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nuttx-apps/examples/fboverlay/fboverlay_main.c

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/****************************************************************************
* examples/fboverlay/fboverlay_main.c
*
* Copyright (C) 2018 Gregory Nutt. All rights reserved.
* Author: Marco Krahl <ocram.lhark@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <errno.h>
#include <nuttx/video/fb.h>
#include <nuttx/config.h>
/****************************************************************************
* Preprocessor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: rgb8888
*
* Description:
* Color conversion from argb8888 to rgb color channel
*
* Parameters:
* argb - argb8888 color
* a - Reference ot 8-bit alpha channel
* r - Reference ot 8-bit red channel
* g - Reference ot 8-bit green channel
* b - Reference ot 8-bit blue channel
*
****************************************************************************/
#ifdef CONFIG_FB_CMAP
static void rgb8888(uint32_t argb, uint8_t * a, uint8_t * r, uint8_t * g,
uint8_t * b)
{
*a = (uint8_t)(argb >> 24);
*r = (uint8_t)(argb >> 16);
*g = (uint8_t)(argb >> 8);
*b = (uint8_t)argb;
}
#endif
/****************************************************************************
* Name: rgb565
*
* Description:
* Color conversion from argb8888 to rgb565
*
* Parameters:
* argb - argb8888 color
*
****************************************************************************/
#ifdef CONFIG_FB_FMT_RGB16_565
static uint16_t rgb565(uint32_t argb)
{
uint16_t r = (argb >> 8) & 0xf800;
uint16_t g = (argb >> 5) & 0x7e0;
uint16_t b = (argb >> 3) & 0x1f;
return (r | g | b);
}
#endif
/****************************************************************************
* Name: draw_rect8
*
* Description:
* Draw a rectangle for 8 bit color mode
*
* Parameters:
* fbmem - Points to framebuffer start address
* oinfo - Refence to overlay information
* area - Area draw
* color - cmap color entry
*
****************************************************************************/
#ifdef CONFIG_FB_CMAP
static void draw_rect8(FAR void *fbmem, FAR struct fb_overlayinfo_s * oinfo,
FAR const struct fb_area_s * area, uint8_t color)
{
FAR uint8_t *dest;
FAR uint8_t *row;
int x;
int y;
printf("Fill area (%d,%d,%d,%d) with color: %08x\n" , area->x, area->y,
area->w, area->h, color);
row = (FAR uint8_t *)fbmem + oinfo->stride * area->y;
for (y = 0; y < area->h; y++)
{
dest = row + area->x;
for (x = 0; x < area->w; x++)
{
*dest++ = color;
}
row += oinfo->stride;
}
}
#endif
/****************************************************************************
* Name: draw_rect16
*
* Description:
* Draw a rectangle for 16 bit color mode
*
* Parameters:
* fbmem - Points to framebuffer start address
* oinfo - Refence to overlay information
* area - Area draw
* rgb - rgb565 color
*
****************************************************************************/
static void draw_rect16(FAR void *fbmem, FAR struct fb_overlayinfo_s * oinfo,
FAR const struct fb_area_s * area, uint16_t rgb)
{
FAR uint16_t *dest;
FAR uint8_t *row;
int x;
int y;
printf("Fill area (%d,%d,%d,%d) with color: %04x\n", area->x, area->y,
area->w, area->h, rgb);
row = (FAR uint8_t *)fbmem + oinfo->stride * area->y;
for (y = 0; y < area->h; y++)
{
dest = ((FAR uint16_t *)row) + area->x;
for (x = 0; x < area->w; x++)
{
*dest++ = rgb;
}
row += oinfo->stride;
}
}
/****************************************************************************
* Name: draw_rect24
*
* Description:
* Draw a rectangle for 24 bit color mode
*
* Parameters:
* fbmem - Points to framebuffer start address
* oinfo - Refence to overlay information
* area - Area draw
* rgb - rgb888 color
*
****************************************************************************/
static void draw_rect24(FAR void *fbmem, FAR struct fb_overlayinfo_s * oinfo,
FAR const struct fb_area_s * area, uint32_t rgb)
{
int x;
int y;
uint8_t r;
uint8_t g;
uint8_t b;
FAR uint8_t *dest;
FAR uint8_t *row;
r = rgb;
g = (rgb >> 8);
b = (rgb >> 16);
printf("Fill area (%d,%d,%d,%d) with color: %08x -> (r,g,b) = "
"(%02x,%02x,%02x)\n", area->x, area->y, area->w, area->h,
rgb, b, g, r);
row = (FAR uint8_t *)fbmem + oinfo->stride * area->y;
for (y = 0; y < area->h; y++)
{
dest = row + area->x * 3;
for (x = 0; x < area->w; x++)
{
*dest++ = r;
*dest++ = g;
*dest++ = b;
}
row += oinfo->stride;
}
}
/****************************************************************************
* Name: draw_rect32
*
* Description:
* Draw a rectangle for 32 bit color mode
*
* Parameters:
* fbmem - Points to framebuffer start address
* oinfo - Refence to overlay information
* area - Area draw
* argb - argb8888 color
*
****************************************************************************/
static void draw_rect32(FAR void *fbmem, FAR struct fb_overlayinfo_s * oinfo,
FAR const struct fb_area_s * area, uint32_t argb)
{
int x;
int y;
FAR uint32_t *dest;
FAR uint8_t *row;
printf("Fill area (%d,%d,%d,%d) with color: %08x -> (a,r,g,b) = "
"(%02x,%02x,%02x,%02x)\n", area->x, area->y, area->w, area->h,
argb, argb >> 24, argb >> 16, argb >> 8, argb);
row = (FAR uint8_t *)fbmem + oinfo->stride * area->y;
for (y = 0; y < area->h; y++)
{
dest = ((FAR uint32_t *)row) + area->x;
for (x = 0; x < area->w; x++)
{
*dest++ = argb;
}
row += oinfo->stride;
}
}
/****************************************************************************
* Name: video_cmap
*
* Description:
* Sets cmap
*
* Parameters:
* fb - Open framebuffer filehandle
* cmap - Readonly reference to color map
*
****************************************************************************/
#ifdef CONFIG_FB_CMAP
static int video_putcmap(int fb, FAR const struct fb_cmap_s *cmap)
{
int n;
int ret;
printf("Set cmap\n");
for (n = cmap->first; n < cmap->len; n++)
{
printf(" Color %d: (a,r,g,b) = (%02x,%02x,%02x,%02x)\n", n,
# ifdef CONFIG_CMAP_TRANSPARENCY
cmap->transp[n],
# else
(uint8_t)0xff,
# endif
cmap->red[n],
cmap->green[n],
cmap->blue[n]);
}
ret = ioctl(fb, FBIOPUT_CMAP, (unsigned long)(uintptr_t)cmap);
if (ret != OK)
{
fprintf(stderr, "Unable to set camp\n");
}
return ret;
}
/****************************************************************************
* Name: video_getcmap
*
* Description:
* Sets cmap
*
* Parameters:
* fb - Open framebuffer filehandle
* cmap - Reference to color map
*
****************************************************************************/
static int video_getcmap(int fb, FAR struct fb_cmap_s *cmap)
{
int n;
int ret;
ret = ioctl(fb, FBIOGET_CMAP, (unsigned long)(uintptr_t)cmap);
if (ret != OK)
{
fprintf(stderr, "Unable to set camp\n");
}
printf("Get cmap\n");
for (n = cmap->first; n < cmap->len; n++)
{
printf(" Color %d: (a,r,g,b) = (%02x,%02x,%02x,%02x)\n", n,
# ifdef CONFIG_CMAP_TRANSPARENCY
cmap->transp[n],
# else
(uint8_t)0xff,
# endif
cmap->red[n],
cmap->green[n],
cmap->blue[n]);
}
return ret;
}
#endif /* CONFIG_FB_CMAP */
/****************************************************************************
* Name: print_video_info
*
* Description:
* Prints video information
*
* Parameters:
* fb - Open framebuffer filehandle
*
****************************************************************************/
static void print_video_info(int fb)
{
int ret;
struct fb_videoinfo_s vinfo;
ret = ioctl(fb, FBIOGET_VIDEOINFO, (unsigned long)(uintptr_t)&vinfo);
if (ret != OK)
{
fprintf(stderr, "Unable to get video information\n");
return;
}
printf("VideoInfo:\n"
" fmt: %u\n"
" xres: %u\n"
" yres: %u\n"
" nplanes: %u\n"
"noverlays: %u\n",
vinfo.fmt, vinfo.xres, vinfo.yres, vinfo.nplanes, vinfo.noverlays);
}
/****************************************************************************
* Name: print_plane_info
*
* Description:
* Prints plane information
*
* Parameters:
* fb - Open framebuffer filehandle
*
****************************************************************************/
static void print_plane_info(int fb)
{
int ret;
FAR void *fbmem;
struct fb_planeinfo_s pinfo;
ret = ioctl(fb, FBIOGET_PLANEINFO, (unsigned long)(uintptr_t)&pinfo);
if (ret != OK)
{
fprintf(stderr, "Unable to get plane information\n");
return;
}
fbmem = mmap(NULL, pinfo.fblen, PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_FILE, fb, 0);
if (fbmem == MAP_FAILED)
{
fprintf(stderr, "ERROR: ioctl(FBIO_MMAP) failed: %d\n", errno);
return;
}
printf("PlaneInfo:\n"
" fbmem: %p\n"
" fblen: %lu\n"
" stride: %u\n"
" display: %u\n"
" bpp: %u\n",
pinfo.fbmem, (unsigned long)pinfo.fblen, pinfo.stride, pinfo.display,
pinfo.bpp, fbmem);
}
/****************************************************************************
* Name: print_overlay_info
*
* Description:
* Prints overlay information
*
* Parameters:
* fb - Open framebuffer filehandle
* overlayno - Overlay number
*
****************************************************************************/
static void print_overlay_info(int fb, uint8_t overlayno)
{
int ret;
FAR void *fbmem;
struct fb_overlayinfo_s oinfo;
/* Select overlay to compare fbmem from overlayinfo and the one by mmap */
ret = ioctl(fb, FBIO_SELECT_OVERLAY, overlayno);
if (ret != OK)
{
fprintf(stderr, "Unable to select overlay: %d\n", overlayno);
return;
}
oinfo.overlay = overlayno;
ret = ioctl(fb, FBIOGET_OVERLAYINFO, (unsigned long)(uintptr_t)&oinfo);
if (ret != OK)
{
fprintf(stderr, "Unable to get overlay information\n");
return;
}
fbmem = mmap(NULL, oinfo.fblen, PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_FILE, fb, 0);
if (fbmem == MAP_FAILED)
{
fprintf(stderr, "ERROR: ioctl(FBIO_MMAP) failed: %d\n", errno);
return;
}
printf("OverlayInfo:\n"
" fbmem: %p\n"
" fblen: %lu\n"
" stride: %u\n"
" overlay: %u\n"
" bpp: %u\n"
" blank: %08x\n"
"chromakey: %08x\n"
" color: %08x\n"
" transp: %02x\n"
" mode: %08x\n"
" accl: %08x\n"
" mmap: %p\n",
oinfo.fbmem, (unsigned long)oinfo.fblen, oinfo.stride, oinfo.overlay,
oinfo.bpp, oinfo.blank, oinfo.chromakey, oinfo.color,
oinfo.transp.transp, oinfo.transp.transp_mode, oinfo.accl, fbmem);
}
/****************************************************************************
* Name: overlay_fill
*
* Description:
* Fill the overlay area with a user defined color
*
* Parameters:
* fb - Open framebuffer filehandle
* overlayno - Overlay number
* color - color
*
****************************************************************************/
static int overlay_fill(int fb, uint8_t overlayno, uint32_t color,
FAR const struct fb_area_s * area)
{
int ret;
FAR void *fbmem;
struct fb_videoinfo_s vinfo;
struct fb_overlayinfo_s oinfo;
ret = ioctl(fb, FBIOGET_VIDEOINFO, (unsigned long)((uintptr_t)&vinfo));
if (ret < 0)
{
fprintf(stderr, "Unable to get video info\n");
return -1;
}
oinfo.overlay = overlayno;
ret = ioctl(fb, FBIOGET_OVERLAYINFO, (unsigned long)((uintptr_t)&oinfo));
if (ret < 0)
{
fprintf(stderr, "Unable to get overlay info\n");
return -1;
}
ret = ioctl(fb, FBIO_SELECT_OVERLAY, overlayno);
if (ret != OK)
{
fprintf(stderr, "Unable to select overlay: %d\n", overlayno);
return -1;
}
fbmem = mmap(NULL, oinfo.fblen, PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_FILE, fb, 0);
if (fbmem == MAP_FAILED)
{
fprintf(stderr, "ERROR: ioctl(FBIO_MMAP) failed\n");
ret = -1;
}
else
{
uint32_t offset = (area->y + area->h - 1) * oinfo.stride +
(area->x + area->w) * oinfo.bpp / 8;
if (offset > oinfo.fblen)
{
fprintf(stderr, "Area is out of range: %d >= %d\n", offset, oinfo.fblen);
return -1;
}
#ifdef CONFIG_FB_SYNC
ret = ioctl(fb, FBIO_WAITFORVSYNC, 0);
if (ret != OK)
{
fprintf(stderr, "Unable to sync upon vertical line\n");
}
#endif
#ifdef CONFIG_FB_CMAP
if (vinfo.fmt == FB_FMT_RGB8)
{
draw_rect8(fbmem, &oinfo, area, color);
}
#endif
else if (vinfo.fmt == FB_FMT_RGB16_565)
{
draw_rect16(fbmem, &oinfo, area, color);
}
else if (vinfo.fmt == FB_FMT_RGB24)
{
draw_rect24(fbmem, &oinfo, area, color);
}
else if (vinfo.fmt == FB_FMT_RGB32)
{
draw_rect32(fbmem, &oinfo, area, color);
}
}
return ret;
}
/****************************************************************************
* Name: overlay_accl
*
* Description:
* Determines overlay acceleration support
*
* Parameters:
* fb - Open framebuffer filehandle
* overlayno - Overlay number
* accl - Acceleration to detect
*
* Return:
* OK - Success
* ERROR - Failed
****************************************************************************/
static int overlay_accl(int fb, uint8_t overlayno, uint32_t accl)
{
int ret;
struct fb_overlayinfo_s oinfo;
oinfo.overlay = overlayno;
ret = ioctl(fb, FBIOGET_OVERLAYINFO, (unsigned long)((uintptr_t)&oinfo));
if (ret != OK)
{
fprintf(stderr, "Unable to get overlay information\n");
return -1;
}
printf("%s: %08x %08x\n", __func__, oinfo.accl, accl);
return (oinfo.accl & accl) ? OK : -1;
}
/****************************************************************************
* Name: overlay_color
*
* Description:
* Set overlay color
*
* Parameters:
* fb - Open framebuffer filehandle
* oinfo - Overlay information
*
****************************************************************************/
static int overlay_color(int fb, FAR struct fb_overlayinfo_s *oinfo)
{
int ret;
printf("Overlay: %d, set color: 0x%08x\n", oinfo->overlay, oinfo->color);
ret = overlay_accl(fb, oinfo->overlay, FB_ACCL_COLOR);
if (ret != OK)
{
fprintf(stderr, "No hardware acceleration to set a color within the "
"selected overlay area\n");
}
else
{
#ifdef CONFIG_FB_SYNC
ret = ioctl(fb, FBIO_WAITFORVSYNC, 0);
if (ret != OK)
{
fprintf(stderr, "Unable to sync upon vertical line\n");
}
#endif
ret = ioctl(fb, FBIOSET_COLOR, (unsigned long)(uintptr_t)oinfo);
if (ret != OK)
{
fprintf(stderr, "Unable to set overlay color\n");
}
}
return ret;
}
/****************************************************************************
* Name: overlay_chromakey
*
* Description:
* Set overlay chromakey
*
* Parameters:
* fb - Open framebuffer filehandle
* oinfo - Overlay information
*
****************************************************************************/
static int overlay_chromakey(int fb, FAR struct fb_overlayinfo_s *oinfo)
{
int ret;
printf("Overlay: %d, set chromakey: 0x%08x\n", oinfo->overlay,
oinfo->chromakey);
ret = overlay_accl(fb, oinfo->overlay, FB_ACCL_CHROMA);
if (ret != OK)
{
fprintf(stderr, "No hardware acceleration to set the chromakey within "
"the selected overlay area\n");
}
else
{
#ifdef CONFIG_FB_SYNC
ret = ioctl(fb, FBIO_WAITFORVSYNC, 0);
if (ret != OK)
{
fprintf(stderr, "Unable to sync upon vertical line\n");
}
#endif
ret = ioctl(fb, FBIOSET_CHROMAKEY, (unsigned long)(uintptr_t)oinfo);
if (ret != OK)
{
fprintf(stderr, "Unable to set overlay chroma key\n");
}
}
return ret;
}
/****************************************************************************
* Name: overlay_transp
*
* Description:
* Set overlay transparency
*
* Parameters:
* fb - Open framebuffer filehandle
* oinfo - Overlay information
*
****************************************************************************/
static int overlay_transp(int fb, FAR struct fb_overlayinfo_s *oinfo)
{
int ret;
printf("Overlay: %d, set transp: %d, transp_mode: %08x\n", oinfo->overlay,
oinfo->transp.transp, oinfo->transp.transp_mode);
ret = overlay_accl(fb, oinfo->overlay, FB_ACCL_TRANSP);
if (ret != OK)
{
fprintf(stderr, "No hardware acceleration to set the transparency within "
"the selected overlay area\n");
}
else
{
#ifdef CONFIG_FB_SYNC
ret = ioctl(fb, FBIO_WAITFORVSYNC, 0);
if (ret != OK)
{
fprintf(stderr, "Unable to sync upon vertical line\n");
}
#endif
ret = ioctl(fb, FBIOSET_TRANSP, (unsigned long)(uintptr_t)oinfo);
if (ret != OK)
{
fprintf(stderr, "Unable to set transparency\n");
}
}
return ret;
}
/****************************************************************************
* Name: overlay_blank
*
* Description:
* Enable or disable overlay
*
* Parameters:
* fb - Open framebuffer filehandle
* oinfo - Overlay information
*
****************************************************************************/
static int overlay_blank(int fb, FAR struct fb_overlayinfo_s *oinfo)
{
int ret;
printf("Overlay: %d, set blank: %08x\n", oinfo->overlay, oinfo->blank);
ret = ioctl(fb, FBIOSET_BLANK, (unsigned long)(uintptr_t)oinfo);
if (ret != OK)
{
fprintf(stderr, "Unable to blank overlay\n");
}
return ret;
}
/****************************************************************************
* Name: overlay_area
*
* Description:
* Select overlay area
*
* Parameters:
* fb - Open framebuffer filehandle
* oinfo - Overlay information
*
****************************************************************************/
static int overlay_area(int fb, FAR struct fb_overlayinfo_s *oinfo)
{
int ret;
printf("Overlay: %d, set xpos: %d, ypos: %d, xres: %d, yres: %d\n",
oinfo->overlay, oinfo->sarea.x, oinfo->sarea.y, oinfo->sarea.w,
oinfo->sarea.h);
ret = overlay_accl(fb, oinfo->overlay, FB_ACCL_AREA);
if (ret != OK)
{
fprintf(stderr, "No hardware acceleration to select area within "
"the selected overlay area\n");
}
else
{
ret = ioctl(fb, FBIOSET_AREA, (unsigned long)(uintptr_t)oinfo);
if (ret != OK)
{
fprintf(stderr, "Unable to select area\n");
}
}
return ret;
}
/****************************************************************************
* Name: overlay_blit
*
* Description:
* Blit content from source to destination overlay
*
* Parameters:
* fb - Open framebuffer filehandle
* blit - Blit control information
*
****************************************************************************/
#ifdef CONFIG_FB_OVERLAY_BLIT
static int overlay_blit(int fb, FAR struct fb_overlayblit_s *blit)
{
int ret;
ret = overlay_accl(fb, blit->src.overlay, FB_ACCL_BLIT);
if (ret == OK)
{
ret = overlay_accl(fb, blit->dest.overlay, FB_ACCL_BLIT);
}
if (ret != OK)
{
fprintf(stderr, "Hardware blit not supported\n");
}
else
{
# ifdef CONFIG_FB_SYNC
ret = ioctl(fb, FBIO_WAITFORVSYNC, 0);
if (ret != OK)
{
fprintf(stderr, "Unable to sync upon vertical line\n");
}
# endif
ret = ioctl(fb, FBIOSET_BLIT, (unsigned long)(uintptr_t)blit);
if (ret != OK)
{
fprintf(stderr, "Unable to blit overlay content\n");
}
}
return ret;
}
/****************************************************************************
* Name: overlay_blend
*
* Description:
* Blend content from foreground and background overlay to a destination
* overlay
*
* Parameters:
* fb - Open framebuffer filehandle
* blend - Blend operation information
*
****************************************************************************/
static int overlay_blend(int fb, FAR struct fb_overlayblend_s *blend)
{
int ret;
ret = overlay_accl(fb, blend->foreground.overlay, FB_ACCL_BLEND);
if (ret == OK)
{
ret = overlay_accl(fb, blend->background.overlay, FB_ACCL_BLEND);
}
if (ret == OK)
{
ret = overlay_accl(fb, blend->dest.overlay, FB_ACCL_BLEND);
}
if (ret != OK)
{
fprintf(stderr, "Hardware blending not supported\n");
}
else
{
# ifdef CONFIG_FB_SYNC
ret = ioctl(fb, FBIO_WAITFORVSYNC, 0);
if (ret != OK)
{
fprintf(stderr, "Unable to sync upon vertical line\n");
}
# endif
ret = ioctl(fb, FBIOSET_BLEND, (unsigned long)(uintptr_t)blend);
if (ret != OK)
{
fprintf(stderr, "Unable to blend overlay content\n");
}
}
return ret;
}
#endif /* CONFIG_FB_OVERLAY_BLIT */
/****************************************************************************
* Name: fbopen
*
* Description:
* Open framebuffer device
*
* Parameters:
* device - Path to framebuffer device
*
* Return:
* Open filehandle to framebuffer device or ERROR when failed
****************************************************************************/
static int fbopen(const char * device)
{
int fb = open(device, O_RDWR);
if (fb < 0)
{
fprintf(stderr, "Unable to open framebuffer device: %s\n", device);
return EXIT_FAILURE;
}
return fb;
}
/****************************************************************************
* Name: usage
*
* Description:
* Commandline info
*
* Parameters:
* progname - Name of the programm
*
****************************************************************************/
static void usage(const char * progname)
{
fprintf(stderr,
"usage: %s <option> -d <fbdev>\n"
"\n"
" -vinfo\n"
" -pinfo\n"
" -oinfo overlayno\n"
" -fill overlayno <color> <xpos> <ypos> <xres> <yres>\n"
" color: pixel format color\n"
" xpos: x-offset\n"
" ypos: y-offset\n"
" xres: x-resolution or area width\n"
" yres: y-resolution or area height\n"
#ifdef CONFIG_FB_CMAP
" -cmap <color1> <color2> <color3> <color4> <color5>\n"
" colors: 0xAARRGGBB\n"
" one color must be set at least\n"
#endif
" -color overlayno <value>\n"
" value: pixel format color\n"
" -chroma overlayno <value>\n"
" value: pixel format color\n"
" -transp overlayno <value> <mode>\n"
" value: 0-255\n"
" mode : %d = const alpha, %d = pixel alpha\n"
" -blank : <value>\n"
" 0 : On\n"
" 1 : Off\n"
" -area overlayno <xpos> <ypos> <xres> <yres>\n"
#ifdef CONFIG_FB_OVERLAY_BLIT
" -blit doverlayno <destxpos> <destypos> <destxres> <destyres>\n"
" soverlayno <srcxpos> <srcypos> <srcxres> <srcyres>\n"
" -blend doverlayno <dxpos> <dypos> <dxres> <dyres>\n"
" foverlayno <fxpos> <fypos> <fxres> <fyres>\n"
" boverlayno <bxpos> <bypos> <bxres> <byres>\n"
#endif
"\n"
" -d <fbdev> optional, default: \"/dev/fb0\"\n",
progname, FB_CONST_ALPHA, FB_PIXEL_ALPHA);
}
/****************************************************************************
* Name: fboverlay_main
*
* Description:
* Main entry point for the fboverlay test application.
*
****************************************************************************/
int main(int argc, FAR char *argv[])
{
char *fbdevice;
int fb = -1;
if (argc < 2)
{
usage(argv[0]);
return EXIT_FAILURE;
}
if (argc >= 2 && !strcmp(argv[argc - 2], "-d"))
{
fbdevice = argv[argc - 1];
}
else
{
fbdevice = "/dev/fb0";
}
if (!strcmp(argv[1], "-vinfo"))
{
fb = fbopen(fbdevice);
if (fb >= 0)
{
print_video_info(fb);
}
}
else if (!strcmp(argv[1], "-pinfo"))
{
fb = fbopen(fbdevice);
if (fb >= 0)
{
print_plane_info(fb);
}
}
else if (!strcmp(argv[1], "-oinfo") && argc >= 3)
{
int overlayno = atoi(argv[2]);
fb = fbopen(fbdevice);
if (fb >= 0)
{
print_overlay_info(fb, overlayno);
}
}
else if (!strcmp(argv[1], "-fill") && argc >= 8)
{
struct fb_area_s area;
int overlayno = atoi(argv[2]);
uint32_t argb = strtoul(argv[3], NULL, 16);
area.x = strtoul(argv[4], NULL, 10);
area.y = strtoul(argv[5], NULL, 10);
area.w = strtoul(argv[6], NULL, 10);
area.h = strtoul(argv[7], NULL, 10);
fb = fbopen(fbdevice);
if (fb >= 0)
{
overlay_fill(fb, overlayno, argb, &area);
}
}
#ifdef CONFIG_FB_CMAP
else if (!strcmp(argv[1], "-cmap") && argc >= 2)
{
struct fb_cmap_s cmap;
uint8_t a[5];
uint8_t r[5];
uint8_t g[5];
uint8_t b[5];
cmap.first = 0;
cmap.len = 1;
rgb8888(strtoul(argv[2], NULL, 16), &a[0], &r[0], &g[0], &b[0]);
if (argc >= 3)
{
rgb8888(strtoul(argv[3], NULL, 16), &a[1], &r[1], &g[1], &b[1]);
cmap.len = 2;
}
if (argc >= 4)
{
rgb8888(strtoul(argv[4], NULL, 16), &a[2], &r[2], &g[2], &b[2]);
cmap.len = 3;
}
if (argc >= 5)
{
rgb8888(strtoul(argv[5], NULL, 16), &a[3], &r[3], &g[3], &b[3]);
cmap.len = 4;
}
if (argc >= 6)
{
rgb8888(strtoul(argv[6], NULL, 16), &a[4], &r[4], &g[4], &b[4]);
cmap.len = 5;
}
# ifdef CONFIG_FB_TRANSPARENCY
cmap.transp = a;
# endif
cmap.red = r;
cmap.green = g;
cmap.blue = b;
fb = fbopen(fbdevice);
if (fb >= 0)
{
/* Set new cmap */
video_putcmap(fb, &cmap);
/* Fetch cmap form driver to compare */
video_getcmap(fb, &cmap);
}
}
#endif /* CONFIG_FB_CMAP */
else if (!strcmp(argv[1], "-color") && argc >= 4)
{
struct fb_overlayinfo_s oinfo;
oinfo.overlay = atoi(argv[2]);
oinfo.color = strtoul(argv[3], NULL, 16);
fb = fbopen(fbdevice);
if (fb >= 0)
{
overlay_color(fb, &oinfo);
}
}
else if (!strcmp(argv[1], "-chroma") && argc >= 4)
{
struct fb_overlayinfo_s oinfo;
oinfo.overlay = atoi(argv[2]);
oinfo.chromakey = strtoul(argv[3], NULL, 16);
fb = fbopen(fbdevice);
if (fb >= 0)
{
overlay_chromakey(fb, &oinfo);
}
}
else if (!strcmp(argv[1], "-transp") && argc >= 5)
{
struct fb_overlayinfo_s oinfo;
oinfo.overlay = atoi(argv[2]);
oinfo.transp.transp = strtoul(argv[3], NULL, 10);
oinfo.transp.transp_mode = strtoul(argv[4], NULL, 10);
if (oinfo.transp.transp_mode != FB_CONST_ALPHA &&
oinfo.transp.transp_mode != FB_PIXEL_ALPHA)
{
fprintf(stderr, "Invalid transparency mode: %d\n",
oinfo.transp.transp_mode);
}
else
{
fb = fbopen(fbdevice);
if (fb >= 0)
{
overlay_transp(fb, &oinfo);
}
}
}
else if (!strcmp(argv[1], "-area") && argc >= 7)
{
struct fb_overlayinfo_s oinfo;
oinfo.overlay = atoi(argv[2]);
oinfo.sarea.x = strtoul(argv[3], NULL, 10);
oinfo.sarea.y = strtoul(argv[4], NULL, 10);
oinfo.sarea.w = strtoul(argv[5], NULL, 10);
oinfo.sarea.h = strtoul(argv[6], NULL, 10);
fb = fbopen(fbdevice);
if (fb >= 0)
{
overlay_area(fb, &oinfo);
}
}
else if (!strcmp(argv[1], "-blank") && argc >= 3)
{
struct fb_overlayinfo_s oinfo;
oinfo.overlay = atoi(argv[2]);
oinfo.blank = strtoul(argv[3], NULL, 10);
fb = fbopen(fbdevice);
if (fb >= 0)
{
overlay_blank(fb, &oinfo);
}
}
#ifdef CONFIG_FB_OVERLAY_BLIT
else if (!strcmp(argv[1], "-blit") && argc >= 11)
{
struct fb_overlayblit_s blit;
blit.dest.overlay = atoi(argv[2]);
blit.dest.area.x = strtoul(argv[3], NULL, 10);
blit.dest.area.y = strtoul(argv[4], NULL, 10);
blit.dest.area.w = strtoul(argv[5], NULL, 10);
blit.dest.area.h = strtoul(argv[6], NULL, 10);
blit.src.overlay = atoi(argv[7]);
blit.src.area.x = strtoul(argv[8], NULL, 10);
blit.src.area.y = strtoul(argv[9], NULL, 10);
blit.src.area.w = strtoul(argv[10], NULL, 10);
blit.src.area.h = strtoul(argv[11], NULL, 10);
fb = fbopen(fbdevice);
if (fb >= 0)
{
overlay_blit(fb, &blit);
}
}
else if (!strcmp(argv[1], "-blend") && argc >= 16)
{
struct fb_overlayblend_s blend;
blend.dest.overlay = atoi(argv[2]);
blend.dest.area.x = strtoul(argv[3], NULL, 10);
blend.dest.area.y = strtoul(argv[4], NULL, 10);
blend.dest.area.w = strtoul(argv[5], NULL, 10);
blend.dest.area.h = strtoul(argv[6], NULL, 10);
blend.foreground.overlay = atoi(argv[7]);
blend.foreground.area.x = strtoul(argv[8], NULL, 10);
blend.foreground.area.y = strtoul(argv[9], NULL, 10);
blend.foreground.area.w = strtoul(argv[10], NULL, 10);
blend.foreground.area.h = strtoul(argv[11], NULL, 10);
blend.background.overlay = atoi(argv[12]);
blend.background.area.x = strtoul(argv[13], NULL, 10);
blend.background.area.y = strtoul(argv[14], NULL, 10);
blend.background.area.w = strtoul(argv[15], NULL, 10);
blend.background.area.h = strtoul(argv[16], NULL, 10);
fb = fbopen(fbdevice);
if (fb >= 0)
{
overlay_blend(fb, &blend);
}
}
#endif
else
{
usage(argv[0]);
return EXIT_FAILURE;
}
if (fb >= 0)
{
close(fb);
}
return EXIT_SUCCESS;
}
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