From 79fd2e75eb449b2cbd1950e4863075b78608a247 Mon Sep 17 00:00:00 2001 From: Vito Caputo Date: Sat, 16 Nov 2019 19:48:52 -0800 Subject: modules/rtv: add captions The idea is to have captions similar to how MTV did back in the 80s. It'd be nice to make the text resolution independent, but this is a good first stab for an afternoon of tooling around. --- src/modules/rtv/Makefile.am | 2 +- src/modules/rtv/rtv.c | 42 +++++++++++++++++++++++++++++++++++++----- 2 files changed, 38 insertions(+), 6 deletions(-) (limited to 'src/modules') diff --git a/src/modules/rtv/Makefile.am b/src/modules/rtv/Makefile.am index c301257..4d5cb6e 100644 --- a/src/modules/rtv/Makefile.am +++ b/src/modules/rtv/Makefile.am @@ -1,3 +1,3 @@ noinst_LIBRARIES = librtv.a librtv_a_SOURCES = rtv.c -librtv_a_CPPFLAGS = -I@top_srcdir@/src +librtv_a_CPPFLAGS = -I@top_srcdir@/src -I@top_srcdir@/src/libs diff --git a/src/modules/rtv/rtv.c b/src/modules/rtv/rtv.c index 8848e82..215f5d2 100644 --- a/src/modules/rtv/rtv.c +++ b/src/modules/rtv/rtv.c @@ -3,6 +3,7 @@ #include "fb.h" #include "rototiller.h" +#include "txt/txt.h" #include "util.h" /* Copyright (C) 2019 - Vito Caputo */ @@ -24,16 +25,18 @@ * same thing over and over. */ -#define RTV_SNOW_DURATION_SECS 1 -#define RTV_DURATION_SECS 15 +#define RTV_SNOW_DURATION_SECS 1 +#define RTV_DURATION_SECS 15 +#define RTV_CAPTION_DURATION_SECS 5 typedef struct rtv_context_t { const rototiller_module_t **modules; size_t n_modules; - time_t next_switch; + time_t next_switch, next_hide_caption; const rototiller_module_t *module; void *module_ctxt; + txt_t *caption; const rototiller_module_t *snow_module; } rtv_context_t; @@ -69,6 +72,7 @@ static void setup_next_module(rtv_context_t *ctxt) ctxt->module->destroy_context(ctxt->module_ctxt); ctxt->module_ctxt = NULL; + ctxt->caption = txt_free(ctxt->caption); } if (ctxt->module != ctxt->snow_module) { @@ -82,7 +86,15 @@ static void setup_next_module(rtv_context_t *ctxt) ctxt->modules[i] == ctxt->snow_module); ctxt->module = ctxt->modules[i]; + + ctxt->caption = txt_newf("Title: %s\nAuthor: %s\nDescription: %s\nLicense: %s", + ctxt->module->name, + ctxt->module->author, + ctxt->module->description, + ctxt->module->license); + ctxt->next_switch = time(NULL) + RTV_DURATION_SECS; + ctxt->next_hide_caption = time(NULL) + RTV_CAPTION_DURATION_SECS; } if (ctxt->module->create_context) @@ -111,15 +123,35 @@ static void rtv_destroy_context(void *context) static void rtv_prepare_frame(void *context, unsigned n_cpus, fb_fragment_t *fragment, rototiller_fragmenter_t *res_fragmenter) { rtv_context_t *ctxt = context; + time_t now = time(NULL); - if (time(NULL) >= ctxt->next_switch) + if (now >= ctxt->next_switch) setup_next_module(ctxt); + if (now >= ctxt->next_hide_caption) + ctxt->caption = txt_free(ctxt->caption); + rototiller_module_render(ctxt->module, ctxt->module_ctxt, fragment); } static void rtv_finish_frame(void *context, fb_fragment_t *fragment) { - /* TODO: this is stubbed here for drawing the caption overlay */ + rtv_context_t *ctxt = context; + + if (!ctxt->caption) + return; + + txt_render_fragment(ctxt->caption, fragment, 0x00000000, + 1, fragment->frame_height + 1, + (txt_align_t){ + .horiz = TXT_HALIGN_LEFT, + .vert = TXT_VALIGN_BOTTOM + }); + txt_render_fragment(ctxt->caption, fragment, 0xffffffff, + 0, fragment->frame_height, + (txt_align_t){ + .horiz = TXT_HALIGN_LEFT, + .vert = TXT_VALIGN_BOTTOM + }); } -- cgit v1.2.3