BlackForestBytes/goext
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v0.0.458 revert 457 and fix ObjectFitImage
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This commit is contained in:
Mike Schwörer 2024-05-20 00:15:24 +02:00
parent bfa8457e95
commit d8b2d01274
Signed by: Mikescher
GPG Key ID: D3C7172E0A70F8CF
3 changed files with 13 additions and 23 deletions
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4
goextVersion.go
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@ -1,5 +1,5 @@
package goext package goext
const GoextVersion = "0.0.457" const GoextVersion = "0.0.458"
const GoextVersionTimestamp = "2024-05-20T00:07:33+0200" const GoextVersionTimestamp = "2024-05-20T00:15:24+0200"

10
imageext/image.go
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@ -234,11 +234,15 @@ func ObjectFitImage(img image.Image, bbw float64, bbh float64, fit ImageFit, fil
// we scale the bounding box by fac (both dimension the same amount, to keep the bounding-box ratio) // we scale the bounding box by fac (both dimension the same amount, to keep the bounding-box ratio)
// [ow|oh] ==> size of output image (same ratio as bounding box [bbw|bbh])
ow := int(math.Round(bbw * facOut)) ow := int(math.Round(bbw * facOut))
oh := int(math.Round(bbh * facOut)) oh := int(math.Round(bbh * facOut))
facScale := mathext.Min(float64(ow)/float64(iw), float64(oh)/float64(ih)) facScale := mathext.Min(float64(ow)/float64(iw), float64(oh)/float64(ih))
// [dw|dh] ==> size of destination rect (where to draw source in output image) (same ratio as input image [iw|ih])
dw := int(math.Round(float64(iw) * facScale)) dw := int(math.Round(float64(iw) * facScale))
dh := int(math.Round(float64(ih) * facScale)) dh := int(math.Round(float64(ih) * facScale))
@ -248,11 +252,11 @@ func ObjectFitImage(img image.Image, bbw float64, bbh float64, fit ImageFit, fil
if fit == ImageFitContainCenter { if fit == ImageFitContainCenter {
destBounds = image.Rect((ow-dw)/2, (oh-dh)/2, (ow-dw)/2+dw, (oh-dh)/2+dh) destBounds = image.Rect((ow-dw)/2, (oh-dh)/2, (ow-dw)/2+dw, (oh-dh)/2+dh)
} else if fit == ImageFitContainTopLeft { } else if fit == ImageFitContainTopLeft {
destBounds = image.Rect(0, 0, iw, dh) destBounds = image.Rect(0, 0, dw, dh)
} else if fit == ImageFitContainTopRight { } else if fit == ImageFitContainTopRight {
destBounds = image.Rect(ow-iw, 0, ow, dh) destBounds = image.Rect(ow-dw, 0, dw, dh)
} else if fit == ImageFitContainBottomLeft { } else if fit == ImageFitContainBottomLeft {
destBounds = image.Rect(0, oh-dh, iw, oh) destBounds = image.Rect(0, oh-dh, dw, oh)
} else if fit == ImageFitContainBottomRight { } else if fit == ImageFitContainBottomRight {
destBounds = image.Rect(ow-dw, oh-dh, ow, oh) destBounds = image.Rect(ow-dw, oh-dh, ow, oh)
} }

22
wpdf/wpdfImage.go
View File

@ -7,9 +7,7 @@ import (
"gogs.mikescher.com/BlackForestBytes/goext/langext" "gogs.mikescher.com/BlackForestBytes/goext/langext"
"image" "image"
"image/color" "image/color"
"image/png"
"net/http" "net/http"
"os"
) )
type PDFImageRef struct { type PDFImageRef struct {
@ -229,7 +227,7 @@ func (b *WPDFBuilder) Image(img *PDFImageRef, opts ...*PDFImageOpt) {
reEncodePixelPerMM := 15.0 reEncodePixelPerMM := 15.0
var imageFit *imageext.ImageFit = nil var imageFit *imageext.ImageFit = nil
var fillColor color.Color = color.Transparent var fillColor color.Color = color.Transparent
var compression *imageext.ImageCompresson = nil compression := imageext.CompressionPNGSpeed
var crop *imageext.ImageCrop = nil var crop *imageext.ImageCrop = nil
for _, opt := range opts { for _, opt := range opts {
@ -245,14 +243,14 @@ func (b *WPDFBuilder) Image(img *PDFImageRef, opts ...*PDFImageOpt) {
allowNegativePosition = langext.Coalesce(opt.allowNegativePosition, allowNegativePosition) allowNegativePosition = langext.Coalesce(opt.allowNegativePosition, allowNegativePosition)
imageFit = langext.CoalesceOpt(opt.imageFit, imageFit) imageFit = langext.CoalesceOpt(opt.imageFit, imageFit)
fillColor = langext.Coalesce(opt.fillColor, fillColor) fillColor = langext.Coalesce(opt.fillColor, fillColor)
compression = langext.CoalesceOpt(opt.compression, compression) compression = langext.Coalesce(opt.compression, compression)
reEncodePixelPerMM = langext.Coalesce(opt.reEncodePixelPerMM, reEncodePixelPerMM) reEncodePixelPerMM = langext.Coalesce(opt.reEncodePixelPerMM, reEncodePixelPerMM)
crop = langext.CoalesceOpt(opt.crop, crop) crop = langext.CoalesceOpt(opt.crop, crop)
} }
regName := img.Name regName := img.Name
if imageFit != nil || fillColor != nil || crop != nil || compression != nil { if imageFit != nil || fillColor != nil || crop != nil {
var dataimg image.Image var dataimg image.Image
if img.Image != nil { if img.Image != nil {
@ -263,16 +261,6 @@ func (b *WPDFBuilder) Image(img *PDFImageRef, opts ...*PDFImageOpt) {
b.b.SetError(err) b.b.SetError(err)
return return
} }
img.Image = langext.Ptr(dataimg)
}
_ = os.WriteFile("/tmp/a.png", img.Bin, 0755)
{
bfr := bytes.Buffer{}
enc := &png.Encoder{CompressionLevel: png.NoCompression}
_ = enc.Encode(&bfr, dataimg)
_ = os.WriteFile("/tmp/b.png", img.Bin, 0755)
} }
if crop != nil { if crop != nil {
@ -296,7 +284,7 @@ func (b *WPDFBuilder) Image(img *PDFImageRef, opts ...*PDFImageOpt) {
} }
} }
bfr, imgMime, err := imageext.EncodeImage(dataimg, langext.Coalesce(compression, imageext.CompressionPNGSpeed)) bfr, imgMime, err := imageext.EncodeImage(dataimg, compression)
if err != nil { if err != nil {
b.b.SetError(err) b.b.SetError(err)
return return
@ -313,8 +301,6 @@ func (b *WPDFBuilder) Image(img *PDFImageRef, opts ...*PDFImageOpt) {
imageType = "GIF" imageType = "GIF"
} }
_ = os.WriteFile("/tmp/c.png", bfr.Bytes(), 0755)
b.b.RegisterImageOptionsReader(regName, gofpdf.ImageOptions{ImageType: imageType}, &bfr) b.b.RegisterImageOptionsReader(regName, gofpdf.ImageOptions{ImageType: imageType}, &bfr)
} }