[PATCH 02/33] video: Support truetype fonts on a 32-bit display
Simon Glass
sjg at chromium.org
Sun Jan 12 20:05:53 CET 2020
At present only a 16bpp display is supported for Truetype fonts. Add
support for 32bpp also since this is quite common.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
drivers/video/console_truetype.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/video/console_truetype.c b/drivers/video/console_truetype.c
index 30086600fb..0a725c5c15 100644
--- a/drivers/video/console_truetype.c
+++ b/drivers/video/console_truetype.c
@@ -286,6 +286,27 @@ static int console_truetype_putc_xy(struct udevice *dev, uint x, uint y,
}
break;
}
+#endif
+#ifdef CONFIG_VIDEO_BPP32
+ case VIDEO_BPP32: {
+ u32 *dst = (u32 *)line + xoff;
+ int i;
+
+ for (i = 0; i < width; i++) {
+ int val = *bits;
+ int out;
+
+ if (vid_priv->colour_bg)
+ val = 255 - val;
+ out = val | val << 8 | val << 16;
+ if (vid_priv->colour_fg)
+ *dst++ |= out;
+ else
+ *dst++ &= out;
+ bits++;
+ }
+ break;
+ }
#endif
default:
free(data);
--
2.25.0.rc1.283.g88dfdc4193-goog
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