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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,195 @@ | ||
| /* | ||
| Copyright 2019, Mitch Curtis | ||
| This file is part of Slate. | ||
| Slate is free software: you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation, either version 3 of the License, or | ||
| (at your option) any later version. | ||
| Slate is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with Slate. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| import QtQuick 2.12 | ||
| import QtQuick.Layouts 1.3 | ||
| import QtQuick.Controls 2.5 | ||
|
|
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| import App 1.0 | ||
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| import "." as Ui | ||
|
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| Dialog { | ||
| id: root | ||
| objectName: "opacityDialog" | ||
| title: qsTr("Opacity") | ||
| modal: true | ||
| dim: false | ||
| focus: true | ||
|
|
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| property Project project | ||
| property ImageCanvas canvas | ||
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| property real hslAlpha | ||
|
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| readonly property real sliderStepSize: 0.001 | ||
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| TextMetrics { | ||
| id: valueTextMetrics | ||
| font: opacityTextField.font | ||
| text: "-0.0001" | ||
| } | ||
|
|
||
| function modifySelectionHsl() { | ||
| var flags = ImageCanvas.DefaultAlphaAdjustment | ||
| if (doNotModifyFullyTransparentPixelsCheckBox.checked) | ||
| flags |= ImageCanvas.DoNotModifyFullyTransparentPixels | ||
| if (doNotModifyFullyOpaquePixelsCheckBox.checked) | ||
| flags |= ImageCanvas.DoNotModifyFullyOpaquePixels | ||
| canvas.modifySelectionHsl(0, 0, 0, hslAlpha, flags) | ||
| } | ||
|
|
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| onAboutToShow: { | ||
| if (project) { | ||
| hslAlpha = 0 | ||
|
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| opacityTextField.forceActiveFocus() | ||
|
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| canvas.beginModifyingSelectionHsl() | ||
| } | ||
| } | ||
|
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| onClosed: { | ||
| canvas.forceActiveFocus() | ||
| if (canvas.adjustingImage) { | ||
| // The dialog can be closed in two ways, so it's easier just to discard any adjustment here. | ||
| canvas.endModifyingSelectionHsl(ImageCanvas.RollbackAdjustment) | ||
| } | ||
| } | ||
|
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| contentItem: GridLayout { | ||
| columns: 3 | ||
| columnSpacing: 24 | ||
| rowSpacing: 0 | ||
|
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| Label { | ||
| text: qsTr("Opacity") | ||
|
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| Layout.fillWidth: true | ||
| } | ||
| Slider { | ||
| id: opacitySlider | ||
| objectName: root.objectName + "OpacitySlider" | ||
| from: -1 | ||
| to: 1 | ||
| value: hslAlpha | ||
| stepSize: sliderStepSize | ||
| leftPadding: 0 | ||
| rightPadding: 0 | ||
|
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| ToolTip.text: qsTr("Changes the opacity of the image") | ||
|
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| onMoved: { | ||
| hslAlpha = value | ||
| modifySelectionHsl() | ||
| } | ||
|
|
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| background: Item { | ||
| // Default Material values. | ||
| implicitWidth: 200 | ||
| implicitHeight: 48 | ||
|
|
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| HorizontalGradientRectangle { | ||
| width: parent.width | ||
| gradient: Gradient { | ||
| GradientStop { | ||
| position: 0 | ||
| color: "transparent" | ||
| } | ||
| GradientStop { | ||
| position: 1 | ||
| color: Ui.CanvasColours.focusColour | ||
| } | ||
| } | ||
| anchors.verticalCenter: parent.verticalCenter | ||
| } | ||
| } | ||
| } | ||
| DoubleTextField { | ||
| id: opacityTextField | ||
| objectName: root.objectName + "OpacityTextField" | ||
| propertySource: root | ||
| propertyName: "hslAlpha" | ||
| // If the maximum length matches the text metrics text, the sign | ||
| // character will sometimes be slightly cut off, so account for that. | ||
| maximumLength: valueTextMetrics.text.length - 1 | ||
|
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| Layout.maximumWidth: valueTextMetrics.width | ||
| Layout.fillWidth: true | ||
|
|
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| // We call this here instead of just doing it in e.g. onHslHueChanged | ||
| // because that would require us to block changes that occur when the | ||
| // HSL property values are reset upon showing the dialog. Modifying the | ||
| // selection only on user interaction instead feels nicer. | ||
| onValueModified: modifySelectionHsl() | ||
| } | ||
|
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| CheckBox { | ||
| id: doNotModifyFullyTransparentPixelsCheckBox | ||
| objectName: "doNotModifyFullyTransparentPixelsCheckBox" | ||
| text: qsTr("Do not modify fully transparent pixels") | ||
| checked: true | ||
|
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| Layout.columnSpan: 3 | ||
|
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| ToolTip.text: qsTr("Only change the alpha if it's non-zero to prevent fully transparent pixels from gaining opacity.") | ||
| ToolTip.visible: hovered | ||
| ToolTip.delay: toolTipDelay | ||
|
|
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| onClicked: modifySelectionHsl() | ||
| } | ||
|
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| CheckBox { | ||
| id: doNotModifyFullyOpaquePixelsCheckBox | ||
| objectName: "doNotModifyFullyOpaquePixelsCheckBox" | ||
| text: qsTr("Do not modify fully opaque pixels") | ||
| checked: true | ||
|
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| Layout.columnSpan: 3 | ||
|
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| ToolTip.text: qsTr("Only change the alpha if it's less than one to prevent fully opaque pixels from losing opacity.") | ||
| ToolTip.visible: hovered | ||
| ToolTip.delay: toolTipDelay | ||
|
|
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| onClicked: modifySelectionHsl() | ||
| } | ||
| } | ||
|
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| footer: DialogButtonBox { | ||
| Button { | ||
| objectName: "opacityDialogOkButton" | ||
| text: qsTr("OK") | ||
|
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| DialogButtonBox.buttonRole: DialogButtonBox.AcceptRole | ||
|
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| onClicked: { | ||
| canvas.endModifyingSelectionHsl(ImageCanvas.CommitAdjustment) | ||
| root.close() | ||
| } | ||
| } | ||
| Button { | ||
| objectName: "opacityDialogCancelButton" | ||
| text: qsTr("Cancel") | ||
|
|
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| DialogButtonBox.buttonRole: DialogButtonBox.DestructiveRole | ||
|
|
||
| onClicked: root.close() | ||
| } | ||
| } | ||
| } |
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