This commit is contained in:
Crispy 2024-10-25 17:34:29 +02:00
parent e0dc2bd1ac
commit 3042fcb8cd

View file

@ -1,23 +1,21 @@
package showimage
import "core:os"
import s "core:strings"
import "core:strings"
import rl "vendor:raylib"
path: string
tex: ^rl.Texture
zoom: f32 = 1
offset: [2]f32
main :: proc() {
config: rl.ConfigFlags = { .WINDOW_RESIZABLE }
rl.InitWindow(800, 600, "showimage")
rl.SetWindowState(config)
rl.SetWindowState({ .WINDOW_RESIZABLE })
rl.SetTargetFPS(60)
if len(os.args) > 1 {
path = os.args[1]
t := rl.LoadTexture(s.clone_to_cstring(path))
tex = &t
path := strings.clone_to_cstring(os.args[1])
tex = new_clone(rl.LoadTexture(path))
reset_zoom()
}
@ -45,20 +43,17 @@ main :: proc() {
rl.CloseWindow()
}
zoom_to_power :: proc(size: i32, max: i32) -> i32 {
fit: i32 = 1
for fit * size < max {
fit *= 2
}
return fit / 2
}
reset_zoom :: proc() {
screen_width := rl.GetRenderWidth()
fit_x: i32 = 1
for fit_x * tex.width < screen_width {
fit_x *= 2
}
fit_x /= 2
screen_height := rl.GetRenderHeight()
fit_y: i32 = 1
for fit_y * tex.height < screen_height {
fit_y *= 2
}
fit_y /= 2
zoom = f32(min(fit_x, fit_y))
}
zoom = f32(min(
zoom_to_power(tex.width, rl.GetRenderWidth()),
zoom_to_power(tex.height, rl.GetRenderHeight()),
))
}