1 files changed, 184 insertions, 0 deletions

diff --git a/libraries/evas/src/lib/include/evas_common_soft8.h b/libraries/evas/src/lib/include/evas_common_soft8.h
new file mode 100644
index 0000000..d701842
--- /dev/null
+++ b/libraries/evas/src/lib/include/evas_common_soft8.h
@@ -0,0 +1,184 @@
+#ifndef EVAS_COMMON_SOFT8_H
+#define EVAS_COMMON_SOFT8_H
+
+#include "evas_common.h"
+#include "evas_private.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GRY_8_BLEND(a, b, alpha)        \
+   ((b) + (a) - ((((b) * ((alpha) + 1)) >> 8) & 0xff))
+
+#define GRY_8_BLEND_UNMUL(a, b, alpha)  \
+   ((b) + ((((a) - (b)) * ((alpha) + 1)) >> 8))
+
+#if 0
+#define GRY_8_FROM_COMPONENTS(r, g, b)  \
+     (((307 * (r)) +    \
+       (604 * (g)) +    \
+       (113 * (b))) >> 10)
+
+#define GRY_8_FROM_RGB(rgb)     \
+     GRY_8_FROM_COMPONENTS(R_VAL(rgb), G_VAL(rgb), B_VAL(rgb))
+#endif
+
+//Y = R * 0.2126 + G * 0.7152 + B * 0.0722
+
+#define GRY_8_FROM_COMPONENTS(r, g, b)  \
+     (((218 * (r)) +    \
+       (732 * (g)) +    \
+       (74  * (b))) >> 10)
+
+#define GRY_8_FROM_RGB(rgb)     \
+     GRY_8_FROM_COMPONENTS(R_VAL(rgb), G_VAL(rgb), B_VAL(rgb))
+
+#define UNROLL2(op...) op op
+#define UNROLL4(op...) UNROLL2(op) UNROLL2(op)
+#define UNROLL8(op...) UNROLL4(op) UNROLL4(op)
+#define UNROLL16(op...) UNROLL8(op) UNROLL8(op)
+
+#if defined(__ARM_ARCH_3M__)
+# define __ARM_ARCH__ 40
+#endif
+#if defined(__ARM_ARCH_4__)
+# define __ARM_ARCH__ 40
+#endif
+#if defined(__ARM_ARCH_4T__)
+# define __ARM_ARCH__ 41
+#endif
+
+#if defined(__ARM_ARCH_5__)
+# define __ARM_ARCH__ 50
+#endif
+#if defined(__ARM_ARCH_5T__)
+# define __ARM_ARCH__ 51
+#endif
+#if defined(__ARM_ARCH_5E__)
+# define __ARM_ARCH__ 52
+#endif
+#if defined(__ARM_ARCH_5TE__)
+# define __ARM_ARCH__ 53
+#endif
+#if defined(__ARM_ARCH_5TEJ__)
+# define __ARM_ARCH__ 54
+#endif
+
+#if defined(__ARM_ARCH_6__)
+# define __ARM_ARCH__ 60
+#endif
+#if defined(__ARM_ARCH_6J__)
+# define __ARM_ARCH__ 61
+#endif
+#if defined(__ARM_ARCH_6K__)
+# define __ARM_ARCH__ 62
+#endif
+#if defined(__ARM_ARCH_6Z__)
+# define __ARM_ARCH__ 63
+#endif
+#if defined(__ARM_ARCH_6ZK__)
+# define __ARM_ARCH__ 64
+#endif
+#if defined(__ARM_ARCH_6T2__)
+# define __ARM_ARCH__ 65
+#endif
+
+#if defined(__ARM_ARCH_7__)
+# define __ARM_ARCH__ 70
+#endif
+#if defined(__ARM_ARCH_7A__)
+# define __ARM_ARCH__ 71
+#endif
+#if defined(__ARM_ARCH_7R__)
+# define __ARM_ARCH__ 72
+#endif
+#if defined(__ARM_ARCH_7M__)
+# define __ARM_ARCH__ 73
+#endif
+
+#if defined(__ARM_ARCH__) && (__ARM_ARCH__ >= 52)
+/* tested on ARMv6 (arm1136j-s), Nokia N800 CPU */
+#define pld(addr, off)                                                  \
+   __asm__("pld [%[address], %[offset]]"::                              \
+           [address] "r" (addr), [offset] "i" (off))
+#else
+#define pld(addr, off)
+#endif /* __ARMEL__ */
+
+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) ? 1 : 2))
+
+typedef struct _Soft8_Image Soft8_Image;
+struct _Soft8_Image
+{
+   Image_Entry    cache_entry;
+
+   RGBA_Image    *source;
+
+   int            stride;     // pixel stride
+   DATA8        *pixels;      // 8bpp pixels gry8
+   DATA8         *alpha;      // 8bit alpha mask - optional. points into pixels
+
+   void                *extended_info;
+
+   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_soft8_main.c)
+ */
+EAPI void                evas_common_soft8_image_init(void);
+EAPI void                evas_common_soft8_image_shutdown(void);
+EAPI Evas_Cache_Image   *evas_common_soft8_image_cache_get(void);
+
+EAPI void                evas_common_soft8_image_draw(Soft8_Image *src, Soft8_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 Soft8_Image       *evas_common_soft8_image_alpha_set(Soft8_Image *im, int have_alpha);
+
+void                     evas_common_soft8_image_draw_unscaled(Soft8_Image *src, Soft8_Image *dst, RGBA_Draw_Context *dc, const Eina_Rectangle sr, const Eina_Rectangle dr, const Eina_Rectangle cr);
+void                     evas_common_soft8_image_draw_scaled_sampled(Soft8_Image *src, Soft8_Image *dst, RGBA_Draw_Context *dc, const Eina_Rectangle sr, const Eina_Rectangle dr, const Eina_Rectangle cr);
+
+/* convert/dither functions */
+void                     evas_common_soft8_image_convert_from_rgb(Soft8_Image *im, const DATA32 *src);
+void                     evas_common_soft8_image_convert_from_rgba(Soft8_Image *im, const DATA32 *src);
+
+/**
+ * Rectangle (evas_soft8_rectangle.c)
+ */
+EAPI void                evas_common_soft8_rectangle_draw(Soft8_Image *dst, RGBA_Draw_Context *dc, int x, int y, int w, int h);
+
+/**
+ * Polygon (evas_soft8_polygon.c)
+ */
+EAPI void                evas_common_soft8_polygon_draw(Soft8_Image *dst, RGBA_Draw_Context *dc, RGBA_Polygon_Point *points, int x, int y);
+
+/**
+ * Line (evas_soft8_line.c)
+ */
+EAPI void                evas_common_soft8_line_draw(Soft8_Image *dst, RGBA_Draw_Context *dc, int x0, int y0, int x1, int y1);
+
+/**
+ * Font (evas_soft8_font.c)
+ */
+EAPI void               *evas_common_soft8_font_glyph_new(void *data, RGBA_Font_Glyph *fg);
+EAPI void                evas_common_soft8_font_glyph_free(void *ext_dat);
+EAPI void                evas_common_soft8_font_glyph_draw(void *data, void *dest, void *context, RGBA_Font_Glyph *fg, int x, int y);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif