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-rw-r--r--commands/fbtest.c110
1 files changed, 108 insertions, 2 deletions
diff --git a/commands/fbtest.c b/commands/fbtest.c
index 9981c13..e5dd8ba 100644
--- a/commands/fbtest.c
+++ b/commands/fbtest.c
@@ -117,6 +117,111 @@ static void fbtest_pattern_geometry(struct screen *sc, u32 color)
}
}
+static void draw_line_r(struct screen *sc, bool rotate_90_ccw,
+ int x1, int y1, int x2, int y2,
+ uint8_t r, uint8_t g, uint8_t b)
+{
+ if (rotate_90_ccw)
+ gu_draw_line(sc,
+ y1, sc->info->yres - x1,
+ y2, sc->info->yres - x2,
+ r, g, b, 0xff, 0);
+ else
+ gu_draw_line(sc, x1, y1, x2, y2, r, g, b, 0xff, 0);
+}
+
+static void solid_rect_r(struct screen *sc, bool rotate_90_ccw,
+ int x1, int y1, int x2, int y2,
+ uint8_t r, uint8_t g, uint8_t b)
+{
+ if (rotate_90_ccw)
+ gu_fill_rectangle(sc,
+ y1, sc->info->yres - x1,
+ y2, sc->info->yres - x2,
+ r, g, b, 0xff);
+ else
+ gu_fill_rectangle(sc, x1, y1, x2, y2, r, g, b, 0xff);
+}
+
+static void grad_rect_r(struct screen *sc, bool rotate_90_ccw,
+ int x1, int y1, int x2, int y2,
+ uint8_t r, uint8_t g, uint8_t b)
+{
+ int x;
+
+ for (x = x1; x <= x2; x++)
+ draw_line_r(sc, rotate_90_ccw, x, y1, x, y2,
+ r * (x - x1 + 1) / (x2 - x1 + 1),
+ g * (x - x1 + 1) / (x2 - x1 + 1),
+ b * (x - x1 + 1) / (x2 - x1 + 1));
+}
+
+static void anchor_rect_r(struct screen *sc, bool rotate_90_ccw,
+ int x1, int y1, int x2, int y2)
+{
+ int dx = (x2 - x1 + 1) / 6, dy = (y2 - y1 + 1) / 6;
+
+ solid_rect_r(sc, rotate_90_ccw,
+ x1, y1, x2, y2,
+ 0xff, 0xff, 0xff);
+
+ solid_rect_r(sc, rotate_90_ccw,
+ x1 + dx, y1 + dy, x2 - dx, y2 - dy,
+ 0, 0, 0);
+
+ solid_rect_r(sc, rotate_90_ccw,
+ x1 + 2 * dx, y1 + 2 * dy, x2 - 2 * dx, y2 - 2 * dy,
+ 0xff, 0xff, 0xff);
+}
+
+
+static void fbtest_pattern_gradient(struct screen *sc, u32 unused)
+{
+ bool rotate_90_ccw;
+ int w, h, border;
+
+ if (sc->info->xres > sc->info->yres) {
+ w = sc->info->xres;
+ h = sc->info->yres;
+ rotate_90_ccw = false;
+ } else {
+ w = sc->info->yres;
+ h = sc->info->xres;
+ rotate_90_ccw = true;
+ }
+
+ solid_rect_r(sc, rotate_90_ccw, 0, 0, w - 1, h - 1, 0, 0, 0);
+
+ border = h / 5;
+
+ anchor_rect_r(sc, rotate_90_ccw,
+ border * 3 / 10, border * 3 / 10,
+ border * 7 / 10, border * 7 / 10);
+ anchor_rect_r(sc, rotate_90_ccw,
+ w - border * 7 / 10, border * 3 / 10,
+ w - border * 3 / 10, border * 7 / 10);
+ anchor_rect_r(sc, rotate_90_ccw,
+ w - border * 7 / 10, h - border * 7 / 10,
+ w - border * 3 / 10, h - border * 3 / 10);
+
+ grad_rect_r(sc, rotate_90_ccw,
+ border, border,
+ w - border, border + (h - 2 * border) / 4 - 1,
+ 0xff, 0, 0);
+ grad_rect_r(sc, rotate_90_ccw,
+ border, border + (h - 2 * border) / 4,
+ w - border, border + (h - 2 * border) / 2 - 1,
+ 0, 0xff, 0);
+ grad_rect_r(sc, rotate_90_ccw,
+ border, border + (h - 2 * border) / 2,
+ w - border, border + (h - 2 * border) * 3 / 4 - 1,
+ 0, 0, 0xff);
+ grad_rect_r(sc, rotate_90_ccw,
+ border, border + (h - 2 * border) * 3 / 4,
+ w - border, h - border,
+ 0xff, 0xff, 0xff);
+}
+
static int do_fbtest(int argc, char *argv[])
{
struct screen *sc;
@@ -133,7 +238,8 @@ static int do_fbtest(int argc, char *argv[])
} patterns[] = {
{ "solid", fbtest_pattern_solid },
{ "geometry", fbtest_pattern_geometry },
- { "bars", fbtest_pattern_bars }
+ { "bars", fbtest_pattern_bars },
+ { "gradient", fbtest_pattern_gradient },
};
while((opt = getopt(argc, argv, "d:p:c:")) > 0) {
@@ -202,7 +308,7 @@ BAREBOX_CMD_HELP_TEXT("")
BAREBOX_CMD_HELP_TEXT("Options:")
BAREBOX_CMD_HELP_OPT ("-d <fbdev>\t", "framebuffer device (default /dev/fb0)")
BAREBOX_CMD_HELP_OPT ("-c color\t", "color, in hex RRGGBB format")
-BAREBOX_CMD_HELP_OPT ("-p pattern\t", "pattern name (solid, geometry, bars)")
+BAREBOX_CMD_HELP_OPT ("-p pattern\t", "pattern name (solid, geometry, bars, gradient)")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(fbtest)