Function FTMatrixFromAngle

Source/Graphics/text.cpp:254–260

}

static void FTMatrixFromAngle(FT_Matrix* matrix, float degrees) {
    float angle = degrees / 180.0f * 3.1415927f;
    matrix->xx = (FT_Fixed)(cos(angle) * 0x10000L);
    matrix->xy = (FT_Fixed)(-sin(angle) * 0x10000L);
    matrix->yx = (FT_Fixed)(sin(angle) * 0x10000L);
    matrix->yy = (FT_Fixed)(cos(angle) * 0x10000L);
}

static void ClearTextMetrics(TextMetrics* metrics) {
    metrics->advance[0] = 0;