BlackForestBytes/goext
19
0
Fork 0
Code Actions Activity

v0.0.494 add tables to wpdf
Some checks failed
Build Docker and Deploy / Run goext test-suite (push) Has been cancelled
Details

Browse Source
This commit is contained in:
Mike Schwörer
2024-08-07 13:57:29 +02:00
parent f1b4480e0f
commit b78a468632
11 changed files with 646 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
wpdf/wpdfImage.go
View File

@@ -3,6 +3,7 @@ package wpdf
import (
"bytes"
"github.com/jung-kurt/gofpdf"
"gogs.mikescher.com/BlackForestBytes/goext/dataext"
"gogs.mikescher.com/BlackForestBytes/goext/imageext"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"image"
@@ -130,6 +131,8 @@ type PDFImageOpt struct {
compression *imageext.ImageCompresson
reEncodePixelPerMM *float64
crop *imageext.ImageCrop
alphaOverride *dataext.Tuple[float64, PDFBlendMode]
debug *bool
}
func NewPDFImageOpt() *PDFImageOpt {
@@ -156,6 +159,11 @@ func (opt *PDFImageOpt) Height(v float64) *PDFImageOpt {
return opt
}
func (opt *PDFImageOpt) Debug(v bool) *PDFImageOpt {
opt.debug = &v
return opt
}
func (opt *PDFImageOpt) Flow(v bool) *PDFImageOpt {
opt.flow = &v
return opt
@@ -217,6 +225,11 @@ func (opt *PDFImageOpt) Crop(cropX float64, cropY float64, cropWidth float64, cr
return opt
}
func (opt *PDFImageOpt) Alpha(alpha float64, blendMode PDFBlendMode) *PDFImageOpt {
opt.alphaOverride = &dataext.Tuple[float64, PDFBlendMode]{V1: alpha, V2: blendMode}
return opt
}
func (b *WPDFBuilder) Image(img *PDFImageRef, opts ...*PDFImageOpt) {
var err error
@@ -234,7 +247,9 @@ func (b *WPDFBuilder) Image(img *PDFImageRef, opts ...*PDFImageOpt) {
var imageFit *imageext.ImageFit = nil
var fillColor color.Color = color.Transparent
compression := imageext.CompressionPNGSpeed
debug := false
var crop *imageext.ImageCrop = nil
var alphaOverride *dataext.Tuple[float64, PDFBlendMode]
for _, opt := range opts {
x = langext.Coalesce(opt.x, x)
@@ -252,10 +267,14 @@ func (b *WPDFBuilder) Image(img *PDFImageRef, opts ...*PDFImageOpt) {
compression = langext.Coalesce(opt.compression, compression)
reEncodePixelPerMM = langext.Coalesce(opt.reEncodePixelPerMM, reEncodePixelPerMM)
crop = langext.CoalesceOpt(opt.crop, crop)
debug = langext.Coalesce(opt.debug, debug)
alphaOverride = langext.CoalesceOpt(opt.alphaOverride, alphaOverride)
}
regName := img.Name
var subImageBounds *imageext.PercentageRectangle = nil
if imageFit != nil || fillColor != nil || crop != nil {
var dataimg image.Image
@@ -283,11 +302,14 @@ func (b *WPDFBuilder) Image(img *PDFImageRef, opts ...*PDFImageOpt) {
pxw := w * pdfPixelPerMillimeter
pxh := h * pdfPixelPerMillimeter
dataimg, err = imageext.ObjectFitImage(dataimg, pxw, pxh, *imageFit, fillColor)
var dataImgRect imageext.PercentageRectangle
dataimg, dataImgRect, err = imageext.ObjectFitImage(dataimg, pxw, pxh, *imageFit, fillColor)
if err != nil {
b.b.SetError(err)
return
}
subImageBounds = &dataImgRect
}
if dataimg.ColorModel() != color.RGBAModel && dataimg.ColorModel() != color.NRGBAModel {
@@ -318,6 +340,12 @@ func (b *WPDFBuilder) Image(img *PDFImageRef, opts ...*PDFImageOpt) {
}
if alphaOverride != nil {
oldA, oldBMS := b.b.GetAlpha()
b.b.SetAlpha(alphaOverride.V1, string(alphaOverride.V2))
defer func() { b.b.SetAlpha(oldA, oldBMS) }()
}
fpdfOpt := gofpdf.ImageOptions{
ImageType: imageType,
ReadDpi: readDpi,
@@ -325,4 +353,15 @@ func (b *WPDFBuilder) Image(img *PDFImageRef, opts ...*PDFImageOpt) {
}
b.b.ImageOptions(regName, x, y, w, h, flow, fpdfOpt, link, linkStr)
if debug {
b.Rect(w, h, RectOutline, NewPDFRectOpt().X(x).Y(y).LineWidth(2).DrawColor(255, 0, 0))
if subImageBounds != nil {
r := subImageBounds.Of(imageext.Rectangle{X: x, Y: y, W: w, H: h})
b.Rect(r.W, r.H, RectFill, NewPDFRectOpt().X(r.X).Y(r.Y).FillColor(255, 0, 0).Alpha(0.2, BlendNormal))
b.Line(r.X, r.Y, r.X+r.W, r.Y+r.H, NewPDFLineOpt().LineWidth(2).DrawColor(255, 0, 0))
b.Line(r.X+r.W, r.Y, r.X, r.Y+r.H, NewPDFLineOpt().LineWidth(2).DrawColor(255, 0, 0))
}
}
}