Aspose.Slides FOSS for C++ lets you apply professional-quality visual effects to PowerPoint shapes in native C++, with no Microsoft Office and no API keys. This post demonstrates the fill system, 2D effects, and 3D formatting available in the library.
Systém plnění
Každý tvar má svůj vlastní. fill_format() Čtyři typy plnění, které jsou uvedeny níže, pokrývají jádro palety návrhu PowerPointu.
Pevné plnění
Nejprve se vyplní plochou barvou s volitelnou průhledností:
#include <Aspose/Slides/Foss/auto_shape.h>
#include <Aspose/Slides/Foss/drawing/color.h>
#include <Aspose/Slides/Foss/export/save_format.h>
#include <Aspose/Slides/Foss/fill_format.h>
#include <Aspose/Slides/Foss/fill_type.h>
#include <Aspose/Slides/Foss/presentation.h>
#include <Aspose/Slides/Foss/shape_collection.h>
#include <Aspose/Slides/Foss/shape_type.h>
#include <Aspose/Slides/Foss/slide.h>
#include <Aspose/Slides/Foss/slide_collection.h>
#include <Aspose/Slides/Foss/text_frame.h>
using namespace Aspose::Slides::Foss;
using namespace Aspose::Slides::Foss::Drawing;
int main() {
Presentation prs;
auto& shape = prs.slides()[0].shapes().add_auto_shape(
ShapeType::ROUND_CORNER_RECTANGLE, 100, 100, 400, 150
);
shape.text_frame()->set_text("Solid Fill");
shape.fill_format().set_fill_type(FillType::SOLID);
shape.fill_format().solid_fill_color().set_color(Color::from_argb(255, 30, 80, 180));
prs.save("solid.pptx", SaveFormat::PPTX);
return 0;
}
Lineární gradientové vyplnění
Sklonové stanice vám umožňují smíchat se z jedné barvy do druhé napříč tvarem:
#include <Aspose/Slides/Foss/auto_shape.h>
#include <Aspose/Slides/Foss/drawing/color.h>
#include <Aspose/Slides/Foss/export/save_format.h>
#include <Aspose/Slides/Foss/fill_format.h>
#include <Aspose/Slides/Foss/fill_type.h>
#include <Aspose/Slides/Foss/gradient_format.h>
#include <Aspose/Slides/Foss/gradient_shape.h>
#include <Aspose/Slides/Foss/presentation.h>
#include <Aspose/Slides/Foss/shape_collection.h>
#include <Aspose/Slides/Foss/shape_type.h>
#include <Aspose/Slides/Foss/slide.h>
#include <Aspose/Slides/Foss/slide_collection.h>
using namespace Aspose::Slides::Foss;
using namespace Aspose::Slides::Foss::Drawing;
int main() {
Presentation prs;
auto& shape = prs.slides()[0].shapes().add_auto_shape(
ShapeType::RECTANGLE, 100, 100, 400, 150
);
auto& ff = shape.fill_format();
ff.set_fill_type(FillType::GRADIENT);
auto& gf = ff.gradient_format();
gf.set_gradient_shape(GradientShape::LINEAR);
gf.set_linear_gradient_angle(90); // top-to-bottom
gf.gradient_stops().add(0.0f, Color::from_argb(255, 30, 80, 180)); // top: blue
gf.gradient_stops().add(1.0f, Color::from_argb(255, 0, 200, 160)); // bottom: teal
prs.save("gradient.pptx", SaveFormat::PPTX);
return 0;
}
2D Visual Effects
Vnější stín kapky
Na jakýkoli tvar připojte polopřehledný odstín.:
#include <Aspose/Slides/Foss/auto_shape.h>
#include <Aspose/Slides/Foss/drawing/color.h>
#include <Aspose/Slides/Foss/effect_format.h>
#include <Aspose/Slides/Foss/export/save_format.h>
#include <Aspose/Slides/Foss/fill_format.h>
#include <Aspose/Slides/Foss/fill_type.h>
#include <Aspose/Slides/Foss/presentation.h>
#include <Aspose/Slides/Foss/shape_collection.h>
#include <Aspose/Slides/Foss/shape_type.h>
#include <Aspose/Slides/Foss/slide.h>
#include <Aspose/Slides/Foss/slide_collection.h>
#include <Aspose/Slides/Foss/text_frame.h>
using namespace Aspose::Slides::Foss;
using namespace Aspose::Slides::Foss::Drawing;
int main() {
Presentation prs;
auto& shape = prs.slides()[0].shapes().add_auto_shape(
ShapeType::ROUND_CORNER_RECTANGLE, 100, 100, 350, 150
);
shape.text_frame()->set_text("Drop Shadow");
shape.fill_format().set_fill_type(FillType::SOLID);
shape.fill_format().solid_fill_color().set_color(Color::white);
auto& ef = shape.effect_format();
ef.enable_outer_shadow_effect();
auto* shadow = ef.outer_shadow_effect();
shadow->set_blur_radius(12);
shadow->set_direction(315); // upper-left
shadow->set_distance(8);
shadow->shadow_color().set_color(Color::from_argb(100, 0, 0, 0));
prs.save("shadow.pptx", SaveFormat::PPTX);
return 0;
}
Efekt záře
Barvená halo kolem okraje tvaru:
#include <Aspose/Slides/Foss/auto_shape.h>
#include <Aspose/Slides/Foss/drawing/color.h>
#include <Aspose/Slides/Foss/effect_format.h>
#include <Aspose/Slides/Foss/export/save_format.h>
#include <Aspose/Slides/Foss/fill_format.h>
#include <Aspose/Slides/Foss/fill_type.h>
#include <Aspose/Slides/Foss/presentation.h>
#include <Aspose/Slides/Foss/shape_collection.h>
#include <Aspose/Slides/Foss/shape_type.h>
#include <Aspose/Slides/Foss/slide.h>
#include <Aspose/Slides/Foss/slide_collection.h>
using namespace Aspose::Slides::Foss;
using namespace Aspose::Slides::Foss::Drawing;
int main() {
Presentation prs;
auto& shape = prs.slides()[0].shapes().add_auto_shape(
ShapeType::ELLIPSE, 150, 100, 250, 250
);
shape.fill_format().set_fill_type(FillType::SOLID);
shape.fill_format().solid_fill_color().set_color(Color::from_argb(255, 20, 60, 140));
auto& ef = shape.effect_format();
ef.enable_glow_effect();
auto* glow = ef.glow_effect();
glow->set_radius(20);
glow->color().set_color(Color::from_argb(200, 0, 180, 255));
prs.save("glow.pptx", SaveFormat::PPTX);
return 0;
}
3D Formatting
Základní konstrukce a materiál
Úřad pro bezpečnost a ochranu zdraví three_d_format() Tato metoda dává jakékoliv ploché tvaru trojrozměrný vzhled. Kombinujte oblouk s předem nastavenou kamerou a materiál pro nejbohatší výsledek:
#include <Aspose/Slides/Foss/auto_shape.h>
#include <Aspose/Slides/Foss/bevel_preset_type.h>
#include <Aspose/Slides/Foss/camera_preset_type.h>
#include <Aspose/Slides/Foss/drawing/color.h>
#include <Aspose/Slides/Foss/export/save_format.h>
#include <Aspose/Slides/Foss/fill_format.h>
#include <Aspose/Slides/Foss/fill_type.h>
#include <Aspose/Slides/Foss/light_rig_preset_type.h>
#include <Aspose/Slides/Foss/lighting_direction.h>
#include <Aspose/Slides/Foss/material_preset_type.h>
#include <Aspose/Slides/Foss/presentation.h>
#include <Aspose/Slides/Foss/shape_collection.h>
#include <Aspose/Slides/Foss/shape_type.h>
#include <Aspose/Slides/Foss/slide.h>
#include <Aspose/Slides/Foss/slide_collection.h>
#include <Aspose/Slides/Foss/text_frame.h>
#include <Aspose/Slides/Foss/three_d_format.h>
using namespace Aspose::Slides::Foss;
using namespace Aspose::Slides::Foss::Drawing;
int main() {
Presentation prs;
auto& shape = prs.slides()[0].shapes().add_auto_shape(
ShapeType::RECTANGLE, 150, 150, 300, 130
);
shape.text_frame()->set_text("Metal Button");
// Blue solid fill
shape.fill_format().set_fill_type(FillType::SOLID);
shape.fill_format().solid_fill_color().set_color(Color::from_argb(255, 20, 70, 160));
// 3D bevel + camera + light + material
auto& tdf = shape.three_d_format();
tdf.bevel_top().set_bevel_type(BevelPresetType::CIRCLE);
tdf.bevel_top().set_width(10);
tdf.bevel_top().set_height(5);
tdf.camera().set_camera_type(CameraPresetType::PERSPECTIVE_ABOVE);
tdf.light_rig().set_light_type(LightRigPresetType::BALANCED);
tdf.light_rig().set_direction(LightingDirection::TOP);
tdf.set_material(MaterialPresetType::METAL);
tdf.set_depth(20);
prs.save("metal-button.pptx", SaveFormat::PPTX);
return 0;
}
Kombinace účinků na stejný tvar
Stín a 3D formátování mohou soužit na jednom tvaru, což umožňuje vylepšené “kartové” návrhy:
#include <Aspose/Slides/Foss/auto_shape.h>
#include <Aspose/Slides/Foss/bevel_preset_type.h>
#include <Aspose/Slides/Foss/camera_preset_type.h>
#include <Aspose/Slides/Foss/drawing/color.h>
#include <Aspose/Slides/Foss/effect_format.h>
#include <Aspose/Slides/Foss/export/save_format.h>
#include <Aspose/Slides/Foss/fill_format.h>
#include <Aspose/Slides/Foss/fill_type.h>
#include <Aspose/Slides/Foss/material_preset_type.h>
#include <Aspose/Slides/Foss/presentation.h>
#include <Aspose/Slides/Foss/shape_collection.h>
#include <Aspose/Slides/Foss/shape_type.h>
#include <Aspose/Slides/Foss/slide.h>
#include <Aspose/Slides/Foss/slide_collection.h>
#include <Aspose/Slides/Foss/text_frame.h>
#include <Aspose/Slides/Foss/three_d_format.h>
using namespace Aspose::Slides::Foss;
using namespace Aspose::Slides::Foss::Drawing;
int main() {
Presentation prs;
auto& shape = prs.slides()[0].shapes().add_auto_shape(
ShapeType::ROUND_CORNER_RECTANGLE, 120, 120, 360, 150
);
shape.text_frame()->set_text("Premium Card");
// Fill
shape.fill_format().set_fill_type(FillType::SOLID);
shape.fill_format().solid_fill_color().set_color(Color::from_argb(255, 30, 80, 180));
// 3D bevel
auto& tdf = shape.three_d_format();
tdf.bevel_top().set_bevel_type(BevelPresetType::CIRCLE);
tdf.bevel_top().set_width(8);
tdf.camera().set_camera_type(CameraPresetType::PERSPECTIVE_ABOVE);
tdf.set_material(MaterialPresetType::PLASTIC);
// Drop shadow
auto& ef = shape.effect_format();
ef.enable_outer_shadow_effect();
auto* shadow = ef.outer_shadow_effect();
shadow->set_blur_radius(14);
shadow->set_direction(270);
shadow->set_distance(8);
shadow->shadow_color().set_color(Color::from_argb(70, 0, 0, 0));
prs.save("premium-card.pptx", SaveFormat::PPTX);
return 0;
}
Instalace
include(FetchContent)
FetchContent_Declare(
aspose_slides_foss
GIT_REPOSITORY https://github.com/aspose-slides-foss/Aspose.Slides-FOSS-for-Cpp.git
GIT_TAG main
)
FetchContent_MakeAvailable(aspose_slides_foss)
target_link_libraries(your_target PRIVATE aspose_slides_foss)
Žádná instalace Officeu, žádné licence klíče, žádné volání do sítě; veškerá zpracování se děje lokálně.