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Diffstat (limited to 'apps/examples/nximage/nximage.h')
-rwxr-xr-x | apps/examples/nximage/nximage.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/apps/examples/nximage/nximage.h b/apps/examples/nximage/nximage.h new file mode 100755 index 000000000..8a335ddc8 --- /dev/null +++ b/apps/examples/nximage/nximage.h @@ -0,0 +1,219 @@ +/**************************************************************************** + * examples/nximage/nximage.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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. + * + ****************************************************************************/ + +#ifndef __APPS_EXAMPLES_NXIMAGE_NXIMAGE_H +#define __APPS_EXAMPLES_NXIMAGE_NXIMAGE_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> +#include <semaphore.h> + +#include <nuttx/nx.h> +#include <nuttx/nxglib.h> + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/* Configuration ************************************************************/ + +#ifndef CONFIG_NX +# error "NX is not enabled (CONFIG_NX)" +#endif + +#ifndef CONFIG_EXAMPLES_NXIMAGE_VPLANE +# define CONFIG_EXAMPLES_NXIMAGE_VPLANE 0 +#endif + +#ifndef CONFIG_EXAMPLES_NXIMAGE_BPP +# define CONFIG_EXAMPLES_NXIMAGE_BPP 16 +#endif + +#if defined(CONFIG_EXAMPLES_NXIMAGE_XSCALEp5) +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p0 +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p5 +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALE2p0 +#elif defined(CONFIG_EXAMPLES_NXIMAGE_XSCALE1p5) +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALEp5 +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p0 +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALE2p0 +#elif defined(CONFIG_EXAMPLES_NXIMAGE_XSCALE2p0) +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALEp5 +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p0 +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p5 +#else +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALEp5 +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p0 +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALE1p5 +# undef CONFIG_EXAMPLES_NXIMAGE_XSCALE2p0 +# define CONFIG_EXAMPLES_NXIMAGE_XSCALE1p0 1 +#endif + +#if defined(CONFIG_EXAMPLES_NXIMAGE_YSCALEp5) +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p0 +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5 +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALE2p0 +#elif defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5) +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALEp5 +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p0 +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALE2p0 +#elif defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE2p0) +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALEp5 +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p0 +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5 +#else +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALEp5 +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p0 +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5 +# undef CONFIG_EXAMPLES_NXIMAGE_YSCALE2p0 +# define CONFIG_EXAMPLES_NXIMAGE_YSCALE1p0 1 +#endif + +/* Debug ********************************************************************/ + +#ifdef CONFIG_CPP_HAVE_VARARGS +# ifdef CONFIG_DEBUG +# define message(...) lib_lowprintf(__VA_ARGS__) +# define msgflush() +# else +# define message(...) printf(__VA_ARGS__) +# define msgflush() fflush(stdout) +# endif +#else +# ifdef CONFIG_DEBUG +# define message lib_lowprintf +# define msgflush() +# else +# define message printf +# define msgflush() fflush(stdout) +# endif +#endif + +/* Image Information ********************************************************/ + +#define IMAGE_HEIGHT 160 /* Number of rows in the raw image */ +#define IMAGE_WIDTH 160 /* Number of columns in the raw image */ + +#if defined(CONFIG_EXAMPLES_NXIMAGE_XSCALEp5) +# define SCALED_WIDTH 80 /* Number of columns in the scaled image */ +#elif defined(CONFIG_EXAMPLES_NXIMAGE_XSCALE1p5) +# define SCALED_WIDTH 240 /* Number of columns in the scaled image */ +#elif defined(CONFIG_EXAMPLES_NXIMAGE_XSCALE2p0) +# define SCALED_WIDTH 320 /* Number of columns in the scaled image */ +#else +# define SCALED_WIDTH 160 /* Number of columns in the scaled image */ +#endif + +#if defined(CONFIG_EXAMPLES_NXIMAGE_YSCALEp5) +# define SCALED_HEIGHT 80 /* Number of rows in the scaled image */ +#elif defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE1p5) +# define SCALED_HEIGHT 240 /* Number of rows in the scaled image */ +#elif defined(CONFIG_EXAMPLES_NXIMAGE_YSCALE2p0) +# define SCALED_HEIGHT 320 /* Number of rows in the scaled image */ +#else +# define SCALED_HEIGHT 160 /* Number of rows in the scaled image */ +#endif + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +enum exitcode_e +{ + NXEXIT_SUCCESS = 0, + NXEXIT_EXTINITIALIZE, + NXEXIT_FBINITIALIZE, + NXEXIT_FBGETVPLANE, + NXEXIT_LCDINITIALIZE, + NXEXIT_LCDGETDEV, + NXEXIT_NXOPEN, + NXEXIT_NXREQUESTBKGD, + NXEXIT_NXSETBGCOLOR +}; + +struct nximage_data_s +{ + /* The NX handles */ + + NXHANDLE hnx; + NXHANDLE hbkgd; + + /* The screen resolution */ + + nxgl_coord_t xres; + nxgl_coord_t yres; + + volatile bool havepos; + sem_t sem; + volatile int code; +}; + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +/* NXIMAGE state data */ + +extern struct nximage_data_s g_nximage; + +/* NX callback vtables */ + +extern const struct nx_callback_s g_bgcb; + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#ifdef CONFIG_EXAMPLES_NXIMAGE_EXTERNINIT +extern FAR NX_DRIVERTYPE *up_nxdrvinit(unsigned int devno); +#endif + +/* Background window interfaces */ + +extern void nximage_image(NXWINDOW hwnd); + +/* Image interfaces */ + +extern nxgl_mxpixel_t nximage_bgcolor(void); +extern nxgl_mxpixel_t nximage_avgcolor(nxgl_mxpixel_t color1, nxgl_mxpixel_t color2); +extern void nximage_blitrow(FAR nxgl_mxpixel_t *run, FAR const void **state); + +#endif /* __APPS_EXAMPLES_NXIMAGE_NXIMAGE_H */ |