colors muted

game/src/cg_gallery.rpy

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+init python:
+
+    # CONST PARAMS
+    GALLERY_COLS = 3
+    GALLERY_CGS_PER_PAGE = 6
+    PREFERRED_WIDTH = 432 #px (1920 * 0.225)
+    PREFERRED_HEIGHT = 243 #px (1080 * 0.225)
+    DEFAULT_WIDTH_SCALE_RATIO = round(float(PREFERRED_WIDTH) / float(1920), 4)
+    DEFAULT_HEIGHT_SCALE_RATIO = round(float(PREFERRED_HEIGHT) / float(1080), 4)
+    NOT_UNLOCKED_COVER = im.FactorScale("gui/gallery/unlocked_cg_button_cover.png", DEFAULT_WIDTH_SCALE_RATIO, DEFAULT_HEIGHT_SCALE_RATIO)
+    ACCEPTED_EXTENSIONS = ["jpg", "png"]
+    CG_PATHS = "images/cgs/"
+
+    # GALLERY OBJECT
+    # Handles unlockables via ren'py
+    g = Gallery()
+    g.transition = dissolve
+    g.locked_button = NOT_UNLOCKED_COVER
+
+    # GALLERY ITEMS
+    # Data structure that holds the data for each cg and button
+    # item is the key in the Gallery
+    # ext is the file extension
+    # { item: string; cg: Displayable; ext: string }[]
+    galleryItems = []
+
+    # Make a scaled cg button
+    # (cg: string; ext: string; w: float; h: float; unlocked?: boolean): Displayable
+    def cg(fname, ext, w, h):
+        scaleFactor = getBoxNormalizerRatio(w, h)
+        return im.FactorScale(CG_PATHS + fname + "." + ext, scaleFactor["x"], scaleFactor["y"], False)
+
+    # Create an object in g:Gallery, add to galleryItems
+    # (imageName: string; ext: string; w: float; h: float) -> None
+    def addGalleryItem(imageName, ext, w, h):
+        g.button(imageName)
+        g.image(imageName)
+
+        horizontalPan = Pan((w - 1920, h - 1080), (0, h - 1080), 30.0)
+        verticalPan = Pan((w - 1920, h - 1080), (w - 1920, 0), 30.0)
+        g.transform(horizontalPan if w > h else verticalPan) #TODO: niceify
+
+        str = "renpy.seen_image('"+imageName+"')"
+        g.condition(str)
+
+        galleryItems.append({
+            "item": imageName,
+            "cg": cg(imageName, ext, w, h),
+            "ext": ext
+        })
+        return
+
+    # Reads /images/cgs dir for all image files
+    # Populates g:Gallery and galleryItems
+    # Appends extra spaces at the end
+    # () -> None
+    def loadGallery():
+
+        list_img = renpy.list_images()
+
+        # Add each image to the gallery
+        for str in list_img:
+            _str = CG_PATHS+str+"."+ACCEPTED_EXTENSIONS[0]
+            if renpy.loadable(_str): #brute force
+                image = renpy.image_size(Image(_str))
+                addGalleryItem(str, ACCEPTED_EXTENSIONS[0], image[0], image[1])
+        return
+
+
+    # Returns what params to call im.FactorScale with for cg button size
+    # Basically the delta diff dimensions
+    # (w: int; h: int) -> { x: float; y: float }
+    def getBoxNormalizerRatio(w, h):
+        x = round(float(PREFERRED_WIDTH) / float(w), 4)
+        y = round(float(PREFERRED_HEIGHT) / float(h), 4)
+
+        return { "x": x, "y": y }
+
+    # Call to loading the gallery
+    loadGallery()
+
+## CG Gallery screen ########################################################
+## A screen that shows the image gallery
+screen cg_gallery():
+    python:
+        items = len(galleryItems)
+        galleryRows = (items / GALLERY_COLS) + 1
+        extraSpaces = GALLERY_COLS - (items % GALLERY_COLS)
+    tag menu
+    use game_menu(_("Gallery"), scroll="viewport"):
+        grid GALLERY_COLS galleryRows:
+            spacing 8
+            for item in galleryItems:
+#                vbox:
+#                    text item["item"] size 8
+                add g.make_button(item["item"], item["cg"], xalign = 0.5, yalign = 0.5)
+            # Add empty items to fill grid after last cg button
+            for i in range(0, extraSpaces):
+                null height 20
+