diff options
| -rw-r--r-- | src/sim/sim_text.c | 59 |
1 files changed, 38 insertions, 21 deletions
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 */ |