Add crude texture transparency

1 files changed, 11 insertions, 5 deletions

diff --git a/src/GFX/Image/PPMParser.cpp b/src/GFX/Image/PPMParser.cpp
index f002db8..1f62871 100644
--- a/src/GFX/Image/PPMParser.cpp
+++ b/src/GFX/Image/PPMParser.cpp
@@ -68,12 +68,18 @@ RawImage::Pixel PPMParser::parse_pixel(uint8_t max_color) {
 
     auto map_to_range = [=](uint64_t s) -> uint8_t { return s * 255 / max_color; };
 
-    RawImage::Pixel pixel{};
-    pixel.r = map_to_range(r_sample);
-    pixel.g = map_to_range(g_sample);
-    pixel.b = map_to_range(b_sample);
+    RawImage::Pixel p{
+        map_to_range(r_sample),
+        map_to_range(g_sample),
+        map_to_range(b_sample),
+        255
+    };
+
+    if (p.r == alpha_color.r && p.g == alpha_color.g && p.b == alpha_color.b) {
+        p.a = 0;
+    }
 
-    return pixel;
+    return p;
 }
 
 uint64_t PPMParser::parse_sample() {