diff options
| -rw-r--r-- | src/input/input_test.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/input/input_test.c b/src/input/input_test.c index c25450bfa..0bbeac1b9 100644 --- a/src/input/input_test.c +++ b/src/input/input_test.c @@ -136,6 +136,93 @@ static int adiff (int a, int b) { return (d < 12 * 255 ? d : 24 * 255 - d); } +/* gimmick #2588: the XINE logo ;-) */ +static void render_parallelogram (unsigned char *buf, int buf_width, int buf_height, unsigned int gray, + int x, int y, int width, int height, int slant, int sc) { + int i, o; + if (height < 2) return; + /* slant compensation */ + if (sc) { + i = (width * slant + height / 2) / height; + width = isqr (width * width + i * i); + } + /* 3 bytes per pixel */ + width *= 3; + /* OK now render */ + height--; + for (i = 0; i <= height; i++) { + o = (buf_height - 1 - y - i) * buf_width + x; + o += (slant * i + height / 2) / height; + o *= 3; + memset (buf + o, gray, width); + } +} + +static void render_turn (unsigned char *buf, int buf_width, int buf_height, unsigned int gray, + int x, int y, int size, int quad) { + int cx = quad & 1 ? 0 : size; + int cy = quad & 2 ? 0 : size; + int i, j, d, e; + int _min = size * size, _max = 4 * _min; + unsigned char *p; + for (i = 0; i < size; i++) { + for (j = 0; j < size; j++) { + d = 2 * (i - cy) + 1; + d *= d; + e = 2 * (j - cx) + 1; + e *= e; + d += e; + if ((d < _min) || (d > _max)) continue; + p = buf + 3 * ((buf_height - 1 - y - i) * buf_width + x + j); + *p++ = gray; + *p++ = gray; + *p = gray; + } + } +} + +static void render_xine_logo (unsigned char *buf, int buf_width, int buf_height, unsigned int gray) { + int height = buf_height / 30 >= 10 ? buf_height / 30 : 10; + int width = height / 4; + int top = buf_height - 2 * height; + int left = buf_width - 4 * height - 3 * width; + /* safety */ + if ((top < 0) || (left < 0)) return; + /* X */ + render_parallelogram (buf, buf_width, buf_height, gray, + left, top, width, height, height - width, 1); + render_parallelogram (buf, buf_width, buf_height, gray, + left + height - width, top, width, height, width - height, 1); + left += height + width / 2; + /* I */ + render_parallelogram (buf, buf_width, buf_height, gray, + left, top, width, height, 0, 0); + left += 3 * width / 2; + /* N */ + render_parallelogram (buf, buf_width, buf_height, gray, + left, top, width, height, 0, 0); + render_parallelogram (buf, buf_width, buf_height, gray, + left + width, top, height - 3 * width, width, 0, 0); + render_turn (buf, buf_width, buf_height, gray, + left + height - 2 * width, top, 2 * width, 1); + render_parallelogram (buf, buf_width, buf_height, gray, + left + height - width, top + 2 * width, width, height - 2 * width, 0, 0); + left += height + width / 2; + /* E */ + render_turn (buf, buf_width, buf_height, gray, + left, top, 2 * width, 0); + render_parallelogram (buf, buf_width, buf_height, gray, + left + 2 * width, top, height - 2 * width, width, 0, 0); + render_parallelogram (buf, buf_width, buf_height, gray, + left, top + 2 * width, width, height - 4 * width, 0, 0); + render_parallelogram (buf, buf_width, buf_height, gray, + left + width, top + (height - width) / 2, height - width, width, 0, 0); + render_turn (buf, buf_width, buf_height, gray, + left, top + height - 2 * width, 2 * width, 2); + render_parallelogram (buf, buf_width, buf_height, gray, + left + 2 * width, top + height - width, height - 2 * width, width, 0, 0); +} + static int test_make (test_input_plugin_t * this) { int width, height, x, y, cx, cy, d, r, dx, dy, a, red, green, blue, angle = 0; int mpeg = 0, hdtv = 0, yuv = 0, gray = 0; @@ -368,6 +455,8 @@ static int test_make (test_input_plugin_t * this) { break; } + render_xine_logo (this->bmp_head + 54, width, height, 150); + if (yuv) { int fb, fr, yb, yr, yg, yo, ubvr, vb, ur, ug, vg; int i, _yb[256], _yr[256], _yg[256]; |