Add card view to search page.

cv_gtk3/gtk_util.py

@@ -0,0 +1,61 @@
+import re
+import os
+from gi.repository import GdkPixbuf
+try:
+    from PIL import Image as PImage
+except ImportError as err:
+    print('PIL imaging library is not installed')
+
+from cv_engine.util import EngineConfig
+
+
+class GTKUtilities:
+    """ Access to image caches and utilities for use in the GTK application """
+    # Loaded mana symbols Format: {'B': GDKPixbuf, '3': GDKPixbuf}
+    mana_icons = {}
+    # Cache for combined mana cost icons
+    precon_icon_cache = {}
+
+    @staticmethod
+    def get_mana_icons(mana_string):
+        """ Return the combined mana symbols for a mana string
+        :param mana_string: String in the format '{3}{U}{B}'
+        :return: GdkPixbuf containing the combined symbols
+        """
+        if not mana_string:
+            return
+        icon_list = re.findall("{(.*?)}", mana_string.replace("/", "-"))
+        icon_name = "_".join(icon_list)
+        try:
+            icon = GTKUtilities.precon_icon_cache[icon_name]
+        except KeyError:
+            icon = GTKUtilities.create_mana_icons(mana_string)
+            GTKUtilities.precon_icon_cache[icon_name] = icon
+        return icon
+
+    @staticmethod
+    def create_mana_icons(mana_string):
+        # Convert the string to a List
+        glyphs = re.findall("{(.*?)}", mana_string)
+        if len(glyphs) == 0:
+            return
+        # Compute horizontal size for the final image
+        size = len(glyphs) * 105
+        image = PImage.new("RGBA", (size, 105))
+        for icon in glyphs:
+            x_pos = glyphs.index(icon) * 105
+            try:
+                loaded = GTKUtilities.mana_icons[icon]
+            except KeyError:
+                return
+            image.paste(loaded, (x_pos, 0))
+        # Save pre build icon file
+        path = os.path.join(EngineConfig.icon_cache_path, "_".join(glyphs) + ".png")
+        image.save(path)
+        try:
+            pixbuf = GdkPixbuf.Pixbuf.new_from_file(path)
+            pixbuf = pixbuf.scale_simple(image.width / 5, image.height / 5, GdkPixbuf.InterpType.HYPER)
+        except Exception as err:
+            print(err)
+            return
+        return pixbuf