mirror of
https://github.com/Fluffy-Bean/ColouringApp.git
synced 2025-01-14 17:35:12 +00:00
396 lines
14 KiB
Go
396 lines
14 KiB
Go
package main
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import (
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"fmt"
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"os"
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"strconv"
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"strings"
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gui "github.com/gen2brain/raylib-go/raygui"
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raylib "github.com/gen2brain/raylib-go/raylib"
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)
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const (
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applicationTitle = "Colouring App"
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applicationMinWindowWidth = int32(800)
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applicationMinWindowHeight = int32(600)
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defaultProjectName = "NewProject"
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defaultProjectWidth = 700
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defaultProjectHeight = 530
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)
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const (
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DirAssets = "./assets/"
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DirUserData = "./userData/"
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)
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const (
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StateNormal = iota
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StateDrawing
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StateFileMenu
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StateNewCanvas
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)
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var (
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applicationState = StateNormal
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applicationShouldQuit = false
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applicationShowDebugValues = false
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applicationWindowWidth = applicationMinWindowWidth
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applicationWindowHeight = applicationMinWindowHeight
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)
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var (
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newPenStroke = penTool{}
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newPenStrokeSafeZone = 1
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toolPanelWidth = float32(350)
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toolPanelOffset = applicationWindowWidth - int32(toolPanelWidth)
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toolPanelColourPicker = raylib.Orange
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toolPanelColourPickerHeight = float32(250)
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toolPanelBrushSize = float32(10)
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isEditingCanvasName = false
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)
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var (
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canvas *Canvas
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shouldCreateNewCanvas = true
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newCanvasName = defaultProjectName
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isEditingNewCanvasName = false
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newCanvasWidth = defaultProjectWidth
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isEditingNewCanvasWidth = false
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newCanvasHeight = defaultProjectHeight
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isEditingNewCanvasHeight = false
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newCanvasColor = raylib.White
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newCanvasImagePath = ""
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)
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func main() {
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raylib.SetConfigFlags(raylib.FlagWindowResizable | raylib.FlagWindowHighdpi | raylib.FlagMsaa4xHint)
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raylib.InitWindow(applicationWindowWidth, applicationWindowHeight, applicationTitle)
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raylib.SetWindowMinSize(int(applicationMinWindowWidth), int(applicationMinWindowHeight))
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raylib.SetTargetFPS(int32(raylib.GetMonitorRefreshRate(raylib.GetCurrentMonitor())))
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raylib.SetExitKey(0) // disable exit key
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if _, err := os.Stat(DirAssets); os.IsNotExist(err) {
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panic("Assets directory not found")
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}
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if _, err := os.Stat(DirUserData); os.IsNotExist(err) {
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if err := os.Mkdir(DirUserData, 0755); err != nil {
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panic("Could not create userData directory")
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}
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}
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var userDataProjects []string
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{
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f, err := os.Open(DirUserData)
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if err != nil {
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panic(err)
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}
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defer func() {
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err := f.Close()
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if err != nil {
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panic(err)
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}
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}()
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files, err := f.Readdir(-1)
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if err != nil {
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panic(err)
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}
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for _, file := range files {
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if file.Mode().IsRegular() {
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userDataProjects = append(userDataProjects, file.Name())
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}
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}
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}
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// LOOP
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for !applicationShouldQuit {
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applicationShouldQuit = raylib.WindowShouldClose()
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if raylib.IsWindowResized() {
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applicationWindowWidth = int32(raylib.GetScreenWidth())
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applicationWindowHeight = int32(raylib.GetScreenHeight())
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toolPanelOffset = applicationWindowWidth - int32(toolPanelWidth)
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}
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// CREATE CANVAS
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if shouldCreateNewCanvas {
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var canvasBackground raylib.Texture2D
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if newCanvasImagePath != "" {
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// For some reason Images are flipped horizontally and rotated 180 degrees, so we need to undo that...
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loadedImage := raylib.LoadImage(newCanvasImagePath)
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raylib.ImageFlipHorizontal(loadedImage)
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raylib.ImageRotate(loadedImage, 180)
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canvasBackground = raylib.LoadTextureFromImage(loadedImage)
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newCanvasWidth = int(loadedImage.Width)
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newCanvasHeight = int(loadedImage.Height)
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} else {
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canvasBackground = NewBackground(raylib.NewVector2(float32(newCanvasWidth), float32(newCanvasHeight)), newCanvasColor)
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}
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canvas = NewCanvas(newCanvasName, raylib.NewVector2(float32(newCanvasWidth), float32(newCanvasHeight)), raylib.NewVector2(15, 15), canvasBackground)
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shouldCreateNewCanvas = false
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newCanvasName = defaultProjectName
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newCanvasWidth = defaultProjectWidth
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newCanvasHeight = defaultProjectHeight
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newCanvasColor = raylib.White
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newCanvasImagePath = ""
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}
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// INPUT
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{
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if raylib.IsKeyPressed(raylib.KeyF7) {
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AddToast("This is a test toast")
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}
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if raylib.IsKeyPressed(raylib.KeyF8) {
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applicationShowDebugValues = !applicationShowDebugValues
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}
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if raylib.IsKeyPressed(raylib.KeyF12) {
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AddToast("Screenshot saved!")
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}
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if raylib.IsMouseButtonPressed(raylib.MouseLeftButton) && applicationState == StateNormal {
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if !raylib.CheckCollisionPointRec(raylib.GetMousePosition(), raylib.NewRectangle(float32(applicationWindowWidth-int32(toolPanelWidth)), 0, toolPanelWidth, float32(applicationWindowHeight))) &&
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raylib.CheckCollisionPointRec(raylib.GetMousePosition(), raylib.NewRectangle(10, 10, canvas.Size.X, canvas.Size.Y)) {
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applicationState = StateDrawing
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newPenStroke = penTool{
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Size: toolPanelBrushSize,
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Color: toolPanelColourPicker,
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}
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}
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}
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if raylib.IsMouseButtonDown(raylib.MouseLeftButton) && applicationState == StateDrawing {
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distanceToLastPoint := raylib.Vector2Distance(newPenStroke.Points[len(newPenStroke.Points)-1], raylib.GetMousePosition())
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if distanceToLastPoint > float32(newPenStrokeSafeZone) {
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newPenStroke.Points = append(newPenStroke.Points, raylib.GetMousePosition())
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} else if len(newPenStroke.Points) <= newPenStrokeSafeZone {
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newPenStroke.Points = append(newPenStroke.Points, raylib.GetMousePosition())
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}
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applicationState = StateDrawing
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}
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if raylib.IsMouseButtonReleased(raylib.MouseLeftButton) && newPenStroke.Points != nil {
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canvas.AddStroke(newPenStroke.Render())
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newPenStroke = penTool{}
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applicationState = StateNormal
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}
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if raylib.IsKeyDown(raylib.KeyLeftControl) && raylib.IsKeyDown(raylib.KeyLeftShift) && raylib.IsKeyPressed(raylib.KeyZ) {
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canvas.Redo()
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} else if raylib.IsKeyDown(raylib.KeyLeftControl) && raylib.IsKeyPressed(raylib.KeyZ) {
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canvas.Undo()
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} else if raylib.IsKeyDown(raylib.KeyLeftControl) && raylib.IsKeyPressed(raylib.KeyS) {
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canvas.Save()
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}
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}
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// UPDATE
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{
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UpdateToasts()
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canvas.Update()
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if applicationState != StateNormal {
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gui.Lock()
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} else {
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gui.Unlock()
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}
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}
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// DRAW
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raylib.BeginDrawing()
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{
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raylib.ClearBackground(raylib.White)
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gui.Grid(raylib.NewRectangle(0, 0, float32(applicationWindowWidth), float32(applicationWindowHeight)), "", 30, 1, &raylib.Vector2{})
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// Canvas stuff
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{
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raylib.DrawRectangle(int32(canvas.Offset.X)+10, int32(canvas.Offset.Y)+10, int32(canvas.Size.X), int32(canvas.Size.Y), raylib.Fade(raylib.Black, 0.3))
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canvas.Draw()
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raylib.BeginScissorMode(int32(canvas.Offset.X), int32(canvas.Offset.Y), int32(canvas.Size.X), int32(canvas.Size.Y))
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newPenStroke.Draw()
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raylib.EndScissorMode()
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raylib.DrawRectangleLines(int32(canvas.Offset.X), int32(canvas.Offset.Y), int32(canvas.Size.X), int32(canvas.Size.Y), raylib.DarkGray)
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}
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// UI stuff
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raylib.BeginScissorMode(toolPanelOffset, 0, int32(toolPanelWidth), applicationWindowHeight)
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{
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raylib.DrawRectangle(toolPanelOffset, 0, int32(toolPanelWidth), applicationWindowHeight, raylib.Fade(raylib.White, 0.9))
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if gui.Button(raylib.NewRectangle(float32(toolPanelOffset+10), 10, 25, 25), gui.IconText(gui.ICON_FOLDER_OPEN, "")) {
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applicationState = StateFileMenu
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}
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if gui.Button(raylib.NewRectangle(float32(toolPanelOffset+20+25), 10, 25, 25), gui.IconText(gui.ICON_FOLDER_SAVE, "")) {
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canvas.Save()
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}
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if gui.Button(raylib.NewRectangle(float32(applicationWindowWidth-70), 10, 25, 25), gui.IconText(gui.ICON_UNDO, "")) {
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canvas.Undo()
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}
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if gui.Button(raylib.NewRectangle(float32(applicationWindowWidth-35), 10, 25, 25), gui.IconText(gui.ICON_REDO, "")) {
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canvas.Redo()
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}
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toolPanelColourPicker = gui.ColorPicker(raylib.NewRectangle(float32(toolPanelOffset+10), 45, toolPanelWidth-45, toolPanelColourPickerHeight), "Color", toolPanelColourPicker)
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gui.Label(raylib.NewRectangle(float32(toolPanelOffset+10), 55+toolPanelColourPickerHeight, 60, 20), "Brush Size")
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toolPanelBrushSize = gui.Slider(raylib.NewRectangle(float32(toolPanelOffset+80), 55+toolPanelColourPickerHeight, toolPanelWidth-90, 20), "", "", toolPanelBrushSize, 1, 100)
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gui.Label(raylib.NewRectangle(float32(toolPanelOffset+10), 115+toolPanelColourPickerHeight, 60, 20), "File Name")
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if gui.TextBox(raylib.NewRectangle(float32(toolPanelOffset+80), 115+toolPanelColourPickerHeight, toolPanelWidth-90, 20), &canvas.Name, 40, isEditingCanvasName) {
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isEditingCanvasName = !isEditingCanvasName
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}
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raylib.DrawRectangleLines(toolPanelOffset, 0, int32(toolPanelWidth), applicationWindowHeight, raylib.Gray)
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}
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raylib.EndScissorMode()
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// Info
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if applicationShowDebugValues {
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var text string
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text = fmt.Sprintf("Strokes: %d | Points: %d", len(canvas.Strokes), len(newPenStroke.Points))
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gui.StatusBar(raylib.NewRectangle(0, float32(applicationWindowHeight-20), 150, 20), text)
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text = fmt.Sprintf("Canvas Size: %dx%d", int32(canvas.Size.X), int32(canvas.Size.Y))
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gui.StatusBar(raylib.NewRectangle(150, float32(applicationWindowHeight-20), 150, 20), text)
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text = fmt.Sprintf("FPS: %d | DT: %f", raylib.GetFPS(), raylib.GetFrameTime())
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gui.StatusBar(raylib.NewRectangle(300, float32(applicationWindowHeight-20), 170, 20), text)
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}
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// Cursor
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raylib.DrawCircleLines(int32(raylib.GetMousePosition().X), int32(raylib.GetMousePosition().Y), toolPanelBrushSize/2, raylib.Black)
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switch applicationState {
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case StateFileMenu:
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windowPos := raylib.NewRectangle(float32((applicationWindowWidth/2)-200), float32((applicationWindowHeight/2)-200), 400, 400)
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raylib.DrawRectangle(0, 0, applicationWindowWidth, applicationWindowHeight, raylib.Fade(raylib.Black, 0.5))
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gui.Unlock()
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if gui.WindowBox(windowPos, "Open or New File") {
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applicationState = StateNormal
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}
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// Magic numbers
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raylib.BeginScissorMode(int32(windowPos.X)+1, int32(windowPos.Y)+24, int32(windowPos.Width)-2, int32(windowPos.Height)-25)
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gui.GroupBox(raylib.NewRectangle(windowPos.X+11, windowPos.Y+34, windowPos.Width-22, 200), "Create New")
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{
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var err error
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gui.Label(raylib.NewRectangle(windowPos.X+21, windowPos.Y+44, 100, 20), "File Name")
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if gui.TextBox(raylib.NewRectangle(windowPos.X+131, windowPos.Y+44, windowPos.Width-152, 20), &newCanvasName, 40, isEditingNewCanvasName) {
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isEditingNewCanvasName = !isEditingNewCanvasName
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}
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gui.Label(raylib.NewRectangle(windowPos.X+21, windowPos.Y+74, 100, 20), "Canvas Width")
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lastWidth := newCanvasWidth
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width := fmt.Sprintf("%d", newCanvasWidth)
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if gui.TextBox(raylib.NewRectangle(windowPos.X+131, windowPos.Y+74, windowPos.Width-152, 20), &width, 6, isEditingNewCanvasWidth) {
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isEditingNewCanvasWidth = !isEditingNewCanvasWidth
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}
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if newCanvasWidth, err = strconv.Atoi(width); err != nil {
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newCanvasWidth = lastWidth
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}
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gui.Label(raylib.NewRectangle(windowPos.X+21, windowPos.Y+104, 100, 20), "Canvas Height")
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lastHeight := newCanvasHeight
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height := fmt.Sprintf("%d", newCanvasHeight)
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if gui.TextBox(raylib.NewRectangle(windowPos.X+131, windowPos.Y+104, windowPos.Width-152, 20), &height, 6, isEditingNewCanvasHeight) {
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isEditingNewCanvasHeight = !isEditingNewCanvasHeight
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}
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if newCanvasHeight, err = strconv.Atoi(height); err != nil {
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newCanvasHeight = lastHeight
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}
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colors := []raylib.Color{raylib.Red, raylib.Orange, raylib.Yellow, raylib.Green, raylib.Blue, raylib.Purple, raylib.Pink, raylib.Brown, raylib.Black, raylib.White}
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for i := 0; i < len(colors); i++ {
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posX := windowPos.X + 21 + ((float32(i) * 26) + float32(i)*11)
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posY := windowPos.Y + 149
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if gui.Button(raylib.NewRectangle(posX, posY, 26, 26), "") {
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newCanvasColor = colors[i]
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}
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if newCanvasColor == colors[i] {
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raylib.DrawRectangle(int32(posX)-4, int32(posY)-4, 26+8, 26+8, raylib.Fade(raylib.Black, 0.2))
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raylib.DrawRectangle(int32(posX), int32(posY), 26, 26, colors[i])
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} else {
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raylib.DrawRectangle(int32(posX), int32(posY), 26, 26, colors[i])
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raylib.DrawRectangleLines(int32(posX), int32(posY), 26, 26, raylib.Black)
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}
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}
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if gui.Button(raylib.NewRectangle(windowPos.X+windowPos.Width-140, windowPos.Y+204, 120, 20), "Create") {
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applicationState = StateNewCanvas
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}
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}
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gui.GroupBox(raylib.NewRectangle(windowPos.X+11, windowPos.Y+244, windowPos.Width-22, float32(len(userDataProjects)*20)+10), "Open Existing")
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{
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if gui.Button(raylib.NewRectangle(windowPos.X+21, windowPos.Y+254, windowPos.Width-42, 20), "Maned Wolf") {
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newCanvasImagePath = DirAssets + "manedWolf.jpg"
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newCanvasName = "ManedWolf"
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applicationState = StateNewCanvas
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}
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for i := 0; i < len(userDataProjects); i++ {
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if gui.Button(raylib.NewRectangle(windowPos.X+21, windowPos.Y+274+float32(i*20), windowPos.Width-42, 20), userDataProjects[i]) {
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newCanvasImagePath = DirUserData + userDataProjects[i]
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splitName := strings.Split(userDataProjects[i], ".")
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newCanvasName = splitName[:len(splitName)-1][0]
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applicationState = StateNewCanvas
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}
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}
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}
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raylib.EndScissorMode()
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case StateNewCanvas:
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windowPos := raylib.NewRectangle(float32((applicationWindowWidth/2)-200), float32((applicationWindowHeight/2)-75), 400, 150)
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raylib.DrawRectangle(0, 0, applicationWindowWidth, applicationWindowHeight, raylib.Fade(raylib.Black, 0.5))
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gui.Unlock()
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choice := gui.MessageBox(windowPos, "New Canvas", "Are you sure you want to create a new canvas?", "No;Yes")
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if choice == 0 || choice == 1 {
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applicationState = StateNormal
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shouldCreateNewCanvas = false
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} else if choice == 2 {
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applicationState = StateNormal
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shouldCreateNewCanvas = true
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AddToast("Created New Canvas: " + canvas.Name)
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}
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default:
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}
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DrawToasts()
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}
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raylib.EndDrawing()
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}
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// GOODBYE
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raylib.CloseWindow()
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}
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