From 2eb32065b23a5cd90a6ae8908ae8a8ff24a4f209 Mon Sep 17 00:00:00 2001 From: Michael Pavone Date: Sat, 4 Mar 2017 11:50:14 -0800 Subject: Implement raw screenshot functionality requested in ticket:10 --- ppm.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 ppm.c (limited to 'ppm.c') diff --git a/ppm.c b/ppm.c new file mode 100644 index 0000000..5e46793 --- /dev/null +++ b/ppm.c @@ -0,0 +1,21 @@ +#include +#include + +void save_ppm(FILE *f, uint32_t *buffer, uint32_t width, uint32_t height, uint32_t pitch) +{ + fprintf(f, "P6\n%d %d\n255\n", width, height); + for(uint32_t y = 0; y < height; y++) + { + uint32_t *line = buffer; + for (uint32_t x = 0; x < width; x++, line++) + { + uint8_t buf[3] = { + *line >> 16, //red + *line >> 8, //green + *line //blue + }; + fwrite(buf, 1, sizeof(buf), f); + } + buffer = buffer + pitch / sizeof(uint32_t); + } +} -- cgit v1.2.3