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_convert_colorspace.c   | 186 +++++++++++++++++++++
 1 file changed, 186 insertions(+)
 create mode 100644 libraries/evas/src/lib/engines/common/evas_convert_colorspace.c

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

diff --git a/libraries/evas/src/lib/engines/common/evas_convert_colorspace.c b/libraries/evas/src/lib/engines/common/evas_convert_colorspace.c
new file mode 100644
index 0000000..013c2e7
--- /dev/null
+++ b/libraries/evas/src/lib/engines/common/evas_convert_colorspace.c
@@ -0,0 +1,186 @@
+#include "evas_common.h"
+#include "evas_convert_colorspace.h"
+
+#define CONVERT_RGB_565_TO_RGB_888(s) \
+	(((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
+	 ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
+	 ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
+
+#define CONVERT_A5P_TO_A8(s) \
+	((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7))
+
+#define CONVERT_ARGB_8888_TO_A_8(s)	((s) >> 24)
+
+
+static inline void *
+evas_common_convert_argb8888_to_rgb565_a5p(void *data __UNUSED__, int w __UNUSED__, int h __UNUSED__, int stride __UNUSED__, Eina_Bool has_alpha __UNUSED__)
+{
+   return NULL;
+}
+
+static inline void *
+evas_common_convert_rgb565_a5p_to_argb8888(void *data, int w, int h, int stride, Eina_Bool has_alpha)
+{
+   DATA16 *src, *end;
+   DATA32 *ret, *dst;
+
+   src = data;
+   end = src + (stride * h);
+   ret = malloc(w * h * sizeof(DATA32));
+
+   dst = ret;
+   if (has_alpha)
+     {
+	DATA8 *alpha;
+
+	alpha = (DATA8 *)end;
+	for (; src < end; src++, alpha++, dst++)
+	  *dst = (CONVERT_A5P_TO_A8(*alpha) << 24) |
+		  CONVERT_RGB_565_TO_RGB_888(*src);
+     }
+   else
+     {
+	for (; src < end; src++, dst++)
+	  *dst = CONVERT_RGB_565_TO_RGB_888(*src);
+     }
+   return ret;
+}
+
+static inline void *
+evas_common_convert_argb8888_to_a8(void *data, int w, int h, int stride, Eina_Bool has_alpha)
+{
+   uint32_t *src, *end;
+   uint8_t *ret, *dst;
+
+   src = data;
+   end = src + (stride * h);
+   ret = malloc(w * h);
+   if (!ret) return NULL;
+
+   if (!has_alpha)
+     {
+        return memset(ret, 0xff, w * h);
+     }
+
+   dst = ret;
+   for ( ; src < end ; src++, dst++)
+      *dst = CONVERT_ARGB_8888_TO_A_8(*src);
+   return ret;
+}
+
+
+
+EAPI void *
+evas_common_convert_argb8888_to(void *data, int w, int h, int stride, Eina_Bool has_alpha, Evas_Colorspace cspace)
+{
+   switch (cspace)
+     {
+	case EVAS_COLORSPACE_RGB565_A5P:
+	  return evas_common_convert_argb8888_to_rgb565_a5p(data, w, h, stride, has_alpha);
+	default:
+	  break;
+     }
+   return NULL;
+}
+
+EAPI void *
+evas_common_convert_rgb565_a5p_to(void *data, int w, int h, int stride, Eina_Bool has_alpha, Evas_Colorspace cspace)
+{
+   switch (cspace)
+     {
+	case EVAS_COLORSPACE_ARGB8888:
+	  return evas_common_convert_rgb565_a5p_to_argb8888(data, w, h, stride, has_alpha);
+	default:
+	  break;
+     }
+   return NULL;
+}
+
+EAPI void *
+evas_common_convert_yuv_422_601_to(void *data, int w, int h, Evas_Colorspace cspace)
+{
+   switch (cspace)
+     {
+      case EVAS_COLORSPACE_ARGB8888:
+        {
+           void *dst;
+
+           fprintf(stderr, "to argb888\n");
+
+           dst = malloc(sizeof (unsigned int) * w * h);
+           if (!dst) return NULL;
+
+           evas_common_convert_yuv_422_601_rgba(data, dst, w, h);
+           return dst;
+        }
+      default:
+         break;
+     }
+   return NULL;
+}
+
+EAPI void *
+evas_common_convert_yuv_422P_601_to(void *data, int w, int h, Evas_Colorspace cspace)
+{
+   switch (cspace)
+     {
+      case EVAS_COLORSPACE_ARGB8888:
+        {
+           void *dst;
+
+           dst = malloc(sizeof (unsigned int) * w * h);
+           if (!dst) return NULL;
+
+           evas_common_convert_yuv_420p_601_rgba(data, dst, w, h);
+           break;
+        }
+      default:
+         break;
+     }
+   return NULL;
+}
+
+EAPI void *
+evas_common_convert_yuv_420_601_to(void *data, int w, int h, Evas_Colorspace cspace)
+{
+   switch (cspace)
+     {
+      case EVAS_COLORSPACE_ARGB8888:
+        {
+           void *dst;
+
+           dst = malloc(sizeof (unsigned int) * w * h);
+           if (!dst) return NULL;
+
+           evas_common_convert_yuv_420_601_rgba(data, dst, w, h);
+           break;
+        }
+      default:
+         break;
+     }
+   return NULL;
+}
+
+EAPI void *
+evas_common_convert_yuv_420T_601_to(void *data, int w, int h, Evas_Colorspace cspace)
+{
+   switch (cspace)
+     {
+      case EVAS_COLORSPACE_ARGB8888:
+        {
+           void *dst;
+
+           dst = malloc(sizeof (unsigned int) * w * h);
+           if (!dst) return NULL;
+
+           evas_common_convert_yuv_420_601_rgba(data, dst, w, h);
+           break;
+        }
+      default:
+         break;
+     }
+   return NULL;
+}
+
+
+/* vim:set ts=8 sw=3 sts=3 expandtab cino=>5n-2f0^-2{2(0W1st0 :*/
-- 
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