text to srites. cache scaled font sprites...

1 files changed, 52 insertions, 0 deletions

diff --git a/src/sliceitoff/text/text.py b/src/sliceitoff/text/text.py
new file mode 100644
index 0000000..f01e517
--- /dev/null
+++ b/src/sliceitoff/text/text.py
@@ -0,0 +1,52 @@
+import pygame
+from random import randrange
+
+from images import Fonts
+from display import Scaling
+
+scaled_fonts = {}
+
+class LetterSprite(pygame.sprite.Sprite):
+    def __init__(self, image, pos):
+        super().__init__()
+        self.image = image
+        self.rect = self.image.get_rect().move(pos)
+        self.direction = (
+                Scaling.factor * 40 * 1_000 + randrange(4_000),
+                Scaling.factor * 40 * 1_000 + randrange(4_000))
+
+class TextPage(pygame.sprite.Group):
+    def __init__(
+            self,
+            text,
+            pos = (0,0),
+            size = (8_000,16_000),
+            grid = None,
+            font = 'lcd'):
+        super().__init__()
+        if grid == None:
+            grid = size
+        col, row = 0, 0
+        x, y = pos
+        w, h = grid
+        for ch_txt in text:
+            if ch_txt == '\n':
+                row += 1
+                col = 0
+                continue
+            if ch_txt == '\t':
+                col = (col + 4) % 4
+                continue
+            font_key = (font, w)
+            ch = ord(ch_txt)
+            if font_key not in scaled_fonts:
+                scaled_fonts[font_key]=[None for _ in range(256)]
+            if scaled_fonts[font_key][ch] == None:
+                scaled_fonts[font_key][ch] = pygame.transform.scale_by(
+                        Fonts.fonts[font].get(ch),
+                        size[0]/8 * Scaling.factor)
+            image = scaled_fonts[font_key][ch]
+            image_pos = Scaling.scale_to_display( (x+col*w, y+row*h) )
+            self.add(LetterSprite(image, image_pos))
+            col += 1
+        
\ No newline at end of file