static void
gezira_snowflake_render (gezira_snowflake_t *flake)
{
nile_Process_t *pipeline, *gate_, *COI;
Matrix_t M = Matrix ();
if (gezira_snowflake_offscreen (flake))
return;
M = Matrix_translate (M, WINDOW_WIDTH / 2, WINDOW_HEIGHT / 2);
M = Matrix_scale (M, zoom, zoom);
M = Matrix_translate (M, -WINDOW_WIDTH / 2, -WINDOW_HEIGHT / 2);
M = Matrix_translate (M, flake->x, flake->y);
M = Matrix_rotate (M, flake->angle);
M = Matrix_scale (M, flake->scale, flake->scale);
COI = gezira_CompositeUniformColorOverImage_ARGB32 (init,
FLAKE_ALPHA, FLAKE_RED, FLAKE_GREEN, FLAKE_BLUE,
window.pixels, window.width, window.height, window.width);
gate_ = nile_Identity (init, 8);
nile_Process_gate (COI, gate_);
pipeline = nile_Process_pipe (
gezira_TransformBeziers (init, M.a, M.b, M.c, M.d, M.e, M.f),
gezira_ClipBeziers (init, 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT),
gezira_Rasterize (init),
gate,
COI,
NILE_NULL);
nile_Process_feed (pipeline, snowflake_path, snowflake_path_n);
gate = gate_;
}
static void
gezira_snowflake_render (gezira_snowflake_t *flake,
gezira_Window_t *window, nile_Process_t *init)
{
nile_Process_t *pipeline;
Matrix_t M = Matrix ();
if (gezira_snowflake_offscreen (flake))
return;
M = Matrix_translate (M, WINDOW_WIDTH / 2, WINDOW_HEIGHT / 2);
M = Matrix_scale (M, zoom, zoom);
M = Matrix_translate (M, -WINDOW_WIDTH / 2, -WINDOW_HEIGHT / 2);
M = Matrix_translate (M, flake->x, flake->y);
M = Matrix_rotate (M, flake->angle);
M = Matrix_scale (M, flake->scale, flake->scale);
pipeline = nile_Process_pipe (
gezira_TransformBeziers (init, M.a, M.b, M.c, M.d, M.e, M.f),
gezira_ClipBeziers (init, 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT),
gezira_Rasterize (init),
gezira_CompositeUniformColorOverImage_ARGB32 (init,
&window->image,
FLAKE_ALPHA, FLAKE_RED, FLAKE_GREEN, FLAKE_BLUE),
NILE_NULL);
nile_Process_feed (pipeline, snowflake_path, snowflake_path_n);
}