diff --git a/cmake/Modules/FindFreetype.cmake b/cmake/Modules/FindFreetype.cmake
new file mode 100644
index 0000000000000000000000000000000000000000..71e59310666ded63cc0b7fde1e822ed53df7f68c
--- /dev/null
+++ b/cmake/Modules/FindFreetype.cmake
@@ -0,0 +1,56 @@
+# Once done these will be defined:
+#
+# LIBFREETYPE_FOUND
+# LIBFREETYPE_INCLUDE_DIRS
+# LIBFREETYPE_LIBRARIES
+#
+# For use in OBS:
+#
+# FREETYPE_INCLUDE_DIR
+#
+
+if(LIBFREETYPE_INCLUDE_DIRS AND LIBFREETYPE_LIBRARIES)
+ set(LIBFREETYPE_FOUND TRUE)
+else()
+ find_package(PkgConfig QUIET)
+ if (PKG_CONFIG_FOUND)
+ pkg_check_modules(_FREETYPE QUIET freetype2)
+ endif()
+
+ if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+ set(_lib_suffix 64)
+ else()
+ set(_lib_suffix 32)
+ endif()
+
+ set(FREETYPE_PATH_ARCH FreetypePath${_lib_suffix})
+
+ find_path(FREETYPE_INCLUDE_DIR
+ NAMES ft2build.h
+ HINTS
+ ${_FREETYPE_INCLUDE_DIRS}
+ "${CMAKE_SOURCE_DIR}/additional_install_files/include"
+ "$ENV{obsAdditionalInstallFiles}/include"
+ ENV FreetypePath
+ ENV ${FREETYPE_PATH_ARCH}
+ PATHS
+ /usr/include /usr/local/include /opt/local/include /sw/include)
+
+ find_library(FREETYPE_LIB
+ NAMES ${_FREETYPE_LIBRARIES} freetype libfreetype
+ HINTS
+ ${_FREETYPE_LIBRARY_DIRS}
+ "${FREETYPE_INCLUDE_DIR}/../lib"
+ "${FREETYPE_INCLUDE_DIR}/../lib${_lib_suffix}"
+ "${FREETYPE_INCLUDE_DIR}/../libs${_lib_suffix}"
+ "${FREETYPE_INCLUDE_DIR}/lib"
+ "${FREETYPE_INCLUDE_DIR}/lib${_lib_suffix}"
+ PATHS
+ /usr/lib /usr/local/lib /opt/local/lib /sw/lib)
+
+ set(LIBFREETYPE_INCLUDE_DIRS ${FREETYPE_INCLUDE_DIR} CACHE PATH "freetype include dir")
+ set(LIBFREETYPE_LIBRARIES ${FREETYPE_LIB} CACHE STRING "freetype libraries")
+
+ find_package_handle_standard_args(Libfreetype DEFAULT_MSG FREETYPE_LIB FREETYPE_INCLUDE_DIR)
+ mark_as_advanced(FREETYPE_INCLUDE_DIR FREETYPE_LIB)
+endif()
diff --git a/plugins/CMakeLists.txt b/plugins/CMakeLists.txt
index 6aa6fcee367690e7886ca67aaff50a6ad7b0e705..f2d6ae0aecfe013eecaf7d452a583138d85a4cd7 100644
--- a/plugins/CMakeLists.txt
+++ b/plugins/CMakeLists.txt
@@ -19,3 +19,4 @@ add_subdirectory(obs-libfdk)
add_subdirectory(obs-ffmpeg)
add_subdirectory(obs-outputs)
add_subdirectory(rtmp-services)
+add_subdirectory(text-freetype2)
diff --git a/plugins/text-freetype2/CMakeLists.txt b/plugins/text-freetype2/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4770e17cbddcd31c66c0568be45db9d0fb47ab26
--- /dev/null
+++ b/plugins/text-freetype2/CMakeLists.txt
@@ -0,0 +1,23 @@
+project(text-freetype2)
+
+find_package(Freetype REQUIRED)
+
+include_directories(
+ SYSTEM "${CMAKE_SOURCE_DIR}/libobs"
+ ${LIBFREETYPE_INCLUDE_DIRS})
+
+set(text-freetype2_SOURCES
+ obs-convenience.c
+ text-functionality.c
+ text-freetype2.c
+ obs-convenience.h
+ text-freetype2.h)
+
+add_library(text-freetype2 MODULE
+ ${text-freetype2_SOURCES})
+target_link_libraries(text-freetype2
+ libobs
+ ${LIBFREETYPE_LIBRARIES})
+
+install_obs_plugin(text-freetype2)
+install_obs_plugin_data(text-freetype2 data)
diff --git a/plugins/text-freetype2/data/locale/en-US.ini b/plugins/text-freetype2/data/locale/en-US.ini
new file mode 100644
index 0000000000000000000000000000000000000000..b7e445cb583965d275406e89e4f2752fb068f0af
--- /dev/null
+++ b/plugins/text-freetype2/data/locale/en-US.ini
@@ -0,0 +1,12 @@
+FontFile="Font File"
+Text="Text"
+TextFile="Text File (UTF-8 or UTF-16)"
+ChatLogMode="Chat log mode (last 6 lines)"
+FontSize="Font Size (Pixels)"
+Color1="Color 1"
+Color2="Color 2"
+Outline="Outline"
+DropShadow="Drop Shadow"
+ReadFromFile="Read from file"
+CustomWidth="Custom text width"
+WordWrap="Word Wrap"
\ No newline at end of file
diff --git a/plugins/text-freetype2/data/text_default.effect b/plugins/text-freetype2/data/text_default.effect
new file mode 100644
index 0000000000000000000000000000000000000000..96804161086e0275aa2afffe662e94f79de1c8bd
--- /dev/null
+++ b/plugins/text-freetype2/data/text_default.effect
@@ -0,0 +1,56 @@
+uniform float4x4 ViewProj;
+uniform float4x4 color_matrix;
+uniform float3 color_range_min = {0.0, 0.0, 0.0};
+uniform float3 color_range_max = {1.0, 1.0, 1.0};
+uniform texture2d image;
+
+sampler_state def_sampler {
+ Filter = Linear;
+ AddressU = Clamp;
+ AddressV = Clamp;
+};
+
+struct VertInOut {
+ float4 pos : POSITION;
+ float2 uv : TEXCOORD0;
+ float4 col : COLOR;
+};
+
+VertInOut VSDefault(VertInOut vert_in)
+{
+ VertInOut vert_out;
+ vert_out.pos = mul(float4(vert_in.pos.xyz, 1.0), ViewProj);
+ vert_out.uv = vert_in.uv;
+ vert_out.col = vert_in.col;
+ return vert_out;
+}
+
+float4 PSDrawBare(VertInOut vert_in) : TARGET
+{
+ return image.Sample(def_sampler, vert_in.uv) * vert_in.col;
+}
+
+float4 PSDrawMatrix(VertInOut vert_in) : TARGET
+{
+ float4 yuv = image.Sample(def_sampler, vert_in.uv);
+ yuv.xyz = clamp(yuv.xyz, color_range_min, color_range_max);
+ return saturate(mul(float4(yuv.xyz, 1.0), color_matrix));
+}
+
+technique Draw
+{
+ pass
+ {
+ vertex_shader = VSDefault(vert_in);
+ pixel_shader = PSDrawBare(vert_in);
+ }
+}
+
+technique DrawMatrix
+{
+ pass
+ {
+ vertex_shader = VSDefault(vert_in);
+ pixel_shader = PSDrawMatrix(vert_in);
+ }
+}
diff --git a/plugins/text-freetype2/obs-convenience.c b/plugins/text-freetype2/obs-convenience.c
new file mode 100644
index 0000000000000000000000000000000000000000..0bbd7a936367dcc88318ef616fd78d94f0794921
--- /dev/null
+++ b/plugins/text-freetype2/obs-convenience.c
@@ -0,0 +1,84 @@
+/******************************************************************************
+Copyright (C) 2014 by Nibbles
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see .
+******************************************************************************/
+
+#include
+#include
+#include
+#include
+#include "obs-convenience.h"
+
+gs_vertbuffer_t create_uv_vbuffer(uint32_t num_verts, bool add_color) {
+ obs_enter_graphics();
+
+ gs_vertbuffer_t tmp = NULL;
+ struct gs_vb_data *vrect = NULL;
+
+ vrect = gs_vbdata_create();
+ vrect->num = num_verts;
+ vrect->points = (struct vec3 *)bmalloc(sizeof(struct vec3) * num_verts);
+ vrect->num_tex = 1;
+ vrect->tvarray =
+ (struct gs_tvertarray *)bmalloc(sizeof(struct gs_tvertarray));
+ vrect->tvarray[0].width = 2;
+ vrect->tvarray[0].array = bmalloc(sizeof(struct vec2) * num_verts);
+ if (add_color)
+ vrect->colors = (uint32_t *)bmalloc
+ (sizeof(uint32_t)* num_verts);
+
+ memset(vrect->points, 0, sizeof(struct vec3) * num_verts);
+ memset(vrect->tvarray[0].array, 0, sizeof(struct vec2) * num_verts);
+ if (add_color)
+ memset(vrect->colors, 0, sizeof(uint32_t)* num_verts);
+
+ tmp = gs_vertexbuffer_create(vrect, GS_DYNAMIC);
+
+ if (tmp == NULL) {
+ blog(LOG_WARNING, "Couldn't create UV vertex buffer.");
+ }
+
+ obs_leave_graphics();
+
+ return tmp;
+}
+
+void draw_uv_vbuffer(gs_vertbuffer_t vbuf, gs_texture_t tex, gs_effect_t effect,
+ uint32_t num_verts) {
+ gs_texture_t texture = tex;
+ gs_technique_t tech = gs_effect_get_technique(effect, "Draw");
+ gs_eparam_t image = gs_effect_get_param_by_name(effect, "image");
+ size_t passes;
+
+ if (vbuf == NULL || tex == NULL) return;
+
+ gs_vertexbuffer_flush(vbuf);
+ gs_load_vertexbuffer(vbuf);
+ gs_load_indexbuffer(NULL);
+
+ passes = gs_technique_begin(tech);
+
+ for (size_t i = 0; i < passes; i++) {
+ if (gs_technique_begin_pass(tech, i)) {
+ gs_effect_set_texture(image, texture);
+
+ gs_draw(GS_TRIS, 0, num_verts);
+
+ gs_technique_end_pass(tech);
+ }
+ }
+
+ gs_technique_end(tech);
+}
diff --git a/plugins/text-freetype2/obs-convenience.h b/plugins/text-freetype2/obs-convenience.h
new file mode 100644
index 0000000000000000000000000000000000000000..0a701ad9ce5f6b03a28429ff7c57e260ed1d38e0
--- /dev/null
+++ b/plugins/text-freetype2/obs-convenience.h
@@ -0,0 +1,43 @@
+/******************************************************************************
+Copyright (C) 2014 by Nibbles
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see .
+******************************************************************************/
+
+#include
+
+gs_vertbuffer_t create_uv_vbuffer(uint32_t num_verts, bool add_color);
+void draw_uv_vbuffer(gs_vertbuffer_t vbuf, gs_texture_t tex, gs_effect_t effect,
+ uint32_t num_verts);
+
+#define set_v3_rect(a, x, y, w, h) \
+ vec3_set(a, x, y, 0.0f); \
+ vec3_set(a + 1, x + w, y, 0.0f); \
+ vec3_set(a + 2, x, y + h, 0.0f); \
+ vec3_set(a + 3, x, y + h, 0.0f); \
+ vec3_set(a + 4, x + w, y, 0.0f); \
+ vec3_set(a + 5, x + w, y + h, 0.0f);
+
+#define set_v2_uv(a, u, v, u2, v2) \
+ vec2_set(a, u, v); \
+ vec2_set(a + 1, u2, v); \
+ vec2_set(a + 2, u, v2); \
+ vec2_set(a + 3, u, v2); \
+ vec2_set(a + 4, u2, v); \
+ vec2_set(a + 5, u2, v2);
+
+#define set_rect_colors2(a, c1, c2) \
+ uint32_t *b = a; \
+ b[0] = b[1] = b[4] = c1; \
+ b[2] = b[3] = b[5] = c2;
diff --git a/plugins/text-freetype2/text-freetype2.c b/plugins/text-freetype2/text-freetype2.c
new file mode 100644
index 0000000000000000000000000000000000000000..66deba405cc3a770ac1f8eab0c36aa2cb83843b9
--- /dev/null
+++ b/plugins/text-freetype2/text-freetype2.c
@@ -0,0 +1,399 @@
+/******************************************************************************
+Copyright (C) 2014 by Nibbles
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see .
+******************************************************************************/
+
+#include
+#include
+#include
+#include FT_FREETYPE_H
+#include
+#include "text-freetype2.h"
+#include "obs-convenience.h"
+
+FT_Library ft2_lib;
+
+OBS_DECLARE_MODULE()
+OBS_MODULE_USE_DEFAULT_LOCALE("text-freetype2", "en-US")
+
+uint32_t texbuf_w = 2048, texbuf_h = 2048;
+
+static struct obs_source_info freetype2_source_info = {
+ .id = "text_ft2_source",
+ .type = OBS_SOURCE_TYPE_INPUT,
+ .output_flags = OBS_SOURCE_VIDEO,
+ .get_name = ft2_source_get_name,
+ .create = ft2_source_create,
+ .destroy = ft2_source_destroy,
+ .update = ft2_source_update,
+ .get_width = ft2_source_get_width,
+ .get_height = ft2_source_get_height,
+ .video_render = ft2_source_render,
+ .video_tick = ft2_video_tick,
+ .get_properties = ft2_source_properties,
+};
+
+bool obs_module_load()
+{
+ FT_Init_FreeType(&ft2_lib);
+
+ if (ft2_lib == NULL) {
+ blog(LOG_WARNING, "FT2-text: Failed to initialize FT2.");
+ return false;
+ }
+
+ obs_register_source(&freetype2_source_info);
+
+ return true;
+}
+
+void obs_module_unload(void)
+{
+ FT_Done_FreeType(ft2_lib);
+}
+
+static const char *ft2_source_get_name(void)
+{
+ return obs_module_text("Text (FreeType 2)");
+}
+
+static uint32_t ft2_source_get_width(void *data)
+{
+ struct ft2_source *srcdata = data;
+
+ return srcdata->cx;
+}
+
+static uint32_t ft2_source_get_height(void *data)
+{
+ struct ft2_source *srcdata = data;
+
+ return srcdata->cy;
+}
+
+static obs_properties_t ft2_source_properties(void)
+{
+ obs_properties_t props = obs_properties_create();
+ //obs_property_t prop;
+
+ // TODO:
+ // Get system fonts, no idea how.
+ // Scrolling. Can't think of a way to do it with the render
+ // targets currently being broken. (0.4.2)
+ // Better/pixel shader outline/drop shadow
+ // Some way to pull text files from network, I dunno
+
+ obs_properties_add_path(props,
+ "font_file", obs_module_text("FontFile"),
+ OBS_PATH_FILE, "All font formats (*.ttf *.otf);;", NULL);
+
+ obs_properties_add_text(props, "text",
+ obs_module_text("Text"), OBS_TEXT_MULTILINE);
+
+ obs_properties_add_bool(props, "from_file",
+ obs_module_text("ReadFromFile"));
+
+ obs_properties_add_bool(props, "log_mode",
+ obs_module_text("ChatLogMode"));
+
+ obs_properties_add_path(props,
+ "text_file", obs_module_text("TextFile"),
+ OBS_PATH_FILE, "All font formats (*.txt);;", NULL);
+
+ obs_properties_add_int(props, "font_size",
+ obs_module_text("FontSize"), 0, 72, 1);
+
+ obs_properties_add_color(props, "color1",
+ obs_module_text("Color1"));
+
+ obs_properties_add_color(props, "color2",
+ obs_module_text("Color2"));
+
+ obs_properties_add_bool(props, "outline",
+ obs_module_text("Outline"));
+
+ obs_properties_add_bool(props, "drop_shadow",
+ obs_module_text("DropShadow"));
+
+ obs_properties_add_int(props, "custom_width",
+ obs_module_text("CustomWidth"), 0, 4096, 1);
+
+ obs_properties_add_bool(props, "word_wrap",
+ obs_module_text("WordWrap"));
+
+ return props;
+}
+
+static void ft2_source_destroy(void *data)
+{
+ struct ft2_source *srcdata = data;
+
+ if (srcdata->font_face != NULL) {
+ FT_Done_Face(srcdata->font_face);
+ srcdata->font_face = NULL;
+ }
+
+ for (uint32_t i = 0; i < num_cache_slots; i++) {
+ if (srcdata->cacheglyphs[i] != NULL) {
+ bfree(srcdata->cacheglyphs[i]);
+ srcdata->cacheglyphs[i] = NULL;
+ }
+ }
+
+ if (srcdata->font_name != NULL)
+ bfree(srcdata->font_name);
+ if (srcdata->text != NULL)
+ bfree(srcdata->text);
+ if (srcdata->texbuf != NULL)
+ bfree(srcdata->texbuf);
+ if (srcdata->colorbuf != NULL)
+ bfree(srcdata->colorbuf);
+ if (srcdata->text_file != NULL)
+ bfree(srcdata->text_file);
+
+ obs_enter_graphics();
+
+ if (srcdata->tex != NULL) {
+ gs_texture_destroy(srcdata->tex);
+ srcdata->tex = NULL;
+ }
+ if (srcdata->vbuf != NULL) {
+ gs_vertexbuffer_destroy(srcdata->vbuf);
+ srcdata->vbuf = NULL;
+ }
+ if (srcdata->draw_effect != NULL) {
+ gs_effect_destroy(srcdata->draw_effect);
+ srcdata->draw_effect = NULL;
+ }
+
+ obs_leave_graphics();
+
+ bfree(srcdata);
+}
+
+static void ft2_source_render(void *data, gs_effect_t effect)
+{
+ struct ft2_source *srcdata = data;
+ if (srcdata == NULL) return;
+
+ if (srcdata->tex == NULL || srcdata->vbuf == NULL) return;
+
+ gs_reset_blend_state();
+ if (srcdata->outline_text) draw_outlines(srcdata);
+ if (srcdata->drop_shadow) draw_drop_shadow(srcdata);
+
+ draw_uv_vbuffer(srcdata->vbuf, srcdata->tex,
+ srcdata->draw_effect, (uint32_t)wcslen(srcdata->text) * 6);
+
+ UNUSED_PARAMETER(effect);
+}
+
+static void ft2_video_tick(void *data, float seconds)
+{
+ struct ft2_source *srcdata = data;
+ if (srcdata == NULL) return;
+ if (srcdata->text_file == NULL) return;
+
+ if (os_gettime_ns() - srcdata->last_checked >= 1000000000) {
+ srcdata->last_checked = os_gettime_ns();
+ if (srcdata->m_timestamp !=
+ get_modified_timestamp(srcdata->text_file)) {
+ if (srcdata->log_mode)
+ read_from_end(srcdata, srcdata->text_file);
+ else
+ load_text_from_file(srcdata,
+ srcdata->text_file);
+ set_up_vertex_buffer(srcdata);
+ }
+ }
+
+ UNUSED_PARAMETER(seconds);
+}
+
+static void ft2_source_update(void *data, obs_data_t settings)
+{
+ struct ft2_source *srcdata = data;
+ const char *tmp = obs_data_get_string(settings, "font_file");
+ bool vbuf_needs_update = false;
+ bool word_wrap = false;
+ uint32_t color[2];
+ uint32_t custom_width = 0;
+
+ srcdata->drop_shadow = obs_data_get_bool(settings, "drop_shadow");
+ srcdata->outline_text = obs_data_get_bool(settings, "outline");
+ word_wrap = obs_data_get_bool(settings, "word_wrap");
+
+ color[0] = (uint32_t)obs_data_get_int(settings, "color1");
+ color[1] = (uint32_t)obs_data_get_int(settings, "color2");
+
+ custom_width = (uint32_t)obs_data_get_int(settings, "custom_width");
+ if (custom_width >= 100) {
+ if (custom_width != srcdata->custom_width) {
+ srcdata->custom_width = custom_width;
+ vbuf_needs_update = true;
+ }
+ }
+ else {
+ if (srcdata->custom_width >= 100)
+ vbuf_needs_update = true;
+ srcdata->custom_width = 0;
+ }
+
+ if (word_wrap != srcdata->word_wrap) {
+ srcdata->word_wrap = word_wrap;
+ vbuf_needs_update = true;
+ }
+
+ if (color[0] != srcdata->color[0] || color[1] != srcdata->color[1]) {
+ srcdata->color[0] = color[0];
+ srcdata->color[1] = color[1];
+ vbuf_needs_update = true;
+ }
+
+ bool from_file = obs_data_get_bool(settings, "from_file");
+ bool chat_log_mode = obs_data_get_bool(settings, "log_mode");
+
+ srcdata->log_mode = chat_log_mode;
+
+ if (ft2_lib == NULL) return;
+
+ if (!from_file) {
+ if (srcdata->text_file != NULL) {
+ bfree(srcdata->text_file);
+ srcdata->text_file = NULL;
+ }
+ }
+
+ if (srcdata->draw_effect == NULL) {
+ char *effect_file = NULL;
+ char *error_string = NULL;
+
+ effect_file =
+ obs_module_file("text_default.effect");
+
+ if (effect_file) {
+ obs_enter_graphics();
+ srcdata->draw_effect = gs_effect_create_from_file(
+ effect_file, &error_string);
+ obs_leave_graphics();
+
+ bfree(effect_file);
+ if (error_string != NULL)
+ bfree(error_string);
+ }
+ }
+
+ if (srcdata->font_size != obs_data_get_int(settings, "font_size"))
+ vbuf_needs_update = true;
+
+ if (srcdata->font_name != NULL) {
+ if (strcmp(tmp, srcdata->font_name) == 0 &&
+ srcdata->font_size ==
+ obs_data_get_int(settings, "font_size"))
+ goto skip_font_load;
+ bfree(srcdata->font_name);
+ srcdata->font_name = NULL;
+ srcdata->max_h = 0;
+ }
+
+ srcdata->font_name = bzalloc(strlen(tmp) + 1);
+ strcpy(srcdata->font_name, tmp);
+
+ if (srcdata->font_face != NULL) {
+ FT_Done_Face(srcdata->font_face);
+ srcdata->font_face = NULL;
+ }
+
+ FT_New_Face(ft2_lib, srcdata->font_name, 0,
+ &srcdata->font_face);
+
+ if (srcdata->font_face == NULL) {
+ blog(LOG_WARNING, "FT2-text: Failed to load font %s",
+ srcdata->font_name);
+ return;
+ }
+ else {
+ srcdata->font_size = (uint16_t)obs_data_get_int(settings,
+ "font_size");
+ FT_Set_Pixel_Sizes(srcdata->font_face, 0, srcdata->font_size);
+ FT_Select_Charmap(srcdata->font_face, FT_ENCODING_UNICODE);
+ }
+
+ if (srcdata->texbuf != NULL) {
+ bfree(srcdata->texbuf);
+ srcdata->texbuf = NULL;
+ }
+ srcdata->texbuf = bzalloc(texbuf_w * texbuf_h * 4);
+
+ cache_standard_glyphs(srcdata);
+skip_font_load:;
+ if (from_file) {
+ tmp = obs_data_get_string(settings, "text_file");
+ if (strlen(tmp) == 0)
+ return;
+ if (srcdata->text_file != NULL) {
+ if (strcmp(srcdata->text_file, tmp) == 0
+ && !vbuf_needs_update)
+ return;
+ bfree(srcdata->text_file);
+ srcdata->text_file = NULL;
+ }
+ else
+ blog(LOG_WARNING,
+ "FT2-text: Failed to open %s for reading", tmp);
+ srcdata->text_file = bzalloc(strlen(tmp) + 1);
+ strcpy(srcdata->text_file, tmp);
+
+ if (chat_log_mode)
+ read_from_end(srcdata, tmp);
+ else
+ load_text_from_file(srcdata, tmp);
+ srcdata->last_checked = os_gettime_ns();
+ }
+ else {
+ tmp = obs_data_get_string(settings, "text");
+ if (strlen(tmp) == 0) return;
+
+ if (srcdata->text != NULL) {
+ bfree(srcdata->text);
+ srcdata->text = NULL;
+ }
+ srcdata->text = bzalloc((strlen(tmp) + 1)*sizeof(wchar_t));
+ os_utf8_to_wcs(tmp, strlen(tmp), srcdata->text,
+ (strlen(tmp) + 1));
+ }
+
+ cache_glyphs(srcdata, srcdata->text);
+
+ set_up_vertex_buffer(srcdata);
+}
+
+static void *ft2_source_create(obs_data_t settings, obs_source_t source)
+{
+ struct ft2_source *srcdata = bzalloc(sizeof(struct ft2_source));
+ srcdata->src = source;
+
+ srcdata->font_size = 32;
+
+ obs_data_set_default_int(settings, "font_size", 32);
+ obs_data_set_default_int(settings, "color1", 0xFFFFFFFF);
+ obs_data_set_default_int(settings, "color2", 0xFFFFFFFF);
+ obs_data_set_default_string(settings, "text",
+ "The lazy snake jumps over the happy MASKEN.");
+
+ ft2_source_update(srcdata, settings);
+
+ return srcdata;
+}
diff --git a/plugins/text-freetype2/text-freetype2.h b/plugins/text-freetype2/text-freetype2.h
new file mode 100644
index 0000000000000000000000000000000000000000..e7ce846eaa94524092a78c6d3ec9b14d01b6d9ca
--- /dev/null
+++ b/plugins/text-freetype2/text-freetype2.h
@@ -0,0 +1,90 @@
+/******************************************************************************
+Copyright (C) 2014 by Nibbles
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see .
+******************************************************************************/
+
+#include
+#include
+
+#define num_cache_slots 65535
+#define src_glyph srcdata->cacheglyphs[glyph_index]
+
+struct glyph_info {
+ float u, v, u2, v2;
+ int32_t w, h, xoff, yoff;
+ int32_t xadv;
+};
+
+struct ft2_source {
+ uint8_t font_type;
+ char *font_name;
+ char *text_file;
+ wchar_t *text;
+ uint16_t font_size;
+ time_t m_timestamp;
+ uint64_t last_checked;
+
+ uint32_t cx, cy, max_h, custom_width;
+ uint32_t texbuf_x, texbuf_y;
+ uint32_t color[2];
+ uint32_t *colorbuf;
+
+ int32_t cur_scroll, scroll_speed;
+
+ gs_texture_t tex;
+
+ struct glyph_info *cacheglyphs[num_cache_slots];
+
+ FT_Face font_face;
+
+ uint32_t *texbuf;
+ gs_vertbuffer_t vbuf;
+
+ gs_effect_t draw_effect;
+ bool outline_text, drop_shadow;
+ bool log_mode, word_wrap;
+
+ obs_source_t src;
+};
+
+extern FT_Library ft2_lib;
+
+static void *ft2_source_create(obs_data_t settings, obs_source_t source);
+static void ft2_source_destroy(void *data);
+static void ft2_source_update(void *data, obs_data_t settings);
+static void ft2_source_render(void *data, gs_effect_t effect);
+static void ft2_video_tick(void *data, float seconds);
+
+void draw_outlines(struct ft2_source *srcdata);
+void draw_drop_shadow(struct ft2_source *srcdata);
+
+static uint32_t ft2_source_get_width(void *data);
+static uint32_t ft2_source_get_height(void *data);
+
+static obs_properties_t ft2_source_properties(void);
+
+static const char *ft2_source_get_name(void);
+
+uint32_t get_ft2_text_width(wchar_t *text, struct ft2_source *srcdata);
+
+time_t get_modified_timestamp(char *filename);
+void load_text_from_file(struct ft2_source *srcdata, const char *filename);
+void read_from_end(struct ft2_source *srcdata, const char *filename);
+
+void cache_standard_glyphs(struct ft2_source *srcdata);
+void cache_glyphs(struct ft2_source *srcdata, wchar_t *cache_glyphs);
+
+void set_up_vertex_buffer(struct ft2_source *srcdata);
+void fill_vertex_buffer(struct ft2_source *srcdata);
diff --git a/plugins/text-freetype2/text-functionality.c b/plugins/text-freetype2/text-functionality.c
new file mode 100644
index 0000000000000000000000000000000000000000..852ae500466d0bb1988fa28277a3a9350a25cd14
--- /dev/null
+++ b/plugins/text-freetype2/text-functionality.c
@@ -0,0 +1,457 @@
+/******************************************************************************
+Copyright (C) 2014 by Nibbles
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see .
+******************************************************************************/
+
+#include
+#include
+#include
+#include FT_FREETYPE_H
+#include
+#include "text-freetype2.h"
+#include "obs-convenience.h"
+
+float offsets[16] = { -2.0f, 0.0f, 0.0f, -2.0f, 2.0f, 0.0f, 2.0f, 0.0f,
+ 0.0f, 2.0f, 0.0f, 2.0f, -2.0f, 0.0f, -2.0f, 0.0f };
+
+extern uint32_t texbuf_w, texbuf_h;
+
+void draw_outlines(struct ft2_source *srcdata)
+{
+ // Horrible (hopefully temporary) solution for outlines.
+ uint32_t *tmp;
+
+ struct gs_vb_data *vdata = gs_vertexbuffer_get_data(srcdata->vbuf);
+ tmp = vdata->colors;
+ vdata->colors = srcdata->colorbuf;
+
+ gs_matrix_push();
+ for (int32_t i = 0; i < 8; i++) {
+ gs_matrix_translate3f(offsets[i * 2], offsets[(i * 2) + 1],
+ 0.0f);
+ draw_uv_vbuffer(srcdata->vbuf, srcdata->tex,
+ srcdata->draw_effect,
+ (uint32_t)wcslen(srcdata->text) * 6);
+ }
+ gs_matrix_identity();
+ gs_matrix_pop();
+
+ vdata->colors = tmp;
+}
+
+void draw_drop_shadow(struct ft2_source *srcdata)
+{
+ // Horrible (hopefully temporary) solution for drop shadow.
+ uint32_t *tmp;
+
+ struct gs_vb_data *vdata = gs_vertexbuffer_get_data(srcdata->vbuf);
+ tmp = vdata->colors;
+ vdata->colors = srcdata->colorbuf;
+
+ gs_matrix_push();
+ gs_matrix_translate3f(4.0f, 4.0f, 0.0f);
+ draw_uv_vbuffer(srcdata->vbuf, srcdata->tex,
+ srcdata->draw_effect, (uint32_t)wcslen(srcdata->text) * 6);
+ gs_matrix_identity();
+ gs_matrix_pop();
+
+ vdata->colors = tmp;
+}
+
+void set_up_vertex_buffer(struct ft2_source *srcdata)
+{
+ FT_UInt glyph_index = 0;
+ uint32_t x = 0, space_pos = 0, word_width = 0;
+
+ if (srcdata->custom_width >= 100)
+ srcdata->cx = srcdata->custom_width;
+ else
+ srcdata->cx = get_ft2_text_width(srcdata->text, srcdata);
+ srcdata->cy = srcdata->max_h;
+
+ obs_enter_graphics();
+ if (srcdata->vbuf != NULL) {
+ gs_vertbuffer_t tmpvbuf = srcdata->vbuf;
+ srcdata->vbuf = NULL;
+ gs_vertexbuffer_destroy(tmpvbuf);
+ }
+ srcdata->vbuf = create_uv_vbuffer((uint32_t)wcslen(srcdata->text) * 6,
+ true);
+
+ if (srcdata->custom_width <= 100) goto skip_word_wrap;
+ if (!srcdata->word_wrap) goto skip_word_wrap;
+
+ for (uint32_t i = 0; i <= wcslen(srcdata->text); i++) {
+ if (i == wcslen(srcdata->text)) goto eos_check;
+
+ if (srcdata->text[i] != L' ' && srcdata->text[i] != L'\n')
+ goto next_char;
+
+ eos_check:;
+ if (x + word_width > srcdata->custom_width) {
+ if (space_pos != 0)
+ srcdata->text[space_pos] = L'\n';
+ x = 0;
+ }
+ if (i == wcslen(srcdata->text)) goto eos_skip;
+
+ x += word_width;
+ word_width = 0;
+ if (srcdata->text[i] == L'\n')
+ x = 0;
+ if (srcdata->text[i] == L' ')
+ space_pos = i;
+ next_char:;
+ glyph_index = FT_Get_Char_Index(srcdata->font_face,
+ srcdata->text[i]);
+ word_width += src_glyph->xadv;
+ eos_skip:;
+ }
+
+skip_word_wrap:;
+ fill_vertex_buffer(srcdata);
+ obs_leave_graphics();
+}
+
+void fill_vertex_buffer(struct ft2_source *srcdata)
+{
+ struct gs_vb_data *vdata = gs_vertexbuffer_get_data(srcdata->vbuf);
+ if (vdata == NULL) return;
+ struct vec2 *tvarray = (struct vec2 *)vdata->tvarray[0].array;
+ uint32_t *col = (uint32_t *)vdata->colors;
+
+ FT_UInt glyph_index = 0;
+
+ uint32_t dx = 0, dy = srcdata->max_h, max_y = dy;
+ uint32_t cur_glyph = 0;
+
+ if (srcdata->colorbuf != NULL) {
+ bfree(srcdata->colorbuf);
+ srcdata->colorbuf = NULL;
+ }
+ srcdata->colorbuf = bzalloc(sizeof(uint32_t)*wcslen(srcdata->text) * 6);
+ for (uint32_t i = 0; i < wcslen(srcdata->text) * 6; i++) {
+ srcdata->colorbuf[i] = 0xFF000000;
+ }
+
+ for (uint32_t i = 0; i < wcslen(srcdata->text); i++) {
+ add_linebreak:;
+ if (srcdata->text[i] != L'\n') goto draw_glyph;
+ dx = 0; i++;
+ dy += srcdata->max_h + 4;
+ if (i == wcslen(srcdata->text)) goto skip_glyph;
+ if (srcdata->text[i] == L'\n') goto add_linebreak;
+ draw_glyph:;
+ // Skip filthy dual byte Windows line breaks
+ if (srcdata->text[i] == L'\r') goto skip_glyph;
+
+ glyph_index = FT_Get_Char_Index(srcdata->font_face,
+ srcdata->text[i]);
+ if (src_glyph == NULL)
+ goto skip_glyph;
+
+ if (srcdata->custom_width < 100) goto skip_custom_width;
+
+ if (dx + src_glyph->xadv > srcdata->custom_width) {
+ dx = 0;
+ dy += srcdata->max_h + 4;
+ }
+
+ skip_custom_width:;
+
+ set_v3_rect(vdata->points + (cur_glyph * 6),
+ (float)dx + (float)src_glyph->xoff,
+ (float)dy - (float)src_glyph->yoff,
+ (float)src_glyph->w,
+ (float)src_glyph->h);
+ set_v2_uv(tvarray + (cur_glyph * 6),
+ src_glyph->u,
+ src_glyph->v,
+ src_glyph->u2,
+ src_glyph->v2);
+ set_rect_colors2(col + (cur_glyph * 6),
+ srcdata->color[0],
+ srcdata->color[1]);
+ dx += src_glyph->xadv;
+ if (dy - (float)src_glyph->yoff + src_glyph->h > max_y)
+ max_y = dy - src_glyph->yoff + src_glyph->h;
+ cur_glyph++;
+ skip_glyph:;
+ }
+
+ srcdata->cy = max_y;
+}
+
+void cache_standard_glyphs(struct ft2_source *srcdata)
+{
+ for (uint32_t i = 0; i < num_cache_slots; i++) {
+ if (srcdata->cacheglyphs[i] != NULL) {
+ bfree(srcdata->cacheglyphs[i]);
+ srcdata->cacheglyphs[i] = NULL;
+ }
+ }
+
+ srcdata->texbuf_x = 0;
+ srcdata->texbuf_y = 0;
+
+ cache_glyphs(srcdata, L"abcdefghijklmnopqrstuvwxyz" \
+ L"ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890" \
+ L"!@#$%^&*()-_=+,<.>/?\\|[]{}`~ \'\"\0");
+}
+
+#define glyph_pos x + (y*slot->bitmap.pitch)
+#define buf_pos (dx + x) + ((dy + y) * texbuf_w)
+
+void cache_glyphs(struct ft2_source *srcdata, wchar_t *cache_glyphs)
+{
+ FT_GlyphSlot slot = srcdata->font_face->glyph;
+ FT_UInt glyph_index = 0;
+
+ uint32_t dx = srcdata->texbuf_x, dy = srcdata->texbuf_y;
+ uint8_t alpha;
+
+ int32_t g_pitch = 0;
+ int32_t cached_glyphs = 0;
+
+ for (uint32_t i = 0; i < wcslen(cache_glyphs); i++) {
+ glyph_index = FT_Get_Char_Index(srcdata->font_face,
+ cache_glyphs[i]);
+
+ if (src_glyph != NULL)
+ goto skip_glyph;
+
+ FT_Load_Glyph(srcdata->font_face, glyph_index, FT_LOAD_DEFAULT);
+ FT_Render_Glyph(slot, FT_RENDER_MODE_NORMAL);
+
+ uint32_t g_w = slot->bitmap.width;
+ uint32_t g_h = slot->bitmap.rows;
+ g_pitch = slot->bitmap.pitch;
+
+ if (srcdata->max_h < g_h) srcdata->max_h = g_h;
+
+ if (dx + g_w >= texbuf_w) {
+ dx = 0;
+ dy += srcdata->max_h + 1;
+ }
+
+ src_glyph = bzalloc(sizeof(struct glyph_info));
+ src_glyph->u = (float)dx / (float)texbuf_w;
+ src_glyph->u2 = (float)(dx + g_w) / (float)texbuf_w;
+ src_glyph->v = (float)dy / (float)texbuf_h;
+ src_glyph->v2 = (float)(dy + g_h) / (float)texbuf_h;
+ src_glyph->w = g_w;
+ src_glyph->h = g_h;
+ src_glyph->yoff = slot->bitmap_top;
+ src_glyph->xoff = slot->bitmap_left;
+ src_glyph->xadv = slot->advance.x >> 6;
+
+ for (uint32_t y = 0; y < g_h; y++) {
+ for (uint32_t x = 0; x < g_w; x++) {
+ alpha = slot->bitmap.buffer[glyph_pos];
+ srcdata->texbuf[buf_pos] =
+ 0x00FFFFFF ^ (alpha << 24);
+ }
+ }
+
+ dx += (g_w + 1);
+ if (dx >= texbuf_w) {
+ dx = 0;
+ dy += srcdata->max_h;
+ }
+
+ cached_glyphs++;
+ skip_glyph:;
+ }
+
+ srcdata->texbuf_x = dx;
+ srcdata->texbuf_y = dy;
+
+ if (cached_glyphs > 0) {
+
+ obs_enter_graphics();
+
+ if (srcdata->tex != NULL) {
+ gs_texture_t tmp_texture = NULL;
+ tmp_texture = srcdata->tex;
+ srcdata->tex = NULL;
+ gs_texture_destroy(tmp_texture);
+ }
+
+ srcdata->tex = gs_texture_create(texbuf_w, texbuf_h,
+ GS_RGBA, 1, (const uint8_t **)&srcdata->texbuf, 0);
+
+ obs_leave_graphics();
+ }
+}
+
+time_t get_modified_timestamp(char *filename)
+{
+ struct stat stats;
+
+ // stat is apparently terrifying and horrible, but we only call it once
+ // every second at most.
+ stat(filename, &stats);
+
+ return stats.st_mtime;
+}
+
+void load_text_from_file(struct ft2_source *srcdata, const char *filename)
+{
+ FILE *tmp_file = NULL;
+ uint32_t filesize = 0;
+ char *tmp_read = NULL;
+ uint16_t header = 0;
+
+ tmp_file = fopen(filename, "rb");
+ if (tmp_file == NULL) {
+ blog(LOG_WARNING, "Failed to open file %s", filename);
+ return;
+ }
+ fseek(tmp_file, 0, SEEK_END);
+ filesize = (uint32_t)ftell(tmp_file);
+ fseek(tmp_file, 0, SEEK_SET);
+ fread(&header, 2, 1, tmp_file);
+
+ if (header == 0xFEFF) {
+ // File is already in UTF-16 format
+ if (srcdata->text != NULL) {
+ bfree(srcdata->text);
+ srcdata->text = NULL;
+ }
+ srcdata->text = bzalloc(filesize);
+ fread(srcdata->text, filesize - 2, 1, tmp_file);
+
+ srcdata->m_timestamp =
+ get_modified_timestamp(srcdata->text_file);
+ bfree(tmp_read);
+ fclose(tmp_file);
+
+ return;
+ }
+
+ fseek(tmp_file, 0, SEEK_SET);
+ srcdata->m_timestamp = get_modified_timestamp(srcdata->text_file);
+
+ tmp_read = bzalloc(filesize + 1);
+ fread(tmp_read, filesize, 1, tmp_file);
+ fclose(tmp_file);
+
+ if (srcdata->text != NULL) {
+ bfree(srcdata->text);
+ srcdata->text = NULL;
+ }
+ srcdata->text = bzalloc((strlen(tmp_read) + 1)*sizeof(wchar_t));
+ os_utf8_to_wcs(tmp_read, strlen(tmp_read),
+ srcdata->text, (strlen(tmp_read) + 1));
+ bfree(tmp_read);
+}
+
+void read_from_end(struct ft2_source *srcdata, const char *filename)
+{
+ FILE *tmp_file = NULL;
+ uint32_t filesize = 0, cur_pos = 0;
+ char *tmp_read = NULL;
+ uint16_t value = 0, line_breaks = 0;
+ char bvalue;
+
+ bool utf16 = false;
+
+ tmp_file = fopen(filename, "rb");
+ if (tmp_file == NULL) {
+ blog(LOG_WARNING, "Failed to open file %s", filename);
+ return;
+ }
+ fread(&value, 2, 1, tmp_file);
+
+ if (value == 0xFEFF)
+ utf16 = true;
+
+ fseek(tmp_file, 0, SEEK_END);
+ filesize = (uint32_t)ftell(tmp_file);
+ cur_pos = filesize;
+
+ while (line_breaks <= 6 && cur_pos != 0) {
+ if (!utf16) cur_pos--;
+ else cur_pos -= 2;
+ fseek(tmp_file, cur_pos, SEEK_SET);
+
+ if (!utf16) {
+ fread(&bvalue, 1, 1, tmp_file);
+ if (bvalue == '\n')
+ line_breaks++;
+ }
+ else {
+ fread(&value, 2, 1, tmp_file);
+ if (value == L'\n')
+ line_breaks++;
+ }
+ }
+
+ if (cur_pos != 0)
+ cur_pos += (utf16) ? 2 : 1;
+
+ fseek(tmp_file, cur_pos, SEEK_SET);
+
+ if (utf16) {
+ if (srcdata->text != NULL) {
+ bfree(srcdata->text);
+ srcdata->text = NULL;
+ }
+ srcdata->text = bzalloc(filesize - cur_pos);
+ fread(srcdata->text, (filesize - cur_pos), 1, tmp_file);
+
+ srcdata->m_timestamp =
+ get_modified_timestamp(srcdata->text_file);
+ bfree(tmp_read);
+ fclose(tmp_file);
+
+ return;
+ }
+
+ tmp_read = bzalloc((filesize - cur_pos) + 1);
+ fread(tmp_read, filesize - cur_pos, 1, tmp_file);
+ fclose(tmp_file);
+
+ if (srcdata->text != NULL) {
+ bfree(srcdata->text);
+ srcdata->text = NULL;
+ }
+ srcdata->text = bzalloc((strlen(tmp_read) + 1)*sizeof(wchar_t));
+ os_utf8_to_wcs(tmp_read, strlen(tmp_read),
+ srcdata->text, (strlen(tmp_read) + 1));
+
+ srcdata->m_timestamp = get_modified_timestamp(srcdata->text_file);
+ bfree(tmp_read);
+}
+
+uint32_t get_ft2_text_width(wchar_t *text, struct ft2_source *srcdata)
+{
+ FT_GlyphSlot slot = srcdata->font_face->glyph;
+ FT_UInt glyph_index = 0;
+ uint32_t w = 0, max_w = 0;
+
+ for (uint32_t i = 0; i < (uint32_t)wcslen(text); i++) {
+ glyph_index = FT_Get_Char_Index(srcdata->font_face, text[i]);
+ FT_Load_Glyph(srcdata->font_face, glyph_index, FT_LOAD_DEFAULT);
+
+ if (text[i] == L'\n') w = 0;
+ else {
+ w += slot->advance.x >> 6;
+ if (w > max_w) max_w = w;
+ }
+ }
+
+ return max_w;
+}