1 files changed, 100 insertions, 0 deletions

diff --git a/libraries/evas/src/lib/include/evas_common_soft16.h b/libraries/evas/src/lib/include/evas_common_soft16.h
new file mode 100644
index 0000000..446319e
--- /dev/null
+++ b/libraries/evas/src/lib/include/evas_common_soft16.h
@@ -0,0 +1,100 @@
+#ifndef EVAS_COMMON_SOFT16_H
+#define EVAS_COMMON_SOFT16_H
+
+#include "evas_common.h"
+#include "evas_private.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define RGB_565_UNPACKED_MASK 0x07e0f81f
+#define RGB_565_UNPACK(rgb)                                             \
+   (((rgb) | ((rgb) << 16)) & RGB_565_UNPACKED_MASK)
+#define RGB_565_PACK(rgb)                                               \
+  ((((rgb) & RGB_565_UNPACKED_MASK) |                                   \
+   ((rgb) & RGB_565_UNPACKED_MASK) >> 16) & 0xffff)
+#define RGB_565_UNPACKED_BLEND(a, b, alpha)                             \
+   ((b) + (a) - ((((b) * (alpha)) >> 5) & RGB_565_UNPACKED_MASK))
+#define RGB_565_UNPACKED_BLEND_UNMUL(a, b, alpha)                       \
+   ((b) + ((((a) - (b)) * (alpha)) >> 5))
+
+#define RGB_565_FROM_COMPONENTS(r, g, b)                                \
+  (((((r) >> 3) & 0x1f) << 11) |                                        \
+   ((((g) >> 2) & 0x3f) << 5) |                                         \
+   (((b) >> 3) & 0x1f))
+
+static inline unsigned int
+_calc_stride(unsigned int w)
+{
+   unsigned int pad = w % 4;
+   if (!pad)  return w;
+   else return w + 4 - pad;
+}
+
+#define IMG_BYTE_SIZE(stride, height, has_alpha)                       \
+   ((stride) * (height) * (!(has_alpha) ? 2 : 3))
+
+typedef struct _Soft16_Image Soft16_Image;
+struct _Soft16_Image
+{
+   Image_Entry    cache_entry;
+
+   RGBA_Image    *source;
+
+   int            stride;     // pixel stride - likely a multiple of 2
+   DATA16        *pixels;     // 16bpp pixels rgb565
+   DATA8         *alpha;      // 8bit alpha mask - optional. points into pixels
+
+   struct
+   {
+/*      unsigned char  have_alpha  : 1; // 1 if we have halpha */
+     unsigned char  free_pixels : 1; // 1 if pixels should be freed
+     unsigned char  free_alpha  : 1; // 1 if alpha mask should be freed
+   } flags;
+};
+
+/**
+ * Image (evas_soft16_main.c)
+ */
+EAPI void                evas_common_soft16_image_init(void);
+EAPI void                evas_common_soft16_image_shutdown(void);
+EAPI Evas_Cache_Image   *evas_common_soft16_image_cache_get(void);
+
+EAPI void                evas_common_soft16_image_draw(Soft16_Image *src, Soft16_Image *dst, RGBA_Draw_Context *dc, int src_region_x, int src_region_y, int src_region_w, int src_region_h, int dst_region_x, int dst_region_y, int dst_region_w, int dst_region_h, int smooth);
+EAPI Soft16_Image       *evas_common_soft16_image_alpha_set(Soft16_Image *im, int have_alpha);
+
+void                     evas_common_soft16_image_draw_unscaled(Soft16_Image *src, Soft16_Image *dst, RGBA_Draw_Context *dc, const Eina_Rectangle sr, const Eina_Rectangle dr, const Eina_Rectangle cr);
+void                     evas_common_soft16_image_draw_scaled_sampled(Soft16_Image *src, Soft16_Image *dst, RGBA_Draw_Context *dc, const Eina_Rectangle sr, const Eina_Rectangle dr, const Eina_Rectangle cr);
+
+/* convert/dither functions */
+void                     evas_common_soft16_image_convert_from_rgb(Soft16_Image *im, const DATA32 *src);
+void                     evas_common_soft16_image_convert_from_rgba(Soft16_Image *im, const DATA32 *src);
+
+/**
+ * Rectangle (evas_soft16_rectangle.c)
+ */
+EAPI void                evas_common_soft16_rectangle_draw(Soft16_Image *dst, RGBA_Draw_Context *dc, int x, int y, int w, int h);
+
+/**
+ * Polygon (evas_soft16_polygon.c)
+ */
+  EAPI void                evas_common_soft16_polygon_draw(Soft16_Image *dst, RGBA_Draw_Context *dc, RGBA_Polygon_Point *points, int x, int y);
+
+/**
+ * Line (evas_soft16_line.c)
+ */
+EAPI void                evas_common_soft16_line_draw(Soft16_Image *dst, RGBA_Draw_Context *dc, int x0, int y0, int x1, int y1);
+
+/**
+ * Font (evas_soft16_font.c)
+ */
+EAPI void               *evas_common_soft16_font_glyph_new(void *data, RGBA_Font_Glyph *fg);
+EAPI void                evas_common_soft16_font_glyph_free(void *ext_dat);
+EAPI void                evas_common_soft16_font_glyph_draw(void *data, void *dest, void *context, RGBA_Font_Glyph *fg, int x, int y);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif