84 lines
1.7 KiB
Odin
84 lines
1.7 KiB
Odin
package main
|
|
|
|
import "core:fmt"
|
|
import "core:os"
|
|
import SDL "vendor:sdl2"
|
|
|
|
WINDOW_TITLE :: "PPM Viewer"
|
|
WINDOW_X := i32(400)
|
|
WINDOW_Y := i32(400)
|
|
WINDOW_WIDTH_MIN := i32(920)
|
|
WINDOW_HEIGHT_MIN := i32(920)
|
|
WINDOW_FLAGS :: SDL.WindowFlags{.SHOWN, .RESIZABLE, .ALWAYS_ON_TOP}
|
|
|
|
print_usage :: proc() {
|
|
fmt.printfln("Usage:\n\t%s [ppm file]", os.args[0])
|
|
os.exit(1)
|
|
}
|
|
|
|
|
|
main :: proc() {
|
|
file := Ppm_file{}
|
|
|
|
if len(os.args) > 3 || len(os.args) < 2 {
|
|
print_usage()
|
|
}
|
|
filename := os.args[1]
|
|
success := load_ppm(&file, filename)
|
|
|
|
if !success {
|
|
fmt.eprintfln("Could not load file %s", filename)
|
|
os.exit(1)
|
|
}
|
|
ppm_parse(&file)
|
|
|
|
window_width: i32 = 0; if i32(file.width) < WINDOW_WIDTH_MIN {window_width = WINDOW_WIDTH_MIN}
|
|
window_height: i32 = 0; if i32(file.height) < WINDOW_WIDTH_MIN {window_height = WINDOW_HEIGHT_MIN}
|
|
|
|
fmt.println(file.magic_num)
|
|
fmt.printfln("width: %d", file.width)
|
|
fmt.printfln("height: %d", file.height)
|
|
fmt.printfln("max_col_val: %d", file.max_col_val)
|
|
|
|
sdl_init_error := SDL.Init(SDL.INIT_VIDEO)
|
|
assert(sdl_init_error == 0, SDL.GetErrorString())
|
|
defer SDL.Quit()
|
|
|
|
|
|
window := SDL.CreateWindow(
|
|
WINDOW_TITLE,
|
|
SDL.WINDOWPOS_CENTERED,
|
|
SDL.WINDOWPOS_CENTERED,
|
|
window_width,
|
|
window_height,
|
|
WINDOW_FLAGS,
|
|
)
|
|
|
|
assert(window != nil, SDL.GetErrorString())
|
|
defer SDL.DestroyWindow(window)
|
|
|
|
surface := SDL.GetWindowSurface(window)
|
|
|
|
colour_skyblue := SDL.MapRGB(surface.format, 42, 42, 42)
|
|
SDL.FillRect(surface, nil, colour_skyblue)
|
|
|
|
SDL.UpdateWindowSurface(window)
|
|
|
|
//Loop!
|
|
quit := false
|
|
e: SDL.Event
|
|
for (!quit) {
|
|
for SDL.PollEvent(&e) {
|
|
#partial switch (e.type) {
|
|
case .QUIT:
|
|
quit = true
|
|
case .KEYDOWN:
|
|
#partial switch (e.key.keysym.sym) {
|
|
case .ESCAPE:
|
|
quit = true
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|