1 files changed, 140 insertions, 0 deletions
diff --git a/Redim/core.py b/Redim/core.py
new file mode 100644
index 0000000..03d7f1c
--- /dev/null
+++ b/Redim/core.py
@@ -0,0 +1,140 @@
+from os import mkdir, listdir
+from os.path import isfile, isdir, join
+from PIL.Image import ANTIALIAS
+from PIL.Image import new as image_new
+from PIL.Image import open as image_open
+
+
+class Redim():
+    def __init__(self):
+        self.__charcters_indesirable = (
+            "(", ")", "[", "]", "{", "}", "'", "#", "¨",
+            "&", "$", "£", "¤", "€", "`", "^", "°", "§",
+            "@", "!", ",", "~", "%", ";", "µ"
+        )
+        self.__charcters_underscore = (" ", "-")
+        self.__adverbes_multplicatifs = (
+            "_bis", "_ter", "_quater", "_quinquies",
+            "_sexies", "_septies"
+        )
+
+    def start(self, dossier, configuration):
+        for i in range(len(configuration["dimensions"])):
+            print(
+                "\n[-] travail pour",
+                str(configuration["dimensions"][i][0]),
+                "x",
+                str(configuration["dimensions"][i][1]),
+                "px :"
+            )
+            if dossier != "":
+                if isdir(dossier):
+                    liste, destination = self.listage(
+                        dossier,
+                        str(configuration["dimensions"][i][0]),
+                        configuration["formats_acceptes"]
+                    )
+                    self.main(liste, destination, configuration, i)
+                else:
+                    print("    >>>ERREUR<<< : Le dossier n'existe plus.")
+            else:
+                print("    >>>ERREUR<<< : Aucun dossier selectionne.")
+
+    def listage(self, dossier, larg, formats_acceptes):
+        liste = []
+        destination = join(dossier, str(larg))
+        if not isdir(destination):
+            mkdir(destination)
+        for nom in listdir(dossier):
+            if isfile(join(dossier, nom)):
+                if join(dossier, nom).rsplit(".", 1)[-1] in formats_acceptes:
+                    liste.append([join(dossier, nom), nom])
+        return liste, destination
+
+    def suppression_de_alpha(self, img, background):
+        img = img.convert("RGBA")
+        if img.mode in ("RGBA", "LA"):
+            fond = image_new(img.mode[:-1], img.size, background)
+            fond.paste(img, img.split()[-1])
+            img = fond
+        img.convert("RGB")
+        return img
+
+    def redimensionnement(self, img, larg, haut):
+        if (img.size[0] >= larg) or (img.size[1] >= haut):
+            img.thumbnail((larg, haut), ANTIALIAS)
+        elif (img.size[0] / img.size[1]) <= (larg / haut):
+            nouvelle_larg = int(haut * img.size[0] / img.size[1])
+            img = img.resize((nouvelle_larg, haut), ANTIALIAS)
+        else:
+            nouvelle_haut = int(larg * img.size[1] / img.size[0])
+            img = img.resize((larg, nouvelle_haut), ANTIALIAS)
+        return img
+
+    def rennomage(self, origine_nom, larg, format_final):
+        nouveau_nom = origine_nom
+        for i in self.__charcters_indesirable:
+            nouveau_nom = nouveau_nom.replace(i, "")
+        for i in self.__charcters_underscore:
+            nouveau_nom = nouveau_nom.replace(i, "_")
+        return nouveau_nom.lower() + "_modif_" + str(larg) + format_final
+
+    def main(self, liste, destination, configuration, loop):
+        for nom in liste:
+            print("    [+] Travail sur :", nom[1])
+            img = image_open(nom[0])
+            print(
+                "        >> Taille initiale :",
+                img.size[0],
+                "x",
+                img.size[1],
+                "px"
+            )
+            if nom[1].rsplit(".", 1)[-1] in ("png", "webp"):
+                img = self.suppression_de_alpha(
+                    img,
+                    configuration["background"]
+                )
+            img = self.redimensionnement(
+                img,
+                configuration["dimensions"][loop][0],
+                configuration["dimensions"][loop][1],
+            )
+            print(
+                "        >> Taille apres redimensionnement :",
+                img.size[0],
+                "x",
+                img.size[1],
+                "px"
+            )
+            nouveau_nom = self.rennomage(
+                nom[1].rsplit(".", 1)[0],
+                configuration["dimensions"][loop][0],
+                configuration["format_final"]
+            )
+            fond = image_new(
+                "RGB",
+                (
+                    configuration["dimensions"][loop][0],
+                    configuration["dimensions"][loop][1]
+                ),
+                tuple(configuration["background"])
+            )
+            fond.paste(
+                img,
+                (
+                    (configuration["dimensions"][loop][0] - img.size[0]) // 2,
+                    (configuration["dimensions"][loop][1] - img.size[1]) // 2
+                )
+            )
+            if isfile(join(destination, nouveau_nom)):
+                nom_deja_present = nouveau_nom
+                iteration = 0
+                while isfile(join(destination, nom_deja_present)):
+                    nom_deja_present = nouveau_nom.rsplit(".", 1)[0]\
+                        + self.__adverbes_multplicatifs[iteration]
+                    nom_deja_present += configuration["format_final"]
+                    iteration += 1
+                fond.save(join(destination, nom_deja_present))
+            else:
+                fond.save(join(destination, nouveau_nom))