odin-blend2d

commit 1b6179d43face34f0e34aafb7316e9d2edd4f111
parent 00c3d948d49b6b6fd8ed66cd9e0b1db471ea19b0
Author: Jack Mordaunt <jackmordaunt.dev@gmail.com>
Date:   Sat, 25 Oct 2025 23:20:02 -0300

example: add samples ported from Blend2D

Diffstat:
A
example/sample_1.odin
 | 
36
++++++++++++++++++++++++++++++++++++
A
example/sample_2.odin
 | 
47
+++++++++++++++++++++++++++++++++++++++++++++++
A
example/sample_3.odin
 | 
46
++++++++++++++++++++++++++++++++++++++++++++++

3 files changed, 129 insertions(+), 0 deletions(-)
diff --git a/example/sample_1.odin b/example/sample_1.odin
@@ -0,0 +1,36 @@
+package main
+
+import blend2d "../binding"
+
+main :: proc() {
+	img: blend2d.ImageCore
+
+	blend2d.image_init(&img)
+	blend2d.image_create(&img, 480, 480, .PRGB32)
+
+	ctx: blend2d.ContextCore
+	ctx_cfg: blend2d.ContextCreateInfo
+
+	blend2d.context_init(&ctx)
+	blend2d.context_begin(&ctx, &img, &ctx_cfg)
+	blend2d.context_clear_all(&ctx)
+
+	path: blend2d.PathCore
+	blend2d.path_init(&path)
+	blend2d.path_move_to(&path, 26, 31)
+	blend2d.path_cubic_to(&path, 642, 132, 587, -136, 25, 464)
+	blend2d.path_cubic_to(&path, 882, 404, 144, 267, 27, 31)
+
+	origin: blend2d.Point
+
+	blend2d.context_fill_path_d_rgba32(&ctx, &origin, &path, 0xFFFFFFFF)
+	blend2d.context_end(&ctx)
+
+	codec: blend2d.ImageCodecCore
+	codecs: blend2d.ArrayCore
+
+	blend2d.image_codec_array_init_built_in_codecs(&codecs)
+	blend2d.image_codec_init_by_name(&codec, "PNG", len("PNG"), nil)
+	blend2d.image_write_to_file(&img, "sample_1.png", &codec)
+}
+
diff --git a/example/sample_2.odin b/example/sample_2.odin
@@ -0,0 +1,47 @@
+package main
+
+import blend2d "../binding"
+
+main :: proc() {
+	img: blend2d.ImageCore
+
+	blend2d.image_init(&img)
+	blend2d.image_create(&img, 480, 480, .PRGB32)
+
+	ctx: blend2d.ContextCore
+	ctx_cfg: blend2d.ContextCreateInfo
+
+	blend2d.context_init(&ctx)
+	blend2d.context_begin(&ctx, &img, &ctx_cfg)
+	blend2d.context_clear_all(&ctx)
+
+	grad: blend2d.GradientCore
+	grad_values := [4]f64{0, 0, 0, 480}
+
+	blend2d.gradient_init(&grad)
+	blend2d.gradient_set_values(&grad, 0, &grad_values[0], 4)
+	blend2d.gradient_add_stop_rgba32(&grad, 0.0, 0xFFFFFFFF)
+	blend2d.gradient_add_stop_rgba32(&grad, 0.5, 0xFF5FAFDF)
+	blend2d.gradient_add_stop_rgba32(&grad, 1.0, 0xFF2F5FDF)
+
+	blend2d.context_set_fill_style(&ctx, cast(^blend2d.Unknown)(&grad))
+
+	rect := blend2d.RoundRect {
+		x  = 40,
+		y  = 40,
+		w  = 400,
+		h  = 400,
+		rx = 45.5,
+		ry = 45.5,
+	}
+
+	blend2d.context_fill_geometry(&ctx, .ROUND_RECT, &rect)
+
+	codec: blend2d.ImageCodecCore
+	codecs: blend2d.ArrayCore
+
+	blend2d.image_codec_array_init_built_in_codecs(&codecs)
+	blend2d.image_codec_init_by_name(&codec, "PNG", len("PNG"), nil)
+	blend2d.image_write_to_file(&img, "sample_2.png", &codec)
+}
+
diff --git a/example/sample_3.odin b/example/sample_3.odin
@@ -0,0 +1,46 @@
+
+package main
+
+import blend2d "../binding"
+
+main :: proc() {
+
+	img: blend2d.ImageCore
+
+	blend2d.image_init(&img)
+	blend2d.image_create(&img, 480, 480, .PRGB32)
+
+	ctx: blend2d.ContextCore
+	ctx_cfg: blend2d.ContextCreateInfo
+
+	blend2d.context_init(&ctx)
+	blend2d.context_begin(&ctx, &img, &ctx_cfg)
+	blend2d.context_clear_all(&ctx)
+
+	texture: blend2d.ImageCore
+	blend2d.image_init(&texture)
+	blend2d.image_read_from_file(&texture, "blend2d/testing/resources/Leaves.jpeg", nil)
+
+	pattern: blend2d.PatternCore
+	blend2d.pattern_init(&pattern)
+	blend2d.pattern_set_image(&pattern, &texture, nil)
+
+	rect := blend2d.RoundRect {
+		x  = 40,
+		y  = 40,
+		w  = 400,
+		h  = 400,
+		rx = 45.5,
+		ry = 45.5,
+	}
+
+	blend2d.context_fill_geometry_ext(&ctx, .ROUND_RECT, &rect, cast(^blend2d.Unknown)(&pattern))
+	blend2d.context_end(&ctx)
+
+	codec: blend2d.ImageCodecCore
+	codecs: blend2d.ArrayCore
+	blend2d.image_codec_array_init_built_in_codecs(&codecs)
+	blend2d.image_codec_init_by_name(&codec, "PNG", len("PNG"), nil)
+	blend2d.image_write_to_file(&img, "sample_3.png", &codec)
+}
+