diff options
Diffstat (limited to 'fb.c')
| -rw-r--r-- | fb.c | 35 |
1 files changed, 34 insertions, 1 deletions
@@ -10,6 +10,10 @@ #include <linux/mxcfb.h> #include <sys/ioctl.h> +#define MAGICKCORE_QUANTUM_DEPTH 8 +#define MAGICKCORE_HDRI_ENABLE 0 +#include <MagickCore/MagickCore.h> + #include "fb.h" #include "gpio.h" @@ -66,7 +70,34 @@ void fb_loadimage(int screen, const char *path) printf("loading image %s\n", path); fflush(NULL); sync(); - int fd = open(path, O_RDONLY); + ExceptionInfo *exception = AcquireExceptionInfo(); + + printf("reading original image\n"); + ImageInfo *info = CloneImageInfo((ImageInfo*)NULL); + strcpy(info->filename, path); + Image *images = ReadImage(info, exception); + + printf("resizing\n"); + Image *original = RemoveFirstImageFromList(&images); + Image *resized = ResizeImage(original, fb.vsi.xres, fb.vsi.yres, LanczosFilter, exception); + DestroyImage(original); + + printf("rotating\n"); + Image *rotated = IntegralRotateImage(resized, 3, exception); + DestroyImage(rotated); + + printf("writing grayscale\n"); + AppendImageToList(&images, rotated); + strcpy(info->filename, "/tmp/converted.gray"); + WriteImage(info, images, exception); + + printf("cleaning up\n"); + DestroyImageList(images); + DestroyImage(rotated); + DestroyImageInfo(info); + DestroyExceptionInfo(exception); + + int fd = open("/tmp/converted.gray", O_RDONLY); if (fd == -1) { printf("not found\n"); fflush(NULL); @@ -98,6 +129,8 @@ void fb_loadimage(int screen, const char *path) void fb_init(void) { + MagickCoreGenesis(NULL, MagickFalse); + fb.fd = open("/dev/fb0", O_RDWR); ioctl(fb.fd, FBIOGET_FSCREENINFO, &fb.fsi); |