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Diffstat (limited to 'fb.c')
-rw-r--r--fb.c35
1 files changed, 34 insertions, 1 deletions
diff --git a/fb.c b/fb.c
index 8fbb156..7981961 100644
--- a/fb.c
+++ b/fb.c
@@ -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);