From 80e30ea0d19815925492ac736c6e87384bfc2c55 Mon Sep 17 00:00:00 2001 From: Robin Gareus Date: Mon, 26 Aug 2019 18:57:47 +0200 Subject: LV2 options for UI theme Inform plugins about host theme (fg, bg colors) and UI scale-factor. The latter follows an implementation already present in Carla and DPF. These extension use proposed official URLs. --- libs/ardour/ardour/lv2_plugin.h | 17 +++++++++++++++-- libs/ardour/lv2_plugin.cc | 15 +++++++++++++-- 2 files changed, 28 insertions(+), 4 deletions(-) diff --git a/libs/ardour/ardour/lv2_plugin.h b/libs/ardour/ardour/lv2_plugin.h index 734a8d7e21..6c9fea54f5 100644 --- a/libs/ardour/ardour/lv2_plugin.h +++ b/libs/ardour/ardour/lv2_plugin.h @@ -175,6 +175,17 @@ class LIBARDOUR_API LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee Variant get_property_value (uint32_t) const; void announce_property_values(); + /* LV2 Option Options */ + static void set_global_ui_background_color (uint32_t c) { + _ui_background_color = c; + } + static void set_global_ui_foreground_color (uint32_t c) { + _ui_foreground_color = c; + } + static void set_global_ui_scale_factor (float s) { + _ui_scale_factor = s; + } + private: struct Impl; Impl* _impl; @@ -298,7 +309,6 @@ class LIBARDOUR_API LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee if (chn > 15) return UINT32_MAX; return _bankpatch[chn]; } - #endif typedef struct { @@ -320,7 +330,10 @@ class LIBARDOUR_API LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee #endif // Options passed to plugin - int32_t _seq_size; + int32_t _seq_size; + static uint32_t _ui_background_color; + static uint32_t _ui_foreground_color; + static float _ui_scale_factor; mutable unsigned _state_version; diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc index 140c5f5d1f..48e3901ecc 100644 --- a/libs/ardour/lv2_plugin.cc +++ b/libs/ardour/lv2_plugin.cc @@ -128,7 +128,10 @@ using namespace std; using namespace ARDOUR; using namespace PBD; -bool LV2Plugin::force_state_save = false; +bool LV2Plugin::force_state_save = false; +uint32_t LV2Plugin::_ui_background_color = 0x000000ff; // RGBA +uint32_t LV2Plugin::_ui_foreground_color = 0xffffffff; // RGBA +float LV2Plugin::_ui_scale_factor = 1.0; class LV2World : boost::noncopyable { public: @@ -501,7 +504,9 @@ LV2Plugin::init(const void* c_plugin, samplecnt_t rate) _features[n_features++] = &_bankpatch_feature; #endif - LV2_URID atom_Int = _uri_map.uri_to_id(LV2_ATOM__Int); + LV2_URID atom_Int = _uri_map.uri_to_id(LV2_ATOM__Int); + LV2_URID atom_Float = _uri_map.uri_to_id(LV2_ATOM__Float); + static const int32_t _min_block_length = 1; // may happen during split-cycles static const int32_t _max_block_length = 8192; // max possible (with all engines and during export) static const int32_t rt_policy = PBD_SCHED_FIFO; @@ -526,6 +531,12 @@ LV2Plugin::init(const void* c_plugin, samplecnt_t rate) sizeof(int32_t), atom_Int, &rt_policy }, { LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id("http://ardour.org/lv2/threads/#schedPriority"), sizeof(int32_t), atom_Int, &rt_priority }, + { LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id("http://lv2plug.in/ns/extensions/ui#backgroundColor"), + sizeof(int32_t), atom_Int, &_ui_background_color }, + { LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id("http://lv2plug.in/ns/extensions/ui#foregroundColor"), + sizeof(int32_t), atom_Int, &_ui_foreground_color }, + { LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id("http://lv2plug.in/ns/extensions/ui#scaleFactor"), + sizeof(int32_t), atom_Float, &_ui_scale_factor }, { LV2_OPTIONS_INSTANCE, 0, 0, 0, 0, NULL } }; -- cgit v1.2.3