From 98553eaa9b6d4d5bc03d59a6bec74f4877a620b5 Mon Sep 17 00:00:00 2001 From: Vito Caputo Date: Sat, 6 May 2017 23:35:02 -0700 Subject: modules/blinds: add simple 80s-aesthetic window blinds This isn't super interesting but I might just start adding simplistic overlay style modules for compositing/transition use. --- src/Makefile.am | 2 +- src/modules/Makefile.am | 2 +- src/modules/blinds/Makefile.am | 3 +++ src/modules/blinds/blinds.c | 45 ++++++++++++++++++++++++++++++++++++++++++ src/til.c | 2 ++ 5 files changed, 52 insertions(+), 2 deletions(-) create mode 100644 src/modules/blinds/Makefile.am create mode 100644 src/modules/blinds/blinds.c (limited to 'src') diff --git a/src/Makefile.am b/src/Makefile.am index aa42c08..a676ce4 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -3,7 +3,7 @@ SUBDIRS = libs modules noinst_LTLIBRARIES = libtil.la libtil_la_SOURCES = til_args.c til_args.h til_fb.c til_fb.h til_knobs.h til.c til.h til_settings.h til_settings.c til_threads.c til_threads.h til_util.c til_util.h libtil_la_CPPFLAGS = -I@top_srcdir@/src -libtil_la_LIBADD = modules/compose/libcompose.la modules/drizzle/libdrizzle.la modules/flui2d/libflui2d.la modules/julia/libjulia.la modules/meta2d/libmeta2d.la modules/montage/libmontage.la modules/pixbounce/libpixbounce.la modules/plasma/libplasma.la modules/plato/libplato.la modules/ray/libray.la modules/roto/libroto.la modules/rtv/librtv.la modules/snow/libsnow.la modules/sparkler/libsparkler.la modules/spiro/libspiro.la modules/stars/libstars.la modules/submit/libsubmit.la modules/swab/libswab.la modules/swarm/libswarm.la libs/grid/libgrid.la libs/puddle/libpuddle.la libs/ray/libray.la libs/sig/libsig.la libs/txt/libtxt.la libs/ascii/libascii.la libs/din/libdin.la +libtil_la_LIBADD = modules/blinds/libblinds.la modules/compose/libcompose.la modules/drizzle/libdrizzle.la modules/flui2d/libflui2d.la modules/julia/libjulia.la modules/meta2d/libmeta2d.la modules/montage/libmontage.la modules/pixbounce/libpixbounce.la modules/plasma/libplasma.la modules/plato/libplato.la modules/ray/libray.la modules/roto/libroto.la modules/rtv/librtv.la modules/snow/libsnow.la modules/sparkler/libsparkler.la modules/spiro/libspiro.la modules/stars/libstars.la modules/submit/libsubmit.la modules/swab/libswab.la modules/swarm/libswarm.la libs/grid/libgrid.la libs/puddle/libpuddle.la libs/ray/libray.la libs/sig/libsig.la libs/txt/libtxt.la libs/ascii/libascii.la libs/din/libdin.la if ENABLE_ROTOTILLER bin_PROGRAMS = rototiller diff --git a/src/modules/Makefile.am b/src/modules/Makefile.am index 28fc7fd..c791bc9 100644 --- a/src/modules/Makefile.am +++ b/src/modules/Makefile.am @@ -1 +1 @@ -SUBDIRS = compose drizzle flui2d julia meta2d montage pixbounce plasma plato ray roto rtv snow sparkler spiro stars submit swab swarm +SUBDIRS = blinds compose drizzle flui2d julia meta2d montage pixbounce plasma plato ray roto rtv snow sparkler spiro stars submit swab swarm diff --git a/src/modules/blinds/Makefile.am b/src/modules/blinds/Makefile.am new file mode 100644 index 0000000..c1c1bfa --- /dev/null +++ b/src/modules/blinds/Makefile.am @@ -0,0 +1,3 @@ +noinst_LTLIBRARIES = libblinds.la +libblinds_la_SOURCES = blinds.c +libblinds_la_CPPFLAGS = -I@top_srcdir@/src -I@top_srcdir@/src/libs diff --git a/src/modules/blinds/blinds.c b/src/modules/blinds/blinds.c new file mode 100644 index 0000000..080b468 --- /dev/null +++ b/src/modules/blinds/blinds.c @@ -0,0 +1,45 @@ +#include +#include +#include + +#include "til.h" +#include "til_fb.h" + +/* Copyright (C) 2017-2022 Vito Caputo */ + +#define NUM_BLINDS 16 + +/* draw a blind over fragment */ +static inline void draw_blind(til_fb_fragment_t *fragment, unsigned row, float t) +{ + unsigned row_height = fragment->frame_height / NUM_BLINDS; + unsigned height = roundf(t * (float)row_height); + + for (unsigned y = 0; y < height; y++) + memset(fragment->buf + ((row * row_height) + y ) * (fragment->pitch >> 2), 0xff, fragment->width * 4); +} + + +/* draw blinds over the fragment */ +static void blinds_render_fragment(void *context, unsigned ticks, unsigned cpu, til_fb_fragment_t *fragment) +{ + static float rr; + + unsigned row; + float r; + + til_fb_fragment_clear(fragment); + + for (r = rr, row = 0; row < NUM_BLINDS; row++, r += .1) + draw_blind(fragment, row, 1.f - fabsf(cosf(r))); + + rr += .01; +} + + +til_module_t blinds_module = { + .render_fragment = blinds_render_fragment, + .name = "blinds", + .description = "Retro 80s-inspired window blinds", + .author = "Vito Caputo ", +}; diff --git a/src/til.c b/src/til.c index 651a23a..c5cced8 100644 --- a/src/til.c +++ b/src/til.c @@ -23,6 +23,7 @@ static til_threads_t *til_threads; +extern til_module_t blinds_module; extern til_module_t compose_module; extern til_module_t drizzle_module; extern til_module_t flui2d_module; @@ -44,6 +45,7 @@ extern til_module_t swab_module; extern til_module_t swarm_module; static const til_module_t *modules[] = { + &blinds_module, &compose_module, &drizzle_module, &flui2d_module, -- cgit v1.2.3