-static const char *glyphy_sdf_glsl =
-"/*\n"
-" * Copyright 2012 Google, Inc. All Rights Reserved.\n"
-" *\n"
-" * Licensed under the Apache License, Version 2.0 (the \"License\");\n"
-" * you may not use this file except in compliance with the License.\n"
-" * You may obtain a copy of the License at\n"
-" *\n"
-" * http://www.apache.org/licenses/LICENSE-2.0\n"
-" *\n"
-" * Unless required by applicable law or agreed to in writing, software\n"
-" * distributed under the License is distributed on an \"AS IS\" BASIS,\n"
-" * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n"
-" * See the License for the specific language governing permissions and\n"
-" * limitations under the License.\n"
-" *\n"
-" * Google Author(s): Behdad Esfahbod, Maysum Panju\n"
-" */\n"
-"\n"
-"#ifndef GLYPHY_TEXTURE1D_FUNC\n"
-"#define GLYPHY_TEXTURE1D_FUNC glyphy_texture1D_func\n"
-"#endif\n"
-"#ifndef GLYPHY_TEXTURE1D_EXTRA_DECLS\n"
-"#define GLYPHY_TEXTURE1D_EXTRA_DECLS\n"
-"#endif\n"
-"#ifndef GLYPHY_TEXTURE1D_EXTRA_ARGS\n"
-"#define GLYPHY_TEXTURE1D_EXTRA_ARGS\n"
-"#endif\n"
-"\n"
-"#ifndef GLYPHY_SDF_TEXTURE1D_FUNC\n"
-"#define GLYPHY_SDF_TEXTURE1D_FUNC GLYPHY_TEXTURE1D_FUNC\n"
-"#endif\n"
-"#ifndef GLYPHY_SDF_TEXTURE1D_EXTRA_DECLS\n"
-"#define GLYPHY_SDF_TEXTURE1D_EXTRA_DECLS GLYPHY_TEXTURE1D_EXTRA_DECLS\n"
-"#endif\n"
-"#ifndef GLYPHY_SDF_TEXTURE1D_EXTRA_ARGS\n"
-"#define GLYPHY_SDF_TEXTURE1D_EXTRA_ARGS GLYPHY_TEXTURE1D_EXTRA_ARGS\n"
-"#endif\n"
-"#ifndef GLYPHY_SDF_TEXTURE1D\n"
-"#define GLYPHY_SDF_TEXTURE1D(offset) GLYPHY_RGBA(GLYPHY_SDF_TEXTURE1D_FUNC (offset GLYPHY_TEXTURE1D_EXTRA_ARGS))\n"
-"#endif\n"
-"\n"
-"#ifndef GLYPHY_MAX_NUM_ENDPOINTS\n"
-"#define GLYPHY_MAX_NUM_ENDPOINTS 32\n"
-"#endif\n"
-"\n"
-"glyphy_arc_list_t\n"
-"glyphy_arc_list (const vec2 p, const ivec2 nominal_size GLYPHY_SDF_TEXTURE1D_EXTRA_DECLS)\n"
-"{\n"
-" int cell_offset = glyphy_arc_list_offset (p, nominal_size);\n"
-" vec4 arc_list_data = GLYPHY_SDF_TEXTURE1D (cell_offset);\n"
-" return glyphy_arc_list_decode (arc_list_data, nominal_size);\n"
-"}\n"
-"\n"
-"float\n"
-"glyphy_sdf (const vec2 p, const ivec2 nominal_size GLYPHY_SDF_TEXTURE1D_EXTRA_DECLS)\n"
-"{\n"
-" glyphy_arc_list_t arc_list = glyphy_arc_list (p, nominal_size GLYPHY_SDF_TEXTURE1D_EXTRA_ARGS);\n"
-"\n"
-" /* Short-circuits */\n"
-" if (arc_list.num_endpoints == 0) {\n"
-" /* far-away cell */\n"
-" return GLYPHY_INFINITY * float(arc_list.side);\n"
-" } if (arc_list.num_endpoints == -1) {\n"
-" /* single-line */\n"
-" float angle = arc_list.line_angle;\n"
-" vec2 n = vec2 (cos (angle), sin (angle));\n"
-" return dot (p - (vec2(nominal_size) * .5), n) - arc_list.line_distance;\n"
-" }\n"
-"\n"
-" float side = float(arc_list.side);\n"
-" float min_dist = GLYPHY_INFINITY;\n"
-" glyphy_arc_t closest_arc;\n"
-"\n"
-" glyphy_arc_endpoint_t endpoint_prev, endpoint;\n"
-" endpoint_prev = glyphy_arc_endpoint_decode (GLYPHY_SDF_TEXTURE1D (arc_list.offset), nominal_size);\n"
-" for (int i = 1; i < GLYPHY_MAX_NUM_ENDPOINTS; i++)\n"
-" {\n"
-" if (i >= arc_list.num_endpoints) {\n"
-" break;\n"
-" }\n"
-" endpoint = glyphy_arc_endpoint_decode (GLYPHY_SDF_TEXTURE1D (arc_list.offset + i), nominal_size);\n"
-" glyphy_arc_t a = glyphy_arc_t (endpoint_prev.p, endpoint.p, endpoint.d);\n"
-" endpoint_prev = endpoint;\n"
-" if (glyphy_isinf (a.d)) continue;\n"
-"\n"
-" if (glyphy_arc_wedge_contains (a, p))\n"
-" {\n"
-" float sdist = glyphy_arc_wedge_signed_dist (a, p);\n"
-" float udist = abs (sdist) * (1. - GLYPHY_EPSILON);\n"
-" if (udist <= min_dist) {\n"
-" min_dist = udist;\n"
-" side = sign (sdist);"
-" }\n"
-" } else {\n"
-" float udist = min (distance (p, a.p0), distance (p, a.p1));\n"
-" if (udist < min_dist) {\n"
-" min_dist = udist;\n"
-" side = 0.; /* unsure */\n"
-" closest_arc = a;\n"
-" } else if (side == 0. && udist == min_dist) {\n"
-" /* If this new distance is the same as the current minimum,\n"
-" * compare extended distances. Take the sign from the arc\n"
-" * with larger extended distance. */\n"
-" float old_ext_dist = glyphy_arc_extended_dist (closest_arc, p);\n"
-" float new_ext_dist = glyphy_arc_extended_dist (a, p);\n"
-"\n"
-" float ext_dist = abs (new_ext_dist) <= abs (old_ext_dist) ?\n"
-" old_ext_dist : new_ext_dist;\n"
-"\n"
-"#ifdef GLYPHY_SDF_PSEUDO_DISTANCE\n"
-" /* For emboldening and stuff: */\n"
-" min_dist = abs (ext_dist);\n"
-"#endif\n"
-" side = sign (ext_dist);\n"
-" }\n"
-" }\n"
-" }\n"
-"\n"
-" if (side == 0.) {\n"
-" // Technically speaking this should not happen, but it does. So try to fix it.\n"
-" float ext_dist = glyphy_arc_extended_dist (closest_arc, p);\n"
-" side = sign (ext_dist);\n"
-" }\n"
-"\n"
-" return min_dist * side;\n"
-"}\n"
-"\n"
-"float\n"
-"glyphy_point_dist (const vec2 p, const ivec2 nominal_size GLYPHY_SDF_TEXTURE1D_EXTRA_DECLS)\n"
-"{\n"
-" glyphy_arc_list_t arc_list = glyphy_arc_list (p, nominal_size GLYPHY_SDF_TEXTURE1D_EXTRA_ARGS);\n"
-"\n"
-" float side = float(arc_list.side);\n"
-" float min_dist = GLYPHY_INFINITY;\n"
-"\n"
-" if (arc_list.num_endpoints == 0)\n"
-" return min_dist;\n"
-"\n"
-" glyphy_arc_endpoint_t endpoint;\n"
-" for (int i = 0; i < GLYPHY_MAX_NUM_ENDPOINTS; i++)\n"
-" {\n"
-" if (i >= arc_list.num_endpoints) {\n"
-" break;\n"
-" }\n"
-" endpoint = glyphy_arc_endpoint_decode (GLYPHY_SDF_TEXTURE1D (arc_list.offset + i), nominal_size);\n"
-" if (glyphy_isinf (endpoint.d)) continue;\n"
-" min_dist = min (min_dist, distance (p, endpoint.p));\n"
-" }\n"
-" return min_dist;\n"
-"}\n"
-;
+static const char* glyphy_sdf_glsl =
+ "/*\n"
+ " * Copyright 2012 Google, Inc. All Rights Reserved.\n"
+ " *\n"
+ " * Licensed under the Apache License, Version 2.0 (the \"License\");\n"
+ " * you may not use this file except in compliance with the License.\n"
+ " * You may obtain a copy of the License at\n"
+ " *\n"
+ " * http://www.apache.org/licenses/LICENSE-2.0\n"
+ " *\n"
+ " * Unless required by applicable law or agreed to in writing, software\n"
+ " * distributed under the License is distributed on an \"AS IS\" BASIS,\n"
+ " * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n"
+ " * See the License for the specific language governing permissions and\n"
+ " * limitations under the License.\n"
+ " *\n"
+ " * Google Author(s): Behdad Esfahbod, Maysum Panju\n"
+ " */\n"
+ "\n"
+ "#ifndef GLYPHY_TEXTURE1D_FUNC\n"
+ "#define GLYPHY_TEXTURE1D_FUNC glyphy_texture1D_func\n"
+ "#endif\n"
+ "#ifndef GLYPHY_TEXTURE1D_EXTRA_DECLS\n"
+ "#define GLYPHY_TEXTURE1D_EXTRA_DECLS\n"
+ "#endif\n"
+ "#ifndef GLYPHY_TEXTURE1D_EXTRA_ARGS\n"
+ "#define GLYPHY_TEXTURE1D_EXTRA_ARGS\n"
+ "#endif\n"
+ "\n"
+ "#ifndef GLYPHY_SDF_TEXTURE1D_FUNC\n"
+ "#define GLYPHY_SDF_TEXTURE1D_FUNC GLYPHY_TEXTURE1D_FUNC\n"
+ "#endif\n"
+ "#ifndef GLYPHY_SDF_TEXTURE1D_EXTRA_DECLS\n"
+ "#define GLYPHY_SDF_TEXTURE1D_EXTRA_DECLS GLYPHY_TEXTURE1D_EXTRA_DECLS\n"
+ "#endif\n"
+ "#ifndef GLYPHY_SDF_TEXTURE1D_EXTRA_ARGS\n"
+ "#define GLYPHY_SDF_TEXTURE1D_EXTRA_ARGS GLYPHY_TEXTURE1D_EXTRA_ARGS\n"
+ "#endif\n"
+ "#ifndef GLYPHY_SDF_TEXTURE1D\n"
+ "#define GLYPHY_SDF_TEXTURE1D(offset) GLYPHY_RGBA(GLYPHY_SDF_TEXTURE1D_FUNC (offset GLYPHY_TEXTURE1D_EXTRA_ARGS))\n"
+ "#endif\n"
+ "\n"
+ "#ifndef GLYPHY_MAX_NUM_ENDPOINTS\n"
+ "#define GLYPHY_MAX_NUM_ENDPOINTS 32\n"
+ "#endif\n"
+ "\n"
+ "glyphy_arc_list_t\n"
+ "glyphy_arc_list (const vec2 p, const ivec2 nominal_size GLYPHY_SDF_TEXTURE1D_EXTRA_DECLS)\n"
+ "{\n"
+ " int cell_offset = glyphy_arc_list_offset (p, nominal_size);\n"
+ " vec4 arc_list_data = GLYPHY_SDF_TEXTURE1D (cell_offset);\n"
+ " return glyphy_arc_list_decode (arc_list_data, nominal_size);\n"
+ "}\n"
+ "\n"
+ "float\n"
+ "glyphy_sdf (const vec2 p, const ivec2 nominal_size GLYPHY_SDF_TEXTURE1D_EXTRA_DECLS)\n"
+ "{\n"
+ " glyphy_arc_list_t arc_list = glyphy_arc_list (p, nominal_size GLYPHY_SDF_TEXTURE1D_EXTRA_ARGS);\n"
+ "\n"
+ " /* Short-circuits */\n"
+ " if (arc_list.num_endpoints == 0) {\n"
+ " /* far-away cell */\n"
+ " return GLYPHY_INFINITY * float(arc_list.side);\n"
+ " } if (arc_list.num_endpoints == -1) {\n"
+ " /* single-line */\n"
+ " float angle = arc_list.line_angle;\n"
+ " vec2 n = vec2 (cos (angle), sin (angle));\n"
+ " return dot (p - (vec2(nominal_size) * .5), n) - arc_list.line_distance;\n"
+ " }\n"
+ "\n"
+ " float side = float(arc_list.side);\n"
+ " float min_dist = GLYPHY_INFINITY;\n"
+ " glyphy_arc_t closest_arc;\n"
+ "\n"
+ " glyphy_arc_endpoint_t endpoint_prev, endpoint;\n"
+ " endpoint_prev = glyphy_arc_endpoint_decode (GLYPHY_SDF_TEXTURE1D (arc_list.offset), nominal_size);\n"
+ " for (int i = 1; i < GLYPHY_MAX_NUM_ENDPOINTS; i++)\n"
+ " {\n"
+ " if (i >= arc_list.num_endpoints) {\n"
+ " break;\n"
+ " }\n"
+ " endpoint = glyphy_arc_endpoint_decode (GLYPHY_SDF_TEXTURE1D (arc_list.offset + i), nominal_size);\n"
+ " glyphy_arc_t a = glyphy_arc_t (endpoint_prev.p, endpoint.p, endpoint.d);\n"
+ " endpoint_prev = endpoint;\n"
+ " if (glyphy_isinf (a.d)) continue;\n"
+ "\n"
+ " if (glyphy_arc_wedge_contains (a, p))\n"
+ " {\n"
+ " float sdist = glyphy_arc_wedge_signed_dist (a, p);\n"
+ " float udist = abs (sdist) * (1. - GLYPHY_EPSILON);\n"
+ " if (udist <= min_dist) {\n"
+ " min_dist = udist;\n"
+ " side = sign (sdist);"
+ " }\n"
+ " } else {\n"
+ " float udist = min (distance (p, a.p0), distance (p, a.p1));\n"
+ " if (udist < min_dist) {\n"
+ " min_dist = udist;\n"
+ " side = 0.; /* unsure */\n"
+ " closest_arc = a;\n"
+ " } else if (side == 0. && udist == min_dist) {\n"
+ " /* If this new distance is the same as the current minimum,\n"
+ " * compare extended distances. Take the sign from the arc\n"
+ " * with larger extended distance. */\n"
+ " float old_ext_dist = glyphy_arc_extended_dist (closest_arc, p);\n"
+ " float new_ext_dist = glyphy_arc_extended_dist (a, p);\n"
+ "\n"
+ " float ext_dist = abs (new_ext_dist) <= abs (old_ext_dist) ?\n"
+ " old_ext_dist : new_ext_dist;\n"
+ "\n"
+ "#ifdef GLYPHY_SDF_PSEUDO_DISTANCE\n"
+ " /* For emboldening and stuff: */\n"
+ " min_dist = abs (ext_dist);\n"
+ "#endif\n"
+ " side = sign (ext_dist);\n"
+ " }\n"
+ " }\n"
+ " }\n"
+ "\n"
+ " if (side == 0.) {\n"
+ " // Technically speaking this should not happen, but it does. So try to fix it.\n"
+ " float ext_dist = glyphy_arc_extended_dist (closest_arc, p);\n"
+ " side = sign (ext_dist);\n"
+ " }\n"
+ "\n"
+ " return min_dist * side;\n"
+ "}\n"
+ "\n"
+ "float\n"
+ "glyphy_point_dist (const vec2 p, const ivec2 nominal_size GLYPHY_SDF_TEXTURE1D_EXTRA_DECLS)\n"
+ "{\n"
+ " glyphy_arc_list_t arc_list = glyphy_arc_list (p, nominal_size GLYPHY_SDF_TEXTURE1D_EXTRA_ARGS);\n"
+ "\n"
+ " float side = float(arc_list.side);\n"
+ " float min_dist = GLYPHY_INFINITY;\n"
+ "\n"
+ " if (arc_list.num_endpoints == 0)\n"
+ " return min_dist;\n"
+ "\n"
+ " glyphy_arc_endpoint_t endpoint;\n"
+ " for (int i = 0; i < GLYPHY_MAX_NUM_ENDPOINTS; i++)\n"
+ " {\n"
+ " if (i >= arc_list.num_endpoints) {\n"
+ " break;\n"
+ " }\n"
+ " endpoint = glyphy_arc_endpoint_decode (GLYPHY_SDF_TEXTURE1D (arc_list.offset + i), nominal_size);\n"
+ " if (glyphy_isinf (endpoint.d)) continue;\n"
+ " min_dist = min (min_dist, distance (p, endpoint.p));\n"
+ " }\n"
+ " return min_dist;\n"
+ "}\n";
projects / platform / core / uifw / dali-toolkit.git / blobdiff