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Update cute_png.c

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This commit is contained in:
blueloveTH 2025-12-09 23:35:23 +08:00
parent db201f3f1f
commit dbed079fa4
1 changed files with 38 additions and 38 deletions
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76
3rd/cute_png/src/cute_png.c
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@ -4,13 +4,13 @@
#define CUTE_PNG_IMPLEMENTATION #define CUTE_PNG_IMPLEMENTATION
#include "cute_png.h" #include "cute_png.h"
#if PY_SYS_PLATFORM == 5 // #if PY_SYS_PLATFORM == 5
#include <unistd.h> // #include <unistd.h>
#include <fcntl.h> // #include <fcntl.h>
#include <sys/ioctl.h> // #include <sys/ioctl.h>
#include <sys/mman.h> // #include <sys/mman.h>
#include <linux/fb.h> // #include <linux/fb.h>
#endif // #endif
static bool cute_png_loads(int argc, py_Ref argv) { static bool cute_png_loads(int argc, py_Ref argv) {
PY_CHECK_ARGC(1); PY_CHECK_ARGC(1);
@ -215,37 +215,37 @@ static bool cute_png_Image__to_rgb565_file(int argc, py_Ref argv) {
} \ } \
} }
#if PY_SYS_PLATFORM == 5 // #if PY_SYS_PLATFORM == 5
if(strcmp(path, "/dev/fb0") == 0) { // if(strcmp(path, "/dev/fb0") == 0) {
static struct fb_fix_screeninfo finfo; // static struct fb_fix_screeninfo finfo;
static uint8_t* vmem_base; // static uint8_t* vmem_base;
if(vmem_base == NULL) { // if(vmem_base == NULL) {
int fbdev_fd = open(path, O_RDWR); // int fbdev_fd = open(path, O_RDWR);
if(fbdev_fd < 0) return OSError("open() '/dev/fb0' failed"); // if(fbdev_fd < 0) return OSError("open() '/dev/fb0' failed");
fcntl(fbdev_fd, F_SETFD, fcntl(fbdev_fd, F_GETFD) | FD_CLOEXEC); // fcntl(fbdev_fd, F_SETFD, fcntl(fbdev_fd, F_GETFD) | FD_CLOEXEC);
if(ioctl(fbdev_fd, FBIOGET_FSCREENINFO, &finfo) < 0) { // if(ioctl(fbdev_fd, FBIOGET_FSCREENINFO, &finfo) < 0) {
close(fbdev_fd); // close(fbdev_fd);
return OSError("ioctl() '/dev/fb0' failed"); // return OSError("ioctl() '/dev/fb0' failed");
} // }
vmem_base = mmap(0, finfo.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fbdev_fd, 0); // vmem_base = mmap(0, finfo.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fbdev_fd, 0);
if(vmem_base == MAP_FAILED) { // if(vmem_base == MAP_FAILED) {
vmem_base = NULL; // vmem_base = NULL;
close(fbdev_fd); // close(fbdev_fd);
return OSError("mmap() '/dev/fb0' failed"); // return OSError("mmap() '/dev/fb0' failed");
} // }
close(fbdev_fd); // close(fbdev_fd);
} // }
CONVERT_TO_RGB565( // CONVERT_TO_RGB565(
// use little endian // // use little endian
if(size + 2 > finfo.smem_len) { // if(size + 2 > finfo.smem_len) {
py_newint(py_retval(), size); // py_newint(py_retval(), size);
return true; // return true;
} memcpy(vmem_base + size, &rgb565, 2); // } memcpy(vmem_base + size, &rgb565, 2);
size += 2;) // size += 2;)
py_newint(py_retval(), size); // py_newint(py_retval(), size);
return true; // return true;
} // }
#endif // #endif
FILE* fp = fopen(path, "wb"); FILE* fp = fopen(path, "wb");
if(fp == NULL) return OSError("cannot open file '%s' for writing", path); if(fp == NULL) return OSError("cannot open file '%s' for writing", path);