194 lines
16 KiB
Go
194 lines
16 KiB
Go
package ppt
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import (
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"archive/zip"
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"bytes"
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_ "embed"
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"fmt"
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"io"
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"strings"
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"time"
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)
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// Office Open XML (OOXML) http://officeopenxml.com/prPresentation.php
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//go:embed template.pptx
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var pptx_template []byte
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func copyPptxTemplateTo(w *zip.Writer) error {
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reader := bytes.NewReader(pptx_template)
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zipReader, err := zip.NewReader(reader, reader.Size())
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if err != nil {
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fmt.Printf("%v", err)
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}
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for _, f := range zipReader.File {
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fw, err := w.Create(f.Name)
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if err != nil {
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return err
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}
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fr, err := f.Open()
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if err != nil {
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return err
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}
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_, err = io.Copy(fw, fr)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func addFile(zipFile *zip.Writer, filePath, content string) error {
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w, err := zipFile.Create(filePath)
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if err != nil {
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return err
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}
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w.Write([]byte(content))
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return nil
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}
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// https://startbigthinksmall.wordpress.com/2010/01/04/points-inches-and-emus-measuring-units-in-office-open-xml/
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const SLIDE_WIDTH = 9144000
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const SLIDE_HEIGHT = 5143500
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const HEADER_HEIGHT = 392471
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const IMAGE_WIDTH = SLIDE_WIDTH
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const IMAGE_HEIGHT = SLIDE_HEIGHT - HEADER_HEIGHT
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const RELS_SLIDE_XML = `<?xml version='1.0' encoding='UTF-8' standalone='yes'?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideLayout" Target="../slideLayouts/slideLayout7.xml" /><Relationship Id="%s" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/image" Target="../media/%s.png" /></Relationships>`
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func getRelsSlideXml(imageId string) string {
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return fmt.Sprintf(RELS_SLIDE_XML, imageId, imageId)
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}
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const SLIDE_XML = `<?xml version='1.0' encoding='UTF-8' standalone='yes'?><p:sld xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" xmlns:p="http://schemas.openxmlformats.org/presentationml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships"><p:cSld><p:spTree><p:nvGrpSpPr><p:cNvPr id="1" name="" /><p:cNvGrpSpPr /><p:nvPr /></p:nvGrpSpPr><p:grpSpPr /><p:pic><p:nvPicPr><p:cNvPr id="2" name="%s" descr="%s" /><p:cNvPicPr><a:picLocks noChangeAspect="1" /></p:cNvPicPr><p:nvPr /></p:nvPicPr><p:blipFill><a:blip r:embed="%s" /><a:stretch><a:fillRect /></a:stretch></p:blipFill><p:spPr><a:xfrm><a:off x="%d" y="%d" /><a:ext cx="%d" cy="%d" /></a:xfrm><a:prstGeom prst="rect"><a:avLst /></a:prstGeom></p:spPr></p:pic><p:sp><p:nvSpPr><p:cNvPr id="95" name="%s" /><p:cNvSpPr txBox="1" /><p:nvPr /></p:nvSpPr><p:spPr><a:xfrm><a:off x="4001" y="6239" /><a:ext cx="9135998" cy="%d" /></a:xfrm><a:prstGeom prst="rect"><a:avLst /></a:prstGeom><a:ln w="12700"><a:miter lim="400000" /></a:ln><a:extLst><a:ext uri="{C572A759-6A51-4108-AA02-DFA0A04FC94B}"><ma14:wrappingTextBoxFlag val="1" xmlns:ma14="http://schemas.microsoft.com/office/mac/drawingml/2011/main" /></a:ext></a:extLst></p:spPr><p:txBody><a:bodyPr lIns="45719" rIns="45719"><a:spAutoFit /></a:bodyPr><a:lstStyle><a:lvl1pPr><a:defRPr sz="2400" /></a:lvl1pPr></a:lstStyle><a:p><a:pPr />%s</a:p></p:txBody></p:sp></p:spTree></p:cSld><p:clrMapOvr><a:masterClrMapping /></p:clrMapOvr></p:sld>`
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func getSlideXml(boardPath []string, imageId string, top, left, width, height int) string {
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var slideTitle string
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boardName := boardPath[len(boardPath)-1]
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prefixPath := boardPath[:len(boardPath)-1]
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if len(prefixPath) > 0 {
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prefix := strings.Join(prefixPath, " / ") + " / "
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slideTitle = fmt.Sprintf(`<a:r><a:t>%s</a:t></a:r><a:r><a:rPr b="1" /><a:t>%s</a:t></a:r>`, prefix, boardName)
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} else {
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slideTitle = fmt.Sprintf(`<a:r><a:rPr b="1" /><a:t>%s</a:t></a:r>`, boardName)
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}
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slideDescription := strings.Join(boardPath, " / ")
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top += HEADER_HEIGHT
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return fmt.Sprintf(SLIDE_XML, slideDescription, slideDescription, imageId, left, top, width, height, slideDescription, HEADER_HEIGHT, slideTitle)
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}
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func getPresentationXmlRels(slideFileNames []string) string {
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var builder strings.Builder
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builder.WriteString(`<?xml version='1.0' encoding='UTF-8' standalone='yes'?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/presProps" Target="presProps.xml" /><Relationship Id="rId4" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/viewProps" Target="viewProps.xml" /><Relationship Id="rId5" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme" Target="theme/theme1.xml" /><Relationship Id="rId6" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/tableStyles" Target="tableStyles.xml" /><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideMaster" Target="slideMasters/slideMaster1.xml" /><Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/printerSettings" Target="printerSettings/printerSettings1.bin" />`)
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for _, name := range slideFileNames {
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builder.WriteString(fmt.Sprintf(
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`<Relationship Id="%s" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide" Target="slides/%s.xml" />`, name, name,
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))
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}
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builder.WriteString("</Relationships>")
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return builder.String()
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}
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func getContentTypesXml(slideFileNames []string) string {
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var builder strings.Builder
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builder.WriteString(`<?xml version='1.0' encoding='UTF-8' standalone='yes'?><Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types"><Default Extension="bin" ContentType="application/vnd.openxmlformats-officedocument.presentationml.printerSettings" /><Default Extension="jpeg" ContentType="image/jpeg" /><Default Extension="png" ContentType="image/png" /><Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml" /><Default Extension="xml" ContentType="application/xml" /><Override PartName="/docProps/app.xml" ContentType="application/vnd.openxmlformats-officedocument.extended-properties+xml" /><Override PartName="/docProps/core.xml" ContentType="application/vnd.openxmlformats-package.core-properties+xml" /><Override PartName="/ppt/presProps.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.presProps+xml" /><Override PartName="/ppt/presentation.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.presentation.main+xml" /><Override PartName="/ppt/slideLayouts/slideLayout1.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml" /><Override PartName="/ppt/slideLayouts/slideLayout10.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml" /><Override PartName="/ppt/slideLayouts/slideLayout11.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml" /><Override PartName="/ppt/slideLayouts/slideLayout2.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml" /><Override PartName="/ppt/slideLayouts/slideLayout3.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml" /><Override PartName="/ppt/slideLayouts/slideLayout4.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml" /><Override PartName="/ppt/slideLayouts/slideLayout5.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml" /><Override PartName="/ppt/slideLayouts/slideLayout6.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml" /><Override PartName="/ppt/slideLayouts/slideLayout7.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml" /><Override PartName="/ppt/slideLayouts/slideLayout8.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml" /><Override PartName="/ppt/slideLayouts/slideLayout9.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml" /><Override PartName="/ppt/slideMasters/slideMaster1.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideMaster+xml" />`)
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for _, name := range slideFileNames {
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builder.WriteString(fmt.Sprintf(
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`<Override PartName="/ppt/slides/%s.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slide+xml" />`, name,
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))
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}
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builder.WriteString(`<Override PartName="/ppt/tableStyles.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.tableStyles+xml" /><Override PartName="/ppt/theme/theme1.xml" ContentType="application/vnd.openxmlformats-officedocument.theme+xml" /><Override PartName="/ppt/viewProps.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.viewProps+xml" /></Types>`)
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return builder.String()
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}
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func getPresentationXml(slideFileNames []string) string {
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var builder strings.Builder
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builder.WriteString(`<?xml version='1.0' encoding='UTF-8' standalone='yes'?><p:presentation xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:p="http://schemas.openxmlformats.org/presentationml/2006/main" saveSubsetFonts="1" autoCompressPictures="0"><p:sldMasterIdLst><p:sldMasterId id="2147483648" r:id="rId1" /></p:sldMasterIdLst>`)
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builder.WriteString("<p:sldIdLst>")
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for i, name := range slideFileNames {
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builder.WriteString(fmt.Sprintf(`<p:sldId id="%d" r:id="%s" />`, i, name))
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}
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builder.WriteString("</p:sldIdLst>")
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builder.WriteString(fmt.Sprintf(
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`<p:sldSz cx="%d" cy="%d" type="screen4x3" /><p:notesSz cx="6858000" cy="9144000" /><p:defaultTextStyle><a:defPPr><a:defRPr lang="en-US" /></a:defPPr><a:lvl1pPr marL="0" algn="l" defTabSz="457200" rtl="0" eaLnBrk="1" latinLnBrk="0" hangingPunct="1"><a:defRPr sz="1800" kern="1200"><a:solidFill><a:schemeClr val="tx1" /></a:solidFill><a:latin typeface="+mn-lt" /><a:ea typeface="+mn-ea" /><a:cs typeface="+mn-cs" /></a:defRPr></a:lvl1pPr><a:lvl2pPr marL="457200" algn="l" defTabSz="457200" rtl="0" eaLnBrk="1" latinLnBrk="0" hangingPunct="1"><a:defRPr sz="1800" kern="1200"><a:solidFill><a:schemeClr val="tx1" /></a:solidFill><a:latin typeface="+mn-lt" /><a:ea typeface="+mn-ea" /><a:cs typeface="+mn-cs" /></a:defRPr></a:lvl2pPr><a:lvl3pPr marL="914400" algn="l" defTabSz="457200" rtl="0" eaLnBrk="1" latinLnBrk="0" hangingPunct="1"><a:defRPr sz="1800" kern="1200"><a:solidFill><a:schemeClr val="tx1" /></a:solidFill><a:latin typeface="+mn-lt" /><a:ea typeface="+mn-ea" /><a:cs typeface="+mn-cs" /></a:defRPr></a:lvl3pPr><a:lvl4pPr marL="1371600" algn="l" defTabSz="457200" rtl="0" eaLnBrk="1" latinLnBrk="0" hangingPunct="1"><a:defRPr sz="1800" kern="1200"><a:solidFill><a:schemeClr val="tx1" /></a:solidFill><a:latin typeface="+mn-lt" /><a:ea typeface="+mn-ea" /><a:cs typeface="+mn-cs" /></a:defRPr></a:lvl4pPr><a:lvl5pPr marL="1828800" algn="l" defTabSz="457200" rtl="0" eaLnBrk="1" latinLnBrk="0" hangingPunct="1"><a:defRPr sz="1800" kern="1200"><a:solidFill><a:schemeClr val="tx1" /></a:solidFill><a:latin typeface="+mn-lt" /><a:ea typeface="+mn-ea" /><a:cs typeface="+mn-cs" /></a:defRPr></a:lvl5pPr><a:lvl6pPr marL="2286000" algn="l" defTabSz="457200" rtl="0" eaLnBrk="1" latinLnBrk="0" hangingPunct="1"><a:defRPr sz="1800" kern="1200"><a:solidFill><a:schemeClr val="tx1" /></a:solidFill><a:latin typeface="+mn-lt" /><a:ea typeface="+mn-ea" /><a:cs typeface="+mn-cs" /></a:defRPr></a:lvl6pPr><a:lvl7pPr marL="2743200" algn="l" defTabSz="457200" rtl="0" eaLnBrk="1" latinLnBrk="0" hangingPunct="1"><a:defRPr sz="1800" kern="1200"><a:solidFill><a:schemeClr val="tx1" /></a:solidFill><a:latin typeface="+mn-lt" /><a:ea typeface="+mn-ea" /><a:cs typeface="+mn-cs" /></a:defRPr></a:lvl7pPr><a:lvl8pPr marL="3200400" algn="l" defTabSz="457200" rtl="0" eaLnBrk="1" latinLnBrk="0" hangingPunct="1"><a:defRPr sz="1800" kern="1200"><a:solidFill><a:schemeClr val="tx1" /></a:solidFill><a:latin typeface="+mn-lt" /><a:ea typeface="+mn-ea" /><a:cs typeface="+mn-cs" /></a:defRPr></a:lvl8pPr><a:lvl9pPr marL="3657600" algn="l" defTabSz="457200" rtl="0" eaLnBrk="1" latinLnBrk="0" hangingPunct="1"><a:defRPr sz="1800" kern="1200"><a:solidFill><a:schemeClr val="tx1" /></a:solidFill><a:latin typeface="+mn-lt" /><a:ea typeface="+mn-ea" /><a:cs typeface="+mn-cs" /></a:defRPr></a:lvl9pPr></p:defaultTextStyle></p:presentation>`,
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SLIDE_WIDTH,
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SLIDE_HEIGHT,
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))
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return builder.String()
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}
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func getCoreXml(title, subject, description, creator string) string {
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var builder strings.Builder
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builder.WriteString(`<?xml version='1.0' encoding='UTF-8' standalone='yes'?>`)
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builder.WriteString(`<cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dcmitype="http://purl.org/dc/dcmitype/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">`)
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builder.WriteString(fmt.Sprintf(`<dc:title>%s</dc:title>`, title))
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builder.WriteString(fmt.Sprintf(`<dc:subject>%s</dc:subject>`, subject))
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builder.WriteString(fmt.Sprintf(`<dc:creator>%s</dc:creator>`, creator))
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builder.WriteString(`<cp:keywords />`)
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builder.WriteString(fmt.Sprintf(`<dc:description>%s</dc:description>`, description))
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builder.WriteString(fmt.Sprintf(`<cp:lastModifiedBy>%s</cp:lastModifiedBy>`, creator))
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builder.WriteString(`<cp:revision>1</cp:revision>`)
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dateTime := time.Now().Format("RFC3339")
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builder.WriteString(fmt.Sprintf(`<dcterms:created xsi:type="dcterms:W3CDTF">%s</dcterms:created>`, dateTime))
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builder.WriteString(fmt.Sprintf(`<dcterms:modified xsi:type="dcterms:W3CDTF">%s</dcterms:modified>`, dateTime))
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builder.WriteString(`<cp:category />`)
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builder.WriteString(`</cp:coreProperties>`)
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return builder.String()
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}
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func getAppXml(nSlides int, d2version string) string {
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var builder strings.Builder
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builder.WriteString(`<?xml version="1.0" encoding="UTF-8" standalone="yes"?>`)
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builder.WriteString(`<Properties xmlns="http://schemas.openxmlformats.org/officeDocument/2006/extended-properties" xmlns:vt="http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes">`)
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builder.WriteString(`<TotalTime>1</TotalTime>`)
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builder.WriteString(`<Words>0</Words>`)
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builder.WriteString(`<Application>D2</Application>`)
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builder.WriteString(`<PresentationFormat>On-screen Show (4:3)</PresentationFormat>`)
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builder.WriteString(`<Paragraphs>0</Paragraphs>`)
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builder.WriteString(fmt.Sprintf(`<Slides>%d</Slides>`, nSlides))
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builder.WriteString(`<Notes>0</Notes>`)
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builder.WriteString(`<HiddenSlides>0</HiddenSlides>`)
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builder.WriteString(`<MMClips>0</MMClips>`)
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builder.WriteString(`<ScaleCrop>false</ScaleCrop>`)
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builder.WriteString(`<HeadingPairs>`)
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builder.WriteString(`<vt:vector size="4" baseType="variant">`)
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builder.WriteString(`<vt:variant>`)
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builder.WriteString(`<vt:lpstr>Theme</vt:lpstr>`)
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builder.WriteString(`</vt:variant>`)
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builder.WriteString(`<vt:variant>`)
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builder.WriteString(`<vt:i4>1</vt:i4>`)
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builder.WriteString(`</vt:variant>`)
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builder.WriteString(`<vt:variant>`)
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builder.WriteString(`<vt:lpstr>Slide Titles</vt:lpstr>`)
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builder.WriteString(`</vt:variant>`)
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builder.WriteString(`<vt:variant>`)
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builder.WriteString(`<vt:i4>0</vt:i4>`)
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builder.WriteString(`</vt:variant>`)
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builder.WriteString(`</vt:vector>`)
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builder.WriteString(`</HeadingPairs>`)
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builder.WriteString(`<TitlesOfParts>`)
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builder.WriteString(`<vt:vector size="1" baseType="lpstr">`)
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builder.WriteString(`<vt:lpstr>Office Theme</vt:lpstr>`)
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builder.WriteString(`</vt:vector>`)
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builder.WriteString(`</TitlesOfParts>`)
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builder.WriteString(`<Manager></Manager>`)
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builder.WriteString(`<Company></Company>`)
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builder.WriteString(`<LinksUpToDate>false</LinksUpToDate>`)
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builder.WriteString(`<SharedDoc>false</SharedDoc>`)
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builder.WriteString(`<HyperlinkBase></HyperlinkBase>`)
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builder.WriteString(`<HyperlinksChanged>false</HyperlinksChanged>`)
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builder.WriteString(fmt.Sprintf(`<AppVersion>%s</AppVersion>`, d2version))
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builder.WriteString(`</Properties>`)
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return builder.String()
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}
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