mirror of
https://github.com/Fluffy-Bean/ColouringApp.git
synced 2025-05-14 07:32:16 +00:00
285 lines
9.1 KiB
Go
285 lines
9.1 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
gui "github.com/gen2brain/raylib-go/raygui"
|
|
raylib "github.com/gen2brain/raylib-go/raylib"
|
|
"os"
|
|
)
|
|
|
|
func main() {
|
|
raylib.SetConfigFlags(raylib.FlagWindowResizable)
|
|
raylib.SetTraceLogLevel(raylib.LogTrace)
|
|
raylib.SetConfigFlags(raylib.FlagMsaa4xHint)
|
|
|
|
raylib.InitWindow(WindowWidth, WindowHeight, WindowTitle)
|
|
raylib.InitAudioDevice()
|
|
|
|
raylib.SetTargetFPS(WindowFPS)
|
|
//raylib.SetExitKey(0) // disable exit key
|
|
|
|
var (
|
|
camera = raylib.NewCamera2D(raylib.NewVector2(0, 0), raylib.NewVector2(0, 0), 0, 1)
|
|
//cameraMoveOffset = raylib.NewVector2(10, 10)
|
|
|
|
canvasSize = raylib.NewVector2(500, 430)
|
|
canvasScale = float32(1)
|
|
canvas = raylib.LoadRenderTexture(int32(canvasSize.X), int32(canvasSize.Y))
|
|
canvasRefresh = true
|
|
|
|
sidePanelWidth = float32(350)
|
|
sidePanelRelativeX = WindowWidth - int32(sidePanelWidth)
|
|
|
|
drawing = false
|
|
//drawingMode = ModeDrawing
|
|
|
|
currentStroke = penTool{}
|
|
strokes = []penTool{currentStroke}
|
|
undoneStrokes = []penTool{}
|
|
|
|
colourPickerVal = raylib.Orange
|
|
colourPickerHeight = float32(200)
|
|
|
|
brushSize = float32(10)
|
|
brushOpacity = float32(1)
|
|
|
|
fileName = "NewProject"
|
|
fileNameEditing = false
|
|
|
|
menu = StateNone
|
|
)
|
|
|
|
// check if userData exists
|
|
if _, err := os.Stat(DirUserData); os.IsNotExist(err) {
|
|
err := os.Mkdir(DirUserData, 0755)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
WindowWidth = int32(raylib.GetScreenWidth())
|
|
WindowHeight = int32(raylib.GetScreenHeight())
|
|
|
|
refreshCanvas := func() {
|
|
raylib.BeginTextureMode(canvas)
|
|
raylib.ClearBackground(raylib.White)
|
|
|
|
for i := 1; i < len(strokes); i++ {
|
|
strokes[i].Draw(raylib.NewVector2(-10, -10))
|
|
}
|
|
|
|
raylib.EndTextureMode()
|
|
}
|
|
|
|
redoStroke := func() {
|
|
if len(undoneStrokes) > 0 {
|
|
strokes = append(strokes, undoneStrokes[len(undoneStrokes)-1])
|
|
undoneStrokes = undoneStrokes[:len(undoneStrokes)-1]
|
|
|
|
AddToast("Redo")
|
|
canvasRefresh = true
|
|
}
|
|
}
|
|
undoStroke := func() {
|
|
// 1 because I dont know why
|
|
if len(strokes) > 1 {
|
|
undoneStrokes = append(undoneStrokes, strokes[len(strokes)-1])
|
|
strokes = strokes[:len(strokes)-1]
|
|
|
|
canvasRefresh = true
|
|
AddToast("Undo")
|
|
}
|
|
}
|
|
|
|
saveImage := func() {
|
|
if fileName == "" {
|
|
AddToast("Please enter a file name")
|
|
} else {
|
|
image := raylib.LoadImageFromTexture(canvas.Texture)
|
|
|
|
raylib.ImageRotate(image, 180)
|
|
raylib.ImageFlipHorizontal(image)
|
|
|
|
raylib.ExportImage(*image, DirUserData+fileName+".png")
|
|
|
|
AddToast("Drawing saved at " + DirUserData + fileName + ".png")
|
|
}
|
|
}
|
|
|
|
for !ShouldQuit {
|
|
// LOOP
|
|
ShouldQuit = raylib.WindowShouldClose()
|
|
|
|
if raylib.IsWindowResized() {
|
|
WindowWidth = int32(raylib.GetScreenWidth())
|
|
WindowHeight = int32(raylib.GetScreenHeight())
|
|
|
|
sidePanelRelativeX = WindowWidth - int32(sidePanelWidth)
|
|
}
|
|
|
|
// INPUT
|
|
{
|
|
if raylib.GetMouseWheelMove() != 0 && !drawing {
|
|
canvasScale += float32(raylib.GetMouseWheelMove()) * 0.05
|
|
}
|
|
//if raylib.IsMouseButtonPressed(raylib.MouseMiddleButton) {
|
|
// cameraMoveOffset = raylib.Vector2Subtract(camera.Target, raylib.GetMousePosition())
|
|
//}
|
|
//if raylib.IsMouseButtonDown(raylib.MouseMiddleButton) {
|
|
// camera.Target = raylib.Vector2Subtract(raylib.GetMousePosition(), raylib.Vector2Scale(cameraMoveOffset, -1))
|
|
//}
|
|
|
|
if raylib.IsKeyPressed(raylib.KeyF8) {
|
|
AddToast("This is a toast message!")
|
|
}
|
|
|
|
if raylib.IsMouseButtonPressed(raylib.MouseLeftButton) {
|
|
if raylib.CheckCollisionPointRec(raylib.GetMousePosition(), raylib.NewRectangle(float32(WindowWidth-int32(sidePanelWidth)), 0, sidePanelWidth, float32(WindowHeight))) {
|
|
drawing = false
|
|
} else if raylib.CheckCollisionPointRec(raylib.GetMousePosition(), raylib.NewRectangle(10, 10, canvasSize.X, canvasSize.Y)) {
|
|
drawing = true
|
|
currentStroke = penTool{
|
|
Color: colourPickerVal,
|
|
Size: brushSize,
|
|
Opacity: 1,
|
|
}
|
|
}
|
|
}
|
|
if raylib.IsMouseButtonDown(raylib.MouseLeftButton) && drawing {
|
|
var safeZone float32 = 5
|
|
|
|
if len(currentStroke.Points) <= 1 {
|
|
currentStroke.Points = append(currentStroke.Points, raylib.GetMousePosition())
|
|
} else if raylib.Vector2Distance(currentStroke.Points[len(currentStroke.Points)-1], raylib.GetMousePosition()) > safeZone {
|
|
currentStroke.Points = append(currentStroke.Points, raylib.GetMousePosition())
|
|
}
|
|
}
|
|
if raylib.IsMouseButtonReleased(raylib.MouseLeftButton) && currentStroke.Points != nil {
|
|
strokes = append(strokes, currentStroke)
|
|
currentStroke = penTool{}
|
|
undoneStrokes = []penTool{}
|
|
|
|
drawing = false
|
|
canvasRefresh = true
|
|
}
|
|
|
|
if raylib.IsKeyDown(raylib.KeyLeftControl) && raylib.IsKeyDown(raylib.KeyLeftShift) && raylib.IsKeyPressed(raylib.KeyZ) {
|
|
redoStroke()
|
|
} else if raylib.IsKeyDown(raylib.KeyLeftControl) && raylib.IsKeyPressed(raylib.KeyZ) {
|
|
undoStroke()
|
|
} else if raylib.IsKeyDown(raylib.KeyLeftControl) && raylib.IsKeyPressed(raylib.KeyS) {
|
|
saveImage()
|
|
}
|
|
}
|
|
|
|
// UPDATE
|
|
{
|
|
if drawing {
|
|
gui.SetState(gui.STATE_DISABLED)
|
|
} else {
|
|
gui.SetState(gui.STATE_NORMAL)
|
|
}
|
|
|
|
if canvasRefresh {
|
|
refreshCanvas()
|
|
canvasRefresh = false
|
|
}
|
|
|
|
UpdateToasts()
|
|
}
|
|
|
|
// DRAW
|
|
raylib.BeginDrawing()
|
|
{
|
|
raylib.ClearBackground(raylib.White)
|
|
gui.Grid(raylib.NewRectangle(0, 0, float32(WindowWidth), float32(WindowHeight)), "", 30, 1, &raylib.Vector2{})
|
|
|
|
// Canvas stuff
|
|
raylib.BeginMode2D(camera)
|
|
{
|
|
raylib.DrawRectangle(20, 20, int32(canvasSize.X), int32(canvasSize.Y), raylib.Fade(raylib.Black, 0.3))
|
|
raylib.DrawTexturePro(canvas.Texture, raylib.NewRectangle(0, 0, float32(canvas.Texture.Width), float32(-canvas.Texture.Height)), raylib.NewRectangle(10, 10, canvasSize.X, canvasSize.Y), raylib.Vector2{}, 0, raylib.White)
|
|
|
|
//raylib.BeginScissorMode(10, 10, int32(canvasSize.X), int32(canvasSize.Y))
|
|
currentStroke.Draw(raylib.NewVector2(0, 0))
|
|
//raylib.EndScissorMode()
|
|
|
|
if drawing {
|
|
raylib.DrawRectangleLines(10, 10, int32(canvasSize.X), int32(canvasSize.Y), raylib.DarkGray)
|
|
raylib.DrawCircleLines(int32(raylib.GetMousePosition().X), int32(raylib.GetMousePosition().Y), brushSize/2, raylib.Black)
|
|
} else {
|
|
raylib.DrawRectangleLines(10, 10, int32(canvasSize.X), int32(canvasSize.Y), raylib.Gray)
|
|
raylib.DrawCircleLines(int32(raylib.GetMousePosition().X), int32(raylib.GetMousePosition().Y), brushSize/2, raylib.Black)
|
|
}
|
|
}
|
|
raylib.EndMode2D()
|
|
|
|
// UI stuff
|
|
raylib.BeginScissorMode(sidePanelRelativeX, 0, int32(sidePanelWidth), WindowHeight)
|
|
{
|
|
raylib.DrawRectangle(sidePanelRelativeX, 0, int32(sidePanelWidth), WindowHeight, raylib.Fade(raylib.White, 0.7))
|
|
|
|
if gui.Button(raylib.NewRectangle(float32(sidePanelRelativeX+10), 10, 25, 25), gui.IconText(gui.ICON_CROSS, "")) {
|
|
menu = StateFileMenu
|
|
}
|
|
if gui.Button(raylib.NewRectangle(float32(sidePanelRelativeX+20+25), 10, 25, 25), gui.IconText(gui.ICON_FOLDER_SAVE, "")) {
|
|
saveImage()
|
|
}
|
|
|
|
if gui.Button(raylib.NewRectangle(float32(WindowWidth-70), 10, 25, 25), gui.IconText(gui.ICON_UNDO, "")) {
|
|
undoStroke()
|
|
}
|
|
if gui.Button(raylib.NewRectangle(float32(WindowWidth-35), 10, 25, 25), gui.IconText(gui.ICON_REDO, "")) {
|
|
redoStroke()
|
|
}
|
|
|
|
colourPickerVal = gui.ColorPicker(raylib.NewRectangle(float32(sidePanelRelativeX+10), 45, sidePanelWidth-45, colourPickerHeight), "Color", colourPickerVal)
|
|
|
|
gui.Label(raylib.NewRectangle(float32(sidePanelRelativeX+10), 55+colourPickerHeight, 60, 20), "Brush Size")
|
|
brushSize = gui.Slider(raylib.NewRectangle(float32(sidePanelRelativeX+80), 55+colourPickerHeight, sidePanelWidth-90, 20), "", "", brushSize, 1, 100)
|
|
|
|
gui.Label(raylib.NewRectangle(float32(sidePanelRelativeX+10), 85+colourPickerHeight, 60, 20), "Brush Opacity")
|
|
brushOpacity = gui.Slider(raylib.NewRectangle(float32(sidePanelRelativeX+80), 85+colourPickerHeight, sidePanelWidth-90, 20), "", "", brushOpacity, 0, 1)
|
|
|
|
gui.Label(raylib.NewRectangle(float32(sidePanelRelativeX+10), 115+colourPickerHeight, 60, 20), "File Name")
|
|
if gui.TextBox(raylib.NewRectangle(float32(sidePanelRelativeX+80), 115+colourPickerHeight, sidePanelWidth-90, 20), &fileName, 40, fileNameEditing) {
|
|
fileNameEditing = !fileNameEditing
|
|
}
|
|
}
|
|
raylib.EndScissorMode()
|
|
raylib.DrawRectangleLines(sidePanelRelativeX, 0, int32(sidePanelWidth), WindowHeight, raylib.Gray)
|
|
|
|
// Info
|
|
{
|
|
var text string
|
|
|
|
text = fmt.Sprintf("Strokes: %d | Points: %d", len(strokes), len(currentStroke.Points))
|
|
gui.StatusBar(raylib.NewRectangle(0, float32(WindowHeight-20), 200, 20), text)
|
|
|
|
text = fmt.Sprintf("Canvas Size: %dx%d | Scale: %v", int32(canvasSize.X), int32(canvasSize.Y), canvasScale)
|
|
gui.StatusBar(raylib.NewRectangle(199, float32(WindowHeight-20), 200, 20), text)
|
|
}
|
|
|
|
switch menu {
|
|
case StateFileMenu:
|
|
raylib.DrawRectangle(0, 0, WindowWidth, WindowHeight, raylib.Fade(raylib.Black, 0.5))
|
|
choice := gui.MessageBox(raylib.NewRectangle(float32(WindowWidth/2-200), float32(WindowHeight/2-100), 400, 200), "File", "This is a message box", "OK")
|
|
if choice == 0 || choice == 1 {
|
|
menu = StateNone
|
|
}
|
|
default:
|
|
menu = StateNone
|
|
}
|
|
|
|
// Draw toasts
|
|
DrawToasts()
|
|
}
|
|
raylib.EndDrawing()
|
|
}
|
|
|
|
// QUIT
|
|
raylib.CloseAudioDevice()
|
|
raylib.CloseWindow()
|
|
|
|
// GOODBYE
|
|
}
|