3D and Visual Effects

使用 3D 效果和视觉效果 — Aspose.Slides FOSS for Java

Aspose.Slides FOSS for Java 为每个形状提供了两个独立的效果系统：

EffectFormat (shape.getEffectFormat()): 2D 可视化效果：阴影、发光、柔边、模糊、反射
ThreeDFormat (shape.getThreeDFormat()): 3D 外观：斜角、相机投影、灯光装置、材质、挤压深度

两者在保存/重新加载周期中都会保持持久。

视觉效果 (EffectFormat)

外部投影阴影

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.drawing.Color;
import org.aspose.slides.foss.export.SaveFormat;

try (Presentation prs = new Presentation()) {
    var shape = prs.getSlides().get(0).getShapes().addAutoShape(ShapeType.RECTANGLE, 100, 100, 300, 120);
    shape.addTextFrame("Shadowed Text");

    var ef = shape.getEffectFormat();
    ef.enableOuterShadowEffect();
    ef.getOuterShadowEffect().setBlurRadius(10);      // softness in points
    ef.getOuterShadowEffect().setDirection(315);       // angle: 315 = upper-left cast
    ef.getOuterShadowEffect().setDistance(8);          // offset in points
    ef.getOuterShadowEffect().getShadowColor().setColor(Color.fromArgb(128, 0, 0, 0));  // semi-transparent black

    prs.save("shadow.pptx", SaveFormat.PPTX);
}

常用 direction 值: 0 = 右, 45 = 右下, 90 = 下, 270 = 上, 315 = 左上.

发光效果

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.drawing.Color;
import org.aspose.slides.foss.export.SaveFormat;

try (Presentation prs = new Presentation()) {
    var shape = prs.getSlides().get(0).getShapes().addAutoShape(ShapeType.ELLIPSE, 150, 100, 200, 200);

    var ef = shape.getEffectFormat();
    ef.enableGlowEffect();
    ef.getGlowEffect().setRadius(15);
    ef.getGlowEffect().getColor().setColor(Color.fromArgb(255, 255, 215, 0));  // gold

    prs.save("glow.pptx", SaveFormat.PPTX);
}

柔化边缘（羽化边框）

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.export.SaveFormat;

try (Presentation prs = new Presentation()) {
    var shape = prs.getSlides().get(0).getShapes().addAutoShape(ShapeType.RECTANGLE, 100, 100, 350, 180);

    var ef = shape.getEffectFormat();
    ef.enableSoftEdgeEffect();
    ef.getSoftEdgeEffect().setRadius(12);   // feather radius in points

    prs.save("soft-edge.pptx", SaveFormat.PPTX);
}

模糊

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.export.SaveFormat;

try (Presentation prs = new Presentation()) {
    var shape = prs.getSlides().get(0).getShapes().addAutoShape(ShapeType.RECTANGLE, 100, 100, 350, 180);

    shape.getEffectFormat().setBlurEffect(8, true);

    prs.save("blur.pptx", SaveFormat.PPTX);
}

检查和删除效果

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ShapeType;

try (Presentation prs = new Presentation()) {
    var shape = prs.getSlides().get(0).getShapes().addAutoShape(ShapeType.RECTANGLE, 100, 100, 200, 100);
    var ef = shape.getEffectFormat();

    ef.enableOuterShadowEffect();
    ef.enableGlowEffect();
    System.out.println("Has effects: " + !ef.isNoEffects());  // true

    ef.disableOuterShadowEffect();
    ef.disableGlowEffect();
    System.out.println("Has effects: " + !ef.isNoEffects());  // false
}

3D 格式化 (ThreeDFormat)

斜角效果

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.BevelPresetType;
import org.aspose.slides.foss.export.SaveFormat;

try (Presentation prs = new Presentation()) {
    var shape = prs.getSlides().get(0).getShapes().addAutoShape(ShapeType.RECTANGLE, 150, 150, 250, 120);
    shape.addTextFrame("3D Button");

    var tdf = shape.getThreeDFormat();
    tdf.getBevelTop().setBevelType(BevelPresetType.CIRCLE);
    tdf.getBevelTop().setWidth(12);
    tdf.getBevelTop().setHeight(6);

    prs.save("bevel.pptx", SaveFormat.PPTX);
}

BevelPresetType 值: CIRCLE, RELAXED_INSET, COOL_SLANT, DIVOT, RIBLET, HARD_EDGE, SLOPE, CONVEX

相机预设

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.BevelPresetType;
import org.aspose.slides.foss.CameraPresetType;
import org.aspose.slides.foss.export.SaveFormat;

try (Presentation prs = new Presentation()) {
    var shape = prs.getSlides().get(0).getShapes().addAutoShape(ShapeType.RECTANGLE, 150, 150, 250, 120);
    var tdf = shape.getThreeDFormat();
    tdf.getBevelTop().setBevelType(BevelPresetType.CIRCLE);
    tdf.getBevelTop().setWidth(10);
    tdf.getCamera().setCameraType(CameraPresetType.PERSPECTIVE_ABOVE);
    prs.save("camera.pptx", SaveFormat.PPTX);
}

灯光装置和材质

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.BevelPresetType;
import org.aspose.slides.foss.CameraPresetType;
import org.aspose.slides.foss.LightRigPresetType;
import org.aspose.slides.foss.LightingDirection;
import org.aspose.slides.foss.MaterialPresetType;
import org.aspose.slides.foss.export.SaveFormat;

try (Presentation prs = new Presentation()) {
    var shape = prs.getSlides().get(0).getShapes().addAutoShape(ShapeType.RECTANGLE, 150, 150, 250, 120);
    shape.addTextFrame("Metal Button");

    var tdf = shape.getThreeDFormat();
    tdf.getBevelTop().setBevelType(BevelPresetType.CIRCLE);
    tdf.getBevelTop().setWidth(10);
    tdf.getBevelTop().setHeight(5);
    tdf.getCamera().setCameraType(CameraPresetType.PERSPECTIVE_ABOVE);
    tdf.getLightRig().setLightType(LightRigPresetType.BALANCED);
    tdf.getLightRig().setDirection(LightingDirection.TOP);
    tdf.setMaterial(MaterialPresetType.METAL);
    tdf.setDepth(20);

    prs.save("3d-metal.pptx", SaveFormat.PPTX);
}

MaterialPresetType 值: MATTE, WARM_MATTE, PLASTIC, METAL, FLAT, SOFT_EDGE, CLEAR

组合 2D 与 3D 效果

您可以将 getEffectFormat() 和 getThreeDFormat() 同时应用于同一形状：

import org.aspose.slides.foss.Presentation;
import org.aspose.slides.foss.ShapeType;
import org.aspose.slides.foss.FillType;
import org.aspose.slides.foss.BevelPresetType;
import org.aspose.slides.foss.CameraPresetType;
import org.aspose.slides.foss.MaterialPresetType;
import org.aspose.slides.foss.drawing.Color;
import org.aspose.slides.foss.export.SaveFormat;

try (Presentation prs = new Presentation()) {
    var shape = prs.getSlides().get(0).getShapes().addAutoShape(ShapeType.ROUND_CORNER_RECTANGLE, 150, 150, 300, 120);
    shape.addTextFrame("Premium Card");

    // Solid fill
    shape.getFillFormat().setFillType(FillType.SOLID);
    shape.getFillFormat().getSolidFillColor().setColor(Color.fromArgb(255, 30, 80, 180));

    // 3D bevel
    var tdf = shape.getThreeDFormat();
    tdf.getBevelTop().setBevelType(BevelPresetType.CIRCLE);
    tdf.getBevelTop().setWidth(8);
    tdf.getCamera().setCameraType(CameraPresetType.PERSPECTIVE_ABOVE);
    tdf.setMaterial(MaterialPresetType.PLASTIC);

    // Drop shadow
    var ef = shape.getEffectFormat();
    ef.enableOuterShadowEffect();
    ef.getOuterShadowEffect().setBlurRadius(12);
    ef.getOuterShadowEffect().setDirection(270);
    ef.getOuterShadowEffect().setDistance(6);
    ef.getOuterShadowEffect().getShadowColor().setColor(Color.fromArgb(80, 0, 0, 0));

    prs.save("premium-card.pptx", SaveFormat.PPTX);
}