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//! Gradient fills: multi-stop linear, radial, and gradient text boxes.
use deckmint::layout::{GridLayoutBuilder, GridTrack};
use deckmint::objects::shape::ShapeOptionsBuilder;
use deckmint::objects::text::TextOptionsBuilder;
use deckmint::{AlignH, AlignV, GradientFill, GradientStop, Presentation, ShapeType};
fn main() {
let mut pres = Presentation::new();
// ══════════════════════════════════════════════════════════
// Slide 1: Multi-stop linear gradients at various angles
// ══════════════════════════════════════════════════════════
{
let slide = pres.add_slide();
slide.set_background_color("#F5F5F5");
slide.add_text(
"Multi-Stop Linear Gradients",
TextOptionsBuilder::new()
.bounds(0.5, 0.2, 9.0, 0.6)
.font_size(24.0)
.bold()
.color("#333333")
.build(),
);
let grid = GridLayoutBuilder::new()
.cols(vec![GridTrack::Fr(1.0); 3])
.rows(vec![GridTrack::Fr(1.0); 2])
.gap(0.2)
.origin(0.5, 1.0)
.container(9.0, 4.3)
.build();
// Gradient definitions: (label, angle, stops)
let gradients: [(&str, f64, Vec<GradientStop>); 6] = [
(
"Sunset (0\u{00b0})",
0.0,
vec![
GradientStop::new("#FF512F", 0.0),
GradientStop::new("#F09819", 50.0),
GradientStop::new("#DD2476", 100.0),
],
),
(
"Ocean (90\u{00b0})",
90.0,
vec![
GradientStop::new("#2193B0", 0.0),
GradientStop::new("#6DD5ED", 50.0),
GradientStop::new("#FFFFFF", 100.0),
],
),
(
"Forest (45\u{00b0})",
45.0,
vec![
GradientStop::new("#134E5E", 0.0),
GradientStop::new("#71B280", 50.0),
GradientStop::new("#C6FFDD", 100.0),
],
),
(
"Neon (135\u{00b0})",
135.0,
vec![
GradientStop::new("#A855F7", 0.0),
GradientStop::new("#EC4899", 40.0),
GradientStop::new("#F97316", 70.0),
GradientStop::new("#FACC15", 100.0),
],
),
(
"Arctic (180\u{00b0})",
180.0,
vec![
GradientStop::new("#E0EAFC", 0.0),
GradientStop::new("#CFDEF3", 50.0),
GradientStop::new("#4A90D9", 100.0),
],
),
(
"Fire (270\u{00b0})",
270.0,
vec![
GradientStop::new("#F83600", 0.0),
GradientStop::new("#F9D423", 50.0),
GradientStop::new("#FE8C00", 100.0),
],
),
];
for (i, (label, angle, stops)) in gradients.iter().enumerate() {
let col = i % 3;
let row = i / 3;
let cell = grid.cell(col, row);
slide.add_shape(
ShapeType::RoundRect,
ShapeOptionsBuilder::new()
.rect(cell.inset(0.05))
.gradient_fill(GradientFill::linear(*angle, stops.clone()))
.rect_radius(0.12)
.build(),
);
slide.add_text(
*label,
TextOptionsBuilder::new()
.rect(cell)
.font_size(14.0)
.bold()
.color("#FFFFFF")
.align(AlignH::Center)
.valign(AlignV::Bottom)
.build(),
);
}
}
// ══════════════════════════════════════════════════════════
// Slide 2: Radial gradients
// ══════════════════════════════════════════════════════════
{
let slide = pres.add_slide();
slide.set_background_color("#1A1A2E");
slide.add_text(
"Radial Gradients",
TextOptionsBuilder::new()
.bounds(0.5, 0.2, 9.0, 0.6)
.font_size(24.0)
.bold()
.color("#FFFFFF")
.build(),
);
let grid = GridLayoutBuilder::new()
.cols(vec![GridTrack::Fr(1.0); 3])
.rows(vec![GridTrack::Fr(1.0); 2])
.gap(0.2)
.origin(0.5, 1.0)
.container(9.0, 4.3)
.build();
// Radial gradient definitions
let radials: [(&str, Vec<GradientStop>); 6] = [
(
"Hot Core",
vec![
GradientStop::new("#FFFFFF", 0.0),
GradientStop::new("#FFC107", 40.0),
GradientStop::new("#FF5722", 100.0),
],
),
(
"Cool Orb",
vec![
GradientStop::new("#E0F7FA", 0.0),
GradientStop::new("#4DD0E1", 50.0),
GradientStop::new("#006064", 100.0),
],
),
(
"Purple Glow",
vec![
GradientStop::new("#E1BEE7", 0.0),
GradientStop::new("#9C27B0", 60.0),
GradientStop::new("#4A148C", 100.0),
],
),
(
"Simple: Red-Blue",
vec![
GradientStop::new("#FF0000", 0.0),
GradientStop::new("#0000FF", 100.0),
],
),
(
"Emerald Sphere",
vec![
GradientStop::new("#A5D6A7", 0.0),
GradientStop::new("#388E3C", 50.0),
GradientStop::new("#1B5E20", 100.0),
],
),
(
"Gold Disc",
vec![
GradientStop::new("#FFF9C4", 0.0),
GradientStop::new("#FFD54F", 40.0),
GradientStop::new("#F57F17", 100.0),
],
),
];
for (i, (label, stops)) in radials.iter().enumerate() {
let col = i % 3;
let row = i / 3;
let cell = grid.cell(col, row);
slide.add_shape(
ShapeType::Ellipse,
ShapeOptionsBuilder::new()
.rect(cell.inset(0.1))
.gradient_fill(GradientFill::radial(stops.clone()))
.build(),
);
slide.add_text(
*label,
TextOptionsBuilder::new()
.rect(cell)
.font_size(12.0)
.bold()
.color("#FFFFFF")
.align(AlignH::Center)
.valign(AlignV::Bottom)
.build(),
);
}
}
// ══════════════════════════════════════════════════════════
// Slide 3: Gradient text boxes with convenience constructors
// ══════════════════════════════════════════════════════════
{
let slide = pres.add_slide();
slide.set_background_color("#0D1117");
slide.add_text(
"Gradient Text Boxes",
TextOptionsBuilder::new()
.bounds(0.5, 0.2, 9.0, 0.6)
.font_size(24.0)
.bold()
.color("#FFFFFF")
.build(),
);
// Row 1: two_color convenience
slide.add_shape(
ShapeType::RoundRect,
ShapeOptionsBuilder::new()
.bounds(0.5, 1.1, 4.2, 1.6)
.gradient_fill(GradientFill::two_color(0.0, "#667EEA", "#764BA2"))
.rect_radius(0.1)
.build(),
);
slide.add_text(
"two_color(0, blue, purple)\nSimple left-to-right",
TextOptionsBuilder::new()
.bounds(0.5, 1.1, 4.2, 1.6)
.font_size(14.0)
.color("#FFFFFF")
.align(AlignH::Center)
.valign(AlignV::Middle)
.build(),
);
slide.add_shape(
ShapeType::RoundRect,
ShapeOptionsBuilder::new()
.bounds(5.3, 1.1, 4.2, 1.6)
.gradient_fill(GradientFill::two_color(90.0, "#11998E", "#38EF7D"))
.rect_radius(0.1)
.build(),
);
slide.add_text(
"two_color(90, teal, green)\nTop-to-bottom",
TextOptionsBuilder::new()
.bounds(5.3, 1.1, 4.2, 1.6)
.font_size(14.0)
.color("#FFFFFF")
.align(AlignH::Center)
.valign(AlignV::Middle)
.build(),
);
// Row 2: radial_two_color convenience
slide.add_shape(
ShapeType::RoundRect,
ShapeOptionsBuilder::new()
.bounds(0.5, 3.0, 4.2, 1.6)
.gradient_fill(GradientFill::radial_two_color("#FFFFFF", "#E74C3C"))
.rect_radius(0.1)
.build(),
);
slide.add_text(
"radial_two_color\nwhite center, red edge",
TextOptionsBuilder::new()
.bounds(0.5, 3.0, 4.2, 1.6)
.font_size(14.0)
.color("#333333")
.align(AlignH::Center)
.valign(AlignV::Middle)
.build(),
);
// Multi-stop with transparency
slide.add_shape(
ShapeType::RoundRect,
ShapeOptionsBuilder::new()
.bounds(5.3, 3.0, 4.2, 1.6)
.gradient_fill(GradientFill::linear(
45.0,
vec![
GradientStop::new("#FF0080", 0.0),
GradientStop::new("#7928CA", 50.0).with_transparency(30.0),
GradientStop::new("#FF0080", 100.0),
],
))
.rect_radius(0.1)
.build(),
);
slide.add_text(
"Multi-stop + transparency\nat 50% midpoint",
TextOptionsBuilder::new()
.bounds(5.3, 3.0, 4.2, 1.6)
.font_size(14.0)
.color("#FFFFFF")
.align(AlignH::Center)
.valign(AlignV::Middle)
.build(),
);
}
pres.write_to_file("17_gradients.pptx").unwrap();
println!("Wrote 17_gradients.pptx");
}