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