From c659cf05e4fde7206feffdc785d0ec888b599585 Mon Sep 17 00:00:00 2001
From: scuri <scuri>
Date: Tue, 1 Dec 2009 18:47:25 +0000
Subject: Changed: ANTIALIAS attribute is now respected also by CanvasText in
the IMAGERGB driver.
---
src/sim/sim_text.c | 59 +++++++++++++++++++++++++++++++++++-------------------
1 file changed, 38 insertions(+), 21 deletions(-)
(limited to 'src')
diff --git a/src/sim/sim_text.c b/src/sim/sim_text.c
index 05789b1..f543269 100644
--- a/src/sim/sim_text.c
+++ b/src/sim/sim_text.c
@@ -231,10 +231,20 @@ static void simDrawTextBitmap(cdSimulation* simulation, FT_Bitmap* bitmap, int x
{
for (j = 0; j < width; j++)
{
- if (fg_alpha == 255)
- calpha = bitmap_data[j];
+ if (simulation->antialias)
+ {
+ if (fg_alpha == 255)
+ calpha = bitmap_data[j];
+ else
+ calpha = (fg_alpha*bitmap_data[j])/255;
+ }
else
- calpha = (fg_alpha*bitmap_data[j])/255;
+ {
+ if (bitmap_data[j] > 128) /* behave as 255 */
+ calpha = fg_alpha;
+ else
+ calpha = 0;
+ }
*red++ = CD_ALPHA_BLEND(fg_red, bg_red, calpha);
*green++ = CD_ALPHA_BLEND(fg_green, bg_green, calpha);
@@ -261,32 +271,39 @@ static void simDrawTextBitmap(cdSimulation* simulation, FT_Bitmap* bitmap, int x
memset(green, cdGreen(fg), size);
memset(blue, cdBlue(fg), size);
- if (fg_alpha == 255)
+ /* alpha is the bitmap_data itself
+ if the foreground color does not contains alpha.
+ Also must invert since it is top-down. */
+
+ for (i = 0; i < height; i++)
{
- /* alpha is the bitmap_data itself
- if the foreground color does not contains alpha.
- Also must invert since it is top-down. */
- for (i = 0; i < height; i++)
+ if (simulation->antialias)
{
- memcpy(alpha, bitmap_data, width);
- alpha += width;
- bitmap_data -= width;
+ if (fg_alpha == 255)
+ {
+ memcpy(alpha, bitmap_data, width);
+ alpha += width;
+ }
+ else
+ {
+ for (j = 0; j < width; j++)
+ {
+ *alpha++ = (fg_alpha*bitmap_data[j])/255;
+ }
+ }
}
- }
- else
- {
- /* alpha is the bitmap_data itself
- if the foreground color does not contains alpha.
- Also must invert since it is top-down. */
- for (i = 0; i < height; i++)
+ else
{
for (j = 0; j < width; j++)
{
- *alpha++ = (fg_alpha*bitmap_data[j])/255;
+ if (bitmap_data[j] > 128) /* behave as 255 */
+ *alpha++ = fg_alpha;
+ else
+ *alpha++ = 0;
}
-
- bitmap_data -= width;
}
+
+ bitmap_data -= width;
}
/* reset alpha pointer */
--
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