diff options
| -rw-r--r-- | src/calibrator.c | 41 | ||||
| -rw-r--r-- | src/calibrator.h | 7 |
2 files changed, 45 insertions, 3 deletions
diff --git a/src/calibrator.c b/src/calibrator.c index 67e8346..a0dcb3a 100644 --- a/src/calibrator.c +++ b/src/calibrator.c @@ -17,8 +17,6 @@ */ #include "calibrator.h" -#include "framebuffer.h" -#include "drmgamma.h" #include "gamma.h" #include <stdio.h> @@ -189,9 +187,46 @@ int draw_id(void) } +int draw_gamma(void) +{ + size_t f, x, y, fn = fb_count(); + for (f = 0; f < fn; f++) + { + framebuffer_t fb; + if (fb_open(f, &fb) < 0) + return -1; + for (x = 0; x < 4; x++) + { + int r = (x == 1) || (x == 0); + int g = (x == 2) || (x == 0); + int b = (x == 3) || (x == 0); + uint32_t background = fb_colour(128 * r, 128 * g, 128 * b); + uint32_t average = fb_colour(188 * r, 188 * g, 188 * b); + uint32_t high = fb_colour(255 * r, 255 * g, 255 * b); + uint32_t low = fb_colour(0, 0, 0); + uint32_t xoff = x * fb.width / 4; + fb_fill_rectangle(&fb, background, xoff, 0, fb.width / 4, fb.height); + xoff += (fb.width / 4 - 200) / 2; + fb_fill_rectangle(&fb, high, xoff, 40, 200, 200); + fb_fill_rectangle(&fb, average, xoff + 50, 40, 100, 200); + fb_fill_rectangle(&fb, average, xoff, 280, 200, 200); + for (y = 0; y < 200; y += 2) + { + fb_draw_horizontal_line(&fb, high, xoff + 50, 280 + y + 0, 100); + fb_draw_horizontal_line(&fb, low , xoff + 50, 280 + y + 1, 100); + } + fb_fill_rectangle(&fb, average, xoff, 520, 200, 200); + fb_fill_rectangle(&fb, high, xoff + 50, 520, 100, 200); + } + fb_close(&fb); + } + return 0; +} + + int main(int argc __attribute__((unused)), char* argv[]) { - if (draw_id() < 0) + if (draw_gamma() < 0) goto fail; return 0; diff --git a/src/calibrator.h b/src/calibrator.h index 2c372c5..1db7a3b 100644 --- a/src/calibrator.h +++ b/src/calibrator.h @@ -19,6 +19,13 @@ #define CRT_CALIBRATOR_CALIBRATOR_H +#include "framebuffer.h" +#include "drmgamma.h" + +#include <stdint.h> +#include <stddef.h> + + /** * Draw bars in different shades of grey, red, green and blue * used for calibrating the contrast and brightness |