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.
---
 .../lib/engines/common/evas_map_image_internal.c   | 117 +++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 libraries/evas/src/lib/engines/common/evas_map_image_internal.c

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

diff --git a/libraries/evas/src/lib/engines/common/evas_map_image_internal.c b/libraries/evas/src/lib/engines/common/evas_map_image_internal.c
new file mode 100644
index 0000000..d60117e
--- /dev/null
+++ b/libraries/evas/src/lib/engines/common/evas_map_image_internal.c
@@ -0,0 +1,117 @@
+// 66.74 % of time
+static void
+FUNC_NAME(RGBA_Image *src, RGBA_Image *dst,
+          RGBA_Draw_Context *dc,
+          RGBA_Map_Point *p, 
+          int smooth, int level __UNUSED__) // level unused for now - for future use
+{
+   int i;
+   int c, cx, cy, cw, ch;
+   int ytop, ybottom, ystart, yend, y, sw, shp, swp, direct;
+   Line *spans;
+   DATA32 *buf = NULL, *sp;
+   RGBA_Gfx_Func func = NULL;
+   int havea = 0;
+   int havecol = 4;
+
+   // get the clip
+   c = dc->clip.use; cx = dc->clip.x; cy = dc->clip.y; cw = dc->clip.w; ch = dc->clip.h;
+   if (!c)
+     {
+        cx = 0;
+        cy = 0;
+        cw = dst->cache_entry.w;
+        ch = dst->cache_entry.h;
+     }
+   
+   // find y yop line and y bottom line
+   ytop = p[0].y;
+   if ((p[0].col >> 24) < 0xff) havea = 1;
+   if (p[0].col == 0xffffffff) havecol--;
+   for (i = 1; i < 4; i++)
+     {
+        if (p[i].y < ytop) ytop = p[i].y;
+        if ((p[i].col >> 24) < 0xff) havea = 1;
+        if (p[i].col == 0xffffffff) havecol--;
+     }
+
+   ybottom = p[0].y;
+   for (i = 1; i < 4; i++)
+     {
+        if (p[i].y > ybottom) ybottom = p[i].y;
+     }
+   
+   // convert to screen space from fixed point
+   ytop = ytop >> FP;
+   ybottom = ybottom >> FP;
+   
+   // if its outside the clip vertical bounds - don't bother
+   if ((ytop >= (cy + ch)) || (ybottom < cy)) return;
+   
+   // limit to the clip vertical bounds
+   if (ytop < cy) ystart = cy;
+   else ystart = ytop;
+   if (ybottom >= (cy + ch)) yend = (cy + ch) - 1;
+   else yend = ybottom;
+
+   // get some source image information
+   sp = src->image.data;
+   sw = src->cache_entry.w;
+   swp = sw << (FP + FPI);
+   shp = src->cache_entry.h << (FP + FPI);
+
+   // limit u,v coords of points to be within the source image
+   for (i = 0; i < 4; i++)
+     {
+        if (p[i].u < 0) p[i].u = 0;
+        else if (p[i].u > (int)(src->cache_entry.w << FP))
+          p[i].u = src->cache_entry.w << FP;
+        
+        if (p[i].v < 0) p[i].v = 0;
+        else if (p[i].v > (int)(src->cache_entry.h << FP))
+          p[i].v = src->cache_entry.h << FP;
+     }
+   
+   // allocate some spans to hold out span list
+   spans = alloca((yend - ystart + 1) * sizeof(Line));
+   if (!spans) return;
+   memset(spans, 0, (yend - ystart + 1) * sizeof(Line));
+
+   // calculate the spans list
+   _calc_spans(p, spans, ystart, yend, cx, cy, cw, ch);
+   
+   // walk through spans and render
+   
+   // if operation is solid, bypass buf and draw func and draw direct to dst
+   direct = 0;
+   if ((!src->cache_entry.flags.alpha) && (!dst->cache_entry.flags.alpha) &&
+       (!dc->mul.use) && (!havea))
+     {
+        direct = 1;
+     }
+   else
+     {
+        int pa;
+        
+        buf = alloca(cw * sizeof(DATA32));
+        if (!buf) return;
+        pa = src->cache_entry.flags.alpha;
+        if (havea) src->cache_entry.flags.alpha = 1;
+        if (dc->mul.use)
+          func = evas_common_gfx_func_composite_pixel_color_span_get(src, dc->mul.col, dst, cw, dc->render_op);
+        else
+          func = evas_common_gfx_func_composite_pixel_span_get(src, dst, cw, dc->render_op);
+        src->cache_entry.flags.alpha = pa;
+     }
+    
+   if (!havecol)
+     {
+#undef COLMUL     
+#include "evas_map_image_core.c"
+     }
+   else
+     {
+#define COLMUL 1
+#include "evas_map_image_core.c"
+     }
+}
-- 
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