Add parameters and a prompt to the stitcher

.vscode/settings.json

@@ -7,8 +7,15 @@
         "hacky",
         "hilbertify",
         "kbinani",
+        "manifoldco",
         "mapcap",
+        "nfnt",
         "noita",
-        "schollz"
+        "schollz",
+        "tcnksm",
+        "xmax",
+        "xmin",
+        "ymax",
+        "ymin"
     ]
 }

README.md

@@ -4,19 +4,21 @@ Addon that captures the map and saves it as image.
 
 ![](images/example1.png)
 
+A resulting image with close to 3 gigapixels can be [seen here](https://easyzoom.com/image/158284/album/0/4).
+
 ## State
 
 Works somewhat, still in development.
 
 **To-Do:**
 
-- [ ] Reduce memory usage of stitching program
+- [x] Reduce memory usage of stitching program
 - [x] Make stitching multi threaded
-- [ ] Add parameters to stitching program
+- [x] Add parameters to stitching program
 - [x] Show progress while stitching
 - [x] Improve image quality, reduce artifacts
 - [ ] Travis or similar for automatic builds, right now there are no executables
-- [ ] Fix crash while taking screenshots
+- [x] Fix crash while taking screenshots
 
 ## Usage
 
@@ -35,7 +37,7 @@ Works somewhat, still in development.
 
 ## Advanced usage
 
-If you use `noita_dev.exe`, you can enable the debug mode by pressing `F5`. Once in debug mode, you can use `F8` to toggle shaders (Includes fog of war), and you can use `F7` to disable the UI.
+If you use `noita_dev.exe`, you can enable the debug mode by pressing `F5`. Once in debug mode, you can use `F8` to toggle shaders (Includes fog of war), and you can use `F12` to disable the UI. There are some more options in the `F7` and `Shift + F7` menu.
 
 ## License
 

bin/stitch/README.md

@@ -0,0 +1,62 @@
+# Stitch
+
+A program to stitch (overlapping) image tiles of pixel-art to one big image.
+
+The program will use median filtering for overlapping images.
+That means that all moving object will completely disappear, and only the static pixels will be outputted.
+But this has the disadvantage of being slower, and objects that move only a little bit may become blurred.
+
+You can also use this program to remove moving objects from a series of photographs taken with a tripod.
+But as this tool is designed for pixel art, it only accepts png as input.
+
+## Source images
+
+The source images need to contain their coordinates in the filename, as this program doesn't align the images:
+
+`%d,%d.png`
+
+example list of files:
+
+``` Shell Session
+0,0.png
+512,0.png
+-512,0.png
+512,-512.png
+```
+
+## Usage
+
+- Run the program and follow the interactive prompt.
+- Run the program with parameters:
+  - `divide int`
+    A downscaling factor. 2 will produce an image with half the side lengths. (default 2)
+  - `input string`The source path of the image tiles to be stitched. (default "..\\..\\output")
+  - `output string`
+    The path and filename of the resulting stitched image. (default "output.png")
+  - `xmax int`
+    Right bound of the output rectangle. This coordinate is not included in the output.
+  - `xmin int`
+    Left bound of the output rectangle. This coordinate is included in the output.
+  - `ymax int`
+    Lower bound of the output rectangle. This coordinate is not included in the output.
+  - `ymin int`
+    Upper bound of the output rectangle. This coordinate is included in the output.
+
+Example of usage:
+
+``` Shell Session
+./stitch -divide 2
+```
+
+Example of output:
+
+``` Shell Session
+2019/10/25 16:02:25 Starting to read tile information at "..\..\output"
+2019/10/25 16:02:34 Got 43338 tiles
+2019/10/25 16:02:34 Total size of the possible output space is (-19968,-36864)-(21184,35100)
+2019/10/25 16:02:34 Creating output image with a size of (41152,71964)
+2019/10/25 16:02:46 Stitching 43338 tiles into an image at (-19968,-36864)-(21184,35100)
+ 100% |████████████████████████████████████████|  [33m13s:0s]
+2019/10/25 16:35:59 Creating output file "output.png"
+2019/10/25 16:44:17 Created output file "output.png"
+```

bin/stitch/imagetiles.go

@@ -44,7 +44,7 @@ func loadImages(path string, scaleDivider int) ([]imageTile, error) {
 		return nil, fmt.Errorf("Invalid scale of %v", scaleDivider)
 	}
 
-	files, err := filepath.Glob(filepath.Join(inputPath, "*.png"))
+	files, err := filepath.Glob(filepath.Join(path, "*.png"))
 	if err != nil {
 		return nil, err
 	}
@@ -267,7 +267,7 @@ func (tp tilePairs) StitchGrid(tiles []imageTile, destImage *image.RGBA, gridSiz
 	// Start worker threads
 	wc := make(chan image.Rectangle)
 	wg := sync.WaitGroup{}
-	for i := 0; i < runtime.NumCPU(); i++ {
+	for i := 0; i < runtime.NumCPU()*2; i++ {
 		wg.Add(1)
 		go func() {
 			defer wg.Done()

bin/stitch/stitch.go

@@ -6,21 +6,78 @@
 package main
 
 import (
+	"flag"
+	"fmt"
 	"image"
 	"image/png"
 	"log"
 	"os"
 	"path/filepath"
+
+	"github.com/manifoldco/promptui"
 )
 
-var inputPath = filepath.Join(".", "..", "..", "output")
+var flagInputPath = flag.String("input", filepath.Join(".", "..", "..", "output"), "The source path of the image tiles to be stitched.")
+var flagOutputPath = flag.String("output", filepath.Join(".", "output.png"), "The path and filename of the resulting stitched image.")
+var flagScaleDivider = flag.Int("divide", 2, "A downscaling factor. 2 will produce an image with half the side lengths.")
+var flagXMin = flag.Int("xmin", 0, "Left bound of the output rectangle. This coordinate is included in the output.")
+var flagYMin = flag.Int("ymin", 0, "Upper bound of the output rectangle. This coordinate is included in the output.")
+var flagXMax = flag.Int("xmax", 0, "Right bound of the output rectangle. This coordinate is not included in the output.")
+var flagYMax = flag.Int("ymax", 0, "Lower bound of the output rectangle. This coordinate is not included in the output.")
 
 func main() {
-	log.Printf("Starting to read tile information at \"%v\"", inputPath)
+	flag.Parse()
-	tiles, err := loadImages(inputPath, 2)
+
+	// Query the user, if there were no cmd arguments given
+	if flag.NFlag() == 0 {
+		prompt := promptui.Prompt{
+			Label:     "Enter downscaling factor:",
+			Default:   fmt.Sprint(*flagScaleDivider),
+			AllowEdit: true,
+			Validate: func(s string) error {
+				var num int
+				_, err := fmt.Sscanf(s, "%d", &num)
+				if err != nil {
+					return err
+				}
+				if int(num) < 1 {
+					return fmt.Errorf("Number must be larger than 0")
+				}
+
+				return nil
+			},
+		}
+
+		result, err := prompt.Run()
+		if err != nil {
+			log.Panicf("Error while getting user input: %v", err)
+		}
+		fmt.Sscanf(result, "%d", flagScaleDivider)
+	}
+
+	// Query the user, if there were no cmd arguments given
+	if flag.NFlag() == 0 {
+		prompt := promptui.Prompt{
+			Label:     "Enter input path:",
+			Default:   *flagInputPath,
+			AllowEdit: true,
+		}
+
+		result, err := prompt.Run()
+		if err != nil {
+			log.Panicf("Error while getting user input: %v", err)
+		}
+		*flagInputPath = result
+	}
+
+	log.Printf("Starting to read tile information at \"%v\"", *flagInputPath)
+	tiles, err := loadImages(*flagInputPath, *flagScaleDivider)
 	if err != nil {
 		log.Panic(err)
 	}
+	if len(tiles) == 0 {
+		log.Panicf("Got no tiles inside of %v", *flagInputPath)
+	}
 	log.Printf("Got %v tiles", len(tiles))
 
 	totalBounds := image.Rectangle{}
@@ -43,9 +100,58 @@ func main() {
 	}
 	defer pprof.StopCPUProfile()*/
 
-	// TODO: Flags / Program arguments
+	// If the output rect is empty, use the rectangle that encloses all tiles
+	outputRect := image.Rect(*flagXMin, *flagYMin, *flagXMax, *flagYMax)
+	if outputRect.Empty() {
+		outputRect = totalBounds
+	}
 
-	outputRect := image.Rect(-1900*2, -1900*2, 1900*2, 1900*2)
+	// Query the user, if there were no cmd arguments given
+	if flag.NFlag() == 0 {
+		prompt := promptui.Prompt{
+			Label:     "Enter output rectangle (xMin,yMin;xMax,yMax):",
+			Default:   fmt.Sprintf("%d,%d;%d,%d", outputRect.Min.X, outputRect.Min.Y, outputRect.Max.X, outputRect.Max.Y),
+			AllowEdit: true,
+			Validate: func(s string) error {
+				var xMin, yMin, xMax, yMax int
+				_, err := fmt.Sscanf(s, "%d,%d;%d,%d", &xMin, &yMin, &xMax, &yMax)
+				if err != nil {
+					return err
+				}
+				rect := image.Rect(xMin, yMin, xMax, yMax)
+				if rect.Empty() {
+					return fmt.Errorf("Rectangle must not be empty")
+				}
+
+				outputRect = rect
+
+				return nil
+			},
+		}
+
+		result, err := prompt.Run()
+		if err != nil {
+			log.Panicf("Error while getting user input: %v", err)
+		}
+		var xMin, yMin, xMax, yMax int
+		fmt.Sscanf(result, "%d,%d;%d,%d", &xMin, &yMin, &xMax, &yMax)
+		outputRect = image.Rect(xMin, yMin, xMax, yMax)
+	}
+
+	// Query the user, if there were no cmd arguments given
+	if flag.NFlag() == 0 {
+		prompt := promptui.Prompt{
+			Label:     "Enter output filename and path:",
+			Default:   *flagOutputPath,
+			AllowEdit: true,
+		}
+
+		result, err := prompt.Run()
+		if err != nil {
+			log.Panicf("Error while getting user input: %v", err)
+		}
+		*flagOutputPath = result
+	}
 
 	log.Printf("Creating output image with a size of %v", outputRect.Size())
 	outputImage := image.NewRGBA(outputRect)

go.mod

@@ -4,11 +4,15 @@ go 1.13
 
 require (
 	github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802 // indirect
+	github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d // indirect
 	github.com/gen2brain/shm v0.0.0-20180314170312-6c18ff7f8b90 // indirect
 	github.com/google/hilbert v0.0.0-20181122061418-320f2e35a565
 	github.com/kbinani/screenshot v0.0.0-20190719135742-f06580e30cdc
 	github.com/lxn/win v0.0.0-20190919090605-24c5960b03d8 // indirect
+	github.com/manifoldco/promptui v0.3.2
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
 	github.com/schollz/progressbar/v2 v2.14.0
+	github.com/tcnksm/go-input v0.0.0-20180404061846-548a7d7a8ee8 // indirect
 	golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8
+	gopkg.in/alecthomas/kingpin.v3-unstable v3.0.0-20180810215634-df19058c872c // indirect
 )

go.sum

@@ -1,29 +1,82 @@
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