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Reduce test to use only STB calls

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This commit is contained in:
Filip Sykala 2022-02-23 13:55:27 +01:00
parent 482e510d7f
commit ca79932d30
1 changed files with 22 additions and 9 deletions
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31
tests/libslic3r/test_emboss.cpp
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@ -94,20 +94,33 @@ Vec3d calc_hit_point(const igl::Hit &h, indexed_triangle_set &its)
}
} // namespace Private
#include "imgui/imstb_truetype.h"
TEST_CASE("Emboss text - Times MacOs", "[Emboss]") {
std::string font_path = "C:/Users/filip/Downloads/Times.ttc";
//std::string font_path = "//System/Library/Fonts/Times.ttc";
char letter = 'C';
float flatness = 2.;
auto font = Emboss::load_font(font_path.c_str());
REQUIRE(font != nullptr);
std::optional<Emboss::Glyph> glyph = Emboss::letter2glyph(*font, letter, flatness);
REQUIRE(glyph.has_value());
ExPolygons shape = glyph->shape;
REQUIRE(!shape.empty());
FILE *file = fopen(font_path.c_str(), "rb");
REQUIRE(file != nullptr);
// find size of file
REQUIRE(fseek(file, 0L, SEEK_END) == 0);
size_t size = ftell(file);
REQUIRE(size != 0);
rewind(file);
std::vector<unsigned char> buffer(size);
size_t count_loaded_bytes = fread((void *) &buffer.front(), 1, size, file);
REQUIRE(count_loaded_bytes == size);
int font_offset = stbtt_GetFontOffsetForIndex(buffer.data(), 0);
REQUIRE(font_offset >= 0);
stbtt_fontinfo font_info;
REQUIRE(stbtt_InitFont(&font_info, buffer.data(), font_offset) != 0);
int unicode_letter = (int) letter;
int glyph_index = stbtt_FindGlyphIndex(&font_info, unicode_letter);
REQUIRE(glyph_index != 0);
stbtt_vertex *vertices;
int num_verts = stbtt_GetGlyphShape(&font_info, glyph_index, &vertices);
CHECK(num_verts > 0);
}
#include <libslic3r/Utils.hpp>