83 lines
1.5 KiB
Odin
83 lines
1.5 KiB
Odin
package main
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import "core:fmt"
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import "core:os"
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import "core:strings"
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import SDL "vendor:sdl2"
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WINDOW_TITLE :: "PPM Viewer"
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WINDOW_X := i32(400)
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WINDOW_Y := i32(400)
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WINDOW_WIDTH := i32(1024)
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WINDOW_HEIGHT := i32(920)
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WINDOW_FLAGS :: SDL.WindowFlags{.SHOWN, .RESIZABLE, .ALWAYS_ON_TOP}
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print_usage :: proc() {
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fmt.printfln("Usage:\n\t%s [ppm file]", os.args[0])
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os.exit(1)
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}
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//TODO: struct for ppm file
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main :: proc() {
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file := Ppm_file{}
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if len(os.args) > 3 || len(os.args) < 2 {
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print_usage()
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}
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filename := os.args[1]
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success := load_ppm(&file, filename)
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if !success {
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fmt.eprintfln("Could not load file %s", filename)
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os.exit(1)
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}
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ppm_parse(&file)
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fmt.println(file.magic_num)
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fmt.println(file.width)
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fmt.println(file.height)
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sdl_init_error := SDL.Init(SDL.INIT_VIDEO)
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assert(sdl_init_error == 0, SDL.GetErrorString())
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defer SDL.Quit()
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window := SDL.CreateWindow(
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WINDOW_TITLE,
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SDL.WINDOWPOS_CENTERED,
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SDL.WINDOWPOS_CENTERED,
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WINDOW_WIDTH,
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WINDOW_HEIGHT,
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WINDOW_FLAGS,
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)
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assert(window != nil, SDL.GetErrorString())
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defer SDL.DestroyWindow(window)
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surface := SDL.GetWindowSurface(window)
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colour_skyblue := SDL.MapRGB(surface.format, 42, 42, 42)
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SDL.FillRect(surface, nil, colour_skyblue)
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SDL.UpdateWindowSurface(window)
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//Loop!
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quit := false
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e: SDL.Event
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for (!quit) {
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for SDL.PollEvent(&e) {
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#partial switch (e.type) {
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case .QUIT:
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quit = true
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case .KEYDOWN:
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#partial switch (e.key.keysym.sym) {
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case .ESCAPE:
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quit = true
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}
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}
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}
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}
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}
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