[pdf] Work with stamp annot preview

configs/word.json

@@ -343,6 +343,7 @@
 			"pdf/src/viewer.js",
 			"pdf/src/file.js",
 			"pdf/src/pdfSearch.js",
+			"pdf/src/previews.js",
 			"pdf/src/forms/formActions.js",
 			"pdf/src/forms/base/base.js",
 			"pdf/src/forms/apiFunctions.js",

pdf/api.js

@@ -1858,6 +1858,14 @@
 			oDoc.BlurActiveObject();
 		AscCommon.DocumentEditorApi.prototype.asc_Save.call(this, isAutoSave, isIdle);
 	};
+	PDFEditorApi.prototype._onEndLoadSdk = function() {
+		AscCommon.DocumentEditorApi.prototype._onEndLoadSdk.call(this);
+
+		this.stampAnnotPreviewManager = new AscPDF.StampAnnotPreviewManager();
+	};
+	PDFEditorApi.prototype.asc_getPropertyEditorStamps = function() {
+		return this.stampAnnotPreviewManager.getStampPreviews();
+	};
 	PDFEditorApi.prototype._coAuthoringInitEnd = function() {
 		AscCommon.DocumentEditorApi.prototype._coAuthoringInitEnd.call(this);
 
@@ -2864,6 +2872,7 @@
 
 	// stamp
 	PDFEditorApi.prototype['AddStampAnnot']					= PDFEditorApi.prototype.AddStampAnnot;
+	PDFEditorApi.prototype['asc_getPropertyEditorStamps']	= PDFEditorApi.prototype.asc_getPropertyEditorStamps;
 
 	// freetext
 	PDFEditorApi.prototype['AddFreeTextAnnot']	= PDFEditorApi.prototype.AddFreeTextAnnot;

pdf/src/previews.js

@@ -0,0 +1,112 @@
+/*
+ * (c) Copyright Ascensio System SIA 2010-2024
+ *
+ * This program is a free software product. You can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License (AGPL)
+ * version 3 as published by the Free Software Foundation. In accordance with
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
+ * street, Riga, Latvia, EU, LV-1050.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+
+"use strict";
+
+(
+    /**
+     * @param {Window} window
+     * @param {undefined} undefined
+     */
+    function(window, undefined) {
+
+        function StampAnnotPreviewManager() {
+        }
+
+        StampAnnotPreviewManager.prototype.clear = function() {
+            this.StampStyles.length = 0;
+        };
+
+        StampAnnotPreviewManager.prototype.getStampStyles = function() {
+            if (this.StampStyles.length === 0) {
+                this.generateStampStyles();
+            }
+            return this.StampStyles;
+        };
+
+        StampAnnotPreviewManager.prototype.createCanvas = function(width, height) {
+            var oCanvas = document.createElement('canvas');
+            oCanvas.width = AscCommon.AscBrowser.convertToRetinaValue(width, true);
+            oCanvas.height = AscCommon.AscBrowser.convertToRetinaValue(height, true);
+            return oCanvas;
+        };
+
+        StampAnnotPreviewManager.prototype.getStampRender = function(sType) {
+			let oDoc = Asc.editor.getPDFDoc();
+            let oTextDrawer = oDoc.CreateStampRender(sType);
+
+			return oTextDrawer;
+        };
+
+        StampAnnotPreviewManager.prototype.getStampPreview = function(type) {
+            return this.getStampPreviewCanvas(type).toDataURL("image/png");
+        };
+        StampAnnotPreviewManager.prototype.getStampPreviews = function() {
+			let aRet = [];
+
+			let _t = this;
+			Object.entries(AscPDF.STAMP_XML).forEach(function(entry) {
+				let type = entry[0];
+
+				let oPreview = {};
+				oPreview["Type"] = type;
+				oPreview["Image"] = _t.getStampPreview(type);
+				aRet.push(oPreview);
+			});
+
+			return aRet;
+        };
+        StampAnnotPreviewManager.prototype.getStampPreviewCanvas = function(type) {
+            let oTextDrawer	= this.getStampRender(type);
+            if (!oTextDrawer) {
+                return "";
+            }
+
+			let pxWidth = oTextDrawer.Width * g_dKoef_mm_to_pix;
+            let pxHeight = oTextDrawer.Height * g_dKoef_mm_to_pix;
+
+			let canvas		= this.createCanvas(pxWidth, pxHeight);
+            let ctx			= canvas.getContext('2d');
+            let graphics	= new AscCommon.CGraphics();
+
+            graphics.init(ctx, canvas.width, canvas.height, oTextDrawer.Width, oTextDrawer.Height);
+            graphics.m_oFontManager = AscCommon.g_fontManager;
+            graphics.transform(1, 0, 0, 1, 0, 0);
+
+            oTextDrawer.m_aStack[0].draw(graphics);
+            return canvas;
+        };
+
+        //----------------------------------------------------------export----------------------------------------------------
+        window['AscPDF'] = window['AscPDF'] || {};
+        window['AscPDF'].StampAnnotPreviewManager = StampAnnotPreviewManager;
+    })(window);

previews.js

@@ -0,0 +1,112 @@
+/*
+ * (c) Copyright Ascensio System SIA 2010-2024
+ *
+ * This program is a free software product. You can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License (AGPL)
+ * version 3 as published by the Free Software Foundation. In accordance with
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
+ * street, Riga, Latvia, EU, LV-1050.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+
+"use strict";
+
+(
+    /**
+     * @param {Window} window
+     * @param {undefined} undefined
+     */
+    function(window, undefined) {
+
+        function StampAnnotPreviewManager() {
+        }
+
+        StampAnnotPreviewManager.prototype.clear = function() {
+            this.StampStyles.length = 0;
+        };
+
+        StampAnnotPreviewManager.prototype.getStampStyles = function() {
+            if (this.StampStyles.length === 0) {
+                this.generateStampStyles();
+            }
+            return this.StampStyles;
+        };
+
+        StampAnnotPreviewManager.prototype.createCanvas = function(width, height) {
+            var oCanvas = document.createElement('canvas');
+            oCanvas.width = AscCommon.AscBrowser.convertToRetinaValue(width, true);
+            oCanvas.height = AscCommon.AscBrowser.convertToRetinaValue(height, true);
+            return oCanvas;
+        };
+
+        StampAnnotPreviewManager.prototype.getStampRender = function(sType) {
+			let oDoc = Asc.editor.getPDFDoc();
+            let oTextDrawer = oDoc.CreateStampRender(sType);
+
+			return oTextDrawer;
+        };
+
+        StampAnnotPreviewManager.prototype.getStampPreview = function(type) {
+            return this.getStampPreviewCanvas(type).toDataURL("image/png");
+        };
+        StampAnnotPreviewManager.prototype.getStampPreviews = function() {
+			let aRet = [];
+
+			let _t = this;
+			Object.entries(AscPDF.STAMP_XML).forEach(function(entry) {
+				let type = entry[0];
+
+				let oPreview = {};
+				oPreview["Type"] = type;
+				oPreview["Image"] = _t.getStampPreview(type);
+				aRet.push(oPreview);
+			});
+
+			return aRet;
+        };
+        StampAnnotPreviewManager.prototype.getStampPreviewCanvas = function(type) {
+            let oTextDrawer	= this.getStampRender(type);
+            if (!oTextDrawer) {
+                return "";
+            }
+
+			let pxWidth = oTextDrawer.Width * g_dKoef_mm_to_pix;
+            let pxHeight = oTextDrawer.Height * g_dKoef_mm_to_pix;
+
+			let canvas		= this.createCanvas(pxWidth, pxHeight);
+            let ctx			= canvas.getContext('2d');
+            let graphics	= new AscCommon.CGraphics();
+
+            graphics.init(ctx, canvas.width, canvas.height, oTextDrawer.Width, oTextDrawer.Height);
+            graphics.m_oFontManager = AscCommon.g_fontManager;
+            graphics.transform(1, 0, 0, 1, 0, 0);
+
+            oTextDrawer.m_aStack[0].draw(graphics);
+            return canvas;
+        };
+
+        //----------------------------------------------------------export----------------------------------------------------
+        window['AscPDF'] = window['AscPDF'] || {};
+        window['AscPDF'].StampAnnotPreviewManager = StampAnnotPreviewManager;
+    })(window);