diff options
Diffstat (limited to 'demos/modules/gdisp/gdisp_images_animated/main.c')
-rw-r--r-- | demos/modules/gdisp/gdisp_images_animated/main.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/demos/modules/gdisp/gdisp_images_animated/main.c b/demos/modules/gdisp/gdisp_images_animated/main.c new file mode 100644 index 00000000..d5c3d712 --- /dev/null +++ b/demos/modules/gdisp/gdisp_images_animated/main.c @@ -0,0 +1,101 @@ +/* + ChibiOS/GFX - Copyright (C) 2012, 2013 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "ch.h" +#include "hal.h" +#include "gfx.h" + +#define USE_IMAGE_CACHE FALSE // Only if you want to get performance at the expense of RAM +#define MY_BG_COLOR RGB2COLOR(220, 220, 255) // Pale blue so we can see the transparent parts + +#ifdef WIN32 + #define USE_MEMORY_FILE FALSE // Can be true or false for Win32 +#else + #define USE_MEMORY_FILE TRUE // Non-Win32 - use the compiled in image +#endif + +#define SHOW_ERROR(color) gdispFillArea(swidth-10, 0, 10, sheight, color) + +#if USE_MEMORY_FILE + #include "testanim.h" +#endif + +static gdispImage myImage; + +/** + * This demo display the animated gif (either directly from a file or from a + * file encoded in flash. + * To show the various stages of encoding it displays a colored bar down the + * right hand side of the display to indicate what is happenning. + * Green - Image has completed and is displayed correctly + * Red - A really bad image fault. We couldn't open the image + * Yellow - Waiting to decode the next animation frame + * Orange - Decoding a frame has produced an error. + */ +int main(void) { + coord_t swidth, sheight; + systime_t delay; + + halInit(); // Initialize the Hardware + chSysInit(); // Initialize the OS + gdispInit(); // Initialize the display + + gdispClear(MY_BG_COLOR); + + // Get the display dimensions + swidth = gdispGetWidth(); + sheight = gdispGetHeight(); + + // Set up IO for our image +#if USE_MEMORY_FILE + gdispImageSetMemoryReader(&myImage, testanim); +#else + gdispImageSetSimulFileReader(&myImage, "testanim.gif"); +#endif + + if (gdispImageOpen(&myImage) == GDISP_IMAGE_ERR_OK) { + gdispImageSetBgColor(&myImage, MY_BG_COLOR); + while(1) { + #if USE_IMAGE_CACHE + gdispImageCache(&myImage); + #endif + if (gdispImageDraw(&myImage, 5, 5, myImage.width, myImage.height, 0, 0) != GDISP_IMAGE_ERR_OK) { + SHOW_ERROR(Orange); + break; + } + delay = gdispImageNext(&myImage); + if (delay == TIME_INFINITE) { + SHOW_ERROR(Green); + break; + } + SHOW_ERROR(Yellow); + if (delay != TIME_IMMEDIATE) + chThdSleepMilliseconds(delay); + } + gdispImageClose(&myImage); + } else + SHOW_ERROR(Red); + + while(1) { + chThdSleepMilliseconds(1000); + } + + return 0; +} |