1 files changed, 121 insertions, 0 deletions

diff --git a/libraries/evas/src/lib/engines/common_16/evas_soft16_rectangle.c b/libraries/evas/src/lib/engines/common_16/evas_soft16_rectangle.c
new file mode 100644
index 0000000..bd38fce
--- /dev/null
+++ b/libraries/evas/src/lib/engines/common_16/evas_soft16_rectangle.c
@@ -0,0 +1,121 @@
+#include "evas_common_soft16.h"
+#include "evas_soft16_scanline_fill.c"
+
+static inline int
+_is_empty_rectangle(const Eina_Rectangle *r)
+{
+   return (r->w < 1) || (r->h < 1);
+}
+
+static inline void
+_soft16_rectangle_draw_solid_solid(Soft16_Image *dst, int offset, int w, int h,
+                                   DATA16 rgb565)
+{
+   DATA16 *dst_itr;
+   int i;
+
+   dst_itr = dst->pixels + offset;
+
+   for (i = 0; i < h; i++, dst_itr += dst->stride)
+      _soft16_scanline_fill_solid_solid(dst_itr, w, rgb565);
+}
+
+static inline void
+_soft16_rectangle_draw_transp_solid(Soft16_Image *dst, int offset, int w, int h,
+                                    DATA16 rgb565, DATA8 alpha)
+{
+   DATA16 *dst_itr;
+   DATA32 rgb565_unpack;
+   int i;
+
+   dst_itr = dst->pixels + offset;
+   rgb565_unpack = RGB_565_UNPACK(rgb565);
+   alpha++;
+
+   for (i = 0; i < h; i++, dst_itr += dst->stride)
+     _soft16_scanline_fill_transp_solid(dst_itr, w, rgb565_unpack, alpha);
+}
+
+static void
+_soft16_rectangle_draw_int(Soft16_Image *dst, RGBA_Draw_Context *dc,
+                           Eina_Rectangle dr)
+{
+   int dst_offset;
+
+   if (_is_empty_rectangle(&dr)) return;
+   RECTS_CLIP_TO_RECT(dr.x, dr.y, dr.w, dr.h, 0, 0, dst->cache_entry.w, dst->cache_entry.h);
+   if (_is_empty_rectangle(&dr)) return;
+
+   if (dc->clip.use)
+      RECTS_CLIP_TO_RECT(dr.x, dr.y, dr.w, dr.h, dc->clip.x,
+                         dc->clip.y, dc->clip.w, dc->clip.h);
+   if (_is_empty_rectangle(&dr)) return;
+   if (A_VAL(&dc->col.col) == 0) return;
+
+   dst_offset = dr.x + (dr.y * dst->cache_entry.w);
+
+   if (!dst->cache_entry.flags.alpha)
+      {
+         DATA16 rgb565;
+         DATA8 alpha;
+
+         alpha = A_VAL(&dc->col.col) >> 3;
+         rgb565 = RGB_565_FROM_COMPONENTS(R_VAL(&dc->col.col),
+                                          G_VAL(&dc->col.col),
+                                          B_VAL(&dc->col.col));
+         if (alpha == 31)
+           _soft16_rectangle_draw_solid_solid
+             (dst, dst_offset, dr.w, dr.h, rgb565);
+         else if (alpha > 0)
+           _soft16_rectangle_draw_transp_solid
+             (dst, dst_offset, dr.w, dr.h, rgb565, alpha);
+      }
+   else
+     ERR("Unsupported feature: drawing rectangle to non-opaque destination.");
+}
+
+void
+evas_common_soft16_rectangle_draw(Soft16_Image *dst, RGBA_Draw_Context *dc,
+                      int x, int y, int w, int h)
+{
+   Eina_Rectangle dr;
+   Cutout_Rects *rects;
+   Cutout_Rect  *r;
+   struct RGBA_Draw_Context_clip c_bkp;
+   int i;
+
+   /* handle cutouts here! */
+   EINA_RECTANGLE_SET(&dr, x, y, w, h);
+
+   if (_is_empty_rectangle(&dr)) return;
+   if (!(RECTS_INTERSECT(dr.x, dr.y, dr.w, dr.h, 0, 0, dst->cache_entry.w, dst->cache_entry.h)))
+     return;
+
+   /* no cutouts - cut right to the chase */
+   if (!dc->cutout.rects)
+     {
+        _soft16_rectangle_draw_int(dst, dc, dr);
+        return;
+     }
+
+   c_bkp = dc->clip;
+
+   evas_common_draw_context_clip_clip(dc, 0, 0, dst->cache_entry.w, dst->cache_entry.h);
+   evas_common_draw_context_clip_clip(dc, x, y, w, h);
+   /* our clip is 0 size.. abort */
+   if ((dc->clip.w <= 0) || (dc->clip.h <= 0))
+     {
+        dc->clip = c_bkp;
+        return;
+     }
+   rects = evas_common_draw_context_apply_cutouts(dc);
+   for (i = 0; i < rects->active; ++i)
+     {
+        r = rects->rects + i;
+        evas_common_draw_context_set_clip(dc, r->x, r->y, r->w, r->h);
+        _soft16_rectangle_draw_int(dst, dc, dr);
+     }
+   evas_common_draw_context_apply_clear_cutouts(rects);
+   dc->clip = c_bkp;
+}
+