Files
ofdgo/ofdgo_pdf_3d_mode.go
T
2026-10-08 01:06:43 +08:00

75 lines
3.0 KiB
Go

// Copyright 2025-2026 肖其顿 (XIAO QI DUN)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ofdgo
import "github.com/xiaoqidun/pdfgo"
// pdfThreeDRenderMode 将PDF标准绘制模式映射到通用几何绘制参数
// 入参: source 三维参数, options 绘制选项
// 返回: error 未支持的模式错误
func pdfThreeDRenderMode(source pdfgo.ThreeD, options *U3DRenderOptions) error {
mode := source.Presentation.RenderMode
if mode == nil {
return nil
}
switch mode.Subtype {
case "Solid":
case "Transparent":
options.Opacity = &mode.Opacity
case "SolidWireframe", "TransparentWireframe":
options.Mode, options.AuxiliaryColor = U3DRenderSolidWireframe, &mode.AuxiliaryColor
if mode.Subtype == "TransparentWireframe" {
options.Opacity = &mode.Opacity
}
case "Wireframe":
options.Mode, options.AuxiliaryColor = U3DRenderWireframe, &mode.AuxiliaryColor
case "ShadedWireframe":
options.Mode = U3DRenderShadedWireframe
case "HiddenWireframe":
options.Mode, options.AuxiliaryColor = U3DRenderHiddenWireframe, &mode.AuxiliaryColor
case "Vertices":
options.Mode, options.AuxiliaryColor = U3DRenderVertices, &mode.AuxiliaryColor
case "ShadedVertices":
options.Mode = U3DRenderShadedVertices
case "BoundingBox":
options.Mode, options.AuxiliaryColor = U3DRenderBoundingBox, &mode.AuxiliaryColor
case "TransparentBoundingBox", "TransparentBoundingBoxOutline":
options.Mode = U3DRenderBoundingBoxFaces
options.FaceColor, options.Opacity = mode.FaceColor, &mode.Opacity
if mode.Subtype == "TransparentBoundingBoxOutline" {
options.Mode, options.AuxiliaryColor = U3DRenderBoundingBoxOutline, &mode.AuxiliaryColor
}
case "Illustration":
options.Mode = U3DRenderIllustration
options.AuxiliaryColor, options.FaceColor, options.CreaseAngle = &mode.AuxiliaryColor, mode.FaceColor, &mode.CreaseAngle
case "SolidOutline", "ShadedIllustration":
options.Mode = U3DRenderSolidOutline
if mode.Subtype == "ShadedIllustration" {
options.Mode = U3DRenderShadedIllustration
}
options.AuxiliaryColor, options.CreaseAngle = &mode.AuxiliaryColor, &mode.CreaseAngle
default:
return &pdfgo.UnsupportedError{Feature: "3D render mode " + string(mode.Subtype)}
}
if mode.AnnotationBackground && (mode.Subtype == "Illustration" || mode.Subtype == "TransparentBoundingBox" || mode.Subtype == "TransparentBoundingBoxOutline") {
options.FaceColor = source.AnnotationBackground
if source.AnnotationBackground == nil {
zero := 0.0
options.Opacity = &zero
}
}
return nil
}