2,
97 contentCenter.y - sourceRect.height/2 - height - magnifierMargin);
103 // Calculates and returns the source geometry of the content to be magnified in scene coordinates
104 function calculateSourceGeometry() {
105 var magniferSize = Qt.size(platformStyle.graphicSizeMedium * 2, platformStyle.graphicSizeMedium * 2);
106 var sourceSize = Qt.size(magniferSize.width / scaleFactor, magniferSize.height / scaleFactor);
107 var contentCenterScene = editor.mapToItem(null, contentCenter.x, contentCenter.y);
109 var rect = Qt.rect(contentCenterScene.x - sourceSize.width / 2,
110 contentCenterScene.y - sourceSize.height / 2,
111 sourceSize.width, sourceSize.height);