Changeset 00ddb40 in mainline for uspace/lib/softrend/filter.c

Timestamp:

2014-08-31T20:10:20Z (11 years ago)

Author:

Martin Sucha <sucha14@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

5713e5f

Parents:

8d3512f1

Message:

Get rid of black alias at the edge of rotated windows

File:

• uspace/lib/softrend/filter.c (modified) (6 diffs)

uspace/lib/softrend/filter.c

@@ -38 +38 @@
 #include <io/pixel.h>
 
+
 static long round(double val)
 {
@@ -59 +60 @@
 }
 
-static pixel_t get_pixel(pixelmap_t *pixmap, sysarg_t x, sysarg_t y, bool tile)
-{
-        if (tile) {
-                x %= pixmap->width;
-                y %= pixmap->height;
-        }
-
-        return pixelmap_get_pixel(pixmap, (sysarg_t) x, (sysarg_t) y);
-}
 
 static inline pixel_t blend_pixels(size_t count, float *weights,
@@ -84 +76 @@
 }
 
-pixel_t filter_nearest(pixelmap_t *pixmap, double x, double y, bool tile)
+pixel_t filter_nearest(pixelmap_t *pixmap, double x, double y,
+    pixelmap_extend_t extend)
 {
-        return get_pixel(pixmap, round(x), round(y), tile);
+        return pixelmap_get_extended_pixel(pixmap, round(x), round(y), extend);
 }
 
-pixel_t filter_bilinear(pixelmap_t *pixmap, double x, double y, bool tile)
+pixel_t filter_bilinear(pixelmap_t *pixmap, double x, double y,
+    pixelmap_extend_t extend)
 {
         long x1 = floor(x);
@@ -97 +91 @@
         
         if (y1 == y2 && x1 == x2) {
-                return get_pixel(pixmap, (sysarg_t) x1, (sysarg_t) y1,
-                    tile);
+                return pixelmap_get_extended_pixel(pixmap,
+                    (sysarg_t) x1, (sysarg_t) y1, extend);
         }
         
@@ -105 +99 @@
         
         pixel_t pixels[4];
-        pixels[0] = get_pixel(pixmap, x1, y1, tile);
-        pixels[1] = get_pixel(pixmap, x2, y1, tile);
-        pixels[2] = get_pixel(pixmap, x1, y2, tile);
-        pixels[3] = get_pixel(pixmap, x2, y2, tile);
+        pixels[0] = pixelmap_get_extended_pixel(pixmap, x1, y1, extend);
+        pixels[1] = pixelmap_get_extended_pixel(pixmap, x2, y1, extend);
+        pixels[2] = pixelmap_get_extended_pixel(pixmap, x1, y2, extend);
+        pixels[3] = pixelmap_get_extended_pixel(pixmap, x2, y2, extend);
         
         float weights[4];
@@ -119 +113 @@
 }
 
-pixel_t filter_bicubic(pixelmap_t *pixmap, double x, double y, bool tile)
+pixel_t filter_bicubic(pixelmap_t *pixmap, double x, double y,
+    pixelmap_extend_t extend)
 {
         // TODO