From dd7595a3475407a7fa96a97393bae8c5220e8762 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Wed, 4 Jan 2012 18:41:13 +1000
Subject: Add the base Enlightenment Foundation Libraries - eina, eet, evas,
 ecore, embryo, and edje.

Note that embryo wont be used, but I'm not sure yet if you can build edje without it.
---
 .../engines/common/evas_scale_smooth_scaler_down.c | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_down.c

(limited to 'libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_down.c')

diff --git a/libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_down.c b/libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_down.c
new file mode 100644
index 0000000..357eb32
--- /dev/null
+++ b/libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_down.c
@@ -0,0 +1,43 @@
+{
+   DATA32  **ypoints;
+   int     *xpoints;
+   int     *xapoints, *xapp;
+   int     *yapoints, *yapp;
+   DATA32  *buf, *src_data;
+
+   RGBA_Gfx_Func      func;
+
+   src_data = src->image.data;
+   
+   /* some maximum region sizes to avoid insane calc point tables */
+   SCALE_CALC_X_POINTS(xpoints, src_region_w, dst_region_w, dst_clip_x - dst_region_x, dst_clip_w);
+   SCALE_CALC_Y_POINTS(ypoints, src_data, src_w, src_region_h, dst_region_h, dst_clip_y - dst_region_y, dst_clip_h);
+   SCALE_CALC_A_POINTS(xapoints, src_region_w, dst_region_w, dst_clip_x - dst_region_x, dst_clip_w);
+   SCALE_CALC_A_POINTS(yapoints, src_region_h, dst_region_h, dst_clip_y - dst_region_y, dst_clip_h);
+   
+   /* a scanline buffer */
+   buf = alloca(dst_clip_w * sizeof(DATA32));
+   
+   if (dc->mul.use)
+      func = evas_common_gfx_func_composite_pixel_color_span_get(src, dc->mul.col, dst, dst_clip_w, dc->render_op);
+   else
+      func = evas_common_gfx_func_composite_pixel_span_get(src, dst, dst_clip_w, dc->render_op);
+   /* scaling down vertically */
+   if ((dst_region_w >= src_region_w) &&
+       (dst_region_h <  src_region_h))
+     {
+#include "evas_scale_smooth_scaler_downy.c"
+     }
+   /* scaling down horizontally */
+   else if ((dst_region_w < src_region_w) &&
+            (dst_region_h >=  src_region_h))
+     {
+#include "evas_scale_smooth_scaler_downx.c"
+     }
+   /* scaling down both vertically & horizontally */
+   else if ((dst_region_w < src_region_w) &&
+            (dst_region_h <  src_region_h))
+     {
+#include "evas_scale_smooth_scaler_downx_downy.c"
+     }
+}
-- 
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