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gg: add an optional size: parameter to the .draw_pixels and .draw_pixel methods (defaults to 1.0)

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Delyan Angelov 2024-07-31 21:54:42 +03:00
parent 340535fe06
commit d43f0e457c
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GPG Key ID: 66886C0F12D595ED
1 changed files with 13 additions and 8 deletions
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21
vlib/gg/draw.c.v
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@ -6,19 +6,24 @@ import gx
import math import math
import sokol.sgl import sokol.sgl
@[params]
pub struct DrawPixelConfig {
pub mut:
size f32 = 1.0
}
// draw_pixel draws one pixel on the screen. // draw_pixel draws one pixel on the screen.
// //
// NOTE calling this function frequently is very *inefficient*, // NOTE calling this function frequently is very *inefficient*,
// for drawing shapes it's recommended to draw whole primitives with // for drawing shapes it's recommended to draw whole primitives with
// functions like `draw_rect_empty` or `draw_triangle_empty` etc. // functions like `draw_rect_empty` or `draw_triangle_empty` etc.
@[inline] pub fn (ctx &Context) draw_pixel(x f32, y f32, c gx.Color, params DrawPixelConfig) {
pub fn (ctx &Context) draw_pixel(x f32, y f32, c gx.Color) {
if c.a != 255 { if c.a != 255 {
sgl.load_pipeline(ctx.pipeline.alpha) sgl.load_pipeline(ctx.pipeline.alpha)
} }
sgl.c4b(c.r, c.g, c.b, c.a)
sgl.begin_points() sgl.begin_points()
sgl.c4b(c.r, c.g, c.b, c.a)
sgl.point_size(params.size)
sgl.v2f(x * ctx.scale, y * ctx.scale) sgl.v2f(x * ctx.scale, y * ctx.scale)
sgl.end() sgl.end()
} }
@ -28,8 +33,8 @@ pub fn (ctx &Context) draw_pixel(x f32, y f32, c gx.Color) {
// NOTE calling this function frequently is very *inefficient*, // NOTE calling this function frequently is very *inefficient*,
// for drawing shapes it's recommended to draw whole primitives with // for drawing shapes it's recommended to draw whole primitives with
// functions like `draw_rect_empty` or `draw_triangle_empty` etc. // functions like `draw_rect_empty` or `draw_triangle_empty` etc.
@[direct_array_access; inline] @[direct_array_access]
pub fn (ctx &Context) draw_pixels(points []f32, c gx.Color) { pub fn (ctx &Context) draw_pixels(points []f32, c gx.Color, params DrawPixelConfig) {
if points.len % 2 != 0 { if points.len % 2 != 0 {
return return
} }
@ -38,9 +43,9 @@ pub fn (ctx &Context) draw_pixels(points []f32, c gx.Color) {
if c.a != 255 { if c.a != 255 {
sgl.load_pipeline(ctx.pipeline.alpha) sgl.load_pipeline(ctx.pipeline.alpha)
} }
sgl.c4b(c.r, c.g, c.b, c.a)
sgl.begin_points() sgl.begin_points()
sgl.c4b(c.r, c.g, c.b, c.a)
sgl.point_size(params.size)
for i in 0 .. len { for i in 0 .. len {
x, y := points[i * 2], points[i * 2 + 1] x, y := points[i * 2], points[i * 2 + 1]
sgl.v2f(x * ctx.scale, y * ctx.scale) sgl.v2f(x * ctx.scale, y * ctx.scale)