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VNC: Add support for (1) an 8-bit local frame buffer format and (2) a configurable server name

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This commit is contained in:
Gregory Nutt
2016-04-20 17:47:47 -06:00
parent f8604d11a9
commit 79e577eae1
4 changed files with 128 additions and 36 deletions
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graphics/vnc/server/vnc_server.h
+30 -12
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@@ -79,14 +79,25 @@
# define CONFIG_VNCSERVER_NDISPLAYS 1
#endif
#if defined(CONFIG_VNCSERVER_COLORFMT_RGB16)
#if defined(CONFIG_VNCSERVER_COLORFMT_RGB8)
# define RFB_COLORFMT FB_FMT_RGB8_332
# define RFB_BITSPERPIXEL 8
# define RFB_PIXELDEPTH 8
# define RFB_TRUECOLOR 1
# define RFB_RMAX 0x07
# define RFB_GMAX 0x07
# define RFB_BMAX 0x03
# define RFB_RSHIFT 5
# define RFB_GSHIFT 2
# define RFB_BSHIFT 0
#elif defined(CONFIG_VNCSERVER_COLORFMT_RGB16)
# define RFB_COLORFMT FB_FMT_RGB16_565
# define RFB_BITSPERPIXEL 16
# define RFB_PIXELDEPTH 16
# define RFB_TRUECOLOR 1
# define RFB_RMAX 0x1f
# define RFB_GMAX 0x3f
# define RFB_BMAX 0x1f
# define RFB_RMAX 0x001f
# define RFB_GMAX 0x003f
# define RFB_BMAX 0x001f
# define RFB_RSHIFT 11
# define RFB_GSHIFT 5
# define RFB_BSHIFT 0
@@ -95,9 +106,9 @@
# define RFB_BITSPERPIXEL 32
# define RFB_PIXELDEPTH 24
# define RFB_TRUECOLOR 1
# define RFB_RMAX 0xff
# define RFB_GMAX 0xff
# define RFB_BMAX 0xff
# define RFB_RMAX 0x000000ff
# define RFB_GMAX 0x000000ff
# define RFB_BMAX 0x000000ff
# define RFB_RSHIFT 16
# define RFB_GSHIFT 8
# define RFB_BSHIFT 0
@@ -113,6 +124,10 @@
# define CONFIG_VNCSERVER_SCREENHEIGHT 240
#endif
#ifndef CONFIG_VNCSERVER_NAME
# define CONFIG_VNCSERVER_NAME "NuttX"
#endif
#ifndef CONFIG_VNCSERVER_PRIO
# define CONFIG_VNCSERVER_PRIO 100
#endif
@@ -243,7 +258,9 @@ struct fb_startup_s
/* The size of the color type in the local framebuffer */
#if defined(CONFIG_VNCSERVER_COLORFMT_RGB16)
#if defined(CONFIG_VNCSERVER_COLORFMT_RGB8)
typedef uint8_t lfb_color_t;
#elif defined(CONFIG_VNCSERVER_COLORFMT_RGB16)
typedef uint16_t lfb_color_t;
#elif defined(CONFIG_VNCSERVER_COLORFMT_RGB32)
typedef uint32_t lfb_color_t;
@@ -512,12 +529,13 @@ FAR struct vnc_session_s *vnc_find_session(int display);
* Name: vnc_convert_rgbNN
*
* Description:
* Convert the native framebuffer color format (either RGB16 5:6:5 or RGB32
* 8:8:8) to the remote framebuffer color format (either RGB16 5:6:5,
* RGB16 5:5:5, or RGB32 8:8:)
* Convert the native framebuffer color format (either RGB8 3:3:2,
* RGB16 5:6:5, or RGB32 8:8:8) to the remote framebuffer color format
* (either RGB8 2:2:2, RGB8 3:3:2, RGB16 5:5:5, RGB16 5:6:5, or RGB32
* 8:8:8)
*
* Input Parameters:
* rgb - The RGB src color in local framebuffer color format.
* pixel - The src color in local framebuffer format.
*
* Returned Value:
* The pixel in the remote framebuffer color format.